diff --git a/CleanSpec.mk b/CleanSpec.mk
index a087511..82c37cd 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -42,6 +42,7 @@
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/mms-common_intermediates)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/mms-common_intermediates)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/mms-common_intermediates)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/mms-common_intermediates)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
diff --git a/src/java/com/google/android/mms/ContentType.java b/src/java/com/google/android/mms/ContentType.java
deleted file mode 100644
index 51e52be..0000000
--- a/src/java/com/google/android/mms/ContentType.java
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * Copyright (C) 2007-2008 Esmertec AG.
- * Copyright (C) 2007-2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms;
-
-import java.util.ArrayList;
-
-public class ContentType {
-    public static final String MMS_MESSAGE       = "application/vnd.wap.mms-message";
-    // The phony content type for generic PDUs (e.g. ReadOrig.ind,
-    // Notification.ind, Delivery.ind).
-    public static final String MMS_GENERIC       = "application/vnd.wap.mms-generic";
-    public static final String MULTIPART_MIXED   = "application/vnd.wap.multipart.mixed";
-    public static final String MULTIPART_RELATED = "application/vnd.wap.multipart.related";
-    public static final String MULTIPART_ALTERNATIVE = "application/vnd.wap.multipart.alternative";
-
-    public static final String TEXT_PLAIN        = "text/plain";
-    public static final String TEXT_HTML         = "text/html";
-    public static final String TEXT_VCALENDAR    = "text/x-vCalendar";
-    public static final String TEXT_VCARD        = "text/x-vCard";
-
-    public static final String IMAGE_UNSPECIFIED = "image/*";
-    public static final String IMAGE_JPEG        = "image/jpeg";
-    public static final String IMAGE_JPG         = "image/jpg";
-    public static final String IMAGE_GIF         = "image/gif";
-    public static final String IMAGE_WBMP        = "image/vnd.wap.wbmp";
-    public static final String IMAGE_PNG         = "image/png";
-    public static final String IMAGE_X_MS_BMP    = "image/x-ms-bmp";
-
-    public static final String AUDIO_UNSPECIFIED = "audio/*";
-    public static final String AUDIO_AAC         = "audio/aac";
-    public static final String AUDIO_AMR         = "audio/amr";
-    public static final String AUDIO_IMELODY     = "audio/imelody";
-    public static final String AUDIO_MID         = "audio/mid";
-    public static final String AUDIO_MIDI        = "audio/midi";
-    public static final String AUDIO_MP3         = "audio/mp3";
-    public static final String AUDIO_MPEG3       = "audio/mpeg3";
-    public static final String AUDIO_MPEG        = "audio/mpeg";
-    public static final String AUDIO_MPG         = "audio/mpg";
-    public static final String AUDIO_MP4         = "audio/mp4";
-    public static final String AUDIO_X_MID       = "audio/x-mid";
-    public static final String AUDIO_X_MIDI      = "audio/x-midi";
-    public static final String AUDIO_X_MP3       = "audio/x-mp3";
-    public static final String AUDIO_X_MPEG3     = "audio/x-mpeg3";
-    public static final String AUDIO_X_MPEG      = "audio/x-mpeg";
-    public static final String AUDIO_X_MPG       = "audio/x-mpg";
-    public static final String AUDIO_3GPP        = "audio/3gpp";
-    public static final String AUDIO_X_WAV       = "audio/x-wav";
-    public static final String AUDIO_OGG         = "application/ogg";
-
-    public static final String VIDEO_UNSPECIFIED = "video/*";
-    public static final String VIDEO_3GPP        = "video/3gpp";
-    public static final String VIDEO_3G2         = "video/3gpp2";
-    public static final String VIDEO_H263        = "video/h263";
-    public static final String VIDEO_MP4         = "video/mp4";
-
-    public static final String APP_SMIL          = "application/smil";
-    public static final String APP_WAP_XHTML     = "application/vnd.wap.xhtml+xml";
-    public static final String APP_XHTML         = "application/xhtml+xml";
-
-    public static final String APP_DRM_CONTENT   = "application/vnd.oma.drm.content";
-    public static final String APP_DRM_MESSAGE   = "application/vnd.oma.drm.message";
-
-    private static final ArrayList<String> sSupportedContentTypes = new ArrayList<String>();
-    private static final ArrayList<String> sSupportedImageTypes = new ArrayList<String>();
-    private static final ArrayList<String> sSupportedAudioTypes = new ArrayList<String>();
-    private static final ArrayList<String> sSupportedVideoTypes = new ArrayList<String>();
-
-    static {
-        sSupportedContentTypes.add(TEXT_PLAIN);
-        sSupportedContentTypes.add(TEXT_HTML);
-        sSupportedContentTypes.add(TEXT_VCALENDAR);
-        sSupportedContentTypes.add(TEXT_VCARD);
-
-        sSupportedContentTypes.add(IMAGE_JPEG);
-        sSupportedContentTypes.add(IMAGE_GIF);
-        sSupportedContentTypes.add(IMAGE_WBMP);
-        sSupportedContentTypes.add(IMAGE_PNG);
-        sSupportedContentTypes.add(IMAGE_JPG);
-        sSupportedContentTypes.add(IMAGE_X_MS_BMP);
-        //supportedContentTypes.add(IMAGE_SVG); not yet supported.
-
-        sSupportedContentTypes.add(AUDIO_AAC);
-        sSupportedContentTypes.add(AUDIO_AMR);
-        sSupportedContentTypes.add(AUDIO_IMELODY);
-        sSupportedContentTypes.add(AUDIO_MID);
-        sSupportedContentTypes.add(AUDIO_MIDI);
-        sSupportedContentTypes.add(AUDIO_MP3);
-        sSupportedContentTypes.add(AUDIO_MP4);
-        sSupportedContentTypes.add(AUDIO_MPEG3);
-        sSupportedContentTypes.add(AUDIO_MPEG);
-        sSupportedContentTypes.add(AUDIO_MPG);
-        sSupportedContentTypes.add(AUDIO_X_MID);
-        sSupportedContentTypes.add(AUDIO_X_MIDI);
-        sSupportedContentTypes.add(AUDIO_X_MP3);
-        sSupportedContentTypes.add(AUDIO_X_MPEG3);
-        sSupportedContentTypes.add(AUDIO_X_MPEG);
-        sSupportedContentTypes.add(AUDIO_X_MPG);
-        sSupportedContentTypes.add(AUDIO_X_WAV);
-        sSupportedContentTypes.add(AUDIO_3GPP);
-        sSupportedContentTypes.add(AUDIO_OGG);
-
-        sSupportedContentTypes.add(VIDEO_3GPP);
-        sSupportedContentTypes.add(VIDEO_3G2);
-        sSupportedContentTypes.add(VIDEO_H263);
-        sSupportedContentTypes.add(VIDEO_MP4);
-
-        sSupportedContentTypes.add(APP_SMIL);
-        sSupportedContentTypes.add(APP_WAP_XHTML);
-        sSupportedContentTypes.add(APP_XHTML);
-
-        sSupportedContentTypes.add(APP_DRM_CONTENT);
-        sSupportedContentTypes.add(APP_DRM_MESSAGE);
-
-        // add supported image types
-        sSupportedImageTypes.add(IMAGE_JPEG);
-        sSupportedImageTypes.add(IMAGE_GIF);
-        sSupportedImageTypes.add(IMAGE_WBMP);
-        sSupportedImageTypes.add(IMAGE_PNG);
-        sSupportedImageTypes.add(IMAGE_JPG);
-        sSupportedImageTypes.add(IMAGE_X_MS_BMP);
-
-        // add supported audio types
-        sSupportedAudioTypes.add(AUDIO_AAC);
-        sSupportedAudioTypes.add(AUDIO_AMR);
-        sSupportedAudioTypes.add(AUDIO_IMELODY);
-        sSupportedAudioTypes.add(AUDIO_MID);
-        sSupportedAudioTypes.add(AUDIO_MIDI);
-        sSupportedAudioTypes.add(AUDIO_MP3);
-        sSupportedAudioTypes.add(AUDIO_MPEG3);
-        sSupportedAudioTypes.add(AUDIO_MPEG);
-        sSupportedAudioTypes.add(AUDIO_MPG);
-        sSupportedAudioTypes.add(AUDIO_MP4);
-        sSupportedAudioTypes.add(AUDIO_X_MID);
-        sSupportedAudioTypes.add(AUDIO_X_MIDI);
-        sSupportedAudioTypes.add(AUDIO_X_MP3);
-        sSupportedAudioTypes.add(AUDIO_X_MPEG3);
-        sSupportedAudioTypes.add(AUDIO_X_MPEG);
-        sSupportedAudioTypes.add(AUDIO_X_MPG);
-        sSupportedAudioTypes.add(AUDIO_X_WAV);
-        sSupportedAudioTypes.add(AUDIO_3GPP);
-        sSupportedAudioTypes.add(AUDIO_OGG);
-
-        // add supported video types
-        sSupportedVideoTypes.add(VIDEO_3GPP);
-        sSupportedVideoTypes.add(VIDEO_3G2);
-        sSupportedVideoTypes.add(VIDEO_H263);
-        sSupportedVideoTypes.add(VIDEO_MP4);
-    }
-
-    // This class should never be instantiated.
-    private ContentType() {
-    }
-
-    public static boolean isSupportedType(String contentType) {
-        return (null != contentType) && sSupportedContentTypes.contains(contentType);
-    }
-
-    public static boolean isSupportedImageType(String contentType) {
-        return isImageType(contentType) && isSupportedType(contentType);
-    }
-
-    public static boolean isSupportedAudioType(String contentType) {
-        return isAudioType(contentType) && isSupportedType(contentType);
-    }
-
-    public static boolean isSupportedVideoType(String contentType) {
-        return isVideoType(contentType) && isSupportedType(contentType);
-    }
-
-    public static boolean isTextType(String contentType) {
-        return (null != contentType) && contentType.startsWith("text/");
-    }
-
-    public static boolean isImageType(String contentType) {
-        return (null != contentType) && contentType.startsWith("image/");
-    }
-
-    public static boolean isAudioType(String contentType) {
-        return (null != contentType) && contentType.startsWith("audio/");
-    }
-
-    public static boolean isVideoType(String contentType) {
-        return (null != contentType) && contentType.startsWith("video/");
-    }
-
-    public static boolean isDrmType(String contentType) {
-        return (null != contentType)
-                && (contentType.equals(APP_DRM_CONTENT)
-                        || contentType.equals(APP_DRM_MESSAGE));
-    }
-
-    public static boolean isUnspecified(String contentType) {
-        return (null != contentType) && contentType.endsWith("*");
-    }
-
-    @SuppressWarnings("unchecked")
-    public static ArrayList<String> getImageTypes() {
-        return (ArrayList<String>) sSupportedImageTypes.clone();
-    }
-
-    @SuppressWarnings("unchecked")
-    public static ArrayList<String> getAudioTypes() {
-        return (ArrayList<String>) sSupportedAudioTypes.clone();
-    }
-
-    @SuppressWarnings("unchecked")
-    public static ArrayList<String> getVideoTypes() {
-        return (ArrayList<String>) sSupportedVideoTypes.clone();
-    }
-
-    @SuppressWarnings("unchecked")
-    public static ArrayList<String> getSupportedTypes() {
-        return (ArrayList<String>) sSupportedContentTypes.clone();
-    }
-}
diff --git a/src/java/com/google/android/mms/Dummy.java b/src/java/com/google/android/mms/Dummy.java
new file mode 100644
index 0000000..23a938b
--- /dev/null
+++ b/src/java/com/google/android/mms/Dummy.java
@@ -0,0 +1,5 @@
+/**
+ * TODO: temporary dummy source file
+ */
+class Dummy {
+}
diff --git a/src/java/com/google/android/mms/InvalidHeaderValueException.java b/src/java/com/google/android/mms/InvalidHeaderValueException.java
deleted file mode 100644
index 73d7832..0000000
--- a/src/java/com/google/android/mms/InvalidHeaderValueException.java
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms;
-
-/**
- * Thrown when an invalid header value was set.
- */
-public class InvalidHeaderValueException extends MmsException {
-    private static final long serialVersionUID = -2053384496042052262L;
-
-    /**
-     * Constructs an InvalidHeaderValueException with no detailed message.
-     */
-    public InvalidHeaderValueException() {
-        super();
-    }
-
-    /**
-     * Constructs an InvalidHeaderValueException with the specified detailed message.
-     *
-     * @param message the detailed message.
-     */
-    public InvalidHeaderValueException(String message) {
-        super(message);
-    }
-}
diff --git a/src/java/com/google/android/mms/MmsException.java b/src/java/com/google/android/mms/MmsException.java
deleted file mode 100644
index 6ca0c7e..0000000
--- a/src/java/com/google/android/mms/MmsException.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms;
-
-/**
- * A generic exception that is thrown by the Mms client.
- */
-public class MmsException extends Exception {
-    private static final long serialVersionUID = -7323249827281485390L;
-
-    /**
-     * Creates a new MmsException.
-     */
-    public MmsException() {
-        super();
-    }
-
-    /**
-     * Creates a new MmsException with the specified detail message.
-     *
-     * @param message the detail message.
-     */
-    public MmsException(String message) {
-        super(message);
-    }
-
-    /**
-     * Creates a new MmsException with the specified cause.
-     *
-     * @param cause the cause.
-     */
-    public MmsException(Throwable cause) {
-        super(cause);
-    }
-
-    /**
-     * Creates a new MmsException with the specified detail message and cause.
-     *
-     * @param message the detail message.
-     * @param cause the cause.
-     */
-    public MmsException(String message, Throwable cause) {
-        super(message, cause);
-    }
-}
diff --git a/src/java/com/google/android/mms/package.html b/src/java/com/google/android/mms/package.html
deleted file mode 100755
index c9f96a6..0000000
--- a/src/java/com/google/android/mms/package.html
+++ /dev/null
@@ -1,5 +0,0 @@
-<body>
-
-{@hide}
-
-</body>
diff --git a/src/java/com/google/android/mms/pdu/AcknowledgeInd.java b/src/java/com/google/android/mms/pdu/AcknowledgeInd.java
deleted file mode 100644
index 0e96c60..0000000
--- a/src/java/com/google/android/mms/pdu/AcknowledgeInd.java
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.InvalidHeaderValueException;
-
-/**
- * M-Acknowledge.ind PDU.
- */
-public class AcknowledgeInd extends GenericPdu {
-    /**
-     * Constructor, used when composing a M-Acknowledge.ind pdu.
-     *
-     * @param mmsVersion current viersion of mms
-     * @param transactionId the transaction-id value
-     * @throws InvalidHeaderValueException if parameters are invalid.
-     *         NullPointerException if transactionId is null.
-     */
-    public AcknowledgeInd(int mmsVersion, byte[] transactionId)
-            throws InvalidHeaderValueException {
-        super();
-
-        setMessageType(PduHeaders.MESSAGE_TYPE_ACKNOWLEDGE_IND);
-        setMmsVersion(mmsVersion);
-        setTransactionId(transactionId);
-    }
-
-    /**
-     * Constructor with given headers.
-     *
-     * @param headers Headers for this PDU.
-     */
-    AcknowledgeInd(PduHeaders headers) {
-        super(headers);
-    }
-
-    /**
-     * Get X-Mms-Report-Allowed field value.
-     *
-     * @return the X-Mms-Report-Allowed value
-     */
-    public int getReportAllowed() {
-        return mPduHeaders.getOctet(PduHeaders.REPORT_ALLOWED);
-    }
-
-    /**
-     * Set X-Mms-Report-Allowed field value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     */
-    public void setReportAllowed(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.REPORT_ALLOWED);
-    }
-
-    /**
-     * Get X-Mms-Transaction-Id field value.
-     *
-     * @return the X-Mms-Report-Allowed value
-     */
-    public byte[] getTransactionId() {
-        return mPduHeaders.getTextString(PduHeaders.TRANSACTION_ID);
-    }
-
-    /**
-     * Set X-Mms-Transaction-Id field value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setTransactionId(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.TRANSACTION_ID);
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/Base64.java b/src/java/com/google/android/mms/pdu/Base64.java
deleted file mode 100644
index 604bee0..0000000
--- a/src/java/com/google/android/mms/pdu/Base64.java
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-public class Base64 {
-    /**
-     * Used to get the number of Quadruples.
-     */
-    static final int FOURBYTE = 4;
-
-    /**
-     * Byte used to pad output.
-     */
-    static final byte PAD = (byte) '=';
-
-    /**
-     * The base length.
-     */
-    static final int BASELENGTH = 255;
-
-    // Create arrays to hold the base64 characters
-    private static byte[] base64Alphabet = new byte[BASELENGTH];
-
-    // Populating the character arrays
-    static {
-        for (int i = 0; i < BASELENGTH; i++) {
-            base64Alphabet[i] = (byte) -1;
-        }
-        for (int i = 'Z'; i >= 'A'; i--) {
-            base64Alphabet[i] = (byte) (i - 'A');
-        }
-        for (int i = 'z'; i >= 'a'; i--) {
-            base64Alphabet[i] = (byte) (i - 'a' + 26);
-        }
-        for (int i = '9'; i >= '0'; i--) {
-            base64Alphabet[i] = (byte) (i - '0' + 52);
-        }
-
-        base64Alphabet['+'] = 62;
-        base64Alphabet['/'] = 63;
-    }
-
-    /**
-     * Decodes Base64 data into octects
-     *
-     * @param base64Data Byte array containing Base64 data
-     * @return Array containing decoded data.
-     */
-    public static byte[] decodeBase64(byte[] base64Data) {
-        // RFC 2045 requires that we discard ALL non-Base64 characters
-        base64Data = discardNonBase64(base64Data);
-
-        // handle the edge case, so we don't have to worry about it later
-        if (base64Data.length == 0) {
-            return new byte[0];
-        }
-
-        int numberQuadruple = base64Data.length / FOURBYTE;
-        byte decodedData[] = null;
-        byte b1 = 0, b2 = 0, b3 = 0, b4 = 0, marker0 = 0, marker1 = 0;
-
-        // Throw away anything not in base64Data
-
-        int encodedIndex = 0;
-        int dataIndex = 0;
-        {
-            // this sizes the output array properly - rlw
-            int lastData = base64Data.length;
-            // ignore the '=' padding
-            while (base64Data[lastData - 1] == PAD) {
-                if (--lastData == 0) {
-                    return new byte[0];
-                }
-            }
-            decodedData = new byte[lastData - numberQuadruple];
-        }
-
-        for (int i = 0; i < numberQuadruple; i++) {
-            dataIndex = i * 4;
-            marker0 = base64Data[dataIndex + 2];
-            marker1 = base64Data[dataIndex + 3];
-
-            b1 = base64Alphabet[base64Data[dataIndex]];
-            b2 = base64Alphabet[base64Data[dataIndex + 1]];
-
-            if (marker0 != PAD && marker1 != PAD) {
-                //No PAD e.g 3cQl
-                b3 = base64Alphabet[marker0];
-                b4 = base64Alphabet[marker1];
-
-                decodedData[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
-                decodedData[encodedIndex + 1] =
-                    (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
-                decodedData[encodedIndex + 2] = (byte) (b3 << 6 | b4);
-            } else if (marker0 == PAD) {
-                //Two PAD e.g. 3c[Pad][Pad]
-                decodedData[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
-            } else if (marker1 == PAD) {
-                //One PAD e.g. 3cQ[Pad]
-                b3 = base64Alphabet[marker0];
-
-                decodedData[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
-                decodedData[encodedIndex + 1] =
-                    (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
-            }
-            encodedIndex += 3;
-        }
-        return decodedData;
-    }
-
-    /**
-     * Check octect wheter it is a base64 encoding.
-     *
-     * @param octect to be checked byte
-     * @return ture if it is base64 encoding, false otherwise.
-     */
-    private static boolean isBase64(byte octect) {
-        if (octect == PAD) {
-            return true;
-        } else if (base64Alphabet[octect] == -1) {
-            return false;
-        } else {
-            return true;
-        }
-    }
-
-    /**
-     * Discards any characters outside of the base64 alphabet, per
-     * the requirements on page 25 of RFC 2045 - "Any characters
-     * outside of the base64 alphabet are to be ignored in base64
-     * encoded data."
-     *
-     * @param data The base-64 encoded data to groom
-     * @return The data, less non-base64 characters (see RFC 2045).
-     */
-    static byte[] discardNonBase64(byte[] data) {
-        byte groomedData[] = new byte[data.length];
-        int bytesCopied = 0;
-
-        for (int i = 0; i < data.length; i++) {
-            if (isBase64(data[i])) {
-                groomedData[bytesCopied++] = data[i];
-            }
-        }
-
-        byte packedData[] = new byte[bytesCopied];
-
-        System.arraycopy(groomedData, 0, packedData, 0, bytesCopied);
-
-        return packedData;
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/CharacterSets.java b/src/java/com/google/android/mms/pdu/CharacterSets.java
deleted file mode 100644
index 4e22ca5..0000000
--- a/src/java/com/google/android/mms/pdu/CharacterSets.java
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import java.io.UnsupportedEncodingException;
-import java.util.HashMap;
-
-public class CharacterSets {
-    /**
-     * IANA assigned MIB enum numbers.
-     *
-     * From wap-230-wsp-20010705-a.pdf
-     * Any-charset = <Octet 128>
-     * Equivalent to the special RFC2616 charset value "*"
-     */
-    public static final int ANY_CHARSET = 0x00;
-    public static final int US_ASCII    = 0x03;
-    public static final int ISO_8859_1  = 0x04;
-    public static final int ISO_8859_2  = 0x05;
-    public static final int ISO_8859_3  = 0x06;
-    public static final int ISO_8859_4  = 0x07;
-    public static final int ISO_8859_5  = 0x08;
-    public static final int ISO_8859_6  = 0x09;
-    public static final int ISO_8859_7  = 0x0A;
-    public static final int ISO_8859_8  = 0x0B;
-    public static final int ISO_8859_9  = 0x0C;
-    public static final int SHIFT_JIS   = 0x11;
-    public static final int UTF_8       = 0x6A;
-    public static final int BIG5        = 0x07EA;
-    public static final int UCS2        = 0x03E8;
-    public static final int UTF_16      = 0x03F7;
-
-    /**
-     * If the encoding of given data is unsupported, use UTF_8 to decode it.
-     */
-    public static final int DEFAULT_CHARSET = UTF_8;
-
-    /**
-     * Array of MIB enum numbers.
-     */
-    private static final int[] MIBENUM_NUMBERS = {
-        ANY_CHARSET,
-        US_ASCII,
-        ISO_8859_1,
-        ISO_8859_2,
-        ISO_8859_3,
-        ISO_8859_4,
-        ISO_8859_5,
-        ISO_8859_6,
-        ISO_8859_7,
-        ISO_8859_8,
-        ISO_8859_9,
-        SHIFT_JIS,
-        UTF_8,
-        BIG5,
-        UCS2,
-        UTF_16,
-    };
-
-    /**
-     * The Well-known-charset Mime name.
-     */
-    public static final String MIMENAME_ANY_CHARSET = "*";
-    public static final String MIMENAME_US_ASCII    = "us-ascii";
-    public static final String MIMENAME_ISO_8859_1  = "iso-8859-1";
-    public static final String MIMENAME_ISO_8859_2  = "iso-8859-2";
-    public static final String MIMENAME_ISO_8859_3  = "iso-8859-3";
-    public static final String MIMENAME_ISO_8859_4  = "iso-8859-4";
-    public static final String MIMENAME_ISO_8859_5  = "iso-8859-5";
-    public static final String MIMENAME_ISO_8859_6  = "iso-8859-6";
-    public static final String MIMENAME_ISO_8859_7  = "iso-8859-7";
-    public static final String MIMENAME_ISO_8859_8  = "iso-8859-8";
-    public static final String MIMENAME_ISO_8859_9  = "iso-8859-9";
-    public static final String MIMENAME_SHIFT_JIS   = "shift_JIS";
-    public static final String MIMENAME_UTF_8       = "utf-8";
-    public static final String MIMENAME_BIG5        = "big5";
-    public static final String MIMENAME_UCS2        = "iso-10646-ucs-2";
-    public static final String MIMENAME_UTF_16      = "utf-16";
-
-    public static final String DEFAULT_CHARSET_NAME = MIMENAME_UTF_8;
-
-    /**
-     * Array of the names of character sets.
-     */
-    private static final String[] MIME_NAMES = {
-        MIMENAME_ANY_CHARSET,
-        MIMENAME_US_ASCII,
-        MIMENAME_ISO_8859_1,
-        MIMENAME_ISO_8859_2,
-        MIMENAME_ISO_8859_3,
-        MIMENAME_ISO_8859_4,
-        MIMENAME_ISO_8859_5,
-        MIMENAME_ISO_8859_6,
-        MIMENAME_ISO_8859_7,
-        MIMENAME_ISO_8859_8,
-        MIMENAME_ISO_8859_9,
-        MIMENAME_SHIFT_JIS,
-        MIMENAME_UTF_8,
-        MIMENAME_BIG5,
-        MIMENAME_UCS2,
-        MIMENAME_UTF_16,
-    };
-
-    private static final HashMap<Integer, String> MIBENUM_TO_NAME_MAP;
-    private static final HashMap<String, Integer> NAME_TO_MIBENUM_MAP;
-
-    static {
-        // Create the HashMaps.
-        MIBENUM_TO_NAME_MAP = new HashMap<Integer, String>();
-        NAME_TO_MIBENUM_MAP = new HashMap<String, Integer>();
-        assert(MIBENUM_NUMBERS.length == MIME_NAMES.length);
-        int count = MIBENUM_NUMBERS.length - 1;
-        for(int i = 0; i <= count; i++) {
-            MIBENUM_TO_NAME_MAP.put(MIBENUM_NUMBERS[i], MIME_NAMES[i]);
-            NAME_TO_MIBENUM_MAP.put(MIME_NAMES[i], MIBENUM_NUMBERS[i]);
-        }
-    }
-
-    private CharacterSets() {} // Non-instantiatable
-
-    /**
-     * Map an MIBEnum number to the name of the charset which this number
-     * is assigned to by IANA.
-     *
-     * @param mibEnumValue An IANA assigned MIBEnum number.
-     * @return The name string of the charset.
-     * @throws UnsupportedEncodingException
-     */
-    public static String getMimeName(int mibEnumValue)
-            throws UnsupportedEncodingException {
-        String name = MIBENUM_TO_NAME_MAP.get(mibEnumValue);
-        if (name == null) {
-            throw new UnsupportedEncodingException();
-        }
-        return name;
-    }
-
-    /**
-     * Map a well-known charset name to its assigned MIBEnum number.
-     *
-     * @param mimeName The charset name.
-     * @return The MIBEnum number assigned by IANA for this charset.
-     * @throws UnsupportedEncodingException
-     */
-    public static int getMibEnumValue(String mimeName)
-            throws UnsupportedEncodingException {
-        if(null == mimeName) {
-            return -1;
-        }
-
-        Integer mibEnumValue = NAME_TO_MIBENUM_MAP.get(mimeName);
-        if (mibEnumValue == null) {
-            throw new UnsupportedEncodingException();
-        }
-        return mibEnumValue;
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/DeliveryInd.java b/src/java/com/google/android/mms/pdu/DeliveryInd.java
deleted file mode 100644
index dafa8d1..0000000
--- a/src/java/com/google/android/mms/pdu/DeliveryInd.java
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.InvalidHeaderValueException;
-
-/**
- * M-Delivery.Ind Pdu.
- */
-public class DeliveryInd extends GenericPdu {
-    /**
-     * Empty constructor.
-     * Since the Pdu corresponding to this class is constructed
-     * by the Proxy-Relay server, this class is only instantiated
-     * by the Pdu Parser.
-     *
-     * @throws InvalidHeaderValueException if error occurs.
-     */
-    public DeliveryInd() throws InvalidHeaderValueException {
-        super();
-        setMessageType(PduHeaders.MESSAGE_TYPE_DELIVERY_IND);
-    }
-
-    /**
-     * Constructor with given headers.
-     *
-     * @param headers Headers for this PDU.
-     */
-    DeliveryInd(PduHeaders headers) {
-        super(headers);
-    }
-
-    /**
-     * Get Date value.
-     *
-     * @return the value
-     */
-    public long getDate() {
-        return mPduHeaders.getLongInteger(PduHeaders.DATE);
-    }
-
-    /**
-     * Set Date value.
-     *
-     * @param value the value
-     */
-    public void setDate(long value) {
-        mPduHeaders.setLongInteger(value, PduHeaders.DATE);
-    }
-
-    /**
-     * Get Message-ID value.
-     *
-     * @return the value
-     */
-    public byte[] getMessageId() {
-        return mPduHeaders.getTextString(PduHeaders.MESSAGE_ID);
-    }
-
-    /**
-     * Set Message-ID value.
-     *
-     * @param value the value, should not be null
-     * @throws NullPointerException if the value is null.
-     */
-    public void setMessageId(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.MESSAGE_ID);
-    }
-
-    /**
-     * Get Status value.
-     *
-     * @return the value
-     */
-    public int getStatus() {
-        return mPduHeaders.getOctet(PduHeaders.STATUS);
-    }
-
-    /**
-     * Set Status value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     */
-    public void setStatus(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.STATUS);
-    }
-
-    /**
-     * Get To value.
-     *
-     * @return the value
-     */
-    public EncodedStringValue[] getTo() {
-        return mPduHeaders.getEncodedStringValues(PduHeaders.TO);
-    }
-
-    /**
-     * set To value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setTo(EncodedStringValue[] value) {
-        mPduHeaders.setEncodedStringValues(value, PduHeaders.TO);
-    }
-
-    /*
-     * Optional, not supported header fields:
-     *
-     *     public byte[] getApplicId() {return null;}
-     *     public void setApplicId(byte[] value) {}
-     *
-     *     public byte[] getAuxApplicId() {return null;}
-     *     public void getAuxApplicId(byte[] value) {}
-     *
-     *     public byte[] getReplyApplicId() {return 0x00;}
-     *     public void setReplyApplicId(byte[] value) {}
-     *
-     *     public EncodedStringValue getStatusText() {return null;}
-     *     public void setStatusText(EncodedStringValue value) {}
-     */
-}
diff --git a/src/java/com/google/android/mms/pdu/EncodedStringValue.java b/src/java/com/google/android/mms/pdu/EncodedStringValue.java
deleted file mode 100644
index 9495c1c..0000000
--- a/src/java/com/google/android/mms/pdu/EncodedStringValue.java
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * Copyright (C) 2007-2008 Esmertec AG.
- * Copyright (C) 2007-2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import android.util.Log;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.util.ArrayList;
-
-/**
- * Encoded-string-value = Text-string | Value-length Char-set Text-string
- */
-public class EncodedStringValue implements Cloneable {
-    private static final String TAG = "EncodedStringValue";
-    private static final boolean DEBUG = false;
-    private static final boolean LOCAL_LOGV = false;
-
-    /**
-     * The Char-set value.
-     */
-    private int mCharacterSet;
-
-    /**
-     * The Text-string value.
-     */
-    private byte[] mData;
-
-    /**
-     * Constructor.
-     *
-     * @param charset the Char-set value
-     * @param data the Text-string value
-     * @throws NullPointerException if Text-string value is null.
-     */
-    public EncodedStringValue(int charset, byte[] data) {
-        // TODO: CharSet needs to be validated against MIBEnum.
-        if(null == data) {
-            throw new NullPointerException("EncodedStringValue: Text-string is null.");
-        }
-
-        mCharacterSet = charset;
-        mData = new byte[data.length];
-        System.arraycopy(data, 0, mData, 0, data.length);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param data the Text-string value
-     * @throws NullPointerException if Text-string value is null.
-     */
-    public EncodedStringValue(byte[] data) {
-        this(CharacterSets.DEFAULT_CHARSET, data);
-    }
-
-    public EncodedStringValue(String data) {
-        try {
-            mData = data.getBytes(CharacterSets.DEFAULT_CHARSET_NAME);
-            mCharacterSet = CharacterSets.DEFAULT_CHARSET;
-        } catch (UnsupportedEncodingException e) {
-            Log.e(TAG, "Default encoding must be supported.", e);
-        }
-    }
-
-    /**
-     * Get Char-set value.
-     *
-     * @return the value
-     */
-    public int getCharacterSet() {
-        return mCharacterSet;
-    }
-
-    /**
-     * Set Char-set value.
-     *
-     * @param charset the Char-set value
-     */
-    public void setCharacterSet(int charset) {
-        // TODO: CharSet needs to be validated against MIBEnum.
-        mCharacterSet = charset;
-    }
-
-    /**
-     * Get Text-string value.
-     *
-     * @return the value
-     */
-    public byte[] getTextString() {
-        byte[] byteArray = new byte[mData.length];
-
-        System.arraycopy(mData, 0, byteArray, 0, mData.length);
-        return byteArray;
-    }
-
-    /**
-     * Set Text-string value.
-     *
-     * @param textString the Text-string value
-     * @throws NullPointerException if Text-string value is null.
-     */
-    public void setTextString(byte[] textString) {
-        if(null == textString) {
-            throw new NullPointerException("EncodedStringValue: Text-string is null.");
-        }
-
-        mData = new byte[textString.length];
-        System.arraycopy(textString, 0, mData, 0, textString.length);
-    }
-
-    /**
-     * Convert this object to a {@link java.lang.String}. If the encoding of
-     * the EncodedStringValue is null or unsupported, it will be
-     * treated as iso-8859-1 encoding.
-     *
-     * @return The decoded String.
-     */
-    public String getString()  {
-        if (CharacterSets.ANY_CHARSET == mCharacterSet) {
-            return new String(mData); // system default encoding.
-        } else {
-            try {
-                String name = CharacterSets.getMimeName(mCharacterSet);
-                return new String(mData, name);
-            } catch (UnsupportedEncodingException e) {
-            	if (LOCAL_LOGV) {
-            		Log.v(TAG, e.getMessage(), e);
-            	}
-            	try {
-                    return new String(mData, CharacterSets.MIMENAME_ISO_8859_1);
-                } catch (UnsupportedEncodingException _) {
-                    return new String(mData); // system default encoding.
-                }
-            }
-        }
-    }
-
-    /**
-     * Append to Text-string.
-     *
-     * @param textString the textString to append
-     * @throws NullPointerException if the text String is null
-     *                      or an IOException occured.
-     */
-    public void appendTextString(byte[] textString) {
-        if(null == textString) {
-            throw new NullPointerException("Text-string is null.");
-        }
-
-        if(null == mData) {
-            mData = new byte[textString.length];
-            System.arraycopy(textString, 0, mData, 0, textString.length);
-        } else {
-            ByteArrayOutputStream newTextString = new ByteArrayOutputStream();
-            try {
-                newTextString.write(mData);
-                newTextString.write(textString);
-            } catch (IOException e) {
-                e.printStackTrace();
-                throw new NullPointerException(
-                        "appendTextString: failed when write a new Text-string");
-            }
-
-            mData = newTextString.toByteArray();
-        }
-    }
-
-    /*
-     * (non-Javadoc)
-     * @see java.lang.Object#clone()
-     */
-    @Override
-    public Object clone() throws CloneNotSupportedException {
-        super.clone();
-        int len = mData.length;
-        byte[] dstBytes = new byte[len];
-        System.arraycopy(mData, 0, dstBytes, 0, len);
-
-        try {
-            return new EncodedStringValue(mCharacterSet, dstBytes);
-        } catch (Exception e) {
-            Log.e(TAG, "failed to clone an EncodedStringValue: " + this);
-            e.printStackTrace();
-            throw new CloneNotSupportedException(e.getMessage());
-        }
-    }
-
-    /**
-     * Split this encoded string around matches of the given pattern.
-     *
-     * @param pattern the delimiting pattern
-     * @return the array of encoded strings computed by splitting this encoded
-     *         string around matches of the given pattern
-     */
-    public EncodedStringValue[] split(String pattern) {
-        String[] temp = getString().split(pattern);
-        EncodedStringValue[] ret = new EncodedStringValue[temp.length];
-        for (int i = 0; i < ret.length; ++i) {
-            try {
-                ret[i] = new EncodedStringValue(mCharacterSet,
-                        temp[i].getBytes());
-            } catch (NullPointerException _) {
-                // Can't arrive here
-                return null;
-            }
-        }
-        return ret;
-    }
-
-    /**
-     * Extract an EncodedStringValue[] from a given String.
-     */
-    public static EncodedStringValue[] extract(String src) {
-        String[] values = src.split(";");
-
-        ArrayList<EncodedStringValue> list = new ArrayList<EncodedStringValue>();
-        for (int i = 0; i < values.length; i++) {
-            if (values[i].length() > 0) {
-                list.add(new EncodedStringValue(values[i]));
-            }
-        }
-
-        int len = list.size();
-        if (len > 0) {
-            return list.toArray(new EncodedStringValue[len]);
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Concatenate an EncodedStringValue[] into a single String.
-     */
-    public static String concat(EncodedStringValue[] addr) {
-        StringBuilder sb = new StringBuilder();
-        int maxIndex = addr.length - 1;
-        for (int i = 0; i <= maxIndex; i++) {
-            sb.append(addr[i].getString());
-            if (i < maxIndex) {
-                sb.append(";");
-            }
-        }
-
-        return sb.toString();
-    }
-
-    public static EncodedStringValue copy(EncodedStringValue value) {
-        if (value == null) {
-            return null;
-        }
-
-        return new EncodedStringValue(value.mCharacterSet, value.mData);
-    }
-    
-    public static EncodedStringValue[] encodeStrings(String[] array) {
-        int count = array.length;
-        if (count > 0) {
-            EncodedStringValue[] encodedArray = new EncodedStringValue[count];
-            for (int i = 0; i < count; i++) {
-                encodedArray[i] = new EncodedStringValue(array[i]);
-            }
-            return encodedArray;
-        }
-        return null;
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/GenericPdu.java b/src/java/com/google/android/mms/pdu/GenericPdu.java
deleted file mode 100644
index 705de6a..0000000
--- a/src/java/com/google/android/mms/pdu/GenericPdu.java
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.InvalidHeaderValueException;
-
-public class GenericPdu {
-    /**
-     * The headers of pdu.
-     */
-    PduHeaders mPduHeaders = null;
-
-    /**
-     * Constructor.
-     */
-    public GenericPdu() {
-        mPduHeaders = new PduHeaders();
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param headers Headers for this PDU.
-     */
-    GenericPdu(PduHeaders headers) {
-        mPduHeaders = headers;
-    }
-
-    /**
-     * Get the headers of this PDU.
-     *
-     * @return A PduHeaders of this PDU.
-     */
-    PduHeaders getPduHeaders() {
-        return mPduHeaders;
-    }
-
-    /**
-     * Get X-Mms-Message-Type field value.
-     *
-     * @return the X-Mms-Report-Allowed value
-     */
-    public int getMessageType() {
-        return mPduHeaders.getOctet(PduHeaders.MESSAGE_TYPE);
-    }
-
-    /**
-     * Set X-Mms-Message-Type field value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     *         RuntimeException if field's value is not Octet.
-     */
-    public void setMessageType(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.MESSAGE_TYPE);
-    }
-
-    /**
-     * Get X-Mms-MMS-Version field value.
-     *
-     * @return the X-Mms-MMS-Version value
-     */
-    public int getMmsVersion() {
-        return mPduHeaders.getOctet(PduHeaders.MMS_VERSION);
-    }
-
-    /**
-     * Set X-Mms-MMS-Version field value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     *         RuntimeException if field's value is not Octet.
-     */
-    public void setMmsVersion(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.MMS_VERSION);
-    }
-
-    /**
-     * Get From value.
-     * From-value = Value-length
-     *      (Address-present-token Encoded-string-value | Insert-address-token)
-     *
-     * @return the value
-     */
-    public EncodedStringValue getFrom() {
-       return mPduHeaders.getEncodedStringValue(PduHeaders.FROM);
-    }
-
-    /**
-     * Set From value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setFrom(EncodedStringValue value) {
-        mPduHeaders.setEncodedStringValue(value, PduHeaders.FROM);
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/MultimediaMessagePdu.java b/src/java/com/google/android/mms/pdu/MultimediaMessagePdu.java
deleted file mode 100644
index 5a85e0e..0000000
--- a/src/java/com/google/android/mms/pdu/MultimediaMessagePdu.java
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.InvalidHeaderValueException;
-
-/**
- * Multimedia message PDU.
- */
-public class MultimediaMessagePdu extends GenericPdu{
-    /**
-     * The body.
-     */
-    private PduBody mMessageBody;
-
-    /**
-     * Constructor.
-     */
-    public MultimediaMessagePdu() {
-        super();
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param header the header of this PDU
-     * @param body the body of this PDU
-     */
-    public MultimediaMessagePdu(PduHeaders header, PduBody body) {
-        super(header);
-        mMessageBody = body;
-    }
-
-    /**
-     * Constructor with given headers.
-     *
-     * @param headers Headers for this PDU.
-     */
-    MultimediaMessagePdu(PduHeaders headers) {
-        super(headers);
-    }
-
-    /**
-     * Get body of the PDU.
-     *
-     * @return the body
-     */
-    public PduBody getBody() {
-        return mMessageBody;
-    }
-
-    /**
-     * Set body of the PDU.
-     *
-     * @param body the body
-     */
-    public void setBody(PduBody body) {
-        mMessageBody = body;
-    }
-
-    /**
-     * Get subject.
-     *
-     * @return the value
-     */
-    public EncodedStringValue getSubject() {
-        return mPduHeaders.getEncodedStringValue(PduHeaders.SUBJECT);
-    }
-
-    /**
-     * Set subject.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setSubject(EncodedStringValue value) {
-        mPduHeaders.setEncodedStringValue(value, PduHeaders.SUBJECT);
-    }
-
-    /**
-     * Get To value.
-     *
-     * @return the value
-     */
-    public EncodedStringValue[] getTo() {
-        return mPduHeaders.getEncodedStringValues(PduHeaders.TO);
-    }
-
-    /**
-     * Add a "To" value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void addTo(EncodedStringValue value) {
-        mPduHeaders.appendEncodedStringValue(value, PduHeaders.TO);
-    }
-
-    /**
-     * Get X-Mms-Priority value.
-     *
-     * @return the value
-     */
-    public int getPriority() {
-        return mPduHeaders.getOctet(PduHeaders.PRIORITY);
-    }
-
-    /**
-     * Set X-Mms-Priority value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     */
-    public void setPriority(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.PRIORITY);
-    }
-
-    /**
-     * Get Date value.
-     *
-     * @return the value
-     */
-    public long getDate() {
-        return mPduHeaders.getLongInteger(PduHeaders.DATE);
-    }
-
-    /**
-     * Set Date value in seconds.
-     *
-     * @param value the value
-     */
-    public void setDate(long value) {
-        mPduHeaders.setLongInteger(value, PduHeaders.DATE);
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/NotificationInd.java b/src/java/com/google/android/mms/pdu/NotificationInd.java
deleted file mode 100644
index c56cba6..0000000
--- a/src/java/com/google/android/mms/pdu/NotificationInd.java
+++ /dev/null
@@ -1,285 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.InvalidHeaderValueException;
-
-/**
- * M-Notification.ind PDU.
- */
-public class NotificationInd extends GenericPdu {
-    /**
-     * Empty constructor.
-     * Since the Pdu corresponding to this class is constructed
-     * by the Proxy-Relay server, this class is only instantiated
-     * by the Pdu Parser.
-     *
-     * @throws InvalidHeaderValueException if error occurs.
-     *         RuntimeException if an undeclared error occurs.
-     */
-    public NotificationInd() throws InvalidHeaderValueException {
-        super();
-        setMessageType(PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND);
-    }
-
-    /**
-     * Constructor with given headers.
-     *
-     * @param headers Headers for this PDU.
-     */
-    NotificationInd(PduHeaders headers) {
-        super(headers);
-    }
-
-    /**
-     * Get X-Mms-Content-Class Value.
-     *
-     * @return the value
-     */
-    public int getContentClass() {
-        return mPduHeaders.getOctet(PduHeaders.CONTENT_CLASS);
-    }
-
-    /**
-     * Set X-Mms-Content-Class Value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     *         RuntimeException if an undeclared error occurs.
-     */
-    public void setContentClass(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.CONTENT_CLASS);
-    }
-
-    /**
-     * Get X-Mms-Content-Location value.
-     * When used in a PDU other than M-Mbox-Delete.conf and M-Delete.conf:
-     * Content-location-value = Uri-value
-     *
-     * @return the value
-     */
-    public byte[] getContentLocation() {
-        return mPduHeaders.getTextString(PduHeaders.CONTENT_LOCATION);
-    }
-
-    /**
-     * Set X-Mms-Content-Location value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     *         RuntimeException if an undeclared error occurs.
-     */
-    public void setContentLocation(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.CONTENT_LOCATION);
-    }
-
-    /**
-     * Get X-Mms-Expiry value.
-     *
-     * Expiry-value = Value-length
-     *      (Absolute-token Date-value | Relative-token Delta-seconds-value)
-     *
-     * @return the value
-     */
-    public long getExpiry() {
-        return mPduHeaders.getLongInteger(PduHeaders.EXPIRY);
-    }
-
-    /**
-     * Set X-Mms-Expiry value.
-     *
-     * @param value the value
-     * @throws RuntimeException if an undeclared error occurs.
-     */
-    public void setExpiry(long value) {
-        mPduHeaders.setLongInteger(value, PduHeaders.EXPIRY);
-    }
-
-    /**
-     * Get From value.
-     * From-value = Value-length
-     *      (Address-present-token Encoded-string-value | Insert-address-token)
-     *
-     * @return the value
-     */
-    public EncodedStringValue getFrom() {
-       return mPduHeaders.getEncodedStringValue(PduHeaders.FROM);
-    }
-
-    /**
-     * Set From value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     *         RuntimeException if an undeclared error occurs.
-     */
-    public void setFrom(EncodedStringValue value) {
-        mPduHeaders.setEncodedStringValue(value, PduHeaders.FROM);
-    }
-
-    /**
-     * Get X-Mms-Message-Class value.
-     * Message-class-value = Class-identifier | Token-text
-     * Class-identifier = Personal | Advertisement | Informational | Auto
-     *
-     * @return the value
-     */
-    public byte[] getMessageClass() {
-        return mPduHeaders.getTextString(PduHeaders.MESSAGE_CLASS);
-    }
-
-    /**
-     * Set X-Mms-Message-Class value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     *         RuntimeException if an undeclared error occurs.
-     */
-    public void setMessageClass(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.MESSAGE_CLASS);
-    }
-
-    /**
-     * Get X-Mms-Message-Size value.
-     * Message-size-value = Long-integer
-     *
-     * @return the value
-     */
-    public long getMessageSize() {
-        return mPduHeaders.getLongInteger(PduHeaders.MESSAGE_SIZE);
-    }
-
-    /**
-     * Set X-Mms-Message-Size value.
-     *
-     * @param value the value
-     * @throws RuntimeException if an undeclared error occurs.
-     */
-    public void setMessageSize(long value) {
-        mPduHeaders.setLongInteger(value, PduHeaders.MESSAGE_SIZE);
-    }
-
-    /**
-     * Get subject.
-     *
-     * @return the value
-     */
-    public EncodedStringValue getSubject() {
-        return mPduHeaders.getEncodedStringValue(PduHeaders.SUBJECT);
-    }
-
-    /**
-     * Set subject.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     *         RuntimeException if an undeclared error occurs.
-     */
-    public void setSubject(EncodedStringValue value) {
-        mPduHeaders.setEncodedStringValue(value, PduHeaders.SUBJECT);
-    }
-
-    /**
-     * Get X-Mms-Transaction-Id.
-     *
-     * @return the value
-     */
-    public byte[] getTransactionId() {
-        return mPduHeaders.getTextString(PduHeaders.TRANSACTION_ID);
-    }
-
-    /**
-     * Set X-Mms-Transaction-Id.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     *         RuntimeException if an undeclared error occurs.
-     */
-    public void setTransactionId(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.TRANSACTION_ID);
-    }
-
-    /**
-     * Get X-Mms-Delivery-Report Value.
-     *
-     * @return the value
-     */
-    public int getDeliveryReport() {
-        return mPduHeaders.getOctet(PduHeaders.DELIVERY_REPORT);
-    }
-
-    /**
-     * Set X-Mms-Delivery-Report Value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     *         RuntimeException if an undeclared error occurs.
-     */
-    public void setDeliveryReport(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.DELIVERY_REPORT);
-    }
-
-    /*
-     * Optional, not supported header fields:
-     *
-     *     public byte[] getApplicId() {return null;}
-     *     public void setApplicId(byte[] value) {}
-     *
-     *     public byte[] getAuxApplicId() {return null;}
-     *     public void getAuxApplicId(byte[] value) {}
-     *
-     *     public byte getDrmContent() {return 0x00;}
-     *     public void setDrmContent(byte value) {}
-     *
-     *     public byte getDistributionIndicator() {return 0x00;}
-     *     public void setDistributionIndicator(byte value) {}
-     *
-     *     public ElementDescriptorValue getElementDescriptor() {return null;}
-     *     public void getElementDescriptor(ElementDescriptorValue value) {}
-     *
-     *     public byte getPriority() {return 0x00;}
-     *     public void setPriority(byte value) {}
-     *
-     *     public byte getRecommendedRetrievalMode() {return 0x00;}
-     *     public void setRecommendedRetrievalMode(byte value) {}
-     *
-     *     public byte getRecommendedRetrievalModeText() {return 0x00;}
-     *     public void setRecommendedRetrievalModeText(byte value) {}
-     *
-     *     public byte[] getReplaceId() {return 0x00;}
-     *     public void setReplaceId(byte[] value) {}
-     *
-     *     public byte[] getReplyApplicId() {return 0x00;}
-     *     public void setReplyApplicId(byte[] value) {}
-     *
-     *     public byte getReplyCharging() {return 0x00;}
-     *     public void setReplyCharging(byte value) {}
-     *
-     *     public byte getReplyChargingDeadline() {return 0x00;}
-     *     public void setReplyChargingDeadline(byte value) {}
-     *
-     *     public byte[] getReplyChargingId() {return 0x00;}
-     *     public void setReplyChargingId(byte[] value) {}
-     *
-     *     public long getReplyChargingSize() {return 0;}
-     *     public void setReplyChargingSize(long value) {}
-     *
-     *     public byte getStored() {return 0x00;}
-     *     public void setStored(byte value) {}
-     */
-}
diff --git a/src/java/com/google/android/mms/pdu/NotifyRespInd.java b/src/java/com/google/android/mms/pdu/NotifyRespInd.java
deleted file mode 100644
index 2cc2fce..0000000
--- a/src/java/com/google/android/mms/pdu/NotifyRespInd.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.InvalidHeaderValueException;
-
-/**
- * M-NofifyResp.ind PDU.
- */
-public class NotifyRespInd extends GenericPdu {
-    /**
-     * Constructor, used when composing a M-NotifyResp.ind pdu.
-     *
-     * @param mmsVersion current version of mms
-     * @param transactionId the transaction-id value
-     * @param status the status value
-     * @throws InvalidHeaderValueException if parameters are invalid.
-     *         NullPointerException if transactionId is null.
-     *         RuntimeException if an undeclared error occurs.
-     */
-    public NotifyRespInd(int mmsVersion,
-                         byte[] transactionId,
-                         int status) throws InvalidHeaderValueException {
-        super();
-        setMessageType(PduHeaders.MESSAGE_TYPE_NOTIFYRESP_IND);
-        setMmsVersion(mmsVersion);
-        setTransactionId(transactionId);
-        setStatus(status);
-    }
-
-    /**
-     * Constructor with given headers.
-     *
-     * @param headers Headers for this PDU.
-     */
-    NotifyRespInd(PduHeaders headers) {
-        super(headers);
-    }
-
-    /**
-     * Get X-Mms-Report-Allowed field value.
-     *
-     * @return the X-Mms-Report-Allowed value
-     */
-    public int getReportAllowed() {
-        return mPduHeaders.getOctet(PduHeaders.REPORT_ALLOWED);
-    }
-
-    /**
-     * Set X-Mms-Report-Allowed field value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     *         RuntimeException if an undeclared error occurs.
-     */
-    public void setReportAllowed(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.REPORT_ALLOWED);
-    }
-
-    /**
-     * Set X-Mms-Status field value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     *         RuntimeException if an undeclared error occurs.
-     */
-    public void setStatus(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.STATUS);
-    }
-
-    /**
-     * GetX-Mms-Status field value.
-     *
-     * @return the X-Mms-Status value
-     */
-    public int getStatus() {
-        return mPduHeaders.getOctet(PduHeaders.STATUS);
-    }
-
-    /**
-     * Get X-Mms-Transaction-Id field value.
-     *
-     * @return the X-Mms-Report-Allowed value
-     */
-    public byte[] getTransactionId() {
-        return mPduHeaders.getTextString(PduHeaders.TRANSACTION_ID);
-    }
-
-    /**
-     * Set X-Mms-Transaction-Id field value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     *         RuntimeException if an undeclared error occurs.
-     */
-    public void setTransactionId(byte[] value) {
-            mPduHeaders.setTextString(value, PduHeaders.TRANSACTION_ID);
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/PduBody.java b/src/java/com/google/android/mms/pdu/PduBody.java
deleted file mode 100644
index fa0416c..0000000
--- a/src/java/com/google/android/mms/pdu/PduBody.java
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Vector;
-
-public class PduBody {
-    private Vector<PduPart> mParts = null;
-
-    private Map<String, PduPart> mPartMapByContentId = null;
-    private Map<String, PduPart> mPartMapByContentLocation = null;
-    private Map<String, PduPart> mPartMapByName = null;
-    private Map<String, PduPart> mPartMapByFileName = null;
-
-    /**
-     * Constructor.
-     */
-    public PduBody() {
-        mParts = new Vector<PduPart>();
-
-        mPartMapByContentId = new HashMap<String, PduPart>();
-        mPartMapByContentLocation  = new HashMap<String, PduPart>();
-        mPartMapByName = new HashMap<String, PduPart>();
-        mPartMapByFileName = new HashMap<String, PduPart>();
-    }
-
-    private void putPartToMaps(PduPart part) {
-        // Put part to mPartMapByContentId.
-        byte[] contentId = part.getContentId();
-        if(null != contentId) {
-            mPartMapByContentId.put(new String(contentId), part);
-        }
-
-        // Put part to mPartMapByContentLocation.
-        byte[] contentLocation = part.getContentLocation();
-        if(null != contentLocation) {
-            String clc = new String(contentLocation);
-            mPartMapByContentLocation.put(clc, part);
-        }
-
-        // Put part to mPartMapByName.
-        byte[] name = part.getName();
-        if(null != name) {
-            String clc = new String(name);
-            mPartMapByName.put(clc, part);
-        }
-
-        // Put part to mPartMapByFileName.
-        byte[] fileName = part.getFilename();
-        if(null != fileName) {
-            String clc = new String(fileName);
-            mPartMapByFileName.put(clc, part);
-        }
-    }
-
-    /**
-     * Appends the specified part to the end of this body.
-     *
-     * @param part part to be appended
-     * @return true when success, false when fail
-     * @throws NullPointerException when part is null
-     */
-    public boolean addPart(PduPart part) {
-        if(null == part) {
-            throw new NullPointerException();
-        }
-
-        putPartToMaps(part);
-        return mParts.add(part);
-    }
-
-    /**
-     * Inserts the specified part at the specified position.
-     *
-     * @param index index at which the specified part is to be inserted
-     * @param part part to be inserted
-     * @throws NullPointerException when part is null
-     */
-    public void addPart(int index, PduPart part) {
-        if(null == part) {
-            throw new NullPointerException();
-        }
-
-        putPartToMaps(part);
-        mParts.add(index, part);
-    }
-
-    /**
-     * Removes the part at the specified position.
-     *
-     * @param index index of the part to return
-     * @return part at the specified index
-     */
-    public PduPart removePart(int index) {
-        return mParts.remove(index);
-    }
-
-    /**
-     * Remove all of the parts.
-     */
-    public void removeAll() {
-        mParts.clear();
-    }
-
-    /**
-     * Get the part at the specified position.
-     *
-     * @param index index of the part to return
-     * @return part at the specified index
-     */
-    public PduPart getPart(int index) {
-        return mParts.get(index);
-    }
-
-    /**
-     * Get the index of the specified part.
-     *
-     * @param part the part object
-     * @return index the index of the first occurrence of the part in this body
-     */
-    public int getPartIndex(PduPart part) {
-        return mParts.indexOf(part);
-    }
-
-    /**
-     * Get the number of parts.
-     *
-     * @return the number of parts
-     */
-    public int getPartsNum() {
-        return mParts.size();
-    }
-
-    /**
-     * Get pdu part by content id.
-     *
-     * @param cid the value of content id.
-     * @return the pdu part.
-     */
-    public PduPart getPartByContentId(String cid) {
-        return mPartMapByContentId.get(cid);
-    }
-
-    /**
-     * Get pdu part by Content-Location. Content-Location of part is
-     * the same as filename and name(param of content-type).
-     *
-     * @param fileName the value of filename.
-     * @return the pdu part.
-     */
-    public PduPart getPartByContentLocation(String contentLocation) {
-        return mPartMapByContentLocation.get(contentLocation);
-    }
-
-    /**
-     * Get pdu part by name.
-     *
-     * @param fileName the value of filename.
-     * @return the pdu part.
-     */
-    public PduPart getPartByName(String name) {
-        return mPartMapByName.get(name);
-    }
-
-    /**
-     * Get pdu part by filename.
-     *
-     * @param fileName the value of filename.
-     * @return the pdu part.
-     */
-    public PduPart getPartByFileName(String filename) {
-        return mPartMapByFileName.get(filename);
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/PduComposer.java b/src/java/com/google/android/mms/pdu/PduComposer.java
deleted file mode 100644
index bb44bab..0000000
--- a/src/java/com/google/android/mms/pdu/PduComposer.java
+++ /dev/null
@@ -1,1186 +0,0 @@
-/*
- * Copyright (C) 2007-2008 Esmertec AG.
- * Copyright (C) 2007-2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import android.content.ContentResolver;
-import android.content.Context;
-import android.util.Log;
-import android.text.TextUtils;
-
-import java.io.ByteArrayOutputStream;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Arrays;
-import java.util.HashMap;
-
-public class PduComposer {
-    /**
-     * Address type.
-     */
-    static private final int PDU_PHONE_NUMBER_ADDRESS_TYPE = 1;
-    static private final int PDU_EMAIL_ADDRESS_TYPE = 2;
-    static private final int PDU_IPV4_ADDRESS_TYPE = 3;
-    static private final int PDU_IPV6_ADDRESS_TYPE = 4;
-    static private final int PDU_UNKNOWN_ADDRESS_TYPE = 5;
-
-    /**
-     * Address regular expression string.
-     */
-    static final String REGEXP_PHONE_NUMBER_ADDRESS_TYPE = "\\+?[0-9|\\.|\\-]+";
-    static final String REGEXP_EMAIL_ADDRESS_TYPE = "[a-zA-Z| ]*\\<{0,1}[a-zA-Z| ]+@{1}" +
-            "[a-zA-Z| ]+\\.{1}[a-zA-Z| ]+\\>{0,1}";
-    static final String REGEXP_IPV6_ADDRESS_TYPE =
-        "[a-fA-F]{4}\\:{1}[a-fA-F0-9]{4}\\:{1}[a-fA-F0-9]{4}\\:{1}" +
-        "[a-fA-F0-9]{4}\\:{1}[a-fA-F0-9]{4}\\:{1}[a-fA-F0-9]{4}\\:{1}" +
-        "[a-fA-F0-9]{4}\\:{1}[a-fA-F0-9]{4}";
-    static final String REGEXP_IPV4_ADDRESS_TYPE = "[0-9]{1,3}\\.{1}[0-9]{1,3}\\.{1}" +
-            "[0-9]{1,3}\\.{1}[0-9]{1,3}";
-
-    /**
-     * The postfix strings of address.
-     */
-    static final String STRING_PHONE_NUMBER_ADDRESS_TYPE = "/TYPE=PLMN";
-    static final String STRING_IPV4_ADDRESS_TYPE = "/TYPE=IPV4";
-    static final String STRING_IPV6_ADDRESS_TYPE = "/TYPE=IPV6";
-
-    /**
-     * Error values.
-     */
-    static private final int PDU_COMPOSE_SUCCESS = 0;
-    static private final int PDU_COMPOSE_CONTENT_ERROR = 1;
-    static private final int PDU_COMPOSE_FIELD_NOT_SET = 2;
-    static private final int PDU_COMPOSE_FIELD_NOT_SUPPORTED = 3;
-
-    /**
-     * WAP values defined in WSP spec.
-     */
-    static private final int QUOTED_STRING_FLAG = 34;
-    static private final int END_STRING_FLAG = 0;
-    static private final int LENGTH_QUOTE = 31;
-    static private final int TEXT_MAX = 127;
-    static private final int SHORT_INTEGER_MAX = 127;
-    static private final int LONG_INTEGER_LENGTH_MAX = 8;
-
-    /**
-     * Block size when read data from InputStream.
-     */
-    static private final int PDU_COMPOSER_BLOCK_SIZE = 1024;
-
-    /**
-     * The output message.
-     */
-    protected ByteArrayOutputStream mMessage = null;
-
-    /**
-     * The PDU.
-     */
-    private GenericPdu mPdu = null;
-
-    /**
-     * Current visiting position of the mMessage.
-     */
-    protected int mPosition = 0;
-
-    /**
-     * Message compose buffer stack.
-     */
-    private BufferStack mStack = null;
-
-    /**
-     * Content resolver.
-     */
-    private final ContentResolver mResolver;
-
-    /**
-     * Header of this pdu.
-     */
-    private PduHeaders mPduHeader = null;
-
-    /**
-     * Map of all content type
-     */
-    private static HashMap<String, Integer> mContentTypeMap = null;
-
-    static {
-        mContentTypeMap = new HashMap<String, Integer>();
-
-        int i;
-        for (i = 0; i < PduContentTypes.contentTypes.length; i++) {
-            mContentTypeMap.put(PduContentTypes.contentTypes[i], i);
-        }
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param context the context
-     * @param pdu the pdu to be composed
-     */
-    public PduComposer(Context context, GenericPdu pdu) {
-        mPdu = pdu;
-        mResolver = context.getContentResolver();
-        mPduHeader = pdu.getPduHeaders();
-        mStack = new BufferStack();
-        mMessage = new ByteArrayOutputStream();
-        mPosition = 0;
-    }
-
-    /**
-     * Make the message. No need to check whether mandatory fields are set,
-     * because the constructors of outgoing pdus are taking care of this.
-     *
-     * @return OutputStream of maked message. Return null if
-     *         the PDU is invalid.
-     */
-    public byte[] make() {
-        // Get Message-type.
-        int type = mPdu.getMessageType();
-
-        /* make the message */
-        switch (type) {
-            case PduHeaders.MESSAGE_TYPE_SEND_REQ:
-                if (makeSendReqPdu() != PDU_COMPOSE_SUCCESS) {
-                    return null;
-                }
-                break;
-            case PduHeaders.MESSAGE_TYPE_NOTIFYRESP_IND:
-                if (makeNotifyResp() != PDU_COMPOSE_SUCCESS) {
-                    return null;
-                }
-                break;
-            case PduHeaders.MESSAGE_TYPE_ACKNOWLEDGE_IND:
-                if (makeAckInd() != PDU_COMPOSE_SUCCESS) {
-                    return null;
-                }
-                break;
-            case PduHeaders.MESSAGE_TYPE_READ_REC_IND:
-                if (makeReadRecInd() != PDU_COMPOSE_SUCCESS) {
-                    return null;
-                }
-                break;
-            default:
-                return null;
-        }
-
-        return mMessage.toByteArray();
-    }
-
-    /**
-     *  Copy buf to mMessage.
-     */
-    protected void arraycopy(byte[] buf, int pos, int length) {
-        mMessage.write(buf, pos, length);
-        mPosition = mPosition + length;
-    }
-
-    /**
-     * Append a byte to mMessage.
-     */
-    protected void append(int value) {
-        mMessage.write(value);
-        mPosition ++;
-    }
-
-    /**
-     * Append short integer value to mMessage.
-     * This implementation doesn't check the validity of parameter, since it
-     * assumes that the values are validated in the GenericPdu setter methods.
-     */
-    protected void appendShortInteger(int value) {
-        /*
-         * From WAP-230-WSP-20010705-a:
-         * Short-integer = OCTET
-         * ; Integers in range 0-127 shall be encoded as a one octet value
-         * ; with the most significant bit set to one (1xxx xxxx) and with
-         * ; the value in the remaining least significant bits.
-         * In our implementation, only low 7 bits are stored and otherwise
-         * bits are ignored.
-         */
-        append((value | 0x80) & 0xff);
-    }
-
-    /**
-     * Append an octet number between 128 and 255 into mMessage.
-     * NOTE:
-     * A value between 0 and 127 should be appended by using appendShortInteger.
-     * This implementation doesn't check the validity of parameter, since it
-     * assumes that the values are validated in the GenericPdu setter methods.
-     */
-    protected void appendOctet(int number) {
-        append(number);
-    }
-
-    /**
-     * Append a short length into mMessage.
-     * This implementation doesn't check the validity of parameter, since it
-     * assumes that the values are validated in the GenericPdu setter methods.
-     */
-    protected void appendShortLength(int value) {
-        /*
-         * From WAP-230-WSP-20010705-a:
-         * Short-length = <Any octet 0-30>
-         */
-        append(value);
-    }
-
-    /**
-     * Append long integer into mMessage. it's used for really long integers.
-     * This implementation doesn't check the validity of parameter, since it
-     * assumes that the values are validated in the GenericPdu setter methods.
-     */
-    protected void appendLongInteger(long longInt) {
-        /*
-         * From WAP-230-WSP-20010705-a:
-         * Long-integer = Short-length Multi-octet-integer
-         * ; The Short-length indicates the length of the Multi-octet-integer
-         * Multi-octet-integer = 1*30 OCTET
-         * ; The content octets shall be an unsigned integer value with the
-         * ; most significant octet encoded first (big-endian representation).
-         * ; The minimum number of octets must be used to encode the value.
-         */
-        int size;
-        long temp = longInt;
-
-        // Count the length of the long integer.
-        for(size = 0; (temp != 0) && (size < LONG_INTEGER_LENGTH_MAX); size++) {
-            temp = (temp >>> 8);
-        }
-
-        // Set Length.
-        appendShortLength(size);
-
-        // Count and set the long integer.
-        int i;
-        int shift = (size -1) * 8;
-
-        for (i = 0; i < size; i++) {
-            append((int)((longInt >>> shift) & 0xff));
-            shift = shift - 8;
-        }
-    }
-
-    /**
-     * Append text string into mMessage.
-     * This implementation doesn't check the validity of parameter, since it
-     * assumes that the values are validated in the GenericPdu setter methods.
-     */
-    protected void appendTextString(byte[] text) {
-        /*
-         * From WAP-230-WSP-20010705-a:
-         * Text-string = [Quote] *TEXT End-of-string
-         * ; If the first character in the TEXT is in the range of 128-255,
-         * ; a Quote character must precede it. Otherwise the Quote character
-         * ;must be omitted. The Quote is not part of the contents.
-         */
-        if (((text[0])&0xff) > TEXT_MAX) { // No need to check for <= 255
-            append(TEXT_MAX);
-        }
-
-        arraycopy(text, 0, text.length);
-        append(0);
-    }
-
-    /**
-     * Append text string into mMessage.
-     * This implementation doesn't check the validity of parameter, since it
-     * assumes that the values are validated in the GenericPdu setter methods.
-     */
-    protected void appendTextString(String str) {
-        /*
-         * From WAP-230-WSP-20010705-a:
-         * Text-string = [Quote] *TEXT End-of-string
-         * ; If the first character in the TEXT is in the range of 128-255,
-         * ; a Quote character must precede it. Otherwise the Quote character
-         * ;must be omitted. The Quote is not part of the contents.
-         */
-        appendTextString(str.getBytes());
-    }
-
-    /**
-     * Append encoded string value to mMessage.
-     * This implementation doesn't check the validity of parameter, since it
-     * assumes that the values are validated in the GenericPdu setter methods.
-     */
-    protected void appendEncodedString(EncodedStringValue enStr) {
-        /*
-         * From OMA-TS-MMS-ENC-V1_3-20050927-C:
-         * Encoded-string-value = Text-string | Value-length Char-set Text-string
-         */
-        assert(enStr != null);
-
-        int charset = enStr.getCharacterSet();
-        byte[] textString = enStr.getTextString();
-        if (null == textString) {
-            return;
-        }
-
-        /*
-         * In the implementation of EncodedStringValue, the charset field will
-         * never be 0. It will always be composed as
-         * Encoded-string-value = Value-length Char-set Text-string
-         */
-        mStack.newbuf();
-        PositionMarker start = mStack.mark();
-
-        appendShortInteger(charset);
-        appendTextString(textString);
-
-        int len = start.getLength();
-        mStack.pop();
-        appendValueLength(len);
-        mStack.copy();
-    }
-
-    /**
-     * Append uintvar integer into mMessage.
-     * This implementation doesn't check the validity of parameter, since it
-     * assumes that the values are validated in the GenericPdu setter methods.
-     */
-    protected void appendUintvarInteger(long value) {
-        /*
-         * From WAP-230-WSP-20010705-a:
-         * To encode a large unsigned integer, split it into 7-bit fragments
-         * and place them in the payloads of multiple octets. The most significant
-         * bits are placed in the first octets with the least significant bits
-         * ending up in the last octet. All octets MUST set the Continue bit to 1
-         * except the last octet, which MUST set the Continue bit to 0.
-         */
-        int i;
-        long max = SHORT_INTEGER_MAX;
-
-        for (i = 0; i < 5; i++) {
-            if (value < max) {
-                break;
-            }
-
-            max = (max << 7) | 0x7fl;
-        }
-
-        while(i > 0) {
-            long temp = value >>> (i * 7);
-            temp = temp & 0x7f;
-
-            append((int)((temp | 0x80) & 0xff));
-
-            i--;
-        }
-
-        append((int)(value & 0x7f));
-    }
-
-    /**
-     * Append date value into mMessage.
-     * This implementation doesn't check the validity of parameter, since it
-     * assumes that the values are validated in the GenericPdu setter methods.
-     */
-    protected void appendDateValue(long date) {
-        /*
-         * From OMA-TS-MMS-ENC-V1_3-20050927-C:
-         * Date-value = Long-integer
-         */
-        appendLongInteger(date);
-    }
-
-    /**
-     * Append value length to mMessage.
-     * This implementation doesn't check the validity of parameter, since it
-     * assumes that the values are validated in the GenericPdu setter methods.
-     */
-    protected void appendValueLength(long value) {
-        /*
-         * From WAP-230-WSP-20010705-a:
-         * Value-length = Short-length | (Length-quote Length)
-         * ; Value length is used to indicate the length of the value to follow
-         * Short-length = <Any octet 0-30>
-         * Length-quote = <Octet 31>
-         * Length = Uintvar-integer
-         */
-        if (value < LENGTH_QUOTE) {
-            appendShortLength((int) value);
-            return;
-        }
-
-        append(LENGTH_QUOTE);
-        appendUintvarInteger(value);
-    }
-
-    /**
-     * Append quoted string to mMessage.
-     * This implementation doesn't check the validity of parameter, since it
-     * assumes that the values are validated in the GenericPdu setter methods.
-     */
-    protected void appendQuotedString(byte[] text) {
-        /*
-         * From WAP-230-WSP-20010705-a:
-         * Quoted-string = <Octet 34> *TEXT End-of-string
-         * ;The TEXT encodes an RFC2616 Quoted-string with the enclosing
-         * ;quotation-marks <"> removed.
-         */
-        append(QUOTED_STRING_FLAG);
-        arraycopy(text, 0, text.length);
-        append(END_STRING_FLAG);
-    }
-
-    /**
-     * Append quoted string to mMessage.
-     * This implementation doesn't check the validity of parameter, since it
-     * assumes that the values are validated in the GenericPdu setter methods.
-     */
-    protected void appendQuotedString(String str) {
-        /*
-         * From WAP-230-WSP-20010705-a:
-         * Quoted-string = <Octet 34> *TEXT End-of-string
-         * ;The TEXT encodes an RFC2616 Quoted-string with the enclosing
-         * ;quotation-marks <"> removed.
-         */
-        appendQuotedString(str.getBytes());
-    }
-
-    private EncodedStringValue appendAddressType(EncodedStringValue address) {
-        EncodedStringValue temp = null;
-
-        try {
-            int addressType = checkAddressType(address.getString());
-            temp = EncodedStringValue.copy(address);
-            if (PDU_PHONE_NUMBER_ADDRESS_TYPE == addressType) {
-                // Phone number.
-                temp.appendTextString(STRING_PHONE_NUMBER_ADDRESS_TYPE.getBytes());
-            } else if (PDU_IPV4_ADDRESS_TYPE == addressType) {
-                // Ipv4 address.
-                temp.appendTextString(STRING_IPV4_ADDRESS_TYPE.getBytes());
-            } else if (PDU_IPV6_ADDRESS_TYPE == addressType) {
-                // Ipv6 address.
-                temp.appendTextString(STRING_IPV6_ADDRESS_TYPE.getBytes());
-            }
-        } catch (NullPointerException e) {
-            return null;
-        }
-
-        return temp;
-    }
-
-    /**
-     * Append header to mMessage.
-     */
-    private int appendHeader(int field) {
-        switch (field) {
-            case PduHeaders.MMS_VERSION:
-                appendOctet(field);
-
-                int version = mPduHeader.getOctet(field);
-                if (0 == version) {
-                    appendShortInteger(PduHeaders.CURRENT_MMS_VERSION);
-                } else {
-                    appendShortInteger(version);
-                }
-
-                break;
-
-            case PduHeaders.MESSAGE_ID:
-            case PduHeaders.TRANSACTION_ID:
-                byte[] textString = mPduHeader.getTextString(field);
-                if (null == textString) {
-                    return PDU_COMPOSE_FIELD_NOT_SET;
-                }
-
-                appendOctet(field);
-                appendTextString(textString);
-                break;
-
-            case PduHeaders.TO:
-            case PduHeaders.BCC:
-            case PduHeaders.CC:
-                EncodedStringValue[] addr = mPduHeader.getEncodedStringValues(field);
-
-                if (null == addr) {
-                    return PDU_COMPOSE_FIELD_NOT_SET;
-                }
-
-                EncodedStringValue temp;
-                for (int i = 0; i < addr.length; i++) {
-                    temp = appendAddressType(addr[i]);
-                    if (temp == null) {
-                        return PDU_COMPOSE_CONTENT_ERROR;
-                    }
-
-                    appendOctet(field);
-                    appendEncodedString(temp);
-                }
-                break;
-
-            case PduHeaders.FROM:
-                // Value-length (Address-present-token Encoded-string-value | Insert-address-token)
-                appendOctet(field);
-
-                EncodedStringValue from = mPduHeader.getEncodedStringValue(field);
-                if ((from == null)
-                        || TextUtils.isEmpty(from.getString())
-                        || new String(from.getTextString()).equals(
-                                PduHeaders.FROM_INSERT_ADDRESS_TOKEN_STR)) {
-                    // Length of from = 1
-                    append(1);
-                    // Insert-address-token = <Octet 129>
-                    append(PduHeaders.FROM_INSERT_ADDRESS_TOKEN);
-                } else {
-                    mStack.newbuf();
-                    PositionMarker fstart = mStack.mark();
-
-                    // Address-present-token = <Octet 128>
-                    append(PduHeaders.FROM_ADDRESS_PRESENT_TOKEN);
-
-                    temp = appendAddressType(from);
-                    if (temp == null) {
-                        return PDU_COMPOSE_CONTENT_ERROR;
-                    }
-
-                    appendEncodedString(temp);
-
-                    int flen = fstart.getLength();
-                    mStack.pop();
-                    appendValueLength(flen);
-                    mStack.copy();
-                }
-                break;
-
-            case PduHeaders.READ_STATUS:
-            case PduHeaders.STATUS:
-            case PduHeaders.REPORT_ALLOWED:
-            case PduHeaders.PRIORITY:
-            case PduHeaders.DELIVERY_REPORT:
-            case PduHeaders.READ_REPORT:
-                int octet = mPduHeader.getOctet(field);
-                if (0 == octet) {
-                    return PDU_COMPOSE_FIELD_NOT_SET;
-                }
-
-                appendOctet(field);
-                appendOctet(octet);
-                break;
-
-            case PduHeaders.DATE:
-                long date = mPduHeader.getLongInteger(field);
-                if (-1 == date) {
-                    return PDU_COMPOSE_FIELD_NOT_SET;
-                }
-
-                appendOctet(field);
-                appendDateValue(date);
-                break;
-
-            case PduHeaders.SUBJECT:
-                EncodedStringValue enString =
-                    mPduHeader.getEncodedStringValue(field);
-                if (null == enString) {
-                    return PDU_COMPOSE_FIELD_NOT_SET;
-                }
-
-                appendOctet(field);
-                appendEncodedString(enString);
-                break;
-
-            case PduHeaders.MESSAGE_CLASS:
-                byte[] messageClass = mPduHeader.getTextString(field);
-                if (null == messageClass) {
-                    return PDU_COMPOSE_FIELD_NOT_SET;
-                }
-
-                appendOctet(field);
-                if (Arrays.equals(messageClass,
-                        PduHeaders.MESSAGE_CLASS_ADVERTISEMENT_STR.getBytes())) {
-                    appendOctet(PduHeaders.MESSAGE_CLASS_ADVERTISEMENT);
-                } else if (Arrays.equals(messageClass,
-                        PduHeaders.MESSAGE_CLASS_AUTO_STR.getBytes())) {
-                    appendOctet(PduHeaders.MESSAGE_CLASS_AUTO);
-                } else if (Arrays.equals(messageClass,
-                        PduHeaders.MESSAGE_CLASS_PERSONAL_STR.getBytes())) {
-                    appendOctet(PduHeaders.MESSAGE_CLASS_PERSONAL);
-                } else if (Arrays.equals(messageClass,
-                        PduHeaders.MESSAGE_CLASS_INFORMATIONAL_STR.getBytes())) {
-                    appendOctet(PduHeaders.MESSAGE_CLASS_INFORMATIONAL);
-                } else {
-                    appendTextString(messageClass);
-                }
-                break;
-
-            case PduHeaders.EXPIRY:
-                long expiry = mPduHeader.getLongInteger(field);
-                if (-1 == expiry) {
-                    return PDU_COMPOSE_FIELD_NOT_SET;
-                }
-
-                appendOctet(field);
-
-                mStack.newbuf();
-                PositionMarker expiryStart = mStack.mark();
-
-                append(PduHeaders.VALUE_RELATIVE_TOKEN);
-                appendLongInteger(expiry);
-
-                int expiryLength = expiryStart.getLength();
-                mStack.pop();
-                appendValueLength(expiryLength);
-                mStack.copy();
-                break;
-
-            default:
-                return PDU_COMPOSE_FIELD_NOT_SUPPORTED;
-        }
-
-        return PDU_COMPOSE_SUCCESS;
-    }
-
-    /**
-     * Make ReadRec.Ind.
-     */
-    private int makeReadRecInd() {
-        if (mMessage == null) {
-            mMessage = new ByteArrayOutputStream();
-            mPosition = 0;
-        }
-
-        // X-Mms-Message-Type
-        appendOctet(PduHeaders.MESSAGE_TYPE);
-        appendOctet(PduHeaders.MESSAGE_TYPE_READ_REC_IND);
-
-        // X-Mms-MMS-Version
-        if (appendHeader(PduHeaders.MMS_VERSION) != PDU_COMPOSE_SUCCESS) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        // Message-ID
-        if (appendHeader(PduHeaders.MESSAGE_ID) != PDU_COMPOSE_SUCCESS) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        // To
-        if (appendHeader(PduHeaders.TO) != PDU_COMPOSE_SUCCESS) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        // From
-        if (appendHeader(PduHeaders.FROM) != PDU_COMPOSE_SUCCESS) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        // Date Optional
-        appendHeader(PduHeaders.DATE);
-
-        // X-Mms-Read-Status
-        if (appendHeader(PduHeaders.READ_STATUS) != PDU_COMPOSE_SUCCESS) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        // X-Mms-Applic-ID Optional(not support)
-        // X-Mms-Reply-Applic-ID Optional(not support)
-        // X-Mms-Aux-Applic-Info Optional(not support)
-
-        return PDU_COMPOSE_SUCCESS;
-    }
-
-    /**
-     * Make NotifyResp.Ind.
-     */
-    private int makeNotifyResp() {
-        if (mMessage == null) {
-            mMessage = new ByteArrayOutputStream();
-            mPosition = 0;
-        }
-
-        //    X-Mms-Message-Type
-        appendOctet(PduHeaders.MESSAGE_TYPE);
-        appendOctet(PduHeaders.MESSAGE_TYPE_NOTIFYRESP_IND);
-
-        // X-Mms-Transaction-ID
-        if (appendHeader(PduHeaders.TRANSACTION_ID) != PDU_COMPOSE_SUCCESS) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        // X-Mms-MMS-Version
-        if (appendHeader(PduHeaders.MMS_VERSION) != PDU_COMPOSE_SUCCESS) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        //  X-Mms-Status
-        if (appendHeader(PduHeaders.STATUS) != PDU_COMPOSE_SUCCESS) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        // X-Mms-Report-Allowed Optional (not support)
-        return PDU_COMPOSE_SUCCESS;
-    }
-
-    /**
-     * Make Acknowledge.Ind.
-     */
-    private int makeAckInd() {
-        if (mMessage == null) {
-            mMessage = new ByteArrayOutputStream();
-            mPosition = 0;
-        }
-
-        //    X-Mms-Message-Type
-        appendOctet(PduHeaders.MESSAGE_TYPE);
-        appendOctet(PduHeaders.MESSAGE_TYPE_ACKNOWLEDGE_IND);
-
-        // X-Mms-Transaction-ID
-        if (appendHeader(PduHeaders.TRANSACTION_ID) != PDU_COMPOSE_SUCCESS) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        //     X-Mms-MMS-Version
-        if (appendHeader(PduHeaders.MMS_VERSION) != PDU_COMPOSE_SUCCESS) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        // X-Mms-Report-Allowed Optional
-        appendHeader(PduHeaders.REPORT_ALLOWED);
-
-        return PDU_COMPOSE_SUCCESS;
-    }
-
-    /**
-     * Make Send.req.
-     */
-    private int makeSendReqPdu() {
-        if (mMessage == null) {
-            mMessage = new ByteArrayOutputStream();
-            mPosition = 0;
-        }
-
-        // X-Mms-Message-Type
-        appendOctet(PduHeaders.MESSAGE_TYPE);
-        appendOctet(PduHeaders.MESSAGE_TYPE_SEND_REQ);
-
-        // X-Mms-Transaction-ID
-        appendOctet(PduHeaders.TRANSACTION_ID);
-
-        byte[] trid = mPduHeader.getTextString(PduHeaders.TRANSACTION_ID);
-        if (trid == null) {
-            // Transaction-ID should be set(by Transaction) before make().
-            throw new IllegalArgumentException("Transaction-ID is null.");
-        }
-        appendTextString(trid);
-
-        //  X-Mms-MMS-Version
-        if (appendHeader(PduHeaders.MMS_VERSION) != PDU_COMPOSE_SUCCESS) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        // Date Date-value Optional.
-        appendHeader(PduHeaders.DATE);
-
-        // From
-        if (appendHeader(PduHeaders.FROM) != PDU_COMPOSE_SUCCESS) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        boolean recipient = false;
-
-        // To
-        if (appendHeader(PduHeaders.TO) != PDU_COMPOSE_CONTENT_ERROR) {
-            recipient = true;
-        }
-
-        // Cc
-        if (appendHeader(PduHeaders.CC) != PDU_COMPOSE_CONTENT_ERROR) {
-            recipient = true;
-        }
-
-        // Bcc
-        if (appendHeader(PduHeaders.BCC) != PDU_COMPOSE_CONTENT_ERROR) {
-            recipient = true;
-        }
-
-        // Need at least one of "cc", "bcc" and "to".
-        if (false == recipient) {
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        // Subject Optional
-        appendHeader(PduHeaders.SUBJECT);
-
-        // X-Mms-Message-Class Optional
-        // Message-class-value = Class-identifier | Token-text
-        appendHeader(PduHeaders.MESSAGE_CLASS);
-
-        // X-Mms-Expiry Optional
-        appendHeader(PduHeaders.EXPIRY);
-
-        // X-Mms-Priority Optional
-        appendHeader(PduHeaders.PRIORITY);
-
-        // X-Mms-Delivery-Report Optional
-        appendHeader(PduHeaders.DELIVERY_REPORT);
-
-        // X-Mms-Read-Report Optional
-        appendHeader(PduHeaders.READ_REPORT);
-
-        //    Content-Type
-        appendOctet(PduHeaders.CONTENT_TYPE);
-
-        //  Message body
-        return makeMessageBody();
-    }
-
-    /**
-     * Make message body.
-     */
-    private int makeMessageBody() {
-        // 1. add body informations
-        mStack.newbuf();  // Switching buffer because we need to
-
-        PositionMarker ctStart = mStack.mark();
-
-        // This contentTypeIdentifier should be used for type of attachment...
-        String contentType = new String(mPduHeader.getTextString(PduHeaders.CONTENT_TYPE));
-        Integer contentTypeIdentifier = mContentTypeMap.get(contentType);
-        if (contentTypeIdentifier == null) {
-            // content type is mandatory
-            return PDU_COMPOSE_CONTENT_ERROR;
-        }
-
-        appendShortInteger(contentTypeIdentifier.intValue());
-
-        // content-type parameter: start
-        PduBody body = ((SendReq) mPdu).getBody();
-        if (null == body || body.getPartsNum() == 0) {
-            // empty message
-            appendUintvarInteger(0);
-            mStack.pop();
-            mStack.copy();
-            return PDU_COMPOSE_SUCCESS;
-        }
-
-        PduPart part;
-        try {
-            part = body.getPart(0);
-
-            byte[] start = part.getContentId();
-            if (start != null) {
-                appendOctet(PduPart.P_DEP_START);
-                if (('<' == start[0]) && ('>' == start[start.length - 1])) {
-                    appendTextString(start);
-                } else {
-                    appendTextString("<" + new String(start) + ">");
-                }
-            }
-
-            // content-type parameter: type
-            appendOctet(PduPart.P_CT_MR_TYPE);
-            appendTextString(part.getContentType());
-        }
-        catch (ArrayIndexOutOfBoundsException e){
-            e.printStackTrace();
-        }
-
-        int ctLength = ctStart.getLength();
-        mStack.pop();
-        appendValueLength(ctLength);
-        mStack.copy();
-
-        // 3. add content
-        int partNum = body.getPartsNum();
-        appendUintvarInteger(partNum);
-        for (int i = 0; i < partNum; i++) {
-            part = body.getPart(i);
-            mStack.newbuf();  // Leaving space for header lengh and data length
-            PositionMarker attachment = mStack.mark();
-
-            mStack.newbuf();  // Leaving space for Content-Type length
-            PositionMarker contentTypeBegin = mStack.mark();
-
-            byte[] partContentType = part.getContentType();
-
-            if (partContentType == null) {
-                // content type is mandatory
-                return PDU_COMPOSE_CONTENT_ERROR;
-            }
-
-            // content-type value
-            Integer partContentTypeIdentifier =
-                mContentTypeMap.get(new String(partContentType));
-            if (partContentTypeIdentifier == null) {
-                appendTextString(partContentType);
-            } else {
-                appendShortInteger(partContentTypeIdentifier.intValue());
-            }
-
-            /* Content-type parameter : name.
-             * The value of name, filename, content-location is the same.
-             * Just one of them is enough for this PDU.
-             */
-            byte[] name = part.getName();
-
-            if (null == name) {
-                name = part.getFilename();
-
-                if (null == name) {
-                    name = part.getContentLocation();
-
-                    if (null == name) {
-                        /* at lease one of name, filename, Content-location
-                         * should be available.
-                         */
-                        return PDU_COMPOSE_CONTENT_ERROR;
-                    }
-                }
-            }
-            appendOctet(PduPart.P_DEP_NAME);
-            appendTextString(name);
-
-            // content-type parameter : charset
-            int charset = part.getCharset();
-            if (charset != 0) {
-                appendOctet(PduPart.P_CHARSET);
-                appendShortInteger(charset);
-            }
-
-            int contentTypeLength = contentTypeBegin.getLength();
-            mStack.pop();
-            appendValueLength(contentTypeLength);
-            mStack.copy();
-
-            // content id
-            byte[] contentId = part.getContentId();
-
-            if (null != contentId) {
-                appendOctet(PduPart.P_CONTENT_ID);
-                if (('<' == contentId[0]) && ('>' == contentId[contentId.length - 1])) {
-                    appendQuotedString(contentId);
-                } else {
-                    appendQuotedString("<" + new String(contentId) + ">");
-                }
-            }
-
-            // content-location
-            byte[] contentLocation = part.getContentLocation();
-            if (null != contentLocation) {
-            	appendOctet(PduPart.P_CONTENT_LOCATION);
-            	appendTextString(contentLocation);
-            }
-
-            // content
-            int headerLength = attachment.getLength();
-
-            int dataLength = 0; // Just for safety...
-            byte[] partData = part.getData();
-
-            if (partData != null) {
-                arraycopy(partData, 0, partData.length);
-                dataLength = partData.length;
-            } else {
-                InputStream cr = null;
-                try {
-                    byte[] buffer = new byte[PDU_COMPOSER_BLOCK_SIZE];
-                    cr = mResolver.openInputStream(part.getDataUri());
-                    int len = 0;
-                    while ((len = cr.read(buffer)) != -1) {
-                        mMessage.write(buffer, 0, len);
-                        mPosition += len;
-                        dataLength += len;
-                    }
-                } catch (FileNotFoundException e) {
-                    return PDU_COMPOSE_CONTENT_ERROR;
-                } catch (IOException e) {
-                    return PDU_COMPOSE_CONTENT_ERROR;
-                } catch (RuntimeException e) {
-                    return PDU_COMPOSE_CONTENT_ERROR;
-                } finally {
-                    if (cr != null) {
-                        try {
-                            cr.close();
-                        } catch (IOException e) {
-                        }
-                    }
-                }
-            }
-
-            if (dataLength != (attachment.getLength() - headerLength)) {
-                throw new RuntimeException("BUG: Length sanity check failed");
-            }
-
-            mStack.pop();
-            appendUintvarInteger(headerLength);
-            appendUintvarInteger(dataLength);
-            mStack.copy();
-        }
-
-        return PDU_COMPOSE_SUCCESS;
-    }
-
-    /**
-     *  Record current message informations.
-     */
-    static private class LengthRecordNode {
-        ByteArrayOutputStream currentMessage = null;
-        public int currentPosition = 0;
-
-        public LengthRecordNode next = null;
-    }
-
-    /**
-     * Mark current message position and stact size.
-     */
-    private class PositionMarker {
-        private int c_pos;   // Current position
-        private int currentStackSize;  // Current stack size
-
-        int getLength() {
-            // If these assert fails, likely that you are finding the
-            // size of buffer that is deep in BufferStack you can only
-            // find the length of the buffer that is on top
-            if (currentStackSize != mStack.stackSize) {
-                throw new RuntimeException("BUG: Invalid call to getLength()");
-            }
-
-            return mPosition - c_pos;
-        }
-    }
-
-    /**
-     * This implementation can be OPTIMIZED to use only
-     * 2 buffers. This optimization involves changing BufferStack
-     * only... Its usage (interface) will not change.
-     */
-    private class BufferStack {
-        private LengthRecordNode stack = null;
-        private LengthRecordNode toCopy = null;
-
-        int stackSize = 0;
-
-        /**
-         *  Create a new message buffer and push it into the stack.
-         */
-        void newbuf() {
-            // You can't create a new buff when toCopy != null
-            // That is after calling pop() and before calling copy()
-            // If you do, it is a bug
-            if (toCopy != null) {
-                throw new RuntimeException("BUG: Invalid newbuf() before copy()");
-            }
-
-            LengthRecordNode temp = new LengthRecordNode();
-
-            temp.currentMessage = mMessage;
-            temp.currentPosition = mPosition;
-
-            temp.next = stack;
-            stack = temp;
-
-            stackSize = stackSize + 1;
-
-            mMessage = new ByteArrayOutputStream();
-            mPosition = 0;
-        }
-
-        /**
-         *  Pop the message before and record current message in the stack.
-         */
-        void pop() {
-            ByteArrayOutputStream currentMessage = mMessage;
-            int currentPosition = mPosition;
-
-            mMessage = stack.currentMessage;
-            mPosition = stack.currentPosition;
-
-            toCopy = stack;
-            // Re using the top element of the stack to avoid memory allocation
-
-            stack = stack.next;
-            stackSize = stackSize - 1;
-
-            toCopy.currentMessage = currentMessage;
-            toCopy.currentPosition = currentPosition;
-        }
-
-        /**
-         *  Append current message to the message before.
-         */
-        void copy() {
-            arraycopy(toCopy.currentMessage.toByteArray(), 0,
-                    toCopy.currentPosition);
-
-            toCopy = null;
-        }
-
-        /**
-         *  Mark current message position
-         */
-        PositionMarker mark() {
-            PositionMarker m = new PositionMarker();
-
-            m.c_pos = mPosition;
-            m.currentStackSize = stackSize;
-
-            return m;
-        }
-    }
-
-    /**
-     * Check address type.
-     *
-     * @param address address string without the postfix stinng type,
-     *        such as "/TYPE=PLMN", "/TYPE=IPv6" and "/TYPE=IPv4"
-     * @return PDU_PHONE_NUMBER_ADDRESS_TYPE if it is phone number,
-     *         PDU_EMAIL_ADDRESS_TYPE if it is email address,
-     *         PDU_IPV4_ADDRESS_TYPE if it is ipv4 address,
-     *         PDU_IPV6_ADDRESS_TYPE if it is ipv6 address,
-     *         PDU_UNKNOWN_ADDRESS_TYPE if it is unknown.
-     */
-    protected static int checkAddressType(String address) {
-        /**
-         * From OMA-TS-MMS-ENC-V1_3-20050927-C.pdf, section 8.
-         * address = ( e-mail / device-address / alphanum-shortcode / num-shortcode)
-         * e-mail = mailbox; to the definition of mailbox as described in
-         * section 3.4 of [RFC2822], but excluding the
-         * obsolete definitions as indicated by the "obs-" prefix.
-         * device-address = ( global-phone-number "/TYPE=PLMN" )
-         * / ( ipv4 "/TYPE=IPv4" ) / ( ipv6 "/TYPE=IPv6" )
-         * / ( escaped-value "/TYPE=" address-type )
-         *
-         * global-phone-number = ["+"] 1*( DIGIT / written-sep )
-         * written-sep =("-"/".")
-         *
-         * ipv4 = 1*3DIGIT 3( "." 1*3DIGIT ) ; IPv4 address value
-         *
-         * ipv6 = 4HEXDIG 7( ":" 4HEXDIG ) ; IPv6 address per RFC 2373
-         */
-
-        if (null == address) {
-            return PDU_UNKNOWN_ADDRESS_TYPE;
-        }
-
-        if (address.matches(REGEXP_IPV4_ADDRESS_TYPE)) {
-            // Ipv4 address.
-            return PDU_IPV4_ADDRESS_TYPE;
-        }else if (address.matches(REGEXP_PHONE_NUMBER_ADDRESS_TYPE)) {
-            // Phone number.
-            return PDU_PHONE_NUMBER_ADDRESS_TYPE;
-        } else if (address.matches(REGEXP_EMAIL_ADDRESS_TYPE)) {
-            // Email address.
-            return PDU_EMAIL_ADDRESS_TYPE;
-        } else if (address.matches(REGEXP_IPV6_ADDRESS_TYPE)) {
-            // Ipv6 address.
-            return PDU_IPV6_ADDRESS_TYPE;
-        } else {
-            // Unknown address.
-            return PDU_UNKNOWN_ADDRESS_TYPE;
-        }
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/PduContentTypes.java b/src/java/com/google/android/mms/pdu/PduContentTypes.java
deleted file mode 100644
index 7799e0e..0000000
--- a/src/java/com/google/android/mms/pdu/PduContentTypes.java
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-public class PduContentTypes {
-    /**
-     * All content types. From:
-     * http://www.openmobilealliance.org/tech/omna/omna-wsp-content-type.htm
-     */
-    static final String[] contentTypes = {
-        "*/*",                                        /* 0x00 */
-        "text/*",                                     /* 0x01 */
-        "text/html",                                  /* 0x02 */
-        "text/plain",                                 /* 0x03 */
-        "text/x-hdml",                                /* 0x04 */
-        "text/x-ttml",                                /* 0x05 */
-        "text/x-vCalendar",                           /* 0x06 */
-        "text/x-vCard",                               /* 0x07 */
-        "text/vnd.wap.wml",                           /* 0x08 */
-        "text/vnd.wap.wmlscript",                     /* 0x09 */
-        "text/vnd.wap.wta-event",                     /* 0x0A */
-        "multipart/*",                                /* 0x0B */
-        "multipart/mixed",                            /* 0x0C */
-        "multipart/form-data",                        /* 0x0D */
-        "multipart/byterantes",                       /* 0x0E */
-        "multipart/alternative",                      /* 0x0F */
-        "application/*",                              /* 0x10 */
-        "application/java-vm",                        /* 0x11 */
-        "application/x-www-form-urlencoded",          /* 0x12 */
-        "application/x-hdmlc",                        /* 0x13 */
-        "application/vnd.wap.wmlc",                   /* 0x14 */
-        "application/vnd.wap.wmlscriptc",             /* 0x15 */
-        "application/vnd.wap.wta-eventc",             /* 0x16 */
-        "application/vnd.wap.uaprof",                 /* 0x17 */
-        "application/vnd.wap.wtls-ca-certificate",    /* 0x18 */
-        "application/vnd.wap.wtls-user-certificate",  /* 0x19 */
-        "application/x-x509-ca-cert",                 /* 0x1A */
-        "application/x-x509-user-cert",               /* 0x1B */
-        "image/*",                                    /* 0x1C */
-        "image/gif",                                  /* 0x1D */
-        "image/jpeg",                                 /* 0x1E */
-        "image/tiff",                                 /* 0x1F */
-        "image/png",                                  /* 0x20 */
-        "image/vnd.wap.wbmp",                         /* 0x21 */
-        "application/vnd.wap.multipart.*",            /* 0x22 */
-        "application/vnd.wap.multipart.mixed",        /* 0x23 */
-        "application/vnd.wap.multipart.form-data",    /* 0x24 */
-        "application/vnd.wap.multipart.byteranges",   /* 0x25 */
-        "application/vnd.wap.multipart.alternative",  /* 0x26 */
-        "application/xml",                            /* 0x27 */
-        "text/xml",                                   /* 0x28 */
-        "application/vnd.wap.wbxml",                  /* 0x29 */
-        "application/x-x968-cross-cert",              /* 0x2A */
-        "application/x-x968-ca-cert",                 /* 0x2B */
-        "application/x-x968-user-cert",               /* 0x2C */
-        "text/vnd.wap.si",                            /* 0x2D */
-        "application/vnd.wap.sic",                    /* 0x2E */
-        "text/vnd.wap.sl",                            /* 0x2F */
-        "application/vnd.wap.slc",                    /* 0x30 */
-        "text/vnd.wap.co",                            /* 0x31 */
-        "application/vnd.wap.coc",                    /* 0x32 */
-        "application/vnd.wap.multipart.related",      /* 0x33 */
-        "application/vnd.wap.sia",                    /* 0x34 */
-        "text/vnd.wap.connectivity-xml",              /* 0x35 */
-        "application/vnd.wap.connectivity-wbxml",     /* 0x36 */
-        "application/pkcs7-mime",                     /* 0x37 */
-        "application/vnd.wap.hashed-certificate",     /* 0x38 */
-        "application/vnd.wap.signed-certificate",     /* 0x39 */
-        "application/vnd.wap.cert-response",          /* 0x3A */
-        "application/xhtml+xml",                      /* 0x3B */
-        "application/wml+xml",                        /* 0x3C */
-        "text/css",                                   /* 0x3D */
-        "application/vnd.wap.mms-message",            /* 0x3E */
-        "application/vnd.wap.rollover-certificate",   /* 0x3F */
-        "application/vnd.wap.locc+wbxml",             /* 0x40 */
-        "application/vnd.wap.loc+xml",                /* 0x41 */
-        "application/vnd.syncml.dm+wbxml",            /* 0x42 */
-        "application/vnd.syncml.dm+xml",              /* 0x43 */
-        "application/vnd.syncml.notification",        /* 0x44 */
-        "application/vnd.wap.xhtml+xml",              /* 0x45 */
-        "application/vnd.wv.csp.cir",                 /* 0x46 */
-        "application/vnd.oma.dd+xml",                 /* 0x47 */
-        "application/vnd.oma.drm.message",            /* 0x48 */
-        "application/vnd.oma.drm.content",            /* 0x49 */
-        "application/vnd.oma.drm.rights+xml",         /* 0x4A */
-        "application/vnd.oma.drm.rights+wbxml",       /* 0x4B */
-        "application/vnd.wv.csp+xml",                 /* 0x4C */
-        "application/vnd.wv.csp+wbxml",               /* 0x4D */
-        "application/vnd.syncml.ds.notification",     /* 0x4E */
-        "audio/*",                                    /* 0x4F */
-        "video/*",                                    /* 0x50 */
-        "application/vnd.oma.dd2+xml",                /* 0x51 */
-        "application/mikey"                           /* 0x52 */
-    };
-}
diff --git a/src/java/com/google/android/mms/pdu/PduHeaders.java b/src/java/com/google/android/mms/pdu/PduHeaders.java
deleted file mode 100644
index 4313815..0000000
--- a/src/java/com/google/android/mms/pdu/PduHeaders.java
+++ /dev/null
@@ -1,721 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.InvalidHeaderValueException;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-
-public class PduHeaders {
-    /**
-     * All pdu header fields.
-     */
-    public static final int BCC                             = 0x81;
-    public static final int CC                              = 0x82;
-    public static final int CONTENT_LOCATION                = 0x83;
-    public static final int CONTENT_TYPE                    = 0x84;
-    public static final int DATE                            = 0x85;
-    public static final int DELIVERY_REPORT                 = 0x86;
-    public static final int DELIVERY_TIME                   = 0x87;
-    public static final int EXPIRY                          = 0x88;
-    public static final int FROM                            = 0x89;
-    public static final int MESSAGE_CLASS                   = 0x8A;
-    public static final int MESSAGE_ID                      = 0x8B;
-    public static final int MESSAGE_TYPE                    = 0x8C;
-    public static final int MMS_VERSION                     = 0x8D;
-    public static final int MESSAGE_SIZE                    = 0x8E;
-    public static final int PRIORITY                        = 0x8F;
-
-    public static final int READ_REPLY                      = 0x90;
-    public static final int READ_REPORT                     = 0x90;
-    public static final int REPORT_ALLOWED                  = 0x91;
-    public static final int RESPONSE_STATUS                 = 0x92;
-    public static final int RESPONSE_TEXT                   = 0x93;
-    public static final int SENDER_VISIBILITY               = 0x94;
-    public static final int STATUS                          = 0x95;
-    public static final int SUBJECT                         = 0x96;
-    public static final int TO                              = 0x97;
-    public static final int TRANSACTION_ID                  = 0x98;
-    public static final int RETRIEVE_STATUS                 = 0x99;
-    public static final int RETRIEVE_TEXT                   = 0x9A;
-    public static final int READ_STATUS                     = 0x9B;
-    public static final int REPLY_CHARGING                  = 0x9C;
-    public static final int REPLY_CHARGING_DEADLINE         = 0x9D;
-    public static final int REPLY_CHARGING_ID               = 0x9E;
-    public static final int REPLY_CHARGING_SIZE             = 0x9F;
-
-    public static final int PREVIOUSLY_SENT_BY              = 0xA0;
-    public static final int PREVIOUSLY_SENT_DATE            = 0xA1;
-    public static final int STORE                           = 0xA2;
-    public static final int MM_STATE                        = 0xA3;
-    public static final int MM_FLAGS                        = 0xA4;
-    public static final int STORE_STATUS                    = 0xA5;
-    public static final int STORE_STATUS_TEXT               = 0xA6;
-    public static final int STORED                          = 0xA7;
-    public static final int ATTRIBUTES                      = 0xA8;
-    public static final int TOTALS                          = 0xA9;
-    public static final int MBOX_TOTALS                     = 0xAA;
-    public static final int QUOTAS                          = 0xAB;
-    public static final int MBOX_QUOTAS                     = 0xAC;
-    public static final int MESSAGE_COUNT                   = 0xAD;
-    public static final int CONTENT                         = 0xAE;
-    public static final int START                           = 0xAF;
-
-    public static final int ADDITIONAL_HEADERS              = 0xB0;
-    public static final int DISTRIBUTION_INDICATOR          = 0xB1;
-    public static final int ELEMENT_DESCRIPTOR              = 0xB2;
-    public static final int LIMIT                           = 0xB3;
-    public static final int RECOMMENDED_RETRIEVAL_MODE      = 0xB4;
-    public static final int RECOMMENDED_RETRIEVAL_MODE_TEXT = 0xB5;
-    public static final int STATUS_TEXT                     = 0xB6;
-    public static final int APPLIC_ID                       = 0xB7;
-    public static final int REPLY_APPLIC_ID                 = 0xB8;
-    public static final int AUX_APPLIC_ID                   = 0xB9;
-    public static final int CONTENT_CLASS                   = 0xBA;
-    public static final int DRM_CONTENT                     = 0xBB;
-    public static final int ADAPTATION_ALLOWED              = 0xBC;
-    public static final int REPLACE_ID                      = 0xBD;
-    public static final int CANCEL_ID                       = 0xBE;
-    public static final int CANCEL_STATUS                   = 0xBF;
-
-    /**
-     * X-Mms-Message-Type field types.
-     */
-    public static final int MESSAGE_TYPE_SEND_REQ           = 0x80;
-    public static final int MESSAGE_TYPE_SEND_CONF          = 0x81;
-    public static final int MESSAGE_TYPE_NOTIFICATION_IND   = 0x82;
-    public static final int MESSAGE_TYPE_NOTIFYRESP_IND     = 0x83;
-    public static final int MESSAGE_TYPE_RETRIEVE_CONF      = 0x84;
-    public static final int MESSAGE_TYPE_ACKNOWLEDGE_IND    = 0x85;
-    public static final int MESSAGE_TYPE_DELIVERY_IND       = 0x86;
-    public static final int MESSAGE_TYPE_READ_REC_IND       = 0x87;
-    public static final int MESSAGE_TYPE_READ_ORIG_IND      = 0x88;
-    public static final int MESSAGE_TYPE_FORWARD_REQ        = 0x89;
-    public static final int MESSAGE_TYPE_FORWARD_CONF       = 0x8A;
-    public static final int MESSAGE_TYPE_MBOX_STORE_REQ     = 0x8B;
-    public static final int MESSAGE_TYPE_MBOX_STORE_CONF    = 0x8C;
-    public static final int MESSAGE_TYPE_MBOX_VIEW_REQ      = 0x8D;
-    public static final int MESSAGE_TYPE_MBOX_VIEW_CONF     = 0x8E;
-    public static final int MESSAGE_TYPE_MBOX_UPLOAD_REQ    = 0x8F;
-    public static final int MESSAGE_TYPE_MBOX_UPLOAD_CONF   = 0x90;
-    public static final int MESSAGE_TYPE_MBOX_DELETE_REQ    = 0x91;
-    public static final int MESSAGE_TYPE_MBOX_DELETE_CONF   = 0x92;
-    public static final int MESSAGE_TYPE_MBOX_DESCR         = 0x93;
-    public static final int MESSAGE_TYPE_DELETE_REQ         = 0x94;
-    public static final int MESSAGE_TYPE_DELETE_CONF        = 0x95;
-    public static final int MESSAGE_TYPE_CANCEL_REQ         = 0x96;
-    public static final int MESSAGE_TYPE_CANCEL_CONF        = 0x97;
-
-    /**
-     *  X-Mms-Delivery-Report |
-     *  X-Mms-Read-Report |
-     *  X-Mms-Report-Allowed |
-     *  X-Mms-Sender-Visibility |
-     *  X-Mms-Store |
-     *  X-Mms-Stored |
-     *  X-Mms-Totals |
-     *  X-Mms-Quotas |
-     *  X-Mms-Distribution-Indicator |
-     *  X-Mms-DRM-Content |
-     *  X-Mms-Adaptation-Allowed |
-     *  field types.
-     */
-    public static final int VALUE_YES                       = 0x80;
-    public static final int VALUE_NO                        = 0x81;
-
-    /**
-     *  Delivery-Time |
-     *  Expiry and Reply-Charging-Deadline |
-     *  field type components.
-     */
-    public static final int VALUE_ABSOLUTE_TOKEN            = 0x80;
-    public static final int VALUE_RELATIVE_TOKEN            = 0x81;
-
-    /**
-     * X-Mms-MMS-Version field types.
-     */
-    public static final int MMS_VERSION_1_3                 = ((1 << 4) | 3);
-    public static final int MMS_VERSION_1_2                 = ((1 << 4) | 2);
-    public static final int MMS_VERSION_1_1                 = ((1 << 4) | 1);
-    public static final int MMS_VERSION_1_0                 = ((1 << 4) | 0);
-
-    // Current version is 1.2.
-    public static final int CURRENT_MMS_VERSION             = MMS_VERSION_1_2;
-
-    /**
-     *  From field type components.
-     */
-    public static final int FROM_ADDRESS_PRESENT_TOKEN      = 0x80;
-    public static final int FROM_INSERT_ADDRESS_TOKEN       = 0x81;
-
-    public static final String FROM_ADDRESS_PRESENT_TOKEN_STR = "address-present-token";
-    public static final String FROM_INSERT_ADDRESS_TOKEN_STR = "insert-address-token";
-
-    /**
-     *  X-Mms-Status Field.
-     */
-    public static final int STATUS_EXPIRED                  = 0x80;
-    public static final int STATUS_RETRIEVED                = 0x81;
-    public static final int STATUS_REJECTED                 = 0x82;
-    public static final int STATUS_DEFERRED                 = 0x83;
-    public static final int STATUS_UNRECOGNIZED             = 0x84;
-    public static final int STATUS_INDETERMINATE            = 0x85;
-    public static final int STATUS_FORWARDED                = 0x86;
-    public static final int STATUS_UNREACHABLE              = 0x87;
-
-    /**
-     *  MM-Flags field type components.
-     */
-    public static final int MM_FLAGS_ADD_TOKEN              = 0x80;
-    public static final int MM_FLAGS_REMOVE_TOKEN           = 0x81;
-    public static final int MM_FLAGS_FILTER_TOKEN           = 0x82;
-
-    /**
-     *  X-Mms-Message-Class field types.
-     */
-    public static final int MESSAGE_CLASS_PERSONAL          = 0x80;
-    public static final int MESSAGE_CLASS_ADVERTISEMENT     = 0x81;
-    public static final int MESSAGE_CLASS_INFORMATIONAL     = 0x82;
-    public static final int MESSAGE_CLASS_AUTO              = 0x83;
-
-    public static final String MESSAGE_CLASS_PERSONAL_STR = "personal";
-    public static final String MESSAGE_CLASS_ADVERTISEMENT_STR = "advertisement";
-    public static final String MESSAGE_CLASS_INFORMATIONAL_STR = "informational";
-    public static final String MESSAGE_CLASS_AUTO_STR = "auto";
-
-    /**
-     *  X-Mms-Priority field types.
-     */
-    public static final int PRIORITY_LOW                    = 0x80;
-    public static final int PRIORITY_NORMAL                 = 0x81;
-    public static final int PRIORITY_HIGH                   = 0x82;
-
-    /**
-     *  X-Mms-Response-Status field types.
-     */
-    public static final int RESPONSE_STATUS_OK                   = 0x80;
-    public static final int RESPONSE_STATUS_ERROR_UNSPECIFIED    = 0x81;
-    public static final int RESPONSE_STATUS_ERROR_SERVICE_DENIED = 0x82;
-
-    public static final int RESPONSE_STATUS_ERROR_MESSAGE_FORMAT_CORRUPT     = 0x83;
-    public static final int RESPONSE_STATUS_ERROR_SENDING_ADDRESS_UNRESOLVED = 0x84;
-
-    public static final int RESPONSE_STATUS_ERROR_MESSAGE_NOT_FOUND    = 0x85;
-    public static final int RESPONSE_STATUS_ERROR_NETWORK_PROBLEM      = 0x86;
-    public static final int RESPONSE_STATUS_ERROR_CONTENT_NOT_ACCEPTED = 0x87;
-    public static final int RESPONSE_STATUS_ERROR_UNSUPPORTED_MESSAGE  = 0x88;
-    public static final int RESPONSE_STATUS_ERROR_TRANSIENT_FAILURE    = 0xC0;
-
-    public static final int RESPONSE_STATUS_ERROR_TRANSIENT_SENDNG_ADDRESS_UNRESOLVED = 0xC1;
-    public static final int RESPONSE_STATUS_ERROR_TRANSIENT_MESSAGE_NOT_FOUND         = 0xC2;
-    public static final int RESPONSE_STATUS_ERROR_TRANSIENT_NETWORK_PROBLEM           = 0xC3;
-    public static final int RESPONSE_STATUS_ERROR_TRANSIENT_PARTIAL_SUCCESS           = 0xC4;
-
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_FAILURE                             = 0xE0;
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_SERVICE_DENIED                      = 0xE1;
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_MESSAGE_FORMAT_CORRUPT              = 0xE2;
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_SENDING_ADDRESS_UNRESOLVED          = 0xE3;
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_MESSAGE_NOT_FOUND                   = 0xE4;
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_CONTENT_NOT_ACCEPTED                = 0xE5;
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_REPLY_CHARGING_LIMITATIONS_NOT_MET  = 0xE6;
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_REPLY_CHARGING_REQUEST_NOT_ACCEPTED = 0xE6;
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_REPLY_CHARGING_FORWARDING_DENIED    = 0xE8;
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_REPLY_CHARGING_NOT_SUPPORTED        = 0xE9;
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_ADDRESS_HIDING_NOT_SUPPORTED        = 0xEA;
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_LACK_OF_PREPAID                     = 0xEB;
-    public static final int RESPONSE_STATUS_ERROR_PERMANENT_END                                 = 0xFF;
-
-    /**
-     *  X-Mms-Retrieve-Status field types.
-     */
-    public static final int RETRIEVE_STATUS_OK                                  = 0x80;
-    public static final int RETRIEVE_STATUS_ERROR_TRANSIENT_FAILURE             = 0xC0;
-    public static final int RETRIEVE_STATUS_ERROR_TRANSIENT_MESSAGE_NOT_FOUND   = 0xC1;
-    public static final int RETRIEVE_STATUS_ERROR_TRANSIENT_NETWORK_PROBLEM     = 0xC2;
-    public static final int RETRIEVE_STATUS_ERROR_PERMANENT_FAILURE             = 0xE0;
-    public static final int RETRIEVE_STATUS_ERROR_PERMANENT_SERVICE_DENIED      = 0xE1;
-    public static final int RETRIEVE_STATUS_ERROR_PERMANENT_MESSAGE_NOT_FOUND   = 0xE2;
-    public static final int RETRIEVE_STATUS_ERROR_PERMANENT_CONTENT_UNSUPPORTED = 0xE3;
-    public static final int RETRIEVE_STATUS_ERROR_END                           = 0xFF;
-
-    /**
-     *  X-Mms-Sender-Visibility field types.
-     */
-    public static final int SENDER_VISIBILITY_HIDE          = 0x80;
-    public static final int SENDER_VISIBILITY_SHOW          = 0x81;
-
-    /**
-     *  X-Mms-Read-Status field types.
-     */
-    public static final int READ_STATUS_READ                        = 0x80;
-    public static final int READ_STATUS__DELETED_WITHOUT_BEING_READ = 0x81;
-
-    /**
-     *  X-Mms-Cancel-Status field types.
-     */
-    public static final int CANCEL_STATUS_REQUEST_SUCCESSFULLY_RECEIVED = 0x80;
-    public static final int CANCEL_STATUS_REQUEST_CORRUPTED             = 0x81;
-
-    /**
-     *  X-Mms-Reply-Charging field types.
-     */
-    public static final int REPLY_CHARGING_REQUESTED           = 0x80;
-    public static final int REPLY_CHARGING_REQUESTED_TEXT_ONLY = 0x81;
-    public static final int REPLY_CHARGING_ACCEPTED            = 0x82;
-    public static final int REPLY_CHARGING_ACCEPTED_TEXT_ONLY  = 0x83;
-
-    /**
-     *  X-Mms-MM-State field types.
-     */
-    public static final int MM_STATE_DRAFT                  = 0x80;
-    public static final int MM_STATE_SENT                   = 0x81;
-    public static final int MM_STATE_NEW                    = 0x82;
-    public static final int MM_STATE_RETRIEVED              = 0x83;
-    public static final int MM_STATE_FORWARDED              = 0x84;
-
-    /**
-     * X-Mms-Recommended-Retrieval-Mode field types.
-     */
-    public static final int RECOMMENDED_RETRIEVAL_MODE_MANUAL = 0x80;
-
-    /**
-     *  X-Mms-Content-Class field types.
-     */
-    public static final int CONTENT_CLASS_TEXT              = 0x80;
-    public static final int CONTENT_CLASS_IMAGE_BASIC       = 0x81;
-    public static final int CONTENT_CLASS_IMAGE_RICH        = 0x82;
-    public static final int CONTENT_CLASS_VIDEO_BASIC       = 0x83;
-    public static final int CONTENT_CLASS_VIDEO_RICH        = 0x84;
-    public static final int CONTENT_CLASS_MEGAPIXEL         = 0x85;
-    public static final int CONTENT_CLASS_CONTENT_BASIC     = 0x86;
-    public static final int CONTENT_CLASS_CONTENT_RICH      = 0x87;
-
-    /**
-     *  X-Mms-Store-Status field types.
-     */
-    public static final int STORE_STATUS_SUCCESS                                = 0x80;
-    public static final int STORE_STATUS_ERROR_TRANSIENT_FAILURE                = 0xC0;
-    public static final int STORE_STATUS_ERROR_TRANSIENT_NETWORK_PROBLEM        = 0xC1;
-    public static final int STORE_STATUS_ERROR_PERMANENT_FAILURE                = 0xE0;
-    public static final int STORE_STATUS_ERROR_PERMANENT_SERVICE_DENIED         = 0xE1;
-    public static final int STORE_STATUS_ERROR_PERMANENT_MESSAGE_FORMAT_CORRUPT = 0xE2;
-    public static final int STORE_STATUS_ERROR_PERMANENT_MESSAGE_NOT_FOUND      = 0xE3;
-    public static final int STORE_STATUS_ERROR_PERMANENT_MMBOX_FULL             = 0xE4;
-    public static final int STORE_STATUS_ERROR_END                              = 0xFF;
-
-    /**
-     * The map contains the value of all headers.
-     */
-    private HashMap<Integer, Object> mHeaderMap = null;
-
-    /**
-     * Constructor of PduHeaders.
-     */
-    public PduHeaders() {
-        mHeaderMap = new HashMap<Integer, Object>();
-    }
-
-    /**
-     * Get octet value by header field.
-     *
-     * @param field the field
-     * @return the octet value of the pdu header
-     *          with specified header field. Return 0 if
-     *          the value is not set.
-     */
-    protected int getOctet(int field) {
-        Integer octet = (Integer) mHeaderMap.get(field);
-        if (null == octet) {
-            return 0;
-        }
-
-        return octet;
-    }
-
-    /**
-     * Set octet value to pdu header by header field.
-     *
-     * @param value the value
-     * @param field the field
-     * @throws InvalidHeaderValueException if the value is invalid.
-     */
-    protected void setOctet(int value, int field)
-            throws InvalidHeaderValueException{
-        /**
-         * Check whether this field can be set for specific
-         * header and check validity of the field.
-         */
-        switch (field) {
-            case REPORT_ALLOWED:
-            case ADAPTATION_ALLOWED:
-            case DELIVERY_REPORT:
-            case DRM_CONTENT:
-            case DISTRIBUTION_INDICATOR:
-            case QUOTAS:
-            case READ_REPORT:
-            case STORE:
-            case STORED:
-            case TOTALS:
-            case SENDER_VISIBILITY:
-                if ((VALUE_YES != value) && (VALUE_NO != value)) {
-                    // Invalid value.
-                    throw new InvalidHeaderValueException("Invalid Octet value!");
-                }
-                break;
-            case READ_STATUS:
-                if ((READ_STATUS_READ != value) &&
-                        (READ_STATUS__DELETED_WITHOUT_BEING_READ != value)) {
-                    // Invalid value.
-                    throw new InvalidHeaderValueException("Invalid Octet value!");
-                }
-                break;
-            case CANCEL_STATUS:
-                if ((CANCEL_STATUS_REQUEST_SUCCESSFULLY_RECEIVED != value) &&
-                        (CANCEL_STATUS_REQUEST_CORRUPTED != value)) {
-                    // Invalid value.
-                    throw new InvalidHeaderValueException("Invalid Octet value!");
-                }
-                break;
-            case PRIORITY:
-                if ((value < PRIORITY_LOW) || (value > PRIORITY_HIGH)) {
-                    // Invalid value.
-                    throw new InvalidHeaderValueException("Invalid Octet value!");
-                }
-                break;
-            case STATUS:
-                if ((value < STATUS_EXPIRED) || (value > STATUS_UNREACHABLE)) {
-                    // Invalid value.
-                    throw new InvalidHeaderValueException("Invalid Octet value!");
-                }
-                break;
-            case REPLY_CHARGING:
-                if ((value < REPLY_CHARGING_REQUESTED)
-                        || (value > REPLY_CHARGING_ACCEPTED_TEXT_ONLY)) {
-                    // Invalid value.
-                    throw new InvalidHeaderValueException("Invalid Octet value!");
-                }
-                break;
-            case MM_STATE:
-                if ((value < MM_STATE_DRAFT) || (value > MM_STATE_FORWARDED)) {
-                    // Invalid value.
-                    throw new InvalidHeaderValueException("Invalid Octet value!");
-                }
-                break;
-            case RECOMMENDED_RETRIEVAL_MODE:
-                if (RECOMMENDED_RETRIEVAL_MODE_MANUAL != value) {
-                    // Invalid value.
-                    throw new InvalidHeaderValueException("Invalid Octet value!");
-                }
-                break;
-            case CONTENT_CLASS:
-                if ((value < CONTENT_CLASS_TEXT)
-                        || (value > CONTENT_CLASS_CONTENT_RICH)) {
-                    // Invalid value.
-                    throw new InvalidHeaderValueException("Invalid Octet value!");
-                }
-                break;
-            case RETRIEVE_STATUS:
-                // According to oma-ts-mms-enc-v1_3, section 7.3.50, we modify the invalid value.
-                if ((value > RETRIEVE_STATUS_ERROR_TRANSIENT_NETWORK_PROBLEM) &&
-                        (value < RETRIEVE_STATUS_ERROR_PERMANENT_FAILURE)) {
-                    value = RETRIEVE_STATUS_ERROR_TRANSIENT_FAILURE;
-                } else if ((value > RETRIEVE_STATUS_ERROR_PERMANENT_CONTENT_UNSUPPORTED) &&
-                        (value <= RETRIEVE_STATUS_ERROR_END)) {
-                    value = RETRIEVE_STATUS_ERROR_PERMANENT_FAILURE;
-                } else if ((value < RETRIEVE_STATUS_OK) ||
-                        ((value > RETRIEVE_STATUS_OK) &&
-                                (value < RETRIEVE_STATUS_ERROR_TRANSIENT_FAILURE)) ||
-                                (value > RETRIEVE_STATUS_ERROR_END)) {
-                    value = RETRIEVE_STATUS_ERROR_PERMANENT_FAILURE;
-                }
-                break;
-            case STORE_STATUS:
-                // According to oma-ts-mms-enc-v1_3, section 7.3.58, we modify the invalid value.
-                if ((value > STORE_STATUS_ERROR_TRANSIENT_NETWORK_PROBLEM) &&
-                        (value < STORE_STATUS_ERROR_PERMANENT_FAILURE)) {
-                    value = STORE_STATUS_ERROR_TRANSIENT_FAILURE;
-                } else if ((value > STORE_STATUS_ERROR_PERMANENT_MMBOX_FULL) &&
-                        (value <= STORE_STATUS_ERROR_END)) {
-                    value = STORE_STATUS_ERROR_PERMANENT_FAILURE;
-                } else if ((value < STORE_STATUS_SUCCESS) ||
-                        ((value > STORE_STATUS_SUCCESS) &&
-                                (value < STORE_STATUS_ERROR_TRANSIENT_FAILURE)) ||
-                                (value > STORE_STATUS_ERROR_END)) {
-                    value = STORE_STATUS_ERROR_PERMANENT_FAILURE;
-                }
-                break;
-            case RESPONSE_STATUS:
-                // According to oma-ts-mms-enc-v1_3, section 7.3.48, we modify the invalid value.
-                if ((value > RESPONSE_STATUS_ERROR_TRANSIENT_PARTIAL_SUCCESS) &&
-                        (value < RESPONSE_STATUS_ERROR_PERMANENT_FAILURE)) {
-                    value = RESPONSE_STATUS_ERROR_TRANSIENT_FAILURE;
-                } else if (((value > RESPONSE_STATUS_ERROR_PERMANENT_LACK_OF_PREPAID) &&
-                        (value <= RESPONSE_STATUS_ERROR_PERMANENT_END)) ||
-                        (value < RESPONSE_STATUS_OK) ||
-                        ((value > RESPONSE_STATUS_ERROR_UNSUPPORTED_MESSAGE) &&
-                                (value < RESPONSE_STATUS_ERROR_TRANSIENT_FAILURE)) ||
-                                (value > RESPONSE_STATUS_ERROR_PERMANENT_END)) {
-                    value = RESPONSE_STATUS_ERROR_PERMANENT_FAILURE;
-                }
-                break;
-            case MMS_VERSION:
-                if ((value < MMS_VERSION_1_0)|| (value > MMS_VERSION_1_3)) {
-                    value = CURRENT_MMS_VERSION; // Current version is the default value.
-                }
-                break;
-            case MESSAGE_TYPE:
-                if ((value < MESSAGE_TYPE_SEND_REQ) || (value > MESSAGE_TYPE_CANCEL_CONF)) {
-                    // Invalid value.
-                    throw new InvalidHeaderValueException("Invalid Octet value!");
-                }
-                break;
-            default:
-                // This header value should not be Octect.
-                throw new RuntimeException("Invalid header field!");
-        }
-        mHeaderMap.put(field, value);
-    }
-
-    /**
-     * Get TextString value by header field.
-     *
-     * @param field the field
-     * @return the TextString value of the pdu header
-     *          with specified header field
-     */
-    protected byte[] getTextString(int field) {
-        return (byte[]) mHeaderMap.get(field);
-    }
-
-    /**
-     * Set TextString value to pdu header by header field.
-     *
-     * @param value the value
-     * @param field the field
-     * @return the TextString value of the pdu header
-     *          with specified header field
-     * @throws NullPointerException if the value is null.
-     */
-    protected void setTextString(byte[] value, int field) {
-        /**
-         * Check whether this field can be set for specific
-         * header and check validity of the field.
-         */
-        if (null == value) {
-            throw new NullPointerException();
-        }
-
-        switch (field) {
-            case TRANSACTION_ID:
-            case REPLY_CHARGING_ID:
-            case AUX_APPLIC_ID:
-            case APPLIC_ID:
-            case REPLY_APPLIC_ID:
-            case MESSAGE_ID:
-            case REPLACE_ID:
-            case CANCEL_ID:
-            case CONTENT_LOCATION:
-            case MESSAGE_CLASS:
-            case CONTENT_TYPE:
-                break;
-            default:
-                // This header value should not be Text-String.
-                throw new RuntimeException("Invalid header field!");
-        }
-        mHeaderMap.put(field, value);
-    }
-
-    /**
-     * Get EncodedStringValue value by header field.
-     *
-     * @param field the field
-     * @return the EncodedStringValue value of the pdu header
-     *          with specified header field
-     */
-    protected EncodedStringValue getEncodedStringValue(int field) {
-        return (EncodedStringValue) mHeaderMap.get(field);
-    }
-
-    /**
-     * Get TO, CC or BCC header value.
-     *
-     * @param field the field
-     * @return the EncodeStringValue array of the pdu header
-     *          with specified header field
-     */
-    protected EncodedStringValue[] getEncodedStringValues(int field) {
-        ArrayList<EncodedStringValue> list =
-                (ArrayList<EncodedStringValue>) mHeaderMap.get(field);
-        if (null == list) {
-            return null;
-        }
-        EncodedStringValue[] values = new EncodedStringValue[list.size()];
-        return list.toArray(values);
-    }
-
-    /**
-     * Set EncodedStringValue value to pdu header by header field.
-     *
-     * @param value the value
-     * @param field the field
-     * @return the EncodedStringValue value of the pdu header
-     *          with specified header field
-     * @throws NullPointerException if the value is null.
-     */
-    protected void setEncodedStringValue(EncodedStringValue value, int field) {
-        /**
-         * Check whether this field can be set for specific
-         * header and check validity of the field.
-         */
-        if (null == value) {
-            throw new NullPointerException();
-        }
-
-        switch (field) {
-            case SUBJECT:
-            case RECOMMENDED_RETRIEVAL_MODE_TEXT:
-            case RETRIEVE_TEXT:
-            case STATUS_TEXT:
-            case STORE_STATUS_TEXT:
-            case RESPONSE_TEXT:
-            case FROM:
-            case PREVIOUSLY_SENT_BY:
-            case MM_FLAGS:
-                break;
-            default:
-                // This header value should not be Encoded-String-Value.
-                throw new RuntimeException("Invalid header field!");
-        }
-
-        mHeaderMap.put(field, value);
-    }
-
-    /**
-     * Set TO, CC or BCC header value.
-     *
-     * @param value the value
-     * @param field the field
-     * @return the EncodedStringValue value array of the pdu header
-     *          with specified header field
-     * @throws NullPointerException if the value is null.
-     */
-    protected void setEncodedStringValues(EncodedStringValue[] value, int field) {
-        /**
-         * Check whether this field can be set for specific
-         * header and check validity of the field.
-         */
-        if (null == value) {
-            throw new NullPointerException();
-        }
-
-        switch (field) {
-            case BCC:
-            case CC:
-            case TO:
-                break;
-            default:
-                // This header value should not be Encoded-String-Value.
-                throw new RuntimeException("Invalid header field!");
-        }
-
-        ArrayList<EncodedStringValue> list = new ArrayList<EncodedStringValue>();
-        for (int i = 0; i < value.length; i++) {
-            list.add(value[i]);
-        }
-        mHeaderMap.put(field, list);
-    }
-
-    /**
-     * Append one EncodedStringValue to another.
-     *
-     * @param value the EncodedStringValue to append
-     * @param field the field
-     * @throws NullPointerException if the value is null.
-     */
-    protected void appendEncodedStringValue(EncodedStringValue value,
-                                    int field) {
-        if (null == value) {
-            throw new NullPointerException();
-        }
-
-        switch (field) {
-            case BCC:
-            case CC:
-            case TO:
-                break;
-            default:
-                throw new RuntimeException("Invalid header field!");
-        }
-
-        ArrayList<EncodedStringValue> list =
-            (ArrayList<EncodedStringValue>) mHeaderMap.get(field);
-        if (null == list) {
-            list  = new ArrayList<EncodedStringValue>();
-        }
-        list.add(value);
-        mHeaderMap.put(field, list);
-    }
-
-    /**
-     * Get LongInteger value by header field.
-     *
-     * @param field the field
-     * @return the LongInteger value of the pdu header
-     *          with specified header field. if return -1, the
-     *          field is not existed in pdu header.
-     */
-    protected long getLongInteger(int field) {
-        Long longInteger = (Long) mHeaderMap.get(field);
-        if (null == longInteger) {
-            return -1;
-        }
-
-        return longInteger.longValue();
-    }
-
-    /**
-     * Set LongInteger value to pdu header by header field.
-     *
-     * @param value the value
-     * @param field the field
-     */
-    protected void setLongInteger(long value, int field) {
-        /**
-         * Check whether this field can be set for specific
-         * header and check validity of the field.
-         */
-        switch (field) {
-            case DATE:
-            case REPLY_CHARGING_SIZE:
-            case MESSAGE_SIZE:
-            case MESSAGE_COUNT:
-            case START:
-            case LIMIT:
-            case DELIVERY_TIME:
-            case EXPIRY:
-            case REPLY_CHARGING_DEADLINE:
-            case PREVIOUSLY_SENT_DATE:
-                break;
-            default:
-                // This header value should not be LongInteger.
-                throw new RuntimeException("Invalid header field!");
-        }
-        mHeaderMap.put(field, value);
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/PduParser.java b/src/java/com/google/android/mms/pdu/PduParser.java
deleted file mode 100755
index 6dabc76..0000000
--- a/src/java/com/google/android/mms/pdu/PduParser.java
+++ /dev/null
@@ -1,2007 +0,0 @@
-/*
- * Copyright (C) 2007-2008 Esmertec AG.
- * Copyright (C) 2007-2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.ContentType;
-import com.google.android.mms.InvalidHeaderValueException;
-import com.google.android.mms.pdu.EncodedStringValue;
-
-import android.util.Log;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.UnsupportedEncodingException;
-import java.util.Arrays;
-import java.util.HashMap;
-
-import android.content.res.Resources;
-
-public class PduParser {
-    /**
-     *  The next are WAP values defined in WSP specification.
-     */
-    private static final int QUOTE = 127;
-    private static final int LENGTH_QUOTE = 31;
-    private static final int TEXT_MIN = 32;
-    private static final int TEXT_MAX = 127;
-    private static final int SHORT_INTEGER_MAX = 127;
-    private static final int SHORT_LENGTH_MAX = 30;
-    private static final int LONG_INTEGER_LENGTH_MAX = 8;
-    private static final int QUOTED_STRING_FLAG = 34;
-    private static final int END_STRING_FLAG = 0x00;
-    //The next two are used by the interface "parseWapString" to
-    //distinguish Text-String and Quoted-String.
-    private static final int TYPE_TEXT_STRING = 0;
-    private static final int TYPE_QUOTED_STRING = 1;
-    private static final int TYPE_TOKEN_STRING = 2;
-
-    /**
-     * Specify the part position.
-     */
-    private static final int THE_FIRST_PART = 0;
-    private static final int THE_LAST_PART = 1;
-
-    /**
-     * The pdu data.
-     */
-    private ByteArrayInputStream mPduDataStream = null;
-
-    /**
-     * Store pdu headers
-     */
-    private PduHeaders mHeaders = null;
-
-    /**
-     * Store pdu parts.
-     */
-    private PduBody mBody = null;
-
-    /**
-     * Store the "type" parameter in "Content-Type" header field.
-     */
-    private static byte[] mTypeParam = null;
-
-    /**
-     * Store the "start" parameter in "Content-Type" header field.
-     */
-    private static byte[] mStartParam = null;
-
-    /**
-     * The log tag.
-     */
-    private static final String LOG_TAG = "PduParser";
-    private static final boolean DEBUG = false;
-    private static final boolean LOCAL_LOGV = false;
-
-    /**
-     * Constructor.
-     *
-     * @param pduDataStream pdu data to be parsed
-     */
-    public PduParser(byte[] pduDataStream) {
-        mPduDataStream = new ByteArrayInputStream(pduDataStream);
-    }
-
-    /**
-     * Parse the pdu.
-     *
-     * @return the pdu structure if parsing successfully.
-     *         null if parsing error happened or mandatory fields are not set.
-     */
-    public GenericPdu parse(){
-        if (mPduDataStream == null) {
-            return null;
-        }
-
-        /* parse headers */
-        mHeaders = parseHeaders(mPduDataStream);
-        if (null == mHeaders) {
-            // Parse headers failed.
-            return null;
-        }
-
-        /* get the message type */
-        int messageType = mHeaders.getOctet(PduHeaders.MESSAGE_TYPE);
-
-        /* check mandatory header fields */
-        if (false == checkMandatoryHeader(mHeaders)) {
-            log("check mandatory headers failed!");
-            return null;
-        }
-
-        if ((PduHeaders.MESSAGE_TYPE_SEND_REQ == messageType) ||
-                (PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF == messageType)) {
-            /* need to parse the parts */
-            mBody = parseParts(mPduDataStream);
-            if (null == mBody) {
-                // Parse parts failed.
-                return null;
-            }
-        }
-
-        switch (messageType) {
-            case PduHeaders.MESSAGE_TYPE_SEND_REQ:
-                if (LOCAL_LOGV) {
-                    Log.v(LOG_TAG, "parse: MESSAGE_TYPE_SEND_REQ");
-                }
-                SendReq sendReq = new SendReq(mHeaders, mBody);
-                return sendReq;
-            case PduHeaders.MESSAGE_TYPE_SEND_CONF:
-                if (LOCAL_LOGV) {
-                    Log.v(LOG_TAG, "parse: MESSAGE_TYPE_SEND_CONF");
-                }
-                SendConf sendConf = new SendConf(mHeaders);
-                return sendConf;
-            case PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND:
-                if (LOCAL_LOGV) {
-                    Log.v(LOG_TAG, "parse: MESSAGE_TYPE_NOTIFICATION_IND");
-                }
-                NotificationInd notificationInd =
-                    new NotificationInd(mHeaders);
-                return notificationInd;
-            case PduHeaders.MESSAGE_TYPE_NOTIFYRESP_IND:
-                if (LOCAL_LOGV) {
-                    Log.v(LOG_TAG, "parse: MESSAGE_TYPE_NOTIFYRESP_IND");
-                }
-                NotifyRespInd notifyRespInd =
-                    new NotifyRespInd(mHeaders);
-                return notifyRespInd;
-            case PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF:
-                if (LOCAL_LOGV) {
-                    Log.v(LOG_TAG, "parse: MESSAGE_TYPE_RETRIEVE_CONF");
-                }
-                RetrieveConf retrieveConf =
-                    new RetrieveConf(mHeaders, mBody);
-
-                byte[] contentType = retrieveConf.getContentType();
-                if (null == contentType) {
-                    return null;
-                }
-                String ctTypeStr = new String(contentType);
-                if (ctTypeStr.equals(ContentType.MULTIPART_MIXED)
-                        || ctTypeStr.equals(ContentType.MULTIPART_RELATED)
-                        || ctTypeStr.equals(ContentType.MULTIPART_ALTERNATIVE)) {
-                    // The MMS content type must be "application/vnd.wap.multipart.mixed"
-                    // or "application/vnd.wap.multipart.related"
-                    // or "application/vnd.wap.multipart.alternative"
-                    return retrieveConf;
-                } else if (ctTypeStr.equals(ContentType.MULTIPART_ALTERNATIVE)) {
-                    // "application/vnd.wap.multipart.alternative"
-                    // should take only the first part.
-                    PduPart firstPart = mBody.getPart(0);
-                    mBody.removeAll();
-                    mBody.addPart(0, firstPart);
-                    return retrieveConf;
-                }
-                return null;
-            case PduHeaders.MESSAGE_TYPE_DELIVERY_IND:
-                if (LOCAL_LOGV) {
-                    Log.v(LOG_TAG, "parse: MESSAGE_TYPE_DELIVERY_IND");
-                }
-                DeliveryInd deliveryInd =
-                    new DeliveryInd(mHeaders);
-                return deliveryInd;
-            case PduHeaders.MESSAGE_TYPE_ACKNOWLEDGE_IND:
-                if (LOCAL_LOGV) {
-                    Log.v(LOG_TAG, "parse: MESSAGE_TYPE_ACKNOWLEDGE_IND");
-                }
-                AcknowledgeInd acknowledgeInd =
-                    new AcknowledgeInd(mHeaders);
-                return acknowledgeInd;
-            case PduHeaders.MESSAGE_TYPE_READ_ORIG_IND:
-                if (LOCAL_LOGV) {
-                    Log.v(LOG_TAG, "parse: MESSAGE_TYPE_READ_ORIG_IND");
-                }
-                ReadOrigInd readOrigInd =
-                    new ReadOrigInd(mHeaders);
-                return readOrigInd;
-            case PduHeaders.MESSAGE_TYPE_READ_REC_IND:
-                if (LOCAL_LOGV) {
-                    Log.v(LOG_TAG, "parse: MESSAGE_TYPE_READ_REC_IND");
-                }
-                ReadRecInd readRecInd =
-                    new ReadRecInd(mHeaders);
-                return readRecInd;
-            default:
-                log("Parser doesn't support this message type in this version!");
-            return null;
-        }
-    }
-
-    /**
-     * Parse pdu headers.
-     *
-     * @param pduDataStream pdu data input stream
-     * @return headers in PduHeaders structure, null when parse fail
-     */
-    protected PduHeaders parseHeaders(ByteArrayInputStream pduDataStream){
-        if (pduDataStream == null) {
-            return null;
-        }
-        boolean keepParsing = true;
-        PduHeaders headers = new PduHeaders();
-
-        while (keepParsing && (pduDataStream.available() > 0)) {
-            pduDataStream.mark(1);
-            int headerField = extractByteValue(pduDataStream);
-            /* parse custom text header */
-            if ((headerField >= TEXT_MIN) && (headerField <= TEXT_MAX)) {
-                pduDataStream.reset();
-                byte [] bVal = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-                if (LOCAL_LOGV) {
-                    Log.v(LOG_TAG, "TextHeader: " + new String(bVal));
-                }
-                /* we should ignore it at the moment */
-                continue;
-            }
-            switch (headerField) {
-                case PduHeaders.MESSAGE_TYPE:
-                {
-                    int messageType = extractByteValue(pduDataStream);
-                    if (LOCAL_LOGV) {
-                        Log.v(LOG_TAG, "parseHeaders: messageType: " + messageType);
-                    }
-                    switch (messageType) {
-                        // We don't support these kind of messages now.
-                        case PduHeaders.MESSAGE_TYPE_FORWARD_REQ:
-                        case PduHeaders.MESSAGE_TYPE_FORWARD_CONF:
-                        case PduHeaders.MESSAGE_TYPE_MBOX_STORE_REQ:
-                        case PduHeaders.MESSAGE_TYPE_MBOX_STORE_CONF:
-                        case PduHeaders.MESSAGE_TYPE_MBOX_VIEW_REQ:
-                        case PduHeaders.MESSAGE_TYPE_MBOX_VIEW_CONF:
-                        case PduHeaders.MESSAGE_TYPE_MBOX_UPLOAD_REQ:
-                        case PduHeaders.MESSAGE_TYPE_MBOX_UPLOAD_CONF:
-                        case PduHeaders.MESSAGE_TYPE_MBOX_DELETE_REQ:
-                        case PduHeaders.MESSAGE_TYPE_MBOX_DELETE_CONF:
-                        case PduHeaders.MESSAGE_TYPE_MBOX_DESCR:
-                        case PduHeaders.MESSAGE_TYPE_DELETE_REQ:
-                        case PduHeaders.MESSAGE_TYPE_DELETE_CONF:
-                        case PduHeaders.MESSAGE_TYPE_CANCEL_REQ:
-                        case PduHeaders.MESSAGE_TYPE_CANCEL_CONF:
-                            return null;
-                    }
-                    try {
-                        headers.setOctet(messageType, headerField);
-                    } catch(InvalidHeaderValueException e) {
-                        log("Set invalid Octet value: " + messageType +
-                                " into the header filed: " + headerField);
-                        return null;
-                    } catch(RuntimeException e) {
-                        log(headerField + "is not Octet header field!");
-                        return null;
-                    }
-                    break;
-                }
-                /* Octect value */
-                case PduHeaders.REPORT_ALLOWED:
-                case PduHeaders.ADAPTATION_ALLOWED:
-                case PduHeaders.DELIVERY_REPORT:
-                case PduHeaders.DRM_CONTENT:
-                case PduHeaders.DISTRIBUTION_INDICATOR:
-                case PduHeaders.QUOTAS:
-                case PduHeaders.READ_REPORT:
-                case PduHeaders.STORE:
-                case PduHeaders.STORED:
-                case PduHeaders.TOTALS:
-                case PduHeaders.SENDER_VISIBILITY:
-                case PduHeaders.READ_STATUS:
-                case PduHeaders.CANCEL_STATUS:
-                case PduHeaders.PRIORITY:
-                case PduHeaders.STATUS:
-                case PduHeaders.REPLY_CHARGING:
-                case PduHeaders.MM_STATE:
-                case PduHeaders.RECOMMENDED_RETRIEVAL_MODE:
-                case PduHeaders.CONTENT_CLASS:
-                case PduHeaders.RETRIEVE_STATUS:
-                case PduHeaders.STORE_STATUS:
-                    /**
-                     * The following field has a different value when
-                     * used in the M-Mbox-Delete.conf and M-Delete.conf PDU.
-                     * For now we ignore this fact, since we do not support these PDUs
-                     */
-                case PduHeaders.RESPONSE_STATUS:
-                {
-                    int value = extractByteValue(pduDataStream);
-                    if (LOCAL_LOGV) {
-                        Log.v(LOG_TAG, "parseHeaders: byte: " + headerField + " value: " +
-                                value);
-                    }
-
-                    try {
-                        headers.setOctet(value, headerField);
-                    } catch(InvalidHeaderValueException e) {
-                        log("Set invalid Octet value: " + value +
-                                " into the header filed: " + headerField);
-                        return null;
-                    } catch(RuntimeException e) {
-                        log(headerField + "is not Octet header field!");
-                        return null;
-                    }
-                    break;
-                }
-
-                /* Long-Integer */
-                case PduHeaders.DATE:
-                case PduHeaders.REPLY_CHARGING_SIZE:
-                case PduHeaders.MESSAGE_SIZE:
-                {
-                    try {
-                        long value = parseLongInteger(pduDataStream);
-                        if (LOCAL_LOGV) {
-                            Log.v(LOG_TAG, "parseHeaders: longint: " + headerField + " value: " +
-                                    value);
-                        }
-                        headers.setLongInteger(value, headerField);
-                    } catch(RuntimeException e) {
-                        log(headerField + "is not Long-Integer header field!");
-                        return null;
-                    }
-                    break;
-                }
-
-                /* Integer-Value */
-                case PduHeaders.MESSAGE_COUNT:
-                case PduHeaders.START:
-                case PduHeaders.LIMIT:
-                {
-                    try {
-                        long value = parseIntegerValue(pduDataStream);
-                        if (LOCAL_LOGV) {
-                            Log.v(LOG_TAG, "parseHeaders: int: " + headerField + " value: " +
-                                    value);
-                        }
-                        headers.setLongInteger(value, headerField);
-                    } catch(RuntimeException e) {
-                        log(headerField + "is not Long-Integer header field!");
-                        return null;
-                    }
-                    break;
-                }
-
-                /* Text-String */
-                case PduHeaders.TRANSACTION_ID:
-                case PduHeaders.REPLY_CHARGING_ID:
-                case PduHeaders.AUX_APPLIC_ID:
-                case PduHeaders.APPLIC_ID:
-                case PduHeaders.REPLY_APPLIC_ID:
-                    /**
-                     * The next three header fields are email addresses
-                     * as defined in RFC2822,
-                     * not including the characters "<" and ">"
-                     */
-                case PduHeaders.MESSAGE_ID:
-                case PduHeaders.REPLACE_ID:
-                case PduHeaders.CANCEL_ID:
-                    /**
-                     * The following field has a different value when
-                     * used in the M-Mbox-Delete.conf and M-Delete.conf PDU.
-                     * For now we ignore this fact, since we do not support these PDUs
-                     */
-                case PduHeaders.CONTENT_LOCATION:
-                {
-                    byte[] value = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-                    if (null != value) {
-                        try {
-                            if (LOCAL_LOGV) {
-                                Log.v(LOG_TAG, "parseHeaders: string: " + headerField + " value: " +
-                                        new String(value));
-                            }
-                            headers.setTextString(value, headerField);
-                        } catch(NullPointerException e) {
-                            log("null pointer error!");
-                        } catch(RuntimeException e) {
-                            log(headerField + "is not Text-String header field!");
-                            return null;
-                        }
-                    }
-                    break;
-                }
-
-                /* Encoded-string-value */
-                case PduHeaders.SUBJECT:
-                case PduHeaders.RECOMMENDED_RETRIEVAL_MODE_TEXT:
-                case PduHeaders.RETRIEVE_TEXT:
-                case PduHeaders.STATUS_TEXT:
-                case PduHeaders.STORE_STATUS_TEXT:
-                    /* the next one is not support
-                     * M-Mbox-Delete.conf and M-Delete.conf now */
-                case PduHeaders.RESPONSE_TEXT:
-                {
-                    EncodedStringValue value =
-                        parseEncodedStringValue(pduDataStream);
-                    if (null != value) {
-                        try {
-                            if (LOCAL_LOGV) {
-                                Log.v(LOG_TAG, "parseHeaders: encoded string: " + headerField
-                                        + " value: " + value.getString());
-                            }
-                            headers.setEncodedStringValue(value, headerField);
-                        } catch(NullPointerException e) {
-                            log("null pointer error!");
-                        } catch (RuntimeException e) {
-                            log(headerField + "is not Encoded-String-Value header field!");
-                            return null;
-                        }
-                    }
-                    break;
-                }
-
-                /* Addressing model */
-                case PduHeaders.BCC:
-                case PduHeaders.CC:
-                case PduHeaders.TO:
-                {
-                    EncodedStringValue value =
-                        parseEncodedStringValue(pduDataStream);
-                    if (null != value) {
-                        byte[] address = value.getTextString();
-                        if (null != address) {
-                            String str = new String(address);
-                            if (LOCAL_LOGV) {
-                                Log.v(LOG_TAG, "parseHeaders: (to/cc/bcc) address: " + headerField
-                                        + " value: " + str);
-                            }
-                            int endIndex = str.indexOf("/");
-                            if (endIndex > 0) {
-                                str = str.substring(0, endIndex);
-                            }
-                            try {
-                                value.setTextString(str.getBytes());
-                            } catch(NullPointerException e) {
-                                log("null pointer error!");
-                                return null;
-                            }
-                        }
-
-                        try {
-                            headers.appendEncodedStringValue(value, headerField);
-                        } catch(NullPointerException e) {
-                            log("null pointer error!");
-                        } catch(RuntimeException e) {
-                            log(headerField + "is not Encoded-String-Value header field!");
-                            return null;
-                        }
-                    }
-                    break;
-                }
-
-                /* Value-length
-                 * (Absolute-token Date-value | Relative-token Delta-seconds-value) */
-                case PduHeaders.DELIVERY_TIME:
-                case PduHeaders.EXPIRY:
-                case PduHeaders.REPLY_CHARGING_DEADLINE:
-                {
-                    /* parse Value-length */
-                    parseValueLength(pduDataStream);
-
-                    /* Absolute-token or Relative-token */
-                    int token = extractByteValue(pduDataStream);
-
-                    /* Date-value or Delta-seconds-value */
-                    long timeValue;
-                    try {
-                        timeValue = parseLongInteger(pduDataStream);
-                    } catch(RuntimeException e) {
-                        log(headerField + "is not Long-Integer header field!");
-                        return null;
-                    }
-                    if (PduHeaders.VALUE_RELATIVE_TOKEN == token) {
-                        /* need to convert the Delta-seconds-value
-                         * into Date-value */
-                        timeValue = System.currentTimeMillis()/1000 + timeValue;
-                    }
-
-                    try {
-                        if (LOCAL_LOGV) {
-                            Log.v(LOG_TAG, "parseHeaders: time value: " + headerField
-                                    + " value: " + timeValue);
-                        }
-                        headers.setLongInteger(timeValue, headerField);
-                    } catch(RuntimeException e) {
-                        log(headerField + "is not Long-Integer header field!");
-                        return null;
-                    }
-                    break;
-                }
-
-                case PduHeaders.FROM: {
-                    /* From-value =
-                     * Value-length
-                     * (Address-present-token Encoded-string-value | Insert-address-token)
-                     */
-                    EncodedStringValue from = null;
-                    parseValueLength(pduDataStream); /* parse value-length */
-
-                    /* Address-present-token or Insert-address-token */
-                    int fromToken = extractByteValue(pduDataStream);
-
-                    /* Address-present-token or Insert-address-token */
-                    if (PduHeaders.FROM_ADDRESS_PRESENT_TOKEN == fromToken) {
-                        /* Encoded-string-value */
-                        from = parseEncodedStringValue(pduDataStream);
-                        if (null != from) {
-                            byte[] address = from.getTextString();
-                            if (null != address) {
-                                String str = new String(address);
-                                int endIndex = str.indexOf("/");
-                                if (endIndex > 0) {
-                                    str = str.substring(0, endIndex);
-                                }
-                                try {
-                                    from.setTextString(str.getBytes());
-                                } catch(NullPointerException e) {
-                                    log("null pointer error!");
-                                    return null;
-                                }
-                            }
-                        }
-                    } else {
-                        try {
-                            from = new EncodedStringValue(
-                                    PduHeaders.FROM_INSERT_ADDRESS_TOKEN_STR.getBytes());
-                        } catch(NullPointerException e) {
-                            log(headerField + "is not Encoded-String-Value header field!");
-                            return null;
-                        }
-                    }
-
-                    try {
-                        if (LOCAL_LOGV) {
-                            Log.v(LOG_TAG, "parseHeaders: from address: " + headerField
-                                    + " value: " + from.getString());
-                        }
-                        headers.setEncodedStringValue(from, PduHeaders.FROM);
-                    } catch(NullPointerException e) {
-                        log("null pointer error!");
-                    } catch(RuntimeException e) {
-                        log(headerField + "is not Encoded-String-Value header field!");
-                        return null;
-                    }
-                    break;
-                }
-
-                case PduHeaders.MESSAGE_CLASS: {
-                    /* Message-class-value = Class-identifier | Token-text */
-                    pduDataStream.mark(1);
-                    int messageClass = extractByteValue(pduDataStream);
-                    if (LOCAL_LOGV) {
-                        Log.v(LOG_TAG, "parseHeaders: MESSAGE_CLASS: " + headerField
-                                + " value: " + messageClass);
-                    }
-
-                    if (messageClass >= PduHeaders.MESSAGE_CLASS_PERSONAL) {
-                        /* Class-identifier */
-                        try {
-                            if (PduHeaders.MESSAGE_CLASS_PERSONAL == messageClass) {
-                                headers.setTextString(
-                                        PduHeaders.MESSAGE_CLASS_PERSONAL_STR.getBytes(),
-                                        PduHeaders.MESSAGE_CLASS);
-                            } else if (PduHeaders.MESSAGE_CLASS_ADVERTISEMENT == messageClass) {
-                                headers.setTextString(
-                                        PduHeaders.MESSAGE_CLASS_ADVERTISEMENT_STR.getBytes(),
-                                        PduHeaders.MESSAGE_CLASS);
-                            } else if (PduHeaders.MESSAGE_CLASS_INFORMATIONAL == messageClass) {
-                                headers.setTextString(
-                                        PduHeaders.MESSAGE_CLASS_INFORMATIONAL_STR.getBytes(),
-                                        PduHeaders.MESSAGE_CLASS);
-                            } else if (PduHeaders.MESSAGE_CLASS_AUTO == messageClass) {
-                                headers.setTextString(
-                                        PduHeaders.MESSAGE_CLASS_AUTO_STR.getBytes(),
-                                        PduHeaders.MESSAGE_CLASS);
-                            }
-                        } catch(NullPointerException e) {
-                            log("null pointer error!");
-                        } catch(RuntimeException e) {
-                            log(headerField + "is not Text-String header field!");
-                            return null;
-                        }
-                    } else {
-                        /* Token-text */
-                        pduDataStream.reset();
-                        byte[] messageClassString = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-                        if (null != messageClassString) {
-                            try {
-                                headers.setTextString(messageClassString, PduHeaders.MESSAGE_CLASS);
-                            } catch(NullPointerException e) {
-                                log("null pointer error!");
-                            } catch(RuntimeException e) {
-                                log(headerField + "is not Text-String header field!");
-                                return null;
-                            }
-                        }
-                    }
-                    break;
-                }
-
-                case PduHeaders.MMS_VERSION: {
-                    int version = parseShortInteger(pduDataStream);
-
-                    try {
-                        if (LOCAL_LOGV) {
-                            Log.v(LOG_TAG, "parseHeaders: MMS_VERSION: " + headerField
-                                    + " value: " + version);
-                        }
-                        headers.setOctet(version, PduHeaders.MMS_VERSION);
-                    } catch(InvalidHeaderValueException e) {
-                        log("Set invalid Octet value: " + version +
-                                " into the header filed: " + headerField);
-                        return null;
-                    } catch(RuntimeException e) {
-                        log(headerField + "is not Octet header field!");
-                        return null;
-                    }
-                    break;
-                }
-
-                case PduHeaders.PREVIOUSLY_SENT_BY: {
-                    /* Previously-sent-by-value =
-                     * Value-length Forwarded-count-value Encoded-string-value */
-                    /* parse value-length */
-                    parseValueLength(pduDataStream);
-
-                    /* parse Forwarded-count-value */
-                    try {
-                        parseIntegerValue(pduDataStream);
-                    } catch(RuntimeException e) {
-                        log(headerField + " is not Integer-Value");
-                        return null;
-                    }
-
-                    /* parse Encoded-string-value */
-                    EncodedStringValue previouslySentBy =
-                        parseEncodedStringValue(pduDataStream);
-                    if (null != previouslySentBy) {
-                        try {
-                            if (LOCAL_LOGV) {
-                                Log.v(LOG_TAG, "parseHeaders: PREVIOUSLY_SENT_BY: " + headerField
-                                        + " value: " + previouslySentBy.getString());
-                            }
-                            headers.setEncodedStringValue(previouslySentBy,
-                                    PduHeaders.PREVIOUSLY_SENT_BY);
-                        } catch(NullPointerException e) {
-                            log("null pointer error!");
-                        } catch(RuntimeException e) {
-                            log(headerField + "is not Encoded-String-Value header field!");
-                            return null;
-                        }
-                    }
-                    break;
-                }
-
-                case PduHeaders.PREVIOUSLY_SENT_DATE: {
-                    /* Previously-sent-date-value =
-                     * Value-length Forwarded-count-value Date-value */
-                    /* parse value-length */
-                    parseValueLength(pduDataStream);
-
-                    /* parse Forwarded-count-value */
-                    try {
-                        parseIntegerValue(pduDataStream);
-                    } catch(RuntimeException e) {
-                        log(headerField + " is not Integer-Value");
-                        return null;
-                    }
-
-                    /* Date-value */
-                    try {
-                        long perviouslySentDate = parseLongInteger(pduDataStream);
-                        if (LOCAL_LOGV) {
-                            Log.v(LOG_TAG, "parseHeaders: PREVIOUSLY_SENT_DATE: " + headerField
-                                    + " value: " + perviouslySentDate);
-                        }
-                        headers.setLongInteger(perviouslySentDate,
-                                PduHeaders.PREVIOUSLY_SENT_DATE);
-                    } catch(RuntimeException e) {
-                        log(headerField + "is not Long-Integer header field!");
-                        return null;
-                    }
-                    break;
-                }
-
-                case PduHeaders.MM_FLAGS: {
-                    /* MM-flags-value =
-                     * Value-length
-                     * ( Add-token | Remove-token | Filter-token )
-                     * Encoded-string-value
-                     */
-                    if (LOCAL_LOGV) {
-                        Log.v(LOG_TAG, "parseHeaders: MM_FLAGS: " + headerField
-                                + " NOT REALLY SUPPORTED");
-                    }
-
-                    /* parse Value-length */
-                    parseValueLength(pduDataStream);
-
-                    /* Add-token | Remove-token | Filter-token */
-                    extractByteValue(pduDataStream);
-
-                    /* Encoded-string-value */
-                    parseEncodedStringValue(pduDataStream);
-
-                    /* not store this header filed in "headers",
-                     * because now PduHeaders doesn't support it */
-                    break;
-                }
-
-                /* Value-length
-                 * (Message-total-token | Size-total-token) Integer-Value */
-                case PduHeaders.MBOX_TOTALS:
-                case PduHeaders.MBOX_QUOTAS:
-                {
-                    if (LOCAL_LOGV) {
-                        Log.v(LOG_TAG, "parseHeaders: MBOX_TOTALS: " + headerField);
-                    }
-                    /* Value-length */
-                    parseValueLength(pduDataStream);
-
-                    /* Message-total-token | Size-total-token */
-                    extractByteValue(pduDataStream);
-
-                    /*Integer-Value*/
-                    try {
-                        parseIntegerValue(pduDataStream);
-                    } catch(RuntimeException e) {
-                        log(headerField + " is not Integer-Value");
-                        return null;
-                    }
-
-                    /* not store these headers filed in "headers",
-                    because now PduHeaders doesn't support them */
-                    break;
-                }
-
-                case PduHeaders.ELEMENT_DESCRIPTOR: {
-                    if (LOCAL_LOGV) {
-                        Log.v(LOG_TAG, "parseHeaders: ELEMENT_DESCRIPTOR: " + headerField);
-                    }
-                    parseContentType(pduDataStream, null);
-
-                    /* not store this header filed in "headers",
-                    because now PduHeaders doesn't support it */
-                    break;
-                }
-
-                case PduHeaders.CONTENT_TYPE: {
-                    HashMap<Integer, Object> map =
-                        new HashMap<Integer, Object>();
-                    byte[] contentType =
-                        parseContentType(pduDataStream, map);
-
-                    if (null != contentType) {
-                        try {
-                            if (LOCAL_LOGV) {
-                                Log.v(LOG_TAG, "parseHeaders: CONTENT_TYPE: " + headerField +
-                                        contentType.toString());
-                            }
-                            headers.setTextString(contentType, PduHeaders.CONTENT_TYPE);
-                        } catch(NullPointerException e) {
-                            log("null pointer error!");
-                        } catch(RuntimeException e) {
-                            log(headerField + "is not Text-String header field!");
-                            return null;
-                        }
-                    }
-
-                    /* get start parameter */
-                    mStartParam = (byte[]) map.get(PduPart.P_START);
-
-                    /* get charset parameter */
-                    mTypeParam= (byte[]) map.get(PduPart.P_TYPE);
-
-                    keepParsing = false;
-                    break;
-                }
-
-                case PduHeaders.CONTENT:
-                case PduHeaders.ADDITIONAL_HEADERS:
-                case PduHeaders.ATTRIBUTES:
-                default: {
-                    if (LOCAL_LOGV) {
-                        Log.v(LOG_TAG, "parseHeaders: Unknown header: " + headerField);
-                    }
-                    log("Unknown header");
-                }
-            }
-        }
-
-        return headers;
-    }
-
-    /**
-     * Parse pdu parts.
-     *
-     * @param pduDataStream pdu data input stream
-     * @return parts in PduBody structure
-     */
-    protected static PduBody parseParts(ByteArrayInputStream pduDataStream) {
-        if (pduDataStream == null) {
-            return null;
-        }
-
-        int count = parseUnsignedInt(pduDataStream); // get the number of parts
-        PduBody body = new PduBody();
-
-        for (int i = 0 ; i < count ; i++) {
-            int headerLength = parseUnsignedInt(pduDataStream);
-            int dataLength = parseUnsignedInt(pduDataStream);
-            PduPart part = new PduPart();
-            int startPos = pduDataStream.available();
-            if (startPos <= 0) {
-                // Invalid part.
-                return null;
-            }
-
-            /* parse part's content-type */
-            HashMap<Integer, Object> map = new HashMap<Integer, Object>();
-            byte[] contentType = parseContentType(pduDataStream, map);
-            if (null != contentType) {
-                part.setContentType(contentType);
-            } else {
-                part.setContentType((PduContentTypes.contentTypes[0]).getBytes()); //"*/*"
-            }
-
-            /* get name parameter */
-            byte[] name = (byte[]) map.get(PduPart.P_NAME);
-            if (null != name) {
-                part.setName(name);
-            }
-
-            /* get charset parameter */
-            Integer charset = (Integer) map.get(PduPart.P_CHARSET);
-            if (null != charset) {
-                part.setCharset(charset);
-            }
-
-            /* parse part's headers */
-            int endPos = pduDataStream.available();
-            int partHeaderLen = headerLength - (startPos - endPos);
-            if (partHeaderLen > 0) {
-                if (false == parsePartHeaders(pduDataStream, part, partHeaderLen)) {
-                    // Parse part header faild.
-                    return null;
-                }
-            } else if (partHeaderLen < 0) {
-                // Invalid length of content-type.
-                return null;
-            }
-
-            /* FIXME: check content-id, name, filename and content location,
-             * if not set anyone of them, generate a default content-location
-             */
-            if ((null == part.getContentLocation())
-                    && (null == part.getName())
-                    && (null == part.getFilename())
-                    && (null == part.getContentId())) {
-                part.setContentLocation(Long.toOctalString(
-                        System.currentTimeMillis()).getBytes());
-            }
-
-            /* get part's data */
-            if (dataLength > 0) {
-                byte[] partData = new byte[dataLength];
-                String partContentType = new String(part.getContentType());
-                pduDataStream.read(partData, 0, dataLength);
-                if (partContentType.equalsIgnoreCase(ContentType.MULTIPART_ALTERNATIVE)) {
-                    // parse "multipart/vnd.wap.multipart.alternative".
-                    PduBody childBody = parseParts(new ByteArrayInputStream(partData));
-                    // take the first part of children.
-                    part = childBody.getPart(0);
-                } else {
-                    // Check Content-Transfer-Encoding.
-                    byte[] partDataEncoding = part.getContentTransferEncoding();
-                    if (null != partDataEncoding) {
-                        String encoding = new String(partDataEncoding);
-                        if (encoding.equalsIgnoreCase(PduPart.P_BASE64)) {
-                            // Decode "base64" into "binary".
-                            partData = Base64.decodeBase64(partData);
-                        } else if (encoding.equalsIgnoreCase(PduPart.P_QUOTED_PRINTABLE)) {
-                            // Decode "quoted-printable" into "binary".
-                            partData = QuotedPrintable.decodeQuotedPrintable(partData);
-                        } else {
-                            // "binary" is the default encoding.
-                        }
-                    }
-                    if (null == partData) {
-                        log("Decode part data error!");
-                        return null;
-                    }
-                    part.setData(partData);
-                }
-            }
-
-            /* add this part to body */
-            if (THE_FIRST_PART == checkPartPosition(part)) {
-                /* this is the first part */
-                body.addPart(0, part);
-            } else {
-                /* add the part to the end */
-                body.addPart(part);
-            }
-        }
-
-        return body;
-    }
-
-    /**
-     * Log status.
-     *
-     * @param text log information
-     */
-    private static void log(String text) {
-        if (LOCAL_LOGV) {
-            Log.v(LOG_TAG, text);
-        }
-    }
-
-    /**
-     * Parse unsigned integer.
-     *
-     * @param pduDataStream pdu data input stream
-     * @return the integer, -1 when failed
-     */
-    protected static int parseUnsignedInt(ByteArrayInputStream pduDataStream) {
-        /**
-         * From wap-230-wsp-20010705-a.pdf
-         * The maximum size of a uintvar is 32 bits.
-         * So it will be encoded in no more than 5 octets.
-         */
-        assert(null != pduDataStream);
-        int result = 0;
-        int temp = pduDataStream.read();
-        if (temp == -1) {
-            return temp;
-        }
-
-        while((temp & 0x80) != 0) {
-            result = result << 7;
-            result |= temp & 0x7F;
-            temp = pduDataStream.read();
-            if (temp == -1) {
-                return temp;
-            }
-        }
-
-        result = result << 7;
-        result |= temp & 0x7F;
-
-        return result;
-    }
-
-    /**
-     * Parse value length.
-     *
-     * @param pduDataStream pdu data input stream
-     * @return the integer
-     */
-    protected static int parseValueLength(ByteArrayInputStream pduDataStream) {
-        /**
-         * From wap-230-wsp-20010705-a.pdf
-         * Value-length = Short-length | (Length-quote Length)
-         * Short-length = <Any octet 0-30>
-         * Length-quote = <Octet 31>
-         * Length = Uintvar-integer
-         * Uintvar-integer = 1*5 OCTET
-         */
-        assert(null != pduDataStream);
-        int temp = pduDataStream.read();
-        assert(-1 != temp);
-        int first = temp & 0xFF;
-
-        if (first <= SHORT_LENGTH_MAX) {
-            return first;
-        } else if (first == LENGTH_QUOTE) {
-            return parseUnsignedInt(pduDataStream);
-        }
-
-        throw new RuntimeException ("Value length > LENGTH_QUOTE!");
-    }
-
-    /**
-     * Parse encoded string value.
-     *
-     * @param pduDataStream pdu data input stream
-     * @return the EncodedStringValue
-     */
-    protected static EncodedStringValue parseEncodedStringValue(ByteArrayInputStream pduDataStream){
-        /**
-         * From OMA-TS-MMS-ENC-V1_3-20050927-C.pdf
-         * Encoded-string-value = Text-string | Value-length Char-set Text-string
-         */
-        assert(null != pduDataStream);
-        pduDataStream.mark(1);
-        EncodedStringValue returnValue = null;
-        int charset = 0;
-        int temp = pduDataStream.read();
-        assert(-1 != temp);
-        int first = temp & 0xFF;
-        if (first == 0) {
-            return new EncodedStringValue("");
-        }
-
-        pduDataStream.reset();
-        if (first < TEXT_MIN) {
-            parseValueLength(pduDataStream);
-
-            charset = parseShortInteger(pduDataStream); //get the "Charset"
-        }
-
-        byte[] textString = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-
-        try {
-            if (0 != charset) {
-                returnValue = new EncodedStringValue(charset, textString);
-            } else {
-                returnValue = new EncodedStringValue(textString);
-            }
-        } catch(Exception e) {
-            return null;
-        }
-
-        return returnValue;
-    }
-
-    /**
-     * Parse Text-String or Quoted-String.
-     *
-     * @param pduDataStream pdu data input stream
-     * @param stringType TYPE_TEXT_STRING or TYPE_QUOTED_STRING
-     * @return the string without End-of-string in byte array
-     */
-    protected static byte[] parseWapString(ByteArrayInputStream pduDataStream,
-            int stringType) {
-        assert(null != pduDataStream);
-        /**
-         * From wap-230-wsp-20010705-a.pdf
-         * Text-string = [Quote] *TEXT End-of-string
-         * If the first character in the TEXT is in the range of 128-255,
-         * a Quote character must precede it.
-         * Otherwise the Quote character must be omitted.
-         * The Quote is not part of the contents.
-         * Quote = <Octet 127>
-         * End-of-string = <Octet 0>
-         *
-         * Quoted-string = <Octet 34> *TEXT End-of-string
-         *
-         * Token-text = Token End-of-string
-         */
-
-        // Mark supposed beginning of Text-string
-        // We will have to mark again if first char is QUOTE or QUOTED_STRING_FLAG
-        pduDataStream.mark(1);
-
-        // Check first char
-        int temp = pduDataStream.read();
-        assert(-1 != temp);
-        if ((TYPE_QUOTED_STRING == stringType) &&
-                (QUOTED_STRING_FLAG == temp)) {
-            // Mark again if QUOTED_STRING_FLAG and ignore it
-            pduDataStream.mark(1);
-        } else if ((TYPE_TEXT_STRING == stringType) &&
-                (QUOTE == temp)) {
-            // Mark again if QUOTE and ignore it
-            pduDataStream.mark(1);
-        } else {
-            // Otherwise go back to origin
-            pduDataStream.reset();
-        }
-
-        // We are now definitely at the beginning of string
-        /**
-         * Return *TOKEN or *TEXT (Text-String without QUOTE,
-         * Quoted-String without QUOTED_STRING_FLAG and without End-of-string)
-         */
-        return getWapString(pduDataStream, stringType);
-    }
-
-    /**
-     * Check TOKEN data defined in RFC2616.
-     * @param ch checking data
-     * @return true when ch is TOKEN, false when ch is not TOKEN
-     */
-    protected static boolean isTokenCharacter(int ch) {
-        /**
-         * Token      = 1*<any CHAR except CTLs or separators>
-         * separators = "("(40) | ")"(41) | "<"(60) | ">"(62) | "@"(64)
-         *            | ","(44) | ";"(59) | ":"(58) | "\"(92) | <">(34)
-         *            | "/"(47) | "["(91) | "]"(93) | "?"(63) | "="(61)
-         *            | "{"(123) | "}"(125) | SP(32) | HT(9)
-         * CHAR       = <any US-ASCII character (octets 0 - 127)>
-         * CTL        = <any US-ASCII control character
-         *            (octets 0 - 31) and DEL (127)>
-         * SP         = <US-ASCII SP, space (32)>
-         * HT         = <US-ASCII HT, horizontal-tab (9)>
-         */
-        if((ch < 33) || (ch > 126)) {
-            return false;
-        }
-
-        switch(ch) {
-            case '"': /* '"' */
-            case '(': /* '(' */
-            case ')': /* ')' */
-            case ',': /* ',' */
-            case '/': /* '/' */
-            case ':': /* ':' */
-            case ';': /* ';' */
-            case '<': /* '<' */
-            case '=': /* '=' */
-            case '>': /* '>' */
-            case '?': /* '?' */
-            case '@': /* '@' */
-            case '[': /* '[' */
-            case '\\': /* '\' */
-            case ']': /* ']' */
-            case '{': /* '{' */
-            case '}': /* '}' */
-                return false;
-        }
-
-        return true;
-    }
-
-    /**
-     * Check TEXT data defined in RFC2616.
-     * @param ch checking data
-     * @return true when ch is TEXT, false when ch is not TEXT
-     */
-    protected static boolean isText(int ch) {
-        /**
-         * TEXT = <any OCTET except CTLs,
-         *      but including LWS>
-         * CTL  = <any US-ASCII control character
-         *      (octets 0 - 31) and DEL (127)>
-         * LWS  = [CRLF] 1*( SP | HT )
-         * CRLF = CR LF
-         * CR   = <US-ASCII CR, carriage return (13)>
-         * LF   = <US-ASCII LF, linefeed (10)>
-         */
-        if(((ch >= 32) && (ch <= 126)) || ((ch >= 128) && (ch <= 255))) {
-            return true;
-        }
-
-        switch(ch) {
-            case '\t': /* '\t' */
-            case '\n': /* '\n' */
-            case '\r': /* '\r' */
-                return true;
-        }
-
-        return false;
-    }
-
-    protected static byte[] getWapString(ByteArrayInputStream pduDataStream,
-            int stringType) {
-        assert(null != pduDataStream);
-        ByteArrayOutputStream out = new ByteArrayOutputStream();
-        int temp = pduDataStream.read();
-        assert(-1 != temp);
-        while((-1 != temp) && ('\0' != temp)) {
-            // check each of the character
-            if (stringType == TYPE_TOKEN_STRING) {
-                if (isTokenCharacter(temp)) {
-                    out.write(temp);
-                }
-            } else {
-                if (isText(temp)) {
-                    out.write(temp);
-                }
-            }
-
-            temp = pduDataStream.read();
-            assert(-1 != temp);
-        }
-
-        if (out.size() > 0) {
-            return out.toByteArray();
-        }
-
-        return null;
-    }
-
-    /**
-     * Extract a byte value from the input stream.
-     *
-     * @param pduDataStream pdu data input stream
-     * @return the byte
-     */
-    protected static int extractByteValue(ByteArrayInputStream pduDataStream) {
-        assert(null != pduDataStream);
-        int temp = pduDataStream.read();
-        assert(-1 != temp);
-        return temp & 0xFF;
-    }
-
-    /**
-     * Parse Short-Integer.
-     *
-     * @param pduDataStream pdu data input stream
-     * @return the byte
-     */
-    protected static int parseShortInteger(ByteArrayInputStream pduDataStream) {
-        /**
-         * From wap-230-wsp-20010705-a.pdf
-         * Short-integer = OCTET
-         * Integers in range 0-127 shall be encoded as a one
-         * octet value with the most significant bit set to one (1xxx xxxx)
-         * and with the value in the remaining least significant bits.
-         */
-        assert(null != pduDataStream);
-        int temp = pduDataStream.read();
-        assert(-1 != temp);
-        return temp & 0x7F;
-    }
-
-    /**
-     * Parse Long-Integer.
-     *
-     * @param pduDataStream pdu data input stream
-     * @return long integer
-     */
-    protected static long parseLongInteger(ByteArrayInputStream pduDataStream) {
-        /**
-         * From wap-230-wsp-20010705-a.pdf
-         * Long-integer = Short-length Multi-octet-integer
-         * The Short-length indicates the length of the Multi-octet-integer
-         * Multi-octet-integer = 1*30 OCTET
-         * The content octets shall be an unsigned integer value
-         * with the most significant octet encoded first (big-endian representation).
-         * The minimum number of octets must be used to encode the value.
-         * Short-length = <Any octet 0-30>
-         */
-        assert(null != pduDataStream);
-        int temp = pduDataStream.read();
-        assert(-1 != temp);
-        int count = temp & 0xFF;
-
-        if (count > LONG_INTEGER_LENGTH_MAX) {
-            throw new RuntimeException("Octet count greater than 8 and I can't represent that!");
-        }
-
-        long result = 0;
-
-        for (int i = 0 ; i < count ; i++) {
-            temp = pduDataStream.read();
-            assert(-1 != temp);
-            result <<= 8;
-            result += (temp & 0xFF);
-        }
-
-        return result;
-    }
-
-    /**
-     * Parse Integer-Value.
-     *
-     * @param pduDataStream pdu data input stream
-     * @return long integer
-     */
-    protected static long parseIntegerValue(ByteArrayInputStream pduDataStream) {
-        /**
-         * From wap-230-wsp-20010705-a.pdf
-         * Integer-Value = Short-integer | Long-integer
-         */
-        assert(null != pduDataStream);
-        pduDataStream.mark(1);
-        int temp = pduDataStream.read();
-        assert(-1 != temp);
-        pduDataStream.reset();
-        if (temp > SHORT_INTEGER_MAX) {
-            return parseShortInteger(pduDataStream);
-        } else {
-            return parseLongInteger(pduDataStream);
-        }
-    }
-
-    /**
-     * To skip length of the wap value.
-     *
-     * @param pduDataStream pdu data input stream
-     * @param length area size
-     * @return the values in this area
-     */
-    protected static int skipWapValue(ByteArrayInputStream pduDataStream, int length) {
-        assert(null != pduDataStream);
-        byte[] area = new byte[length];
-        int readLen = pduDataStream.read(area, 0, length);
-        if (readLen < length) { //The actually read length is lower than the length
-            return -1;
-        } else {
-            return readLen;
-        }
-    }
-
-    /**
-     * Parse content type parameters. For now we just support
-     * four parameters used in mms: "type", "start", "name", "charset".
-     *
-     * @param pduDataStream pdu data input stream
-     * @param map to store parameters of Content-Type field
-     * @param length length of all the parameters
-     */
-    protected static void parseContentTypeParams(ByteArrayInputStream pduDataStream,
-            HashMap<Integer, Object> map, Integer length) {
-        /**
-         * From wap-230-wsp-20010705-a.pdf
-         * Parameter = Typed-parameter | Untyped-parameter
-         * Typed-parameter = Well-known-parameter-token Typed-value
-         * the actual expected type of the value is implied by the well-known parameter
-         * Well-known-parameter-token = Integer-value
-         * the code values used for parameters are specified in the Assigned Numbers appendix
-         * Typed-value = Compact-value | Text-value
-         * In addition to the expected type, there may be no value.
-         * If the value cannot be encoded using the expected type, it shall be encoded as text.
-         * Compact-value = Integer-value |
-         * Date-value | Delta-seconds-value | Q-value | Version-value |
-         * Uri-value
-         * Untyped-parameter = Token-text Untyped-value
-         * the type of the value is unknown, but it shall be encoded as an integer,
-         * if that is possible.
-         * Untyped-value = Integer-value | Text-value
-         */
-        assert(null != pduDataStream);
-        assert(length > 0);
-
-        int startPos = pduDataStream.available();
-        int tempPos = 0;
-        int lastLen = length;
-        while(0 < lastLen) {
-            int param = pduDataStream.read();
-            assert(-1 != param);
-            lastLen--;
-
-            switch (param) {
-                /**
-                 * From rfc2387, chapter 3.1
-                 * The type parameter must be specified and its value is the MIME media
-                 * type of the "root" body part. It permits a MIME user agent to
-                 * determine the content-type without reference to the enclosed body
-                 * part. If the value of the type parameter and the root body part's
-                 * content-type differ then the User Agent's behavior is undefined.
-                 *
-                 * From wap-230-wsp-20010705-a.pdf
-                 * type = Constrained-encoding
-                 * Constrained-encoding = Extension-Media | Short-integer
-                 * Extension-media = *TEXT End-of-string
-                 */
-                case PduPart.P_TYPE:
-                case PduPart.P_CT_MR_TYPE:
-                    pduDataStream.mark(1);
-                    int first = extractByteValue(pduDataStream);
-                    pduDataStream.reset();
-                    if (first > TEXT_MAX) {
-                        // Short-integer (well-known type)
-                        int index = parseShortInteger(pduDataStream);
-
-                        if (index < PduContentTypes.contentTypes.length) {
-                            byte[] type = (PduContentTypes.contentTypes[index]).getBytes();
-                            map.put(PduPart.P_TYPE, type);
-                        } else {
-                            //not support this type, ignore it.
-                        }
-                    } else {
-                        // Text-String (extension-media)
-                        byte[] type = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-                        if ((null != type) && (null != map)) {
-                            map.put(PduPart.P_TYPE, type);
-                        }
-                    }
-
-                    tempPos = pduDataStream.available();
-                    lastLen = length - (startPos - tempPos);
-                    break;
-
-                    /**
-                     * From oma-ts-mms-conf-v1_3.pdf, chapter 10.2.3.
-                     * Start Parameter Referring to Presentation
-                     *
-                     * From rfc2387, chapter 3.2
-                     * The start parameter, if given, is the content-ID of the compound
-                     * object's "root". If not present the "root" is the first body part in
-                     * the Multipart/Related entity. The "root" is the element the
-                     * applications processes first.
-                     *
-                     * From wap-230-wsp-20010705-a.pdf
-                     * start = Text-String
-                     */
-                case PduPart.P_START:
-                case PduPart.P_DEP_START:
-                    byte[] start = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-                    if ((null != start) && (null != map)) {
-                        map.put(PduPart.P_START, start);
-                    }
-
-                    tempPos = pduDataStream.available();
-                    lastLen = length - (startPos - tempPos);
-                    break;
-
-                    /**
-                     * From oma-ts-mms-conf-v1_3.pdf
-                     * In creation, the character set SHALL be either us-ascii
-                     * (IANA MIBenum 3) or utf-8 (IANA MIBenum 106)[Unicode].
-                     * In retrieval, both us-ascii and utf-8 SHALL be supported.
-                     *
-                     * From wap-230-wsp-20010705-a.pdf
-                     * charset = Well-known-charset|Text-String
-                     * Well-known-charset = Any-charset | Integer-value
-                     * Both are encoded using values from Character Set
-                     * Assignments table in Assigned Numbers
-                     * Any-charset = <Octet 128>
-                     * Equivalent to the special RFC2616 charset value "*"
-                     */
-                case PduPart.P_CHARSET:
-                    pduDataStream.mark(1);
-                    int firstValue = extractByteValue(pduDataStream);
-                    pduDataStream.reset();
-                    //Check first char
-                    if (((firstValue > TEXT_MIN) && (firstValue < TEXT_MAX)) ||
-                            (END_STRING_FLAG == firstValue)) {
-                        //Text-String (extension-charset)
-                        byte[] charsetStr = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-                        try {
-                            int charsetInt = CharacterSets.getMibEnumValue(
-                                    new String(charsetStr));
-                            map.put(PduPart.P_CHARSET, charsetInt);
-                        } catch (UnsupportedEncodingException e) {
-                            // Not a well-known charset, use "*".
-                            Log.e(LOG_TAG, Arrays.toString(charsetStr), e);
-                            map.put(PduPart.P_CHARSET, CharacterSets.ANY_CHARSET);
-                        }
-                    } else {
-                        //Well-known-charset
-                        int charset = (int) parseIntegerValue(pduDataStream);
-                        if (map != null) {
-                            map.put(PduPart.P_CHARSET, charset);
-                        }
-                    }
-
-                    tempPos = pduDataStream.available();
-                    lastLen = length - (startPos - tempPos);
-                    break;
-
-                    /**
-                     * From oma-ts-mms-conf-v1_3.pdf
-                     * A name for multipart object SHALL be encoded using name-parameter
-                     * for Content-Type header in WSP multipart headers.
-                     *
-                     * From wap-230-wsp-20010705-a.pdf
-                     * name = Text-String
-                     */
-                case PduPart.P_DEP_NAME:
-                case PduPart.P_NAME:
-                    byte[] name = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-                    if ((null != name) && (null != map)) {
-                        map.put(PduPart.P_NAME, name);
-                    }
-
-                    tempPos = pduDataStream.available();
-                    lastLen = length - (startPos - tempPos);
-                    break;
-                default:
-                    if (LOCAL_LOGV) {
-                        Log.v(LOG_TAG, "Not supported Content-Type parameter");
-                    }
-                if (-1 == skipWapValue(pduDataStream, lastLen)) {
-                    Log.e(LOG_TAG, "Corrupt Content-Type");
-                } else {
-                    lastLen = 0;
-                }
-                break;
-            }
-        }
-
-        if (0 != lastLen) {
-            Log.e(LOG_TAG, "Corrupt Content-Type");
-        }
-    }
-
-    /**
-     * Parse content type.
-     *
-     * @param pduDataStream pdu data input stream
-     * @param map to store parameters in Content-Type header field
-     * @return Content-Type value
-     */
-    protected static byte[] parseContentType(ByteArrayInputStream pduDataStream,
-            HashMap<Integer, Object> map) {
-        /**
-         * From wap-230-wsp-20010705-a.pdf
-         * Content-type-value = Constrained-media | Content-general-form
-         * Content-general-form = Value-length Media-type
-         * Media-type = (Well-known-media | Extension-Media) *(Parameter)
-         */
-        assert(null != pduDataStream);
-
-        byte[] contentType = null;
-        pduDataStream.mark(1);
-        int temp = pduDataStream.read();
-        assert(-1 != temp);
-        pduDataStream.reset();
-
-        int cur = (temp & 0xFF);
-
-        if (cur < TEXT_MIN) {
-            int length = parseValueLength(pduDataStream);
-            int startPos = pduDataStream.available();
-            pduDataStream.mark(1);
-            temp = pduDataStream.read();
-            assert(-1 != temp);
-            pduDataStream.reset();
-            int first = (temp & 0xFF);
-
-            if ((first >= TEXT_MIN) && (first <= TEXT_MAX)) {
-                contentType = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-            } else if (first > TEXT_MAX) {
-                int index = parseShortInteger(pduDataStream);
-
-                if (index < PduContentTypes.contentTypes.length) { //well-known type
-                    contentType = (PduContentTypes.contentTypes[index]).getBytes();
-                } else {
-                    pduDataStream.reset();
-                    contentType = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-                }
-            } else {
-                Log.e(LOG_TAG, "Corrupt content-type");
-                return (PduContentTypes.contentTypes[0]).getBytes(); //"*/*"
-            }
-
-            int endPos = pduDataStream.available();
-            int parameterLen = length - (startPos - endPos);
-            if (parameterLen > 0) {//have parameters
-                parseContentTypeParams(pduDataStream, map, parameterLen);
-            }
-
-            if (parameterLen < 0) {
-                Log.e(LOG_TAG, "Corrupt MMS message");
-                return (PduContentTypes.contentTypes[0]).getBytes(); //"*/*"
-            }
-        } else if (cur <= TEXT_MAX) {
-            contentType = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-        } else {
-            contentType =
-                (PduContentTypes.contentTypes[parseShortInteger(pduDataStream)]).getBytes();
-        }
-
-        return contentType;
-    }
-
-    /**
-     * Parse part's headers.
-     *
-     * @param pduDataStream pdu data input stream
-     * @param part to store the header informations of the part
-     * @param length length of the headers
-     * @return true if parse successfully, false otherwise
-     */
-    protected static boolean parsePartHeaders(ByteArrayInputStream pduDataStream,
-            PduPart part, int length) {
-        assert(null != pduDataStream);
-        assert(null != part);
-        assert(length > 0);
-
-        /**
-         * From oma-ts-mms-conf-v1_3.pdf, chapter 10.2.
-         * A name for multipart object SHALL be encoded using name-parameter
-         * for Content-Type header in WSP multipart headers.
-         * In decoding, name-parameter of Content-Type SHALL be used if available.
-         * If name-parameter of Content-Type is not available,
-         * filename parameter of Content-Disposition header SHALL be used if available.
-         * If neither name-parameter of Content-Type header nor filename parameter
-         * of Content-Disposition header is available,
-         * Content-Location header SHALL be used if available.
-         *
-         * Within SMIL part the reference to the media object parts SHALL use
-         * either Content-ID or Content-Location mechanism [RFC2557]
-         * and the corresponding WSP part headers in media object parts
-         * contain the corresponding definitions.
-         */
-        int startPos = pduDataStream.available();
-        int tempPos = 0;
-        int lastLen = length;
-        while(0 < lastLen) {
-            int header = pduDataStream.read();
-            assert(-1 != header);
-            lastLen--;
-
-            if (header > TEXT_MAX) {
-                // Number assigned headers.
-                switch (header) {
-                    case PduPart.P_CONTENT_LOCATION:
-                        /**
-                         * From wap-230-wsp-20010705-a.pdf, chapter 8.4.2.21
-                         * Content-location-value = Uri-value
-                         */
-                        byte[] contentLocation = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-                        if (null != contentLocation) {
-                            part.setContentLocation(contentLocation);
-                        }
-
-                        tempPos = pduDataStream.available();
-                        lastLen = length - (startPos - tempPos);
-                        break;
-                    case PduPart.P_CONTENT_ID:
-                        /**
-                         * From wap-230-wsp-20010705-a.pdf, chapter 8.4.2.21
-                         * Content-ID-value = Quoted-string
-                         */
-                        byte[] contentId = parseWapString(pduDataStream, TYPE_QUOTED_STRING);
-                        if (null != contentId) {
-                            part.setContentId(contentId);
-                        }
-
-                        tempPos = pduDataStream.available();
-                        lastLen = length - (startPos - tempPos);
-                        break;
-                    case PduPart.P_DEP_CONTENT_DISPOSITION:
-                    case PduPart.P_CONTENT_DISPOSITION:
-                        /**
-                         * From wap-230-wsp-20010705-a.pdf, chapter 8.4.2.21
-                         * Content-disposition-value = Value-length Disposition *(Parameter)
-                         * Disposition = Form-data | Attachment | Inline | Token-text
-                         * Form-data = <Octet 128>
-                         * Attachment = <Octet 129>
-                         * Inline = <Octet 130>
-                         */
-
-                        /*
-                         * some carrier mmsc servers do not support content_disposition
-                         * field correctly
-                         */
-                        boolean contentDisposition = Resources.getSystem().getBoolean(com
-                                .android.internal.R.bool.config_mms_content_disposition_support);
-
-                        if (contentDisposition) {
-                            int len = parseValueLength(pduDataStream);
-                            pduDataStream.mark(1);
-                            int thisStartPos = pduDataStream.available();
-                            int thisEndPos = 0;
-                            int value = pduDataStream.read();
-
-                            if (value == PduPart.P_DISPOSITION_FROM_DATA ) {
-                                part.setContentDisposition(PduPart.DISPOSITION_FROM_DATA);
-                            } else if (value == PduPart.P_DISPOSITION_ATTACHMENT) {
-                                part.setContentDisposition(PduPart.DISPOSITION_ATTACHMENT);
-                            } else if (value == PduPart.P_DISPOSITION_INLINE) {
-                                part.setContentDisposition(PduPart.DISPOSITION_INLINE);
-                            } else {
-                                pduDataStream.reset();
-                                /* Token-text */
-                                part.setContentDisposition(parseWapString(pduDataStream
-                                        , TYPE_TEXT_STRING));
-                            }
-
-                            /* get filename parameter and skip other parameters */
-                            thisEndPos = pduDataStream.available();
-                            if (thisStartPos - thisEndPos < len) {
-                                value = pduDataStream.read();
-                                if (value == PduPart.P_FILENAME) { //filename is text-string
-                                    part.setFilename(parseWapString(pduDataStream
-                                            , TYPE_TEXT_STRING));
-                                }
-
-                                /* skip other parameters */
-                                thisEndPos = pduDataStream.available();
-                                if (thisStartPos - thisEndPos < len) {
-                                    int last = len - (thisStartPos - thisEndPos);
-                                    byte[] temp = new byte[last];
-                                    pduDataStream.read(temp, 0, last);
-                                }
-                            }
-
-                            tempPos = pduDataStream.available();
-                            lastLen = length - (startPos - tempPos);
-                        }
-                        break;
-                    default:
-                        if (LOCAL_LOGV) {
-                            Log.v(LOG_TAG, "Not supported Part headers: " + header);
-                        }
-                    if (-1 == skipWapValue(pduDataStream, lastLen)) {
-                        Log.e(LOG_TAG, "Corrupt Part headers");
-                        return false;
-                    }
-                    lastLen = 0;
-                    break;
-                }
-            } else if ((header >= TEXT_MIN) && (header <= TEXT_MAX)) {
-                // Not assigned header.
-                byte[] tempHeader = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-                byte[] tempValue = parseWapString(pduDataStream, TYPE_TEXT_STRING);
-
-                // Check the header whether it is "Content-Transfer-Encoding".
-                if (true ==
-                    PduPart.CONTENT_TRANSFER_ENCODING.equalsIgnoreCase(new String(tempHeader))) {
-                    part.setContentTransferEncoding(tempValue);
-                }
-
-                tempPos = pduDataStream.available();
-                lastLen = length - (startPos - tempPos);
-            } else {
-                if (LOCAL_LOGV) {
-                    Log.v(LOG_TAG, "Not supported Part headers: " + header);
-                }
-                // Skip all headers of this part.
-                if (-1 == skipWapValue(pduDataStream, lastLen)) {
-                    Log.e(LOG_TAG, "Corrupt Part headers");
-                    return false;
-                }
-                lastLen = 0;
-            }
-        }
-
-        if (0 != lastLen) {
-            Log.e(LOG_TAG, "Corrupt Part headers");
-            return false;
-        }
-
-        return true;
-    }
-
-    /**
-     * Check the position of a specified part.
-     *
-     * @param part the part to be checked
-     * @return part position, THE_FIRST_PART when it's the
-     * first one, THE_LAST_PART when it's the last one.
-     */
-    private static int checkPartPosition(PduPart part) {
-        assert(null != part);
-        if ((null == mTypeParam) &&
-                (null == mStartParam)) {
-            return THE_LAST_PART;
-        }
-
-        /* check part's content-id */
-        if (null != mStartParam) {
-            byte[] contentId = part.getContentId();
-            if (null != contentId) {
-                if (true == Arrays.equals(mStartParam, contentId)) {
-                    return THE_FIRST_PART;
-                }
-            }
-        }
-
-        /* check part's content-type */
-        if (null != mTypeParam) {
-            byte[] contentType = part.getContentType();
-            if (null != contentType) {
-                if (true == Arrays.equals(mTypeParam, contentType)) {
-                    return THE_FIRST_PART;
-                }
-            }
-        }
-
-        return THE_LAST_PART;
-    }
-
-    /**
-     * Check mandatory headers of a pdu.
-     *
-     * @param headers pdu headers
-     * @return true if the pdu has all of the mandatory headers, false otherwise.
-     */
-    protected static boolean checkMandatoryHeader(PduHeaders headers) {
-        if (null == headers) {
-            return false;
-        }
-
-        /* get message type */
-        int messageType = headers.getOctet(PduHeaders.MESSAGE_TYPE);
-
-        /* check Mms-Version field */
-        int mmsVersion = headers.getOctet(PduHeaders.MMS_VERSION);
-        if (0 == mmsVersion) {
-            // Every message should have Mms-Version field.
-            return false;
-        }
-
-        /* check mandatory header fields */
-        switch (messageType) {
-            case PduHeaders.MESSAGE_TYPE_SEND_REQ:
-                // Content-Type field.
-                byte[] srContentType = headers.getTextString(PduHeaders.CONTENT_TYPE);
-                if (null == srContentType) {
-                    return false;
-                }
-
-                // From field.
-                EncodedStringValue srFrom = headers.getEncodedStringValue(PduHeaders.FROM);
-                if (null == srFrom) {
-                    return false;
-                }
-
-                // Transaction-Id field.
-                byte[] srTransactionId = headers.getTextString(PduHeaders.TRANSACTION_ID);
-                if (null == srTransactionId) {
-                    return false;
-                }
-
-                break;
-            case PduHeaders.MESSAGE_TYPE_SEND_CONF:
-                // Response-Status field.
-                int scResponseStatus = headers.getOctet(PduHeaders.RESPONSE_STATUS);
-                if (0 == scResponseStatus) {
-                    return false;
-                }
-
-                // Transaction-Id field.
-                byte[] scTransactionId = headers.getTextString(PduHeaders.TRANSACTION_ID);
-                if (null == scTransactionId) {
-                    return false;
-                }
-
-                break;
-            case PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND:
-                // Content-Location field.
-                byte[] niContentLocation = headers.getTextString(PduHeaders.CONTENT_LOCATION);
-                if (null == niContentLocation) {
-                    return false;
-                }
-
-                // Expiry field.
-                long niExpiry = headers.getLongInteger(PduHeaders.EXPIRY);
-                if (-1 == niExpiry) {
-                    return false;
-                }
-
-                // Message-Class field.
-                byte[] niMessageClass = headers.getTextString(PduHeaders.MESSAGE_CLASS);
-                if (null == niMessageClass) {
-                    return false;
-                }
-
-                // Message-Size field.
-                long niMessageSize = headers.getLongInteger(PduHeaders.MESSAGE_SIZE);
-                if (-1 == niMessageSize) {
-                    return false;
-                }
-
-                // Transaction-Id field.
-                byte[] niTransactionId = headers.getTextString(PduHeaders.TRANSACTION_ID);
-                if (null == niTransactionId) {
-                    return false;
-                }
-
-                break;
-            case PduHeaders.MESSAGE_TYPE_NOTIFYRESP_IND:
-                // Status field.
-                int nriStatus = headers.getOctet(PduHeaders.STATUS);
-                if (0 == nriStatus) {
-                    return false;
-                }
-
-                // Transaction-Id field.
-                byte[] nriTransactionId = headers.getTextString(PduHeaders.TRANSACTION_ID);
-                if (null == nriTransactionId) {
-                    return false;
-                }
-
-                break;
-            case PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF:
-                // Content-Type field.
-                byte[] rcContentType = headers.getTextString(PduHeaders.CONTENT_TYPE);
-                if (null == rcContentType) {
-                    return false;
-                }
-
-                // Date field.
-                long rcDate = headers.getLongInteger(PduHeaders.DATE);
-                if (-1 == rcDate) {
-                    return false;
-                }
-
-                break;
-            case PduHeaders.MESSAGE_TYPE_DELIVERY_IND:
-                // Date field.
-                long diDate = headers.getLongInteger(PduHeaders.DATE);
-                if (-1 == diDate) {
-                    return false;
-                }
-
-                // Message-Id field.
-                byte[] diMessageId = headers.getTextString(PduHeaders.MESSAGE_ID);
-                if (null == diMessageId) {
-                    return false;
-                }
-
-                // Status field.
-                int diStatus = headers.getOctet(PduHeaders.STATUS);
-                if (0 == diStatus) {
-                    return false;
-                }
-
-                // To field.
-                EncodedStringValue[] diTo = headers.getEncodedStringValues(PduHeaders.TO);
-                if (null == diTo) {
-                    return false;
-                }
-
-                break;
-            case PduHeaders.MESSAGE_TYPE_ACKNOWLEDGE_IND:
-                // Transaction-Id field.
-                byte[] aiTransactionId = headers.getTextString(PduHeaders.TRANSACTION_ID);
-                if (null == aiTransactionId) {
-                    return false;
-                }
-
-                break;
-            case PduHeaders.MESSAGE_TYPE_READ_ORIG_IND:
-                // Date field.
-                long roDate = headers.getLongInteger(PduHeaders.DATE);
-                if (-1 == roDate) {
-                    return false;
-                }
-
-                // From field.
-                EncodedStringValue roFrom = headers.getEncodedStringValue(PduHeaders.FROM);
-                if (null == roFrom) {
-                    return false;
-                }
-
-                // Message-Id field.
-                byte[] roMessageId = headers.getTextString(PduHeaders.MESSAGE_ID);
-                if (null == roMessageId) {
-                    return false;
-                }
-
-                // Read-Status field.
-                int roReadStatus = headers.getOctet(PduHeaders.READ_STATUS);
-                if (0 == roReadStatus) {
-                    return false;
-                }
-
-                // To field.
-                EncodedStringValue[] roTo = headers.getEncodedStringValues(PduHeaders.TO);
-                if (null == roTo) {
-                    return false;
-                }
-
-                break;
-            case PduHeaders.MESSAGE_TYPE_READ_REC_IND:
-                // From field.
-                EncodedStringValue rrFrom = headers.getEncodedStringValue(PduHeaders.FROM);
-                if (null == rrFrom) {
-                    return false;
-                }
-
-                // Message-Id field.
-                byte[] rrMessageId = headers.getTextString(PduHeaders.MESSAGE_ID);
-                if (null == rrMessageId) {
-                    return false;
-                }
-
-                // Read-Status field.
-                int rrReadStatus = headers.getOctet(PduHeaders.READ_STATUS);
-                if (0 == rrReadStatus) {
-                    return false;
-                }
-
-                // To field.
-                EncodedStringValue[] rrTo = headers.getEncodedStringValues(PduHeaders.TO);
-                if (null == rrTo) {
-                    return false;
-                }
-
-                break;
-            default:
-                // Parser doesn't support this message type in this version.
-                return false;
-        }
-
-        return true;
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/PduPart.java b/src/java/com/google/android/mms/pdu/PduPart.java
deleted file mode 100644
index b43e388..0000000
--- a/src/java/com/google/android/mms/pdu/PduPart.java
+++ /dev/null
@@ -1,402 +0,0 @@
-/*
- * Copyright (C) 2007-2008 Esmertec AG.
- * Copyright (C) 2007-2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import android.net.Uri;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * The pdu part.
- */
-public class PduPart {
-    /**
-     * Well-Known Parameters.
-     */
-    public static final int P_Q                  = 0x80;
-    public static final int P_CHARSET            = 0x81;
-    public static final int P_LEVEL              = 0x82;
-    public static final int P_TYPE               = 0x83;
-    public static final int P_DEP_NAME           = 0x85;
-    public static final int P_DEP_FILENAME       = 0x86;
-    public static final int P_DIFFERENCES        = 0x87;
-    public static final int P_PADDING            = 0x88;
-    // This value of "TYPE" s used with Content-Type: multipart/related
-    public static final int P_CT_MR_TYPE         = 0x89;
-    public static final int P_DEP_START          = 0x8A;
-    public static final int P_DEP_START_INFO     = 0x8B;
-    public static final int P_DEP_COMMENT        = 0x8C;
-    public static final int P_DEP_DOMAIN         = 0x8D;
-    public static final int P_MAX_AGE            = 0x8E;
-    public static final int P_DEP_PATH           = 0x8F;
-    public static final int P_SECURE             = 0x90;
-    public static final int P_SEC                = 0x91;
-    public static final int P_MAC                = 0x92;
-    public static final int P_CREATION_DATE      = 0x93;
-    public static final int P_MODIFICATION_DATE  = 0x94;
-    public static final int P_READ_DATE          = 0x95;
-    public static final int P_SIZE               = 0x96;
-    public static final int P_NAME               = 0x97;
-    public static final int P_FILENAME           = 0x98;
-    public static final int P_START              = 0x99;
-    public static final int P_START_INFO         = 0x9A;
-    public static final int P_COMMENT            = 0x9B;
-    public static final int P_DOMAIN             = 0x9C;
-    public static final int P_PATH               = 0x9D;
-
-    /**
-     *  Header field names.
-     */
-     public static final int P_CONTENT_TYPE       = 0x91;
-     public static final int P_CONTENT_LOCATION   = 0x8E;
-     public static final int P_CONTENT_ID         = 0xC0;
-     public static final int P_DEP_CONTENT_DISPOSITION = 0xAE;
-     public static final int P_CONTENT_DISPOSITION = 0xC5;
-    // The next header is unassigned header, use reserved header(0x48) value.
-     public static final int P_CONTENT_TRANSFER_ENCODING = 0xC8;
-
-     /**
-      * Content=Transfer-Encoding string.
-      */
-     public static final String CONTENT_TRANSFER_ENCODING =
-             "Content-Transfer-Encoding";
-
-     /**
-      * Value of Content-Transfer-Encoding.
-      */
-     public static final String P_BINARY = "binary";
-     public static final String P_7BIT = "7bit";
-     public static final String P_8BIT = "8bit";
-     public static final String P_BASE64 = "base64";
-     public static final String P_QUOTED_PRINTABLE = "quoted-printable";
-
-     /**
-      * Value of disposition can be set to PduPart when the value is octet in
-      * the PDU.
-      * "from-data" instead of Form-data<Octet 128>.
-      * "attachment" instead of Attachment<Octet 129>.
-      * "inline" instead of Inline<Octet 130>.
-      */
-     static final byte[] DISPOSITION_FROM_DATA = "from-data".getBytes();
-     static final byte[] DISPOSITION_ATTACHMENT = "attachment".getBytes();
-     static final byte[] DISPOSITION_INLINE = "inline".getBytes();
-
-     /**
-      * Content-Disposition value.
-      */
-     public static final int P_DISPOSITION_FROM_DATA  = 0x80;
-     public static final int P_DISPOSITION_ATTACHMENT = 0x81;
-     public static final int P_DISPOSITION_INLINE     = 0x82;
-
-     /**
-      * Header of part.
-      */
-     private Map<Integer, Object> mPartHeader = null;
-
-     /**
-      * Data uri.
-      */
-     private Uri mUri = null;
-
-     /**
-      * Part data.
-      */
-     private byte[] mPartData = null;
-
-     private static final String TAG = "PduPart";
-
-     /**
-      * Empty Constructor.
-      */
-     public PduPart() {
-         mPartHeader = new HashMap<Integer, Object>();
-     }
-
-     /**
-      * Set part data. The data are stored as byte array.
-      *
-      * @param data the data
-      */
-     public void setData(byte[] data) {
-         if(data == null) {
-            return;
-        }
-
-         mPartData = new byte[data.length];
-         System.arraycopy(data, 0, mPartData, 0, data.length);
-     }
-
-     /**
-      * @return A copy of the part data or null if the data wasn't set or
-      *         the data is stored as Uri.
-      * @see #getDataUri
-      */
-     public byte[] getData() {
-         if(mPartData == null) {
-            return null;
-         }
-
-         byte[] byteArray = new byte[mPartData.length];
-         System.arraycopy(mPartData, 0, byteArray, 0, mPartData.length);
-         return byteArray;
-     }
-
-     /**
-      * Set data uri. The data are stored as Uri.
-      *
-      * @param uri the uri
-      */
-     public void setDataUri(Uri uri) {
-         mUri = uri;
-     }
-
-     /**
-      * @return The Uri of the part data or null if the data wasn't set or
-      *         the data is stored as byte array.
-      * @see #getData
-      */
-     public Uri getDataUri() {
-         return mUri;
-     }
-
-     /**
-      * Set Content-id value
-      *
-      * @param contentId the content-id value
-      * @throws NullPointerException if the value is null.
-      */
-     public void setContentId(byte[] contentId) {
-         if((contentId == null) || (contentId.length == 0)) {
-             throw new IllegalArgumentException(
-                     "Content-Id may not be null or empty.");
-         }
-
-         if ((contentId.length > 1)
-                 && ((char) contentId[0] == '<')
-                 && ((char) contentId[contentId.length - 1] == '>')) {
-             mPartHeader.put(P_CONTENT_ID, contentId);
-             return;
-         }
-
-         // Insert beginning '<' and trailing '>' for Content-Id.
-         byte[] buffer = new byte[contentId.length + 2];
-         buffer[0] = (byte) (0xff & '<');
-         buffer[buffer.length - 1] = (byte) (0xff & '>');
-         System.arraycopy(contentId, 0, buffer, 1, contentId.length);
-         mPartHeader.put(P_CONTENT_ID, buffer);
-     }
-
-     /**
-      * Get Content-id value.
-      *
-      * @return the value
-      */
-     public byte[] getContentId() {
-         return (byte[]) mPartHeader.get(P_CONTENT_ID);
-     }
-
-     /**
-      * Set Char-set value.
-      *
-      * @param charset the value
-      */
-     public void setCharset(int charset) {
-         mPartHeader.put(P_CHARSET, charset);
-     }
-
-     /**
-      * Get Char-set value
-      *
-      * @return the charset value. Return 0 if charset was not set.
-      */
-     public int getCharset() {
-         Integer charset = (Integer) mPartHeader.get(P_CHARSET);
-         if(charset == null) {
-             return 0;
-         } else {
-             return charset.intValue();
-         }
-     }
-
-     /**
-      * Set Content-Location value.
-      *
-      * @param contentLocation the value
-      * @throws NullPointerException if the value is null.
-      */
-     public void setContentLocation(byte[] contentLocation) {
-         if(contentLocation == null) {
-             throw new NullPointerException("null content-location");
-         }
-
-         mPartHeader.put(P_CONTENT_LOCATION, contentLocation);
-     }
-
-     /**
-      * Get Content-Location value.
-      *
-      * @return the value
-      *     return PduPart.disposition[0] instead of <Octet 128> (Form-data).
-      *     return PduPart.disposition[1] instead of <Octet 129> (Attachment).
-      *     return PduPart.disposition[2] instead of <Octet 130> (Inline).
-      */
-     public byte[] getContentLocation() {
-         return (byte[]) mPartHeader.get(P_CONTENT_LOCATION);
-     }
-
-     /**
-      * Set Content-Disposition value.
-      * Use PduPart.disposition[0] instead of <Octet 128> (Form-data).
-      * Use PduPart.disposition[1] instead of <Octet 129> (Attachment).
-      * Use PduPart.disposition[2] instead of <Octet 130> (Inline).
-      *
-      * @param contentDisposition the value
-      * @throws NullPointerException if the value is null.
-      */
-     public void setContentDisposition(byte[] contentDisposition) {
-         if(contentDisposition == null) {
-             throw new NullPointerException("null content-disposition");
-         }
-
-         mPartHeader.put(P_CONTENT_DISPOSITION, contentDisposition);
-     }
-
-     /**
-      * Get Content-Disposition value.
-      *
-      * @return the value
-      */
-     public byte[] getContentDisposition() {
-         return (byte[]) mPartHeader.get(P_CONTENT_DISPOSITION);
-     }
-
-     /**
-      *  Set Content-Type value.
-      *
-      *  @param value the value
-      *  @throws NullPointerException if the value is null.
-      */
-     public void setContentType(byte[] contentType) {
-         if(contentType == null) {
-             throw new NullPointerException("null content-type");
-         }
-
-         mPartHeader.put(P_CONTENT_TYPE, contentType);
-     }
-
-     /**
-      * Get Content-Type value of part.
-      *
-      * @return the value
-      */
-     public byte[] getContentType() {
-         return (byte[]) mPartHeader.get(P_CONTENT_TYPE);
-     }
-
-     /**
-      * Set Content-Transfer-Encoding value
-      *
-      * @param contentId the content-id value
-      * @throws NullPointerException if the value is null.
-      */
-     public void setContentTransferEncoding(byte[] contentTransferEncoding) {
-         if(contentTransferEncoding == null) {
-             throw new NullPointerException("null content-transfer-encoding");
-         }
-
-         mPartHeader.put(P_CONTENT_TRANSFER_ENCODING, contentTransferEncoding);
-     }
-
-     /**
-      * Get Content-Transfer-Encoding value.
-      *
-      * @return the value
-      */
-     public byte[] getContentTransferEncoding() {
-         return (byte[]) mPartHeader.get(P_CONTENT_TRANSFER_ENCODING);
-     }
-
-     /**
-      * Set Content-type parameter: name.
-      *
-      * @param name the name value
-      * @throws NullPointerException if the value is null.
-      */
-     public void setName(byte[] name) {
-         if(null == name) {
-             throw new NullPointerException("null content-id");
-         }
-
-         mPartHeader.put(P_NAME, name);
-     }
-
-     /**
-      *  Get content-type parameter: name.
-      *
-      *  @return the name
-      */
-     public byte[] getName() {
-         return (byte[]) mPartHeader.get(P_NAME);
-     }
-
-     /**
-      * Get Content-disposition parameter: filename
-      *
-      * @param fileName the filename value
-      * @throws NullPointerException if the value is null.
-      */
-     public void setFilename(byte[] fileName) {
-         if(null == fileName) {
-             throw new NullPointerException("null content-id");
-         }
-
-         mPartHeader.put(P_FILENAME, fileName);
-     }
-
-     /**
-      * Set Content-disposition parameter: filename
-      *
-      * @return the filename
-      */
-     public byte[] getFilename() {
-         return (byte[]) mPartHeader.get(P_FILENAME);
-     }
-
-    public String generateLocation() {
-        // Assumption: At least one of the content-location / name / filename
-        // or content-id should be set. This is guaranteed by the PduParser
-        // for incoming messages and by MM composer for outgoing messages.
-        byte[] location = (byte[]) mPartHeader.get(P_NAME);
-        if(null == location) {
-            location = (byte[]) mPartHeader.get(P_FILENAME);
-
-            if (null == location) {
-                location = (byte[]) mPartHeader.get(P_CONTENT_LOCATION);
-            }
-        }
-
-        if (null == location) {
-            byte[] contentId = (byte[]) mPartHeader.get(P_CONTENT_ID);
-            return "cid:" + new String(contentId);
-        } else {
-            return new String(location);
-        }
-    }
-}
-
diff --git a/src/java/com/google/android/mms/pdu/PduPersister.java b/src/java/com/google/android/mms/pdu/PduPersister.java
deleted file mode 100755
index fa7dad1..0000000
--- a/src/java/com/google/android/mms/pdu/PduPersister.java
+++ /dev/null
@@ -1,1572 +0,0 @@
-/*
- * Copyright (C) 2007-2008 Esmertec AG.
- * Copyright (C) 2007-2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.ContentType;
-import com.google.android.mms.InvalidHeaderValueException;
-import com.google.android.mms.MmsException;
-import com.google.android.mms.util.DownloadDrmHelper;
-import com.google.android.mms.util.DrmConvertSession;
-import com.google.android.mms.util.PduCache;
-import com.google.android.mms.util.PduCacheEntry;
-import com.google.android.mms.util.SqliteWrapper;
-
-import android.content.ContentResolver;
-import android.content.ContentUris;
-import android.content.ContentValues;
-import android.content.Context;
-import android.database.Cursor;
-import android.database.DatabaseUtils;
-import android.database.sqlite.SQLiteException;
-import android.drm.DrmManagerClient;
-import android.net.Uri;
-import android.provider.MediaStore;
-import android.provider.Telephony;
-import android.provider.Telephony.Mms;
-import android.provider.Telephony.MmsSms;
-import android.provider.Telephony.Threads;
-import android.provider.Telephony.Mms.Addr;
-import android.provider.Telephony.Mms.Part;
-import android.provider.Telephony.MmsSms.PendingMessages;
-import android.telephony.PhoneNumberUtils;
-import android.telephony.TelephonyManager;
-import android.text.TextUtils;
-import android.util.Log;
-
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-import java.util.Map.Entry;
-
-import com.google.android.mms.pdu.EncodedStringValue;
-
-/**
- * This class is the high-level manager of PDU storage.
- */
-public class PduPersister {
-    private static final String TAG = "PduPersister";
-    private static final boolean DEBUG = false;
-    private static final boolean LOCAL_LOGV = false;
-
-    private static final long DUMMY_THREAD_ID = Long.MAX_VALUE;
-
-    /**
-     * The uri of temporary drm objects.
-     */
-    public static final String TEMPORARY_DRM_OBJECT_URI =
-        "content://mms/" + Long.MAX_VALUE + "/part";
-    /**
-     * Indicate that we transiently failed to process a MM.
-     */
-    public static final int PROC_STATUS_TRANSIENT_FAILURE   = 1;
-    /**
-     * Indicate that we permanently failed to process a MM.
-     */
-    public static final int PROC_STATUS_PERMANENTLY_FAILURE = 2;
-    /**
-     * Indicate that we have successfully processed a MM.
-     */
-    public static final int PROC_STATUS_COMPLETED           = 3;
-
-    private static PduPersister sPersister;
-    private static final PduCache PDU_CACHE_INSTANCE;
-
-    private static final int[] ADDRESS_FIELDS = new int[] {
-            PduHeaders.BCC,
-            PduHeaders.CC,
-            PduHeaders.FROM,
-            PduHeaders.TO
-    };
-
-    private static final String[] PDU_PROJECTION = new String[] {
-        Mms._ID,
-        Mms.MESSAGE_BOX,
-        Mms.THREAD_ID,
-        Mms.RETRIEVE_TEXT,
-        Mms.SUBJECT,
-        Mms.CONTENT_LOCATION,
-        Mms.CONTENT_TYPE,
-        Mms.MESSAGE_CLASS,
-        Mms.MESSAGE_ID,
-        Mms.RESPONSE_TEXT,
-        Mms.TRANSACTION_ID,
-        Mms.CONTENT_CLASS,
-        Mms.DELIVERY_REPORT,
-        Mms.MESSAGE_TYPE,
-        Mms.MMS_VERSION,
-        Mms.PRIORITY,
-        Mms.READ_REPORT,
-        Mms.READ_STATUS,
-        Mms.REPORT_ALLOWED,
-        Mms.RETRIEVE_STATUS,
-        Mms.STATUS,
-        Mms.DATE,
-        Mms.DELIVERY_TIME,
-        Mms.EXPIRY,
-        Mms.MESSAGE_SIZE,
-        Mms.SUBJECT_CHARSET,
-        Mms.RETRIEVE_TEXT_CHARSET,
-    };
-
-    private static final int PDU_COLUMN_ID                    = 0;
-    private static final int PDU_COLUMN_MESSAGE_BOX           = 1;
-    private static final int PDU_COLUMN_THREAD_ID             = 2;
-    private static final int PDU_COLUMN_RETRIEVE_TEXT         = 3;
-    private static final int PDU_COLUMN_SUBJECT               = 4;
-    private static final int PDU_COLUMN_CONTENT_LOCATION      = 5;
-    private static final int PDU_COLUMN_CONTENT_TYPE          = 6;
-    private static final int PDU_COLUMN_MESSAGE_CLASS         = 7;
-    private static final int PDU_COLUMN_MESSAGE_ID            = 8;
-    private static final int PDU_COLUMN_RESPONSE_TEXT         = 9;
-    private static final int PDU_COLUMN_TRANSACTION_ID        = 10;
-    private static final int PDU_COLUMN_CONTENT_CLASS         = 11;
-    private static final int PDU_COLUMN_DELIVERY_REPORT       = 12;
-    private static final int PDU_COLUMN_MESSAGE_TYPE          = 13;
-    private static final int PDU_COLUMN_MMS_VERSION           = 14;
-    private static final int PDU_COLUMN_PRIORITY              = 15;
-    private static final int PDU_COLUMN_READ_REPORT           = 16;
-    private static final int PDU_COLUMN_READ_STATUS           = 17;
-    private static final int PDU_COLUMN_REPORT_ALLOWED        = 18;
-    private static final int PDU_COLUMN_RETRIEVE_STATUS       = 19;
-    private static final int PDU_COLUMN_STATUS                = 20;
-    private static final int PDU_COLUMN_DATE                  = 21;
-    private static final int PDU_COLUMN_DELIVERY_TIME         = 22;
-    private static final int PDU_COLUMN_EXPIRY                = 23;
-    private static final int PDU_COLUMN_MESSAGE_SIZE          = 24;
-    private static final int PDU_COLUMN_SUBJECT_CHARSET       = 25;
-    private static final int PDU_COLUMN_RETRIEVE_TEXT_CHARSET = 26;
-
-    private static final String[] PART_PROJECTION = new String[] {
-        Part._ID,
-        Part.CHARSET,
-        Part.CONTENT_DISPOSITION,
-        Part.CONTENT_ID,
-        Part.CONTENT_LOCATION,
-        Part.CONTENT_TYPE,
-        Part.FILENAME,
-        Part.NAME,
-        Part.TEXT
-    };
-
-    private static final int PART_COLUMN_ID                  = 0;
-    private static final int PART_COLUMN_CHARSET             = 1;
-    private static final int PART_COLUMN_CONTENT_DISPOSITION = 2;
-    private static final int PART_COLUMN_CONTENT_ID          = 3;
-    private static final int PART_COLUMN_CONTENT_LOCATION    = 4;
-    private static final int PART_COLUMN_CONTENT_TYPE        = 5;
-    private static final int PART_COLUMN_FILENAME            = 6;
-    private static final int PART_COLUMN_NAME                = 7;
-    private static final int PART_COLUMN_TEXT                = 8;
-
-    private static final HashMap<Uri, Integer> MESSAGE_BOX_MAP;
-    // These map are used for convenience in persist() and load().
-    private static final HashMap<Integer, Integer> CHARSET_COLUMN_INDEX_MAP;
-    private static final HashMap<Integer, Integer> ENCODED_STRING_COLUMN_INDEX_MAP;
-    private static final HashMap<Integer, Integer> TEXT_STRING_COLUMN_INDEX_MAP;
-    private static final HashMap<Integer, Integer> OCTET_COLUMN_INDEX_MAP;
-    private static final HashMap<Integer, Integer> LONG_COLUMN_INDEX_MAP;
-    private static final HashMap<Integer, String> CHARSET_COLUMN_NAME_MAP;
-    private static final HashMap<Integer, String> ENCODED_STRING_COLUMN_NAME_MAP;
-    private static final HashMap<Integer, String> TEXT_STRING_COLUMN_NAME_MAP;
-    private static final HashMap<Integer, String> OCTET_COLUMN_NAME_MAP;
-    private static final HashMap<Integer, String> LONG_COLUMN_NAME_MAP;
-
-    static {
-        MESSAGE_BOX_MAP = new HashMap<Uri, Integer>();
-        MESSAGE_BOX_MAP.put(Mms.Inbox.CONTENT_URI,  Mms.MESSAGE_BOX_INBOX);
-        MESSAGE_BOX_MAP.put(Mms.Sent.CONTENT_URI,   Mms.MESSAGE_BOX_SENT);
-        MESSAGE_BOX_MAP.put(Mms.Draft.CONTENT_URI,  Mms.MESSAGE_BOX_DRAFTS);
-        MESSAGE_BOX_MAP.put(Mms.Outbox.CONTENT_URI, Mms.MESSAGE_BOX_OUTBOX);
-
-        CHARSET_COLUMN_INDEX_MAP = new HashMap<Integer, Integer>();
-        CHARSET_COLUMN_INDEX_MAP.put(PduHeaders.SUBJECT, PDU_COLUMN_SUBJECT_CHARSET);
-        CHARSET_COLUMN_INDEX_MAP.put(PduHeaders.RETRIEVE_TEXT, PDU_COLUMN_RETRIEVE_TEXT_CHARSET);
-
-        CHARSET_COLUMN_NAME_MAP = new HashMap<Integer, String>();
-        CHARSET_COLUMN_NAME_MAP.put(PduHeaders.SUBJECT, Mms.SUBJECT_CHARSET);
-        CHARSET_COLUMN_NAME_MAP.put(PduHeaders.RETRIEVE_TEXT, Mms.RETRIEVE_TEXT_CHARSET);
-
-        // Encoded string field code -> column index/name map.
-        ENCODED_STRING_COLUMN_INDEX_MAP = new HashMap<Integer, Integer>();
-        ENCODED_STRING_COLUMN_INDEX_MAP.put(PduHeaders.RETRIEVE_TEXT, PDU_COLUMN_RETRIEVE_TEXT);
-        ENCODED_STRING_COLUMN_INDEX_MAP.put(PduHeaders.SUBJECT, PDU_COLUMN_SUBJECT);
-
-        ENCODED_STRING_COLUMN_NAME_MAP = new HashMap<Integer, String>();
-        ENCODED_STRING_COLUMN_NAME_MAP.put(PduHeaders.RETRIEVE_TEXT, Mms.RETRIEVE_TEXT);
-        ENCODED_STRING_COLUMN_NAME_MAP.put(PduHeaders.SUBJECT, Mms.SUBJECT);
-
-        // Text string field code -> column index/name map.
-        TEXT_STRING_COLUMN_INDEX_MAP = new HashMap<Integer, Integer>();
-        TEXT_STRING_COLUMN_INDEX_MAP.put(PduHeaders.CONTENT_LOCATION, PDU_COLUMN_CONTENT_LOCATION);
-        TEXT_STRING_COLUMN_INDEX_MAP.put(PduHeaders.CONTENT_TYPE, PDU_COLUMN_CONTENT_TYPE);
-        TEXT_STRING_COLUMN_INDEX_MAP.put(PduHeaders.MESSAGE_CLASS, PDU_COLUMN_MESSAGE_CLASS);
-        TEXT_STRING_COLUMN_INDEX_MAP.put(PduHeaders.MESSAGE_ID, PDU_COLUMN_MESSAGE_ID);
-        TEXT_STRING_COLUMN_INDEX_MAP.put(PduHeaders.RESPONSE_TEXT, PDU_COLUMN_RESPONSE_TEXT);
-        TEXT_STRING_COLUMN_INDEX_MAP.put(PduHeaders.TRANSACTION_ID, PDU_COLUMN_TRANSACTION_ID);
-
-        TEXT_STRING_COLUMN_NAME_MAP = new HashMap<Integer, String>();
-        TEXT_STRING_COLUMN_NAME_MAP.put(PduHeaders.CONTENT_LOCATION, Mms.CONTENT_LOCATION);
-        TEXT_STRING_COLUMN_NAME_MAP.put(PduHeaders.CONTENT_TYPE, Mms.CONTENT_TYPE);
-        TEXT_STRING_COLUMN_NAME_MAP.put(PduHeaders.MESSAGE_CLASS, Mms.MESSAGE_CLASS);
-        TEXT_STRING_COLUMN_NAME_MAP.put(PduHeaders.MESSAGE_ID, Mms.MESSAGE_ID);
-        TEXT_STRING_COLUMN_NAME_MAP.put(PduHeaders.RESPONSE_TEXT, Mms.RESPONSE_TEXT);
-        TEXT_STRING_COLUMN_NAME_MAP.put(PduHeaders.TRANSACTION_ID, Mms.TRANSACTION_ID);
-
-        // Octet field code -> column index/name map.
-        OCTET_COLUMN_INDEX_MAP = new HashMap<Integer, Integer>();
-        OCTET_COLUMN_INDEX_MAP.put(PduHeaders.CONTENT_CLASS, PDU_COLUMN_CONTENT_CLASS);
-        OCTET_COLUMN_INDEX_MAP.put(PduHeaders.DELIVERY_REPORT, PDU_COLUMN_DELIVERY_REPORT);
-        OCTET_COLUMN_INDEX_MAP.put(PduHeaders.MESSAGE_TYPE, PDU_COLUMN_MESSAGE_TYPE);
-        OCTET_COLUMN_INDEX_MAP.put(PduHeaders.MMS_VERSION, PDU_COLUMN_MMS_VERSION);
-        OCTET_COLUMN_INDEX_MAP.put(PduHeaders.PRIORITY, PDU_COLUMN_PRIORITY);
-        OCTET_COLUMN_INDEX_MAP.put(PduHeaders.READ_REPORT, PDU_COLUMN_READ_REPORT);
-        OCTET_COLUMN_INDEX_MAP.put(PduHeaders.READ_STATUS, PDU_COLUMN_READ_STATUS);
-        OCTET_COLUMN_INDEX_MAP.put(PduHeaders.REPORT_ALLOWED, PDU_COLUMN_REPORT_ALLOWED);
-        OCTET_COLUMN_INDEX_MAP.put(PduHeaders.RETRIEVE_STATUS, PDU_COLUMN_RETRIEVE_STATUS);
-        OCTET_COLUMN_INDEX_MAP.put(PduHeaders.STATUS, PDU_COLUMN_STATUS);
-
-        OCTET_COLUMN_NAME_MAP = new HashMap<Integer, String>();
-        OCTET_COLUMN_NAME_MAP.put(PduHeaders.CONTENT_CLASS, Mms.CONTENT_CLASS);
-        OCTET_COLUMN_NAME_MAP.put(PduHeaders.DELIVERY_REPORT, Mms.DELIVERY_REPORT);
-        OCTET_COLUMN_NAME_MAP.put(PduHeaders.MESSAGE_TYPE, Mms.MESSAGE_TYPE);
-        OCTET_COLUMN_NAME_MAP.put(PduHeaders.MMS_VERSION, Mms.MMS_VERSION);
-        OCTET_COLUMN_NAME_MAP.put(PduHeaders.PRIORITY, Mms.PRIORITY);
-        OCTET_COLUMN_NAME_MAP.put(PduHeaders.READ_REPORT, Mms.READ_REPORT);
-        OCTET_COLUMN_NAME_MAP.put(PduHeaders.READ_STATUS, Mms.READ_STATUS);
-        OCTET_COLUMN_NAME_MAP.put(PduHeaders.REPORT_ALLOWED, Mms.REPORT_ALLOWED);
-        OCTET_COLUMN_NAME_MAP.put(PduHeaders.RETRIEVE_STATUS, Mms.RETRIEVE_STATUS);
-        OCTET_COLUMN_NAME_MAP.put(PduHeaders.STATUS, Mms.STATUS);
-
-        // Long field code -> column index/name map.
-        LONG_COLUMN_INDEX_MAP = new HashMap<Integer, Integer>();
-        LONG_COLUMN_INDEX_MAP.put(PduHeaders.DATE, PDU_COLUMN_DATE);
-        LONG_COLUMN_INDEX_MAP.put(PduHeaders.DELIVERY_TIME, PDU_COLUMN_DELIVERY_TIME);
-        LONG_COLUMN_INDEX_MAP.put(PduHeaders.EXPIRY, PDU_COLUMN_EXPIRY);
-        LONG_COLUMN_INDEX_MAP.put(PduHeaders.MESSAGE_SIZE, PDU_COLUMN_MESSAGE_SIZE);
-
-        LONG_COLUMN_NAME_MAP = new HashMap<Integer, String>();
-        LONG_COLUMN_NAME_MAP.put(PduHeaders.DATE, Mms.DATE);
-        LONG_COLUMN_NAME_MAP.put(PduHeaders.DELIVERY_TIME, Mms.DELIVERY_TIME);
-        LONG_COLUMN_NAME_MAP.put(PduHeaders.EXPIRY, Mms.EXPIRY);
-        LONG_COLUMN_NAME_MAP.put(PduHeaders.MESSAGE_SIZE, Mms.MESSAGE_SIZE);
-
-        PDU_CACHE_INSTANCE = PduCache.getInstance();
-     }
-
-    private final Context mContext;
-    private final ContentResolver mContentResolver;
-    private final DrmManagerClient mDrmManagerClient;
-    private final TelephonyManager mTelephonyManager;
-
-    private PduPersister(Context context) {
-        mContext = context;
-        mContentResolver = context.getContentResolver();
-        mDrmManagerClient = new DrmManagerClient(context);
-        mTelephonyManager = (TelephonyManager)context
-                .getSystemService(Context.TELEPHONY_SERVICE);
-     }
-
-    /** Get(or create if not exist) an instance of PduPersister */
-    public static PduPersister getPduPersister(Context context) {
-        if ((sPersister == null)) {
-            sPersister = new PduPersister(context);
-        } else if (!context.equals(sPersister.mContext)) {
-            sPersister.release();
-            sPersister = new PduPersister(context);
-        }
-
-        return sPersister;
-    }
-
-    private void setEncodedStringValueToHeaders(
-            Cursor c, int columnIndex,
-            PduHeaders headers, int mapColumn) {
-        String s = c.getString(columnIndex);
-        if ((s != null) && (s.length() > 0)) {
-            int charsetColumnIndex = CHARSET_COLUMN_INDEX_MAP.get(mapColumn);
-            int charset = c.getInt(charsetColumnIndex);
-            EncodedStringValue value = new EncodedStringValue(
-                    charset, getBytes(s));
-            headers.setEncodedStringValue(value, mapColumn);
-        }
-    }
-
-    private void setTextStringToHeaders(
-            Cursor c, int columnIndex,
-            PduHeaders headers, int mapColumn) {
-        String s = c.getString(columnIndex);
-        if (s != null) {
-            headers.setTextString(getBytes(s), mapColumn);
-        }
-    }
-
-    private void setOctetToHeaders(
-            Cursor c, int columnIndex,
-            PduHeaders headers, int mapColumn) throws InvalidHeaderValueException {
-        if (!c.isNull(columnIndex)) {
-            int b = c.getInt(columnIndex);
-            headers.setOctet(b, mapColumn);
-        }
-    }
-
-    private void setLongToHeaders(
-            Cursor c, int columnIndex,
-            PduHeaders headers, int mapColumn) {
-        if (!c.isNull(columnIndex)) {
-            long l = c.getLong(columnIndex);
-            headers.setLongInteger(l, mapColumn);
-        }
-    }
-
-    private Integer getIntegerFromPartColumn(Cursor c, int columnIndex) {
-        if (!c.isNull(columnIndex)) {
-            return c.getInt(columnIndex);
-        }
-        return null;
-    }
-
-    private byte[] getByteArrayFromPartColumn(Cursor c, int columnIndex) {
-        if (!c.isNull(columnIndex)) {
-            return getBytes(c.getString(columnIndex));
-        }
-        return null;
-    }
-
-    private PduPart[] loadParts(long msgId) throws MmsException {
-        Cursor c = SqliteWrapper.query(mContext, mContentResolver,
-                Uri.parse("content://mms/" + msgId + "/part"),
-                PART_PROJECTION, null, null, null);
-
-        PduPart[] parts = null;
-
-        try {
-            if ((c == null) || (c.getCount() == 0)) {
-                if (LOCAL_LOGV) {
-                    Log.v(TAG, "loadParts(" + msgId + "): no part to load.");
-                }
-                return null;
-            }
-
-            int partCount = c.getCount();
-            int partIdx = 0;
-            parts = new PduPart[partCount];
-            while (c.moveToNext()) {
-                PduPart part = new PduPart();
-                Integer charset = getIntegerFromPartColumn(
-                        c, PART_COLUMN_CHARSET);
-                if (charset != null) {
-                    part.setCharset(charset);
-                }
-
-                byte[] contentDisposition = getByteArrayFromPartColumn(
-                        c, PART_COLUMN_CONTENT_DISPOSITION);
-                if (contentDisposition != null) {
-                    part.setContentDisposition(contentDisposition);
-                }
-
-                byte[] contentId = getByteArrayFromPartColumn(
-                        c, PART_COLUMN_CONTENT_ID);
-                if (contentId != null) {
-                    part.setContentId(contentId);
-                }
-
-                byte[] contentLocation = getByteArrayFromPartColumn(
-                        c, PART_COLUMN_CONTENT_LOCATION);
-                if (contentLocation != null) {
-                    part.setContentLocation(contentLocation);
-                }
-
-                byte[] contentType = getByteArrayFromPartColumn(
-                        c, PART_COLUMN_CONTENT_TYPE);
-                if (contentType != null) {
-                    part.setContentType(contentType);
-                } else {
-                    throw new MmsException("Content-Type must be set.");
-                }
-
-                byte[] fileName = getByteArrayFromPartColumn(
-                        c, PART_COLUMN_FILENAME);
-                if (fileName != null) {
-                    part.setFilename(fileName);
-                }
-
-                byte[] name = getByteArrayFromPartColumn(
-                        c, PART_COLUMN_NAME);
-                if (name != null) {
-                    part.setName(name);
-                }
-
-                // Construct a Uri for this part.
-                long partId = c.getLong(PART_COLUMN_ID);
-                Uri partURI = Uri.parse("content://mms/part/" + partId);
-                part.setDataUri(partURI);
-
-                // For images/audio/video, we won't keep their data in Part
-                // because their renderer accept Uri as source.
-                String type = toIsoString(contentType);
-                if (!ContentType.isImageType(type)
-                        && !ContentType.isAudioType(type)
-                        && !ContentType.isVideoType(type)) {
-                    ByteArrayOutputStream baos = new ByteArrayOutputStream();
-                    InputStream is = null;
-
-                    // Store simple string values directly in the database instead of an
-                    // external file.  This makes the text searchable and retrieval slightly
-                    // faster.
-                    if (ContentType.TEXT_PLAIN.equals(type) || ContentType.APP_SMIL.equals(type)
-                            || ContentType.TEXT_HTML.equals(type)) {
-                        String text = c.getString(PART_COLUMN_TEXT);
-                        byte [] blob = new EncodedStringValue(text != null ? text : "")
-                            .getTextString();
-                        baos.write(blob, 0, blob.length);
-                    } else {
-
-                        try {
-                            is = mContentResolver.openInputStream(partURI);
-
-                            byte[] buffer = new byte[256];
-                            int len = is.read(buffer);
-                            while (len >= 0) {
-                                baos.write(buffer, 0, len);
-                                len = is.read(buffer);
-                            }
-                        } catch (IOException e) {
-                            Log.e(TAG, "Failed to load part data", e);
-                            c.close();
-                            throw new MmsException(e);
-                        } finally {
-                            if (is != null) {
-                                try {
-                                    is.close();
-                                } catch (IOException e) {
-                                    Log.e(TAG, "Failed to close stream", e);
-                                } // Ignore
-                            }
-                        }
-                    }
-                    part.setData(baos.toByteArray());
-                }
-                parts[partIdx++] = part;
-            }
-        } finally {
-            if (c != null) {
-                c.close();
-            }
-        }
-
-        return parts;
-    }
-
-    private void loadAddress(long msgId, PduHeaders headers) {
-        Cursor c = SqliteWrapper.query(mContext, mContentResolver,
-                Uri.parse("content://mms/" + msgId + "/addr"),
-                new String[] { Addr.ADDRESS, Addr.CHARSET, Addr.TYPE },
-                null, null, null);
-
-        if (c != null) {
-            try {
-                while (c.moveToNext()) {
-                    String addr = c.getString(0);
-                    if (!TextUtils.isEmpty(addr)) {
-                        int addrType = c.getInt(2);
-                        switch (addrType) {
-                            case PduHeaders.FROM:
-                                headers.setEncodedStringValue(
-                                        new EncodedStringValue(c.getInt(1), getBytes(addr)),
-                                        addrType);
-                                break;
-                            case PduHeaders.TO:
-                            case PduHeaders.CC:
-                            case PduHeaders.BCC:
-                                headers.appendEncodedStringValue(
-                                        new EncodedStringValue(c.getInt(1), getBytes(addr)),
-                                        addrType);
-                                break;
-                            default:
-                                Log.e(TAG, "Unknown address type: " + addrType);
-                                break;
-                        }
-                    }
-                }
-            } finally {
-                c.close();
-            }
-        }
-    }
-
-    /**
-     * Load a PDU from storage by given Uri.
-     *
-     * @param uri The Uri of the PDU to be loaded.
-     * @return A generic PDU object, it may be cast to dedicated PDU.
-     * @throws MmsException Failed to load some fields of a PDU.
-     */
-    public GenericPdu load(Uri uri) throws MmsException {
-        GenericPdu pdu = null;
-        PduCacheEntry cacheEntry = null;
-        int msgBox = 0;
-        long threadId = -1;
-        try {
-            synchronized(PDU_CACHE_INSTANCE) {
-                if (PDU_CACHE_INSTANCE.isUpdating(uri)) {
-                    if (LOCAL_LOGV) {
-                        Log.v(TAG, "load: " + uri + " blocked by isUpdating()");
-                    }
-                    try {
-                        PDU_CACHE_INSTANCE.wait();
-                    } catch (InterruptedException e) {
-                        Log.e(TAG, "load: ", e);
-                    }
-                    cacheEntry = PDU_CACHE_INSTANCE.get(uri);
-                    if (cacheEntry != null) {
-                        return cacheEntry.getPdu();
-                    }
-                }
-                // Tell the cache to indicate to other callers that this item
-                // is currently being updated.
-                PDU_CACHE_INSTANCE.setUpdating(uri, true);
-            }
-
-            Cursor c = SqliteWrapper.query(mContext, mContentResolver, uri,
-                    PDU_PROJECTION, null, null, null);
-            PduHeaders headers = new PduHeaders();
-            Set<Entry<Integer, Integer>> set;
-            long msgId = ContentUris.parseId(uri);
-
-            try {
-                if ((c == null) || (c.getCount() != 1) || !c.moveToFirst()) {
-                    throw new MmsException("Bad uri: " + uri);
-                }
-
-                msgBox = c.getInt(PDU_COLUMN_MESSAGE_BOX);
-                threadId = c.getLong(PDU_COLUMN_THREAD_ID);
-
-                set = ENCODED_STRING_COLUMN_INDEX_MAP.entrySet();
-                for (Entry<Integer, Integer> e : set) {
-                    setEncodedStringValueToHeaders(
-                            c, e.getValue(), headers, e.getKey());
-                }
-
-                set = TEXT_STRING_COLUMN_INDEX_MAP.entrySet();
-                for (Entry<Integer, Integer> e : set) {
-                    setTextStringToHeaders(
-                            c, e.getValue(), headers, e.getKey());
-                }
-
-                set = OCTET_COLUMN_INDEX_MAP.entrySet();
-                for (Entry<Integer, Integer> e : set) {
-                    setOctetToHeaders(
-                            c, e.getValue(), headers, e.getKey());
-                }
-
-                set = LONG_COLUMN_INDEX_MAP.entrySet();
-                for (Entry<Integer, Integer> e : set) {
-                    setLongToHeaders(
-                            c, e.getValue(), headers, e.getKey());
-                }
-            } finally {
-                if (c != null) {
-                    c.close();
-                }
-            }
-
-            // Check whether 'msgId' has been assigned a valid value.
-            if (msgId == -1L) {
-                throw new MmsException("Error! ID of the message: -1.");
-            }
-
-            // Load address information of the MM.
-            loadAddress(msgId, headers);
-
-            int msgType = headers.getOctet(PduHeaders.MESSAGE_TYPE);
-            PduBody body = new PduBody();
-
-            // For PDU which type is M_retrieve.conf or Send.req, we should
-            // load multiparts and put them into the body of the PDU.
-            if ((msgType == PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF)
-                    || (msgType == PduHeaders.MESSAGE_TYPE_SEND_REQ)) {
-                PduPart[] parts = loadParts(msgId);
-                if (parts != null) {
-                    int partsNum = parts.length;
-                    for (int i = 0; i < partsNum; i++) {
-                        body.addPart(parts[i]);
-                    }
-                }
-            }
-
-            switch (msgType) {
-            case PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND:
-                pdu = new NotificationInd(headers);
-                break;
-            case PduHeaders.MESSAGE_TYPE_DELIVERY_IND:
-                pdu = new DeliveryInd(headers);
-                break;
-            case PduHeaders.MESSAGE_TYPE_READ_ORIG_IND:
-                pdu = new ReadOrigInd(headers);
-                break;
-            case PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF:
-                pdu = new RetrieveConf(headers, body);
-                break;
-            case PduHeaders.MESSAGE_TYPE_SEND_REQ:
-                pdu = new SendReq(headers, body);
-                break;
-            case PduHeaders.MESSAGE_TYPE_ACKNOWLEDGE_IND:
-                pdu = new AcknowledgeInd(headers);
-                break;
-            case PduHeaders.MESSAGE_TYPE_NOTIFYRESP_IND:
-                pdu = new NotifyRespInd(headers);
-                break;
-            case PduHeaders.MESSAGE_TYPE_READ_REC_IND:
-                pdu = new ReadRecInd(headers);
-                break;
-            case PduHeaders.MESSAGE_TYPE_SEND_CONF:
-            case PduHeaders.MESSAGE_TYPE_FORWARD_REQ:
-            case PduHeaders.MESSAGE_TYPE_FORWARD_CONF:
-            case PduHeaders.MESSAGE_TYPE_MBOX_STORE_REQ:
-            case PduHeaders.MESSAGE_TYPE_MBOX_STORE_CONF:
-            case PduHeaders.MESSAGE_TYPE_MBOX_VIEW_REQ:
-            case PduHeaders.MESSAGE_TYPE_MBOX_VIEW_CONF:
-            case PduHeaders.MESSAGE_TYPE_MBOX_UPLOAD_REQ:
-            case PduHeaders.MESSAGE_TYPE_MBOX_UPLOAD_CONF:
-            case PduHeaders.MESSAGE_TYPE_MBOX_DELETE_REQ:
-            case PduHeaders.MESSAGE_TYPE_MBOX_DELETE_CONF:
-            case PduHeaders.MESSAGE_TYPE_MBOX_DESCR:
-            case PduHeaders.MESSAGE_TYPE_DELETE_REQ:
-            case PduHeaders.MESSAGE_TYPE_DELETE_CONF:
-            case PduHeaders.MESSAGE_TYPE_CANCEL_REQ:
-            case PduHeaders.MESSAGE_TYPE_CANCEL_CONF:
-                throw new MmsException(
-                        "Unsupported PDU type: " + Integer.toHexString(msgType));
-
-            default:
-                throw new MmsException(
-                        "Unrecognized PDU type: " + Integer.toHexString(msgType));
-            }
-        } finally {
-            synchronized(PDU_CACHE_INSTANCE) {
-                if (pdu != null) {
-                    assert(PDU_CACHE_INSTANCE.get(uri) == null);
-                    // Update the cache entry with the real info
-                    cacheEntry = new PduCacheEntry(pdu, msgBox, threadId);
-                    PDU_CACHE_INSTANCE.put(uri, cacheEntry);
-                }
-                PDU_CACHE_INSTANCE.setUpdating(uri, false);
-                PDU_CACHE_INSTANCE.notifyAll(); // tell anybody waiting on this entry to go ahead
-            }
-        }
-        return pdu;
-    }
-
-    private void persistAddress(
-            long msgId, int type, EncodedStringValue[] array) {
-        ContentValues values = new ContentValues(3);
-
-        for (EncodedStringValue addr : array) {
-            values.clear(); // Clear all values first.
-            values.put(Addr.ADDRESS, toIsoString(addr.getTextString()));
-            values.put(Addr.CHARSET, addr.getCharacterSet());
-            values.put(Addr.TYPE, type);
-
-            Uri uri = Uri.parse("content://mms/" + msgId + "/addr");
-            SqliteWrapper.insert(mContext, mContentResolver, uri, values);
-        }
-    }
-
-    private static String getPartContentType(PduPart part) {
-        return part.getContentType() == null ? null : toIsoString(part.getContentType());
-    }
-
-    public Uri persistPart(PduPart part, long msgId, HashMap<Uri, InputStream> preOpenedFiles)
-            throws MmsException {
-        Uri uri = Uri.parse("content://mms/" + msgId + "/part");
-        ContentValues values = new ContentValues(8);
-
-        int charset = part.getCharset();
-        if (charset != 0 ) {
-            values.put(Part.CHARSET, charset);
-        }
-
-        String contentType = getPartContentType(part);
-        if (contentType != null) {
-            // There is no "image/jpg" in Android (and it's an invalid mimetype).
-            // Change it to "image/jpeg"
-            if (ContentType.IMAGE_JPG.equals(contentType)) {
-                contentType = ContentType.IMAGE_JPEG;
-            }
-
-            values.put(Part.CONTENT_TYPE, contentType);
-            // To ensure the SMIL part is always the first part.
-            if (ContentType.APP_SMIL.equals(contentType)) {
-                values.put(Part.SEQ, -1);
-            }
-        } else {
-            throw new MmsException("MIME type of the part must be set.");
-        }
-
-        if (part.getFilename() != null) {
-            String fileName = new String(part.getFilename());
-            values.put(Part.FILENAME, fileName);
-        }
-
-        if (part.getName() != null) {
-            String name = new String(part.getName());
-            values.put(Part.NAME, name);
-        }
-
-        Object value = null;
-        if (part.getContentDisposition() != null) {
-            value = toIsoString(part.getContentDisposition());
-            values.put(Part.CONTENT_DISPOSITION, (String) value);
-        }
-
-        if (part.getContentId() != null) {
-            value = toIsoString(part.getContentId());
-            values.put(Part.CONTENT_ID, (String) value);
-        }
-
-        if (part.getContentLocation() != null) {
-            value = toIsoString(part.getContentLocation());
-            values.put(Part.CONTENT_LOCATION, (String) value);
-        }
-
-        Uri res = SqliteWrapper.insert(mContext, mContentResolver, uri, values);
-        if (res == null) {
-            throw new MmsException("Failed to persist part, return null.");
-        }
-
-        persistData(part, res, contentType, preOpenedFiles);
-        // After successfully store the data, we should update
-        // the dataUri of the part.
-        part.setDataUri(res);
-
-        return res;
-    }
-
-    /**
-     * Save data of the part into storage. The source data may be given
-     * by a byte[] or a Uri. If it's a byte[], directly save it
-     * into storage, otherwise load source data from the dataUri and then
-     * save it. If the data is an image, we may scale down it according
-     * to user preference.
-     *
-     * @param part The PDU part which contains data to be saved.
-     * @param uri The URI of the part.
-     * @param contentType The MIME type of the part.
-     * @param preOpenedFiles if not null, a map of preopened InputStreams for the parts.
-     * @throws MmsException Cannot find source data or error occurred
-     *         while saving the data.
-     */
-    private void persistData(PduPart part, Uri uri,
-            String contentType, HashMap<Uri, InputStream> preOpenedFiles)
-            throws MmsException {
-        OutputStream os = null;
-        InputStream is = null;
-        DrmConvertSession drmConvertSession = null;
-        Uri dataUri = null;
-        String path = null;
-
-        try {
-            byte[] data = part.getData();
-            if (ContentType.TEXT_PLAIN.equals(contentType)
-                    || ContentType.APP_SMIL.equals(contentType)
-                    || ContentType.TEXT_HTML.equals(contentType)) {
-                ContentValues cv = new ContentValues();
-                if (data == null) {
-                    data = new String("").getBytes(CharacterSets.DEFAULT_CHARSET_NAME);
-                }
-                cv.put(Telephony.Mms.Part.TEXT, new EncodedStringValue(data).getString());
-                if (mContentResolver.update(uri, cv, null, null) != 1) {
-                    throw new MmsException("unable to update " + uri.toString());
-                }
-            } else {
-                boolean isDrm = DownloadDrmHelper.isDrmConvertNeeded(contentType);
-                if (isDrm) {
-                    if (uri != null) {
-                        try {
-                            path = convertUriToPath(mContext, uri);
-                            if (LOCAL_LOGV) {
-                                Log.v(TAG, "drm uri: " + uri + " path: " + path);
-                            }
-                            File f = new File(path);
-                            long len = f.length();
-                            if (LOCAL_LOGV) {
-                                Log.v(TAG, "drm path: " + path + " len: " + len);
-                            }
-                            if (len > 0) {
-                                // we're not going to re-persist and re-encrypt an already
-                                // converted drm file
-                                return;
-                            }
-                        } catch (Exception e) {
-                            Log.e(TAG, "Can't get file info for: " + part.getDataUri(), e);
-                        }
-                    }
-                    // We haven't converted the file yet, start the conversion
-                    drmConvertSession = DrmConvertSession.open(mContext, contentType);
-                    if (drmConvertSession == null) {
-                        throw new MmsException("Mimetype " + contentType +
-                                " can not be converted.");
-                    }
-                }
-                // uri can look like:
-                // content://mms/part/98
-                os = mContentResolver.openOutputStream(uri);
-                if (data == null) {
-                    dataUri = part.getDataUri();
-                    if ((dataUri == null) || (dataUri == uri)) {
-                        Log.w(TAG, "Can't find data for this part.");
-                        return;
-                    }
-                    // dataUri can look like:
-                    // content://com.google.android.gallery3d.provider/picasa/item/5720646660183715586
-                    if (preOpenedFiles != null && preOpenedFiles.containsKey(dataUri)) {
-                        is = preOpenedFiles.get(dataUri);
-                    }
-                    if (is == null) {
-                        is = mContentResolver.openInputStream(dataUri);
-                    }
-
-                    if (LOCAL_LOGV) {
-                        Log.v(TAG, "Saving data to: " + uri);
-                    }
-
-                    byte[] buffer = new byte[8192];
-                    for (int len = 0; (len = is.read(buffer)) != -1; ) {
-                        if (!isDrm) {
-                            os.write(buffer, 0, len);
-                        } else {
-                            byte[] convertedData = drmConvertSession.convert(buffer, len);
-                            if (convertedData != null) {
-                                os.write(convertedData, 0, convertedData.length);
-                            } else {
-                                throw new MmsException("Error converting drm data.");
-                            }
-                        }
-                    }
-                } else {
-                    if (LOCAL_LOGV) {
-                        Log.v(TAG, "Saving data to: " + uri);
-                    }
-                    if (!isDrm) {
-                        os.write(data);
-                    } else {
-                        dataUri = uri;
-                        byte[] convertedData = drmConvertSession.convert(data, data.length);
-                        if (convertedData != null) {
-                            os.write(convertedData, 0, convertedData.length);
-                        } else {
-                            throw new MmsException("Error converting drm data.");
-                        }
-                    }
-                }
-            }
-        } catch (FileNotFoundException e) {
-            Log.e(TAG, "Failed to open Input/Output stream.", e);
-            throw new MmsException(e);
-        } catch (IOException e) {
-            Log.e(TAG, "Failed to read/write data.", e);
-            throw new MmsException(e);
-        } finally {
-            if (os != null) {
-                try {
-                    os.close();
-                } catch (IOException e) {
-                    Log.e(TAG, "IOException while closing: " + os, e);
-                } // Ignore
-            }
-            if (is != null) {
-                try {
-                    is.close();
-                } catch (IOException e) {
-                    Log.e(TAG, "IOException while closing: " + is, e);
-                } // Ignore
-            }
-            if (drmConvertSession != null) {
-                drmConvertSession.close(path);
-
-                // Reset the permissions on the encrypted part file so everyone has only read
-                // permission.
-                File f = new File(path);
-                ContentValues values = new ContentValues(0);
-                SqliteWrapper.update(mContext, mContentResolver,
-                                     Uri.parse("content://mms/resetFilePerm/" + f.getName()),
-                                     values, null, null);
-            }
-        }
-    }
-
-    /**
-     * This method expects uri in the following format
-     *     content://media/<table_name>/<row_index> (or)
-     *     file://sdcard/test.mp4
-     *     http://test.com/test.mp4
-     *
-     * Here <table_name> shall be "video" or "audio" or "images"
-     * <row_index> the index of the content in given table
-     */
-    static public String convertUriToPath(Context context, Uri uri) {
-        String path = null;
-        if (null != uri) {
-            String scheme = uri.getScheme();
-            if (null == scheme || scheme.equals("") ||
-                    scheme.equals(ContentResolver.SCHEME_FILE)) {
-                path = uri.getPath();
-
-            } else if (scheme.equals("http")) {
-                path = uri.toString();
-
-            } else if (scheme.equals(ContentResolver.SCHEME_CONTENT)) {
-                String[] projection = new String[] {MediaStore.MediaColumns.DATA};
-                Cursor cursor = null;
-                try {
-                    cursor = context.getContentResolver().query(uri, projection, null,
-                            null, null);
-                    if (null == cursor || 0 == cursor.getCount() || !cursor.moveToFirst()) {
-                        throw new IllegalArgumentException("Given Uri could not be found" +
-                                " in media store");
-                    }
-                    int pathIndex = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA);
-                    path = cursor.getString(pathIndex);
-                } catch (SQLiteException e) {
-                    throw new IllegalArgumentException("Given Uri is not formatted in a way " +
-                            "so that it can be found in media store.");
-                } finally {
-                    if (null != cursor) {
-                        cursor.close();
-                    }
-                }
-            } else {
-                throw new IllegalArgumentException("Given Uri scheme is not supported");
-            }
-        }
-        return path;
-    }
-
-    private void updateAddress(
-            long msgId, int type, EncodedStringValue[] array) {
-        // Delete old address information and then insert new ones.
-        SqliteWrapper.delete(mContext, mContentResolver,
-                Uri.parse("content://mms/" + msgId + "/addr"),
-                Addr.TYPE + "=" + type, null);
-
-        persistAddress(msgId, type, array);
-    }
-
-    /**
-     * Update headers of a SendReq.
-     *
-     * @param uri The PDU which need to be updated.
-     * @param pdu New headers.
-     * @throws MmsException Bad URI or updating failed.
-     */
-    public void updateHeaders(Uri uri, SendReq sendReq) {
-        synchronized(PDU_CACHE_INSTANCE) {
-            // If the cache item is getting updated, wait until it's done updating before
-            // purging it.
-            if (PDU_CACHE_INSTANCE.isUpdating(uri)) {
-                if (LOCAL_LOGV) {
-                    Log.v(TAG, "updateHeaders: " + uri + " blocked by isUpdating()");
-                }
-                try {
-                    PDU_CACHE_INSTANCE.wait();
-                } catch (InterruptedException e) {
-                    Log.e(TAG, "updateHeaders: ", e);
-                }
-            }
-        }
-        PDU_CACHE_INSTANCE.purge(uri);
-
-        ContentValues values = new ContentValues(10);
-        byte[] contentType = sendReq.getContentType();
-        if (contentType != null) {
-            values.put(Mms.CONTENT_TYPE, toIsoString(contentType));
-        }
-
-        long date = sendReq.getDate();
-        if (date != -1) {
-            values.put(Mms.DATE, date);
-        }
-
-        int deliveryReport = sendReq.getDeliveryReport();
-        if (deliveryReport != 0) {
-            values.put(Mms.DELIVERY_REPORT, deliveryReport);
-        }
-
-        long expiry = sendReq.getExpiry();
-        if (expiry != -1) {
-            values.put(Mms.EXPIRY, expiry);
-        }
-
-        byte[] msgClass = sendReq.getMessageClass();
-        if (msgClass != null) {
-            values.put(Mms.MESSAGE_CLASS, toIsoString(msgClass));
-        }
-
-        int priority = sendReq.getPriority();
-        if (priority != 0) {
-            values.put(Mms.PRIORITY, priority);
-        }
-
-        int readReport = sendReq.getReadReport();
-        if (readReport != 0) {
-            values.put(Mms.READ_REPORT, readReport);
-        }
-
-        byte[] transId = sendReq.getTransactionId();
-        if (transId != null) {
-            values.put(Mms.TRANSACTION_ID, toIsoString(transId));
-        }
-
-        EncodedStringValue subject = sendReq.getSubject();
-        if (subject != null) {
-            values.put(Mms.SUBJECT, toIsoString(subject.getTextString()));
-            values.put(Mms.SUBJECT_CHARSET, subject.getCharacterSet());
-        } else {
-            values.put(Mms.SUBJECT, "");
-        }
-
-        long messageSize = sendReq.getMessageSize();
-        if (messageSize > 0) {
-            values.put(Mms.MESSAGE_SIZE, messageSize);
-        }
-
-        PduHeaders headers = sendReq.getPduHeaders();
-        HashSet<String> recipients = new HashSet<String>();
-        for (int addrType : ADDRESS_FIELDS) {
-            EncodedStringValue[] array = null;
-            if (addrType == PduHeaders.FROM) {
-                EncodedStringValue v = headers.getEncodedStringValue(addrType);
-                if (v != null) {
-                    array = new EncodedStringValue[1];
-                    array[0] = v;
-                }
-            } else {
-                array = headers.getEncodedStringValues(addrType);
-            }
-
-            if (array != null) {
-                long msgId = ContentUris.parseId(uri);
-                updateAddress(msgId, addrType, array);
-                if (addrType == PduHeaders.TO) {
-                    for (EncodedStringValue v : array) {
-                        if (v != null) {
-                            recipients.add(v.getString());
-                        }
-                    }
-                }
-            }
-        }
-        if (!recipients.isEmpty()) {
-            long threadId = Threads.getOrCreateThreadId(mContext, recipients);
-            values.put(Mms.THREAD_ID, threadId);
-        }
-
-        SqliteWrapper.update(mContext, mContentResolver, uri, values, null, null);
-    }
-
-    private void updatePart(Uri uri, PduPart part, HashMap<Uri, InputStream> preOpenedFiles)
-            throws MmsException {
-        ContentValues values = new ContentValues(7);
-
-        int charset = part.getCharset();
-        if (charset != 0 ) {
-            values.put(Part.CHARSET, charset);
-        }
-
-        String contentType = null;
-        if (part.getContentType() != null) {
-            contentType = toIsoString(part.getContentType());
-            values.put(Part.CONTENT_TYPE, contentType);
-        } else {
-            throw new MmsException("MIME type of the part must be set.");
-        }
-
-        if (part.getFilename() != null) {
-            String fileName = new String(part.getFilename());
-            values.put(Part.FILENAME, fileName);
-        }
-
-        if (part.getName() != null) {
-            String name = new String(part.getName());
-            values.put(Part.NAME, name);
-        }
-
-        Object value = null;
-        if (part.getContentDisposition() != null) {
-            value = toIsoString(part.getContentDisposition());
-            values.put(Part.CONTENT_DISPOSITION, (String) value);
-        }
-
-        if (part.getContentId() != null) {
-            value = toIsoString(part.getContentId());
-            values.put(Part.CONTENT_ID, (String) value);
-        }
-
-        if (part.getContentLocation() != null) {
-            value = toIsoString(part.getContentLocation());
-            values.put(Part.CONTENT_LOCATION, (String) value);
-        }
-
-        SqliteWrapper.update(mContext, mContentResolver, uri, values, null, null);
-
-        // Only update the data when:
-        // 1. New binary data supplied or
-        // 2. The Uri of the part is different from the current one.
-        if ((part.getData() != null)
-                || (uri != part.getDataUri())) {
-            persistData(part, uri, contentType, preOpenedFiles);
-        }
-    }
-
-    /**
-     * Update all parts of a PDU.
-     *
-     * @param uri The PDU which need to be updated.
-     * @param body New message body of the PDU.
-     * @param preOpenedFiles if not null, a map of preopened InputStreams for the parts.
-     * @throws MmsException Bad URI or updating failed.
-     */
-    public void updateParts(Uri uri, PduBody body, HashMap<Uri, InputStream> preOpenedFiles)
-            throws MmsException {
-        try {
-            PduCacheEntry cacheEntry;
-            synchronized(PDU_CACHE_INSTANCE) {
-                if (PDU_CACHE_INSTANCE.isUpdating(uri)) {
-                    if (LOCAL_LOGV) {
-                        Log.v(TAG, "updateParts: " + uri + " blocked by isUpdating()");
-                    }
-                    try {
-                        PDU_CACHE_INSTANCE.wait();
-                    } catch (InterruptedException e) {
-                        Log.e(TAG, "updateParts: ", e);
-                    }
-                    cacheEntry = PDU_CACHE_INSTANCE.get(uri);
-                    if (cacheEntry != null) {
-                        ((MultimediaMessagePdu) cacheEntry.getPdu()).setBody(body);
-                    }
-                }
-                // Tell the cache to indicate to other callers that this item
-                // is currently being updated.
-                PDU_CACHE_INSTANCE.setUpdating(uri, true);
-            }
-
-            ArrayList<PduPart> toBeCreated = new ArrayList<PduPart>();
-            HashMap<Uri, PduPart> toBeUpdated = new HashMap<Uri, PduPart>();
-
-            int partsNum = body.getPartsNum();
-            StringBuilder filter = new StringBuilder().append('(');
-            for (int i = 0; i < partsNum; i++) {
-                PduPart part = body.getPart(i);
-                Uri partUri = part.getDataUri();
-                if ((partUri == null) || !partUri.getAuthority().startsWith("mms")) {
-                    toBeCreated.add(part);
-                } else {
-                    toBeUpdated.put(partUri, part);
-
-                    // Don't use 'i > 0' to determine whether we should append
-                    // 'AND' since 'i = 0' may be skipped in another branch.
-                    if (filter.length() > 1) {
-                        filter.append(" AND ");
-                    }
-
-                    filter.append(Part._ID);
-                    filter.append("!=");
-                    DatabaseUtils.appendEscapedSQLString(filter, partUri.getLastPathSegment());
-                }
-            }
-            filter.append(')');
-
-            long msgId = ContentUris.parseId(uri);
-
-            // Remove the parts which doesn't exist anymore.
-            SqliteWrapper.delete(mContext, mContentResolver,
-                    Uri.parse(Mms.CONTENT_URI + "/" + msgId + "/part"),
-                    filter.length() > 2 ? filter.toString() : null, null);
-
-            // Create new parts which didn't exist before.
-            for (PduPart part : toBeCreated) {
-                persistPart(part, msgId, preOpenedFiles);
-            }
-
-            // Update the modified parts.
-            for (Map.Entry<Uri, PduPart> e : toBeUpdated.entrySet()) {
-                updatePart(e.getKey(), e.getValue(), preOpenedFiles);
-            }
-        } finally {
-            synchronized(PDU_CACHE_INSTANCE) {
-                PDU_CACHE_INSTANCE.setUpdating(uri, false);
-                PDU_CACHE_INSTANCE.notifyAll();
-            }
-        }
-    }
-
-    /**
-     * Persist a PDU object to specific location in the storage.
-     *
-     * @param pdu The PDU object to be stored.
-     * @param uri Where to store the given PDU object.
-     * @param createThreadId if true, this function may create a thread id for the recipients
-     * @param groupMmsEnabled if true, all of the recipients addressed in the PDU will be used
-     *  to create the associated thread. When false, only the sender will be used in finding or
-     *  creating the appropriate thread or conversation.
-     * @param preOpenedFiles if not null, a map of preopened InputStreams for the parts.
-     * @return A Uri which can be used to access the stored PDU.
-     */
-
-    public Uri persist(GenericPdu pdu, Uri uri, boolean createThreadId, boolean groupMmsEnabled,
-            HashMap<Uri, InputStream> preOpenedFiles)
-            throws MmsException {
-        if (uri == null) {
-            throw new MmsException("Uri may not be null.");
-        }
-        long msgId = -1;
-        try {
-            msgId = ContentUris.parseId(uri);
-        } catch (NumberFormatException e) {
-            // the uri ends with "inbox" or something else like that
-        }
-        boolean existingUri = msgId != -1;
-
-        if (!existingUri && MESSAGE_BOX_MAP.get(uri) == null) {
-            throw new MmsException(
-                    "Bad destination, must be one of "
-                    + "content://mms/inbox, content://mms/sent, "
-                    + "content://mms/drafts, content://mms/outbox, "
-                    + "content://mms/temp.");
-        }
-        synchronized(PDU_CACHE_INSTANCE) {
-            // If the cache item is getting updated, wait until it's done updating before
-            // purging it.
-            if (PDU_CACHE_INSTANCE.isUpdating(uri)) {
-                if (LOCAL_LOGV) {
-                    Log.v(TAG, "persist: " + uri + " blocked by isUpdating()");
-                }
-                try {
-                    PDU_CACHE_INSTANCE.wait();
-                } catch (InterruptedException e) {
-                    Log.e(TAG, "persist1: ", e);
-                }
-            }
-        }
-        PDU_CACHE_INSTANCE.purge(uri);
-
-        PduHeaders header = pdu.getPduHeaders();
-        PduBody body = null;
-        ContentValues values = new ContentValues();
-        Set<Entry<Integer, String>> set;
-
-        set = ENCODED_STRING_COLUMN_NAME_MAP.entrySet();
-        for (Entry<Integer, String> e : set) {
-            int field = e.getKey();
-            EncodedStringValue encodedString = header.getEncodedStringValue(field);
-            if (encodedString != null) {
-                String charsetColumn = CHARSET_COLUMN_NAME_MAP.get(field);
-                values.put(e.getValue(), toIsoString(encodedString.getTextString()));
-                values.put(charsetColumn, encodedString.getCharacterSet());
-            }
-        }
-
-        set = TEXT_STRING_COLUMN_NAME_MAP.entrySet();
-        for (Entry<Integer, String> e : set){
-            byte[] text = header.getTextString(e.getKey());
-            if (text != null) {
-                values.put(e.getValue(), toIsoString(text));
-            }
-        }
-
-        set = OCTET_COLUMN_NAME_MAP.entrySet();
-        for (Entry<Integer, String> e : set){
-            int b = header.getOctet(e.getKey());
-            if (b != 0) {
-                values.put(e.getValue(), b);
-            }
-        }
-
-        set = LONG_COLUMN_NAME_MAP.entrySet();
-        for (Entry<Integer, String> e : set){
-            long l = header.getLongInteger(e.getKey());
-            if (l != -1L) {
-                values.put(e.getValue(), l);
-            }
-        }
-
-        HashMap<Integer, EncodedStringValue[]> addressMap =
-                new HashMap<Integer, EncodedStringValue[]>(ADDRESS_FIELDS.length);
-        // Save address information.
-        for (int addrType : ADDRESS_FIELDS) {
-            EncodedStringValue[] array = null;
-            if (addrType == PduHeaders.FROM) {
-                EncodedStringValue v = header.getEncodedStringValue(addrType);
-                if (v != null) {
-                    array = new EncodedStringValue[1];
-                    array[0] = v;
-                }
-            } else {
-                array = header.getEncodedStringValues(addrType);
-            }
-            addressMap.put(addrType, array);
-        }
-
-        HashSet<String> recipients = new HashSet<String>();
-        int msgType = pdu.getMessageType();
-        // Here we only allocate thread ID for M-Notification.ind,
-        // M-Retrieve.conf and M-Send.req.
-        // Some of other PDU types may be allocated a thread ID outside
-        // this scope.
-        if ((msgType == PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND)
-                || (msgType == PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF)
-                || (msgType == PduHeaders.MESSAGE_TYPE_SEND_REQ)) {
-            switch (msgType) {
-                case PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND:
-                case PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF:
-                    loadRecipients(PduHeaders.FROM, recipients, addressMap, false);
-
-                    // For received messages when group MMS is enabled, we want to associate this
-                    // message with the thread composed of all the recipients -- all but our own
-                    // number, that is. This includes the person who sent the
-                    // message or the FROM field (above) in addition to the other people the message
-                    // was addressed to or the TO field. Our own number is in that TO field and
-                    // we have to ignore it in loadRecipients.
-                    if (groupMmsEnabled) {
-                        loadRecipients(PduHeaders.TO, recipients, addressMap, true);
-                        
-                        // Also load any numbers in the CC field to address group messaging
-                        // compatibility issues with devices that place numbers in this field
-                        // for group messages.
-                        loadRecipients(PduHeaders.CC, recipients, addressMap, true);
-                    }
-                    break;
-                case PduHeaders.MESSAGE_TYPE_SEND_REQ:
-                    loadRecipients(PduHeaders.TO, recipients, addressMap, false);
-                    break;
-            }
-            long threadId = 0;
-            if (createThreadId && !recipients.isEmpty()) {
-                // Given all the recipients associated with this message, find (or create) the
-                // correct thread.
-                threadId = Threads.getOrCreateThreadId(mContext, recipients);
-            }
-            values.put(Mms.THREAD_ID, threadId);
-        }
-
-        // Save parts first to avoid inconsistent message is loaded
-        // while saving the parts.
-        long dummyId = System.currentTimeMillis(); // Dummy ID of the msg.
-
-        // Figure out if this PDU is a text-only message
-        boolean textOnly = true;
-
-        // Get body if the PDU is a RetrieveConf or SendReq.
-        if (pdu instanceof MultimediaMessagePdu) {
-            body = ((MultimediaMessagePdu) pdu).getBody();
-            // Start saving parts if necessary.
-            if (body != null) {
-                int partsNum = body.getPartsNum();
-                if (partsNum > 2) {
-                    // For a text-only message there will be two parts: 1-the SMIL, 2-the text.
-                    // Down a few lines below we're checking to make sure we've only got SMIL or
-                    // text. We also have to check then we don't have more than two parts.
-                    // Otherwise, a slideshow with two text slides would be marked as textOnly.
-                    textOnly = false;
-                }
-                for (int i = 0; i < partsNum; i++) {
-                    PduPart part = body.getPart(i);
-                    persistPart(part, dummyId, preOpenedFiles);
-
-                    // If we've got anything besides text/plain or SMIL part, then we've got
-                    // an mms message with some other type of attachment.
-                    String contentType = getPartContentType(part);
-                    if (contentType != null && !ContentType.APP_SMIL.equals(contentType)
-                            && !ContentType.TEXT_PLAIN.equals(contentType)) {
-                        textOnly = false;
-                    }
-                }
-            }
-        }
-        // Record whether this mms message is a simple plain text or not. This is a hint for the
-        // UI.
-        values.put(Mms.TEXT_ONLY, textOnly ? 1 : 0);
-
-        Uri res = null;
-        if (existingUri) {
-            res = uri;
-            SqliteWrapper.update(mContext, mContentResolver, res, values, null, null);
-        } else {
-            res = SqliteWrapper.insert(mContext, mContentResolver, uri, values);
-            if (res == null) {
-                throw new MmsException("persist() failed: return null.");
-            }
-            // Get the real ID of the PDU and update all parts which were
-            // saved with the dummy ID.
-            msgId = ContentUris.parseId(res);
-        }
-
-        values = new ContentValues(1);
-        values.put(Part.MSG_ID, msgId);
-        SqliteWrapper.update(mContext, mContentResolver,
-                             Uri.parse("content://mms/" + dummyId + "/part"),
-                             values, null, null);
-        // We should return the longest URI of the persisted PDU, for
-        // example, if input URI is "content://mms/inbox" and the _ID of
-        // persisted PDU is '8', we should return "content://mms/inbox/8"
-        // instead of "content://mms/8".
-        // FIXME: Should the MmsProvider be responsible for this???
-        if (!existingUri) {
-            res = Uri.parse(uri + "/" + msgId);
-        }
-
-        // Save address information.
-        for (int addrType : ADDRESS_FIELDS) {
-            EncodedStringValue[] array = addressMap.get(addrType);
-            if (array != null) {
-                persistAddress(msgId, addrType, array);
-            }
-        }
-
-        return res;
-    }
-
-    /**
-     * For a given address type, extract the recipients from the headers.
-     *
-     * @param addressType can be PduHeaders.FROM, PduHeaders.TO or PduHeaders.CC
-     * @param recipients a HashSet that is loaded with the recipients from the FROM, TO or CC headers
-     * @param addressMap a HashMap of the addresses from the ADDRESS_FIELDS header
-     * @param excludeMyNumber if true, the number of this phone will be excluded from recipients
-     */
-    private void loadRecipients(int addressType, HashSet<String> recipients,
-            HashMap<Integer, EncodedStringValue[]> addressMap, boolean excludeMyNumber) {
-        EncodedStringValue[] array = addressMap.get(addressType);
-        if (array == null) {
-            return;
-        }
-        // If the TO recipients is only a single address, then we can skip loadRecipients when
-        // we're excluding our own number because we know that address is our own.
-        if (excludeMyNumber && array.length == 1) {
-            return;
-        }
-        String myNumber = excludeMyNumber ? mTelephonyManager.getLine1Number() : null;
-        for (EncodedStringValue v : array) {
-            if (v != null) {
-                String number = v.getString();
-                if ((myNumber == null || !PhoneNumberUtils.compare(number, myNumber)) &&
-                        !recipients.contains(number)) {
-                    // Only add numbers which aren't my own number.
-                    recipients.add(number);
-                }
-            }
-        }
-    }
-
-    /**
-     * Move a PDU object from one location to another.
-     *
-     * @param from Specify the PDU object to be moved.
-     * @param to The destination location, should be one of the following:
-     *        "content://mms/inbox", "content://mms/sent",
-     *        "content://mms/drafts", "content://mms/outbox",
-     *        "content://mms/trash".
-     * @return New Uri of the moved PDU.
-     * @throws MmsException Error occurred while moving the message.
-     */
-    public Uri move(Uri from, Uri to) throws MmsException {
-        // Check whether the 'msgId' has been assigned a valid value.
-        long msgId = ContentUris.parseId(from);
-        if (msgId == -1L) {
-            throw new MmsException("Error! ID of the message: -1.");
-        }
-
-        // Get corresponding int value of destination box.
-        Integer msgBox = MESSAGE_BOX_MAP.get(to);
-        if (msgBox == null) {
-            throw new MmsException(
-                    "Bad destination, must be one of "
-                    + "content://mms/inbox, content://mms/sent, "
-                    + "content://mms/drafts, content://mms/outbox, "
-                    + "content://mms/temp.");
-        }
-
-        ContentValues values = new ContentValues(1);
-        values.put(Mms.MESSAGE_BOX, msgBox);
-        SqliteWrapper.update(mContext, mContentResolver, from, values, null, null);
-        return ContentUris.withAppendedId(to, msgId);
-    }
-
-    /**
-     * Wrap a byte[] into a String.
-     */
-    public static String toIsoString(byte[] bytes) {
-        try {
-            return new String(bytes, CharacterSets.MIMENAME_ISO_8859_1);
-        } catch (UnsupportedEncodingException e) {
-            // Impossible to reach here!
-            Log.e(TAG, "ISO_8859_1 must be supported!", e);
-            return "";
-        }
-    }
-
-    /**
-     * Unpack a given String into a byte[].
-     */
-    public static byte[] getBytes(String data) {
-        try {
-            return data.getBytes(CharacterSets.MIMENAME_ISO_8859_1);
-        } catch (UnsupportedEncodingException e) {
-            // Impossible to reach here!
-            Log.e(TAG, "ISO_8859_1 must be supported!", e);
-            return new byte[0];
-        }
-    }
-
-    /**
-     * Remove all objects in the temporary path.
-     */
-    public void release() {
-        Uri uri = Uri.parse(TEMPORARY_DRM_OBJECT_URI);
-        SqliteWrapper.delete(mContext, mContentResolver, uri, null, null);
-    }
-
-    /**
-     * Find all messages to be sent or downloaded before certain time.
-     */
-    public Cursor getPendingMessages(long dueTime) {
-        Uri.Builder uriBuilder = PendingMessages.CONTENT_URI.buildUpon();
-        uriBuilder.appendQueryParameter("protocol", "mms");
-
-        String selection = PendingMessages.ERROR_TYPE + " < ?"
-                + " AND " + PendingMessages.DUE_TIME + " <= ?";
-
-        String[] selectionArgs = new String[] {
-                String.valueOf(MmsSms.ERR_TYPE_GENERIC_PERMANENT),
-                String.valueOf(dueTime)
-        };
-
-        return SqliteWrapper.query(mContext, mContentResolver,
-                uriBuilder.build(), null, selection, selectionArgs,
-                PendingMessages.DUE_TIME);
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/QuotedPrintable.java b/src/java/com/google/android/mms/pdu/QuotedPrintable.java
deleted file mode 100644
index a34ed12..0000000
--- a/src/java/com/google/android/mms/pdu/QuotedPrintable.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import java.io.ByteArrayOutputStream;
-
-public class QuotedPrintable {
-    private static byte ESCAPE_CHAR = '=';
-
-    /**
-     * Decodes an array quoted-printable characters into an array of original bytes.
-     * Escaped characters are converted back to their original representation.
-     *
-     * <p>
-     * This function implements a subset of
-     * quoted-printable encoding specification (rule #1 and rule #2)
-     * as defined in RFC 1521.
-     * </p>
-     *
-     * @param bytes array of quoted-printable characters
-     * @return array of original bytes,
-     *         null if quoted-printable decoding is unsuccessful.
-     */
-    public static final byte[] decodeQuotedPrintable(byte[] bytes) {
-        if (bytes == null) {
-            return null;
-        }
-        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
-        for (int i = 0; i < bytes.length; i++) {
-            int b = bytes[i];
-            if (b == ESCAPE_CHAR) {
-                try {
-                    if('\r' == (char)bytes[i + 1] &&
-                            '\n' == (char)bytes[i + 2]) {
-                        i += 2;
-                        continue;
-                    }
-                    int u = Character.digit((char) bytes[++i], 16);
-                    int l = Character.digit((char) bytes[++i], 16);
-                    if (u == -1 || l == -1) {
-                        return null;
-                    }
-                    buffer.write((char) ((u << 4) + l));
-                } catch (ArrayIndexOutOfBoundsException e) {
-                    return null;
-                }
-            } else {
-                buffer.write(b);
-            }
-        }
-        return buffer.toByteArray();
-    }
-}
diff --git a/src/java/com/google/android/mms/pdu/ReadOrigInd.java b/src/java/com/google/android/mms/pdu/ReadOrigInd.java
deleted file mode 100644
index 1bfc0bb..0000000
--- a/src/java/com/google/android/mms/pdu/ReadOrigInd.java
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.InvalidHeaderValueException;
-
-public class ReadOrigInd extends GenericPdu {
-    /**
-     * Empty constructor.
-     * Since the Pdu corresponding to this class is constructed
-     * by the Proxy-Relay server, this class is only instantiated
-     * by the Pdu Parser.
-     *
-     * @throws InvalidHeaderValueException if error occurs.
-     */
-    public ReadOrigInd() throws InvalidHeaderValueException {
-        super();
-        setMessageType(PduHeaders.MESSAGE_TYPE_READ_ORIG_IND);
-    }
-
-    /**
-     * Constructor with given headers.
-     *
-     * @param headers Headers for this PDU.
-     */
-    ReadOrigInd(PduHeaders headers) {
-        super(headers);
-    }
-
-    /**
-     * Get Date value.
-     *
-     * @return the value
-     */
-    public long getDate() {
-        return mPduHeaders.getLongInteger(PduHeaders.DATE);
-    }
-
-    /**
-     * Set Date value.
-     *
-     * @param value the value
-     */
-    public void setDate(long value) {
-        mPduHeaders.setLongInteger(value, PduHeaders.DATE);
-    }
-
-    /**
-     * Get From value.
-     * From-value = Value-length
-     *      (Address-present-token Encoded-string-value | Insert-address-token)
-     *
-     * @return the value
-     */
-    public EncodedStringValue getFrom() {
-       return mPduHeaders.getEncodedStringValue(PduHeaders.FROM);
-    }
-
-    /**
-     * Set From value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setFrom(EncodedStringValue value) {
-        mPduHeaders.setEncodedStringValue(value, PduHeaders.FROM);
-    }
-
-    /**
-     * Get Message-ID value.
-     *
-     * @return the value
-     */
-    public byte[] getMessageId() {
-        return mPduHeaders.getTextString(PduHeaders.MESSAGE_ID);
-    }
-
-    /**
-     * Set Message-ID value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setMessageId(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.MESSAGE_ID);
-    }
-
-    /**
-     * Get X-MMS-Read-status value.
-     *
-     * @return the value
-     */
-    public int getReadStatus() {
-        return mPduHeaders.getOctet(PduHeaders.READ_STATUS);
-    }
-
-    /**
-     * Set X-MMS-Read-status value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     */
-    public void setReadStatus(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.READ_STATUS);
-    }
-
-    /**
-     * Get To value.
-     *
-     * @return the value
-     */
-    public EncodedStringValue[] getTo() {
-        return mPduHeaders.getEncodedStringValues(PduHeaders.TO);
-    }
-
-    /**
-     * Set To value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setTo(EncodedStringValue[] value) {
-        mPduHeaders.setEncodedStringValues(value, PduHeaders.TO);
-    }
-
-    /*
-     * Optional, not supported header fields:
-     *
-     *     public byte[] getApplicId() {return null;}
-     *     public void setApplicId(byte[] value) {}
-     *
-     *     public byte[] getAuxApplicId() {return null;}
-     *     public void getAuxApplicId(byte[] value) {}
-     *
-     *     public byte[] getReplyApplicId() {return 0x00;}
-     *     public void setReplyApplicId(byte[] value) {}
-     */
-}
diff --git a/src/java/com/google/android/mms/pdu/ReadRecInd.java b/src/java/com/google/android/mms/pdu/ReadRecInd.java
deleted file mode 100644
index 880e3ac..0000000
--- a/src/java/com/google/android/mms/pdu/ReadRecInd.java
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.InvalidHeaderValueException;
-
-public class ReadRecInd extends GenericPdu {
-    /**
-     * Constructor, used when composing a M-ReadRec.ind pdu.
-     *
-     * @param from the from value
-     * @param messageId the message ID value
-     * @param mmsVersion current viersion of mms
-     * @param readStatus the read status value
-     * @param to the to value
-     * @throws InvalidHeaderValueException if parameters are invalid.
-     *         NullPointerException if messageId or to is null.
-     */
-    public ReadRecInd(EncodedStringValue from,
-                      byte[] messageId,
-                      int mmsVersion,
-                      int readStatus,
-                      EncodedStringValue[] to) throws InvalidHeaderValueException {
-        super();
-        setMessageType(PduHeaders.MESSAGE_TYPE_READ_REC_IND);
-        setFrom(from);
-        setMessageId(messageId);
-        setMmsVersion(mmsVersion);
-        setTo(to);
-        setReadStatus(readStatus);
-    }
-
-    /**
-     * Constructor with given headers.
-     *
-     * @param headers Headers for this PDU.
-     */
-    ReadRecInd(PduHeaders headers) {
-        super(headers);
-    }
-
-    /**
-     * Get Date value.
-     *
-     * @return the value
-     */
-    public long getDate() {
-        return mPduHeaders.getLongInteger(PduHeaders.DATE);
-    }
-
-    /**
-     * Set Date value.
-     *
-     * @param value the value
-     */
-    public void setDate(long value) {
-        mPduHeaders.setLongInteger(value, PduHeaders.DATE);
-    }
-
-    /**
-     * Get Message-ID value.
-     *
-     * @return the value
-     */
-    public byte[] getMessageId() {
-        return mPduHeaders.getTextString(PduHeaders.MESSAGE_ID);
-    }
-
-    /**
-     * Set Message-ID value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setMessageId(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.MESSAGE_ID);
-    }
-
-    /**
-     * Get To value.
-     *
-     * @return the value
-     */
-    public EncodedStringValue[] getTo() {
-        return mPduHeaders.getEncodedStringValues(PduHeaders.TO);
-    }
-
-    /**
-     * Set To value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setTo(EncodedStringValue[] value) {
-        mPduHeaders.setEncodedStringValues(value, PduHeaders.TO);
-    }
-
-    /**
-     * Get X-MMS-Read-status value.
-     *
-     * @return the value
-     */
-    public int getReadStatus() {
-        return mPduHeaders.getOctet(PduHeaders.READ_STATUS);
-    }
-
-    /**
-     * Set X-MMS-Read-status value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     */
-    public void setReadStatus(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.READ_STATUS);
-    }
-
-    /*
-     * Optional, not supported header fields:
-     *
-     *     public byte[] getApplicId() {return null;}
-     *     public void setApplicId(byte[] value) {}
-     *
-     *     public byte[] getAuxApplicId() {return null;}
-     *     public void getAuxApplicId(byte[] value) {}
-     *
-     *     public byte[] getReplyApplicId() {return 0x00;}
-     *     public void setReplyApplicId(byte[] value) {}
-     */
-}
diff --git a/src/java/com/google/android/mms/pdu/RetrieveConf.java b/src/java/com/google/android/mms/pdu/RetrieveConf.java
deleted file mode 100644
index 98e67c0..0000000
--- a/src/java/com/google/android/mms/pdu/RetrieveConf.java
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.InvalidHeaderValueException;
-
-/**
- * M-Retrive.conf Pdu.
- */
-public class RetrieveConf extends MultimediaMessagePdu {
-    /**
-     * Empty constructor.
-     * Since the Pdu corresponding to this class is constructed
-     * by the Proxy-Relay server, this class is only instantiated
-     * by the Pdu Parser.
-     *
-     * @throws InvalidHeaderValueException if error occurs.
-     */
-    public RetrieveConf() throws InvalidHeaderValueException {
-        super();
-        setMessageType(PduHeaders.MESSAGE_TYPE_RETRIEVE_CONF);
-    }
-
-    /**
-     * Constructor with given headers.
-     *
-     * @param headers Headers for this PDU.
-     */
-    RetrieveConf(PduHeaders headers) {
-        super(headers);
-    }
-
-    /**
-     * Constructor with given headers and body
-     *
-     * @param headers Headers for this PDU.
-     * @param body Body of this PDu.
-     */
-    RetrieveConf(PduHeaders headers, PduBody body) {
-        super(headers, body);
-    }
-
-    /**
-     * Get CC value.
-     *
-     * @return the value
-     */
-    public EncodedStringValue[] getCc() {
-        return mPduHeaders.getEncodedStringValues(PduHeaders.CC);
-    }
-
-    /**
-     * Add a "CC" value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void addCc(EncodedStringValue value) {
-        mPduHeaders.appendEncodedStringValue(value, PduHeaders.CC);
-    }
-
-    /**
-     * Get Content-type value.
-     *
-     * @return the value
-     */
-    public byte[] getContentType() {
-        return mPduHeaders.getTextString(PduHeaders.CONTENT_TYPE);
-    }
-
-    /**
-     * Set Content-type value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setContentType(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.CONTENT_TYPE);
-    }
-
-    /**
-     * Get X-Mms-Delivery-Report value.
-     *
-     * @return the value
-     */
-    public int getDeliveryReport() {
-        return mPduHeaders.getOctet(PduHeaders.DELIVERY_REPORT);
-    }
-
-    /**
-     * Set X-Mms-Delivery-Report value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     */
-    public void setDeliveryReport(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.DELIVERY_REPORT);
-    }
-
-    /**
-     * Get From value.
-     * From-value = Value-length
-     *      (Address-present-token Encoded-string-value | Insert-address-token)
-     *
-     * @return the value
-     */
-    public EncodedStringValue getFrom() {
-       return mPduHeaders.getEncodedStringValue(PduHeaders.FROM);
-    }
-
-    /**
-     * Set From value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setFrom(EncodedStringValue value) {
-        mPduHeaders.setEncodedStringValue(value, PduHeaders.FROM);
-    }
-
-    /**
-     * Get X-Mms-Message-Class value.
-     * Message-class-value = Class-identifier | Token-text
-     * Class-identifier = Personal | Advertisement | Informational | Auto
-     *
-     * @return the value
-     */
-    public byte[] getMessageClass() {
-        return mPduHeaders.getTextString(PduHeaders.MESSAGE_CLASS);
-    }
-
-    /**
-     * Set X-Mms-Message-Class value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setMessageClass(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.MESSAGE_CLASS);
-    }
-
-    /**
-     * Get Message-ID value.
-     *
-     * @return the value
-     */
-    public byte[] getMessageId() {
-        return mPduHeaders.getTextString(PduHeaders.MESSAGE_ID);
-    }
-
-    /**
-     * Set Message-ID value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setMessageId(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.MESSAGE_ID);
-    }
-
-    /**
-     * Get X-Mms-Read-Report value.
-     *
-     * @return the value
-     */
-    public int getReadReport() {
-        return mPduHeaders.getOctet(PduHeaders.READ_REPORT);
-    }
-
-    /**
-     * Set X-Mms-Read-Report value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     */
-    public void setReadReport(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.READ_REPORT);
-    }
-
-    /**
-     * Get X-Mms-Retrieve-Status value.
-     *
-     * @return the value
-     */
-    public int getRetrieveStatus() {
-        return mPduHeaders.getOctet(PduHeaders.RETRIEVE_STATUS);
-    }
-
-    /**
-     * Set X-Mms-Retrieve-Status value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     */
-    public void setRetrieveStatus(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.RETRIEVE_STATUS);
-    }
-
-    /**
-     * Get X-Mms-Retrieve-Text value.
-     *
-     * @return the value
-     */
-    public EncodedStringValue getRetrieveText() {
-        return mPduHeaders.getEncodedStringValue(PduHeaders.RETRIEVE_TEXT);
-    }
-
-    /**
-     * Set X-Mms-Retrieve-Text value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setRetrieveText(EncodedStringValue value) {
-        mPduHeaders.setEncodedStringValue(value, PduHeaders.RETRIEVE_TEXT);
-    }
-
-    /**
-     * Get X-Mms-Transaction-Id.
-     *
-     * @return the value
-     */
-    public byte[] getTransactionId() {
-        return mPduHeaders.getTextString(PduHeaders.TRANSACTION_ID);
-    }
-
-    /**
-     * Set X-Mms-Transaction-Id.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setTransactionId(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.TRANSACTION_ID);
-    }
-
-    /*
-     * Optional, not supported header fields:
-     *
-     *     public byte[] getApplicId() {return null;}
-     *     public void setApplicId(byte[] value) {}
-     *
-     *     public byte[] getAuxApplicId() {return null;}
-     *     public void getAuxApplicId(byte[] value) {}
-     *
-     *     public byte getContentClass() {return 0x00;}
-     *     public void setApplicId(byte value) {}
-     *
-     *     public byte getDrmContent() {return 0x00;}
-     *     public void setDrmContent(byte value) {}
-     *
-     *     public byte getDistributionIndicator() {return 0x00;}
-     *     public void setDistributionIndicator(byte value) {}
-     *
-     *     public PreviouslySentByValue getPreviouslySentBy() {return null;}
-     *     public void setPreviouslySentBy(PreviouslySentByValue value) {}
-     *
-     *     public PreviouslySentDateValue getPreviouslySentDate() {}
-     *     public void setPreviouslySentDate(PreviouslySentDateValue value) {}
-     *
-     *     public MmFlagsValue getMmFlags() {return null;}
-     *     public void setMmFlags(MmFlagsValue value) {}
-     *
-     *     public MmStateValue getMmState() {return null;}
-     *     public void getMmState(MmStateValue value) {}
-     *
-     *     public byte[] getReplaceId() {return 0x00;}
-     *     public void setReplaceId(byte[] value) {}
-     *
-     *     public byte[] getReplyApplicId() {return 0x00;}
-     *     public void setReplyApplicId(byte[] value) {}
-     *
-     *     public byte getReplyCharging() {return 0x00;}
-     *     public void setReplyCharging(byte value) {}
-     *
-     *     public byte getReplyChargingDeadline() {return 0x00;}
-     *     public void setReplyChargingDeadline(byte value) {}
-     *
-     *     public byte[] getReplyChargingId() {return 0x00;}
-     *     public void setReplyChargingId(byte[] value) {}
-     *
-     *     public long getReplyChargingSize() {return 0;}
-     *     public void setReplyChargingSize(long value) {}
-     */
-}
diff --git a/src/java/com/google/android/mms/pdu/SendConf.java b/src/java/com/google/android/mms/pdu/SendConf.java
deleted file mode 100644
index 0568fe7..0000000
--- a/src/java/com/google/android/mms/pdu/SendConf.java
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import com.google.android.mms.InvalidHeaderValueException;
-
-public class SendConf extends GenericPdu {
-    /**
-     * Empty constructor.
-     * Since the Pdu corresponding to this class is constructed
-     * by the Proxy-Relay server, this class is only instantiated
-     * by the Pdu Parser.
-     *
-     * @throws InvalidHeaderValueException if error occurs.
-     */
-    public SendConf() throws InvalidHeaderValueException {
-        super();
-        setMessageType(PduHeaders.MESSAGE_TYPE_SEND_CONF);
-    }
-
-    /**
-     * Constructor with given headers.
-     *
-     * @param headers Headers for this PDU.
-     */
-    SendConf(PduHeaders headers) {
-        super(headers);
-    }
-
-    /**
-     * Get Message-ID value.
-     *
-     * @return the value
-     */
-    public byte[] getMessageId() {
-        return mPduHeaders.getTextString(PduHeaders.MESSAGE_ID);
-    }
-
-    /**
-     * Set Message-ID value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setMessageId(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.MESSAGE_ID);
-    }
-
-    /**
-     * Get X-Mms-Response-Status.
-     *
-     * @return the value
-     */
-    public int getResponseStatus() {
-        return mPduHeaders.getOctet(PduHeaders.RESPONSE_STATUS);
-    }
-
-    /**
-     * Set X-Mms-Response-Status.
-     *
-     * @param value the values
-     * @throws InvalidHeaderValueException if the value is invalid.
-     */
-    public void setResponseStatus(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.RESPONSE_STATUS);
-    }
-
-    /**
-     * Get X-Mms-Transaction-Id field value.
-     *
-     * @return the X-Mms-Report-Allowed value
-     */
-    public byte[] getTransactionId() {
-        return mPduHeaders.getTextString(PduHeaders.TRANSACTION_ID);
-    }
-
-    /**
-     * Set X-Mms-Transaction-Id field value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setTransactionId(byte[] value) {
-            mPduHeaders.setTextString(value, PduHeaders.TRANSACTION_ID);
-    }
-
-    /*
-     * Optional, not supported header fields:
-     *
-     *    public byte[] getContentLocation() {return null;}
-     *    public void setContentLocation(byte[] value) {}
-     *
-     *    public EncodedStringValue getResponseText() {return null;}
-     *    public void setResponseText(EncodedStringValue value) {}
-     *
-     *    public byte getStoreStatus() {return 0x00;}
-     *    public void setStoreStatus(byte value) {}
-     *
-     *    public byte[] getStoreStatusText() {return null;}
-     *    public void setStoreStatusText(byte[] value) {}
-     */
-}
diff --git a/src/java/com/google/android/mms/pdu/SendReq.java b/src/java/com/google/android/mms/pdu/SendReq.java
deleted file mode 100644
index 597cd00..0000000
--- a/src/java/com/google/android/mms/pdu/SendReq.java
+++ /dev/null
@@ -1,345 +0,0 @@
-/*
- * Copyright (C) 2007-2008 Esmertec AG.
- * Copyright (C) 2007-2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.pdu;
-
-import android.util.Log;
-
-import com.google.android.mms.InvalidHeaderValueException;
-
-public class SendReq extends MultimediaMessagePdu {
-    private static final String TAG = "SendReq";
-
-    public SendReq() {
-        super();
-
-        try {
-            setMessageType(PduHeaders.MESSAGE_TYPE_SEND_REQ);
-            setMmsVersion(PduHeaders.CURRENT_MMS_VERSION);
-            // FIXME: Content-type must be decided according to whether
-            // SMIL part present.
-            setContentType("application/vnd.wap.multipart.related".getBytes());
-            setFrom(new EncodedStringValue(PduHeaders.FROM_INSERT_ADDRESS_TOKEN_STR.getBytes()));
-            setTransactionId(generateTransactionId());
-        } catch (InvalidHeaderValueException e) {
-            // Impossible to reach here since all headers we set above are valid.
-            Log.e(TAG, "Unexpected InvalidHeaderValueException.", e);
-            throw new RuntimeException(e);
-        }
-    }
-
-    private byte[] generateTransactionId() {
-        String transactionId = "T" + Long.toHexString(System.currentTimeMillis());
-        return transactionId.getBytes();
-    }
-
-    /**
-     * Constructor, used when composing a M-Send.req pdu.
-     *
-     * @param contentType the content type value
-     * @param from the from value
-     * @param mmsVersion current viersion of mms
-     * @param transactionId the transaction-id value
-     * @throws InvalidHeaderValueException if parameters are invalid.
-     *         NullPointerException if contentType, form or transactionId is null.
-     */
-    public SendReq(byte[] contentType,
-                   EncodedStringValue from,
-                   int mmsVersion,
-                   byte[] transactionId) throws InvalidHeaderValueException {
-        super();
-        setMessageType(PduHeaders.MESSAGE_TYPE_SEND_REQ);
-        setContentType(contentType);
-        setFrom(from);
-        setMmsVersion(mmsVersion);
-        setTransactionId(transactionId);
-    }
-
-    /**
-     * Constructor with given headers.
-     *
-     * @param headers Headers for this PDU.
-     */
-    SendReq(PduHeaders headers) {
-        super(headers);
-    }
-
-    /**
-     * Constructor with given headers and body
-     *
-     * @param headers Headers for this PDU.
-     * @param body Body of this PDu.
-     */
-    SendReq(PduHeaders headers, PduBody body) {
-        super(headers, body);
-    }
-
-    /**
-     * Get Bcc value.
-     *
-     * @return the value
-     */
-    public EncodedStringValue[] getBcc() {
-        return mPduHeaders.getEncodedStringValues(PduHeaders.BCC);
-    }
-
-    /**
-     * Add a "BCC" value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void addBcc(EncodedStringValue value) {
-        mPduHeaders.appendEncodedStringValue(value, PduHeaders.BCC);
-    }
-
-    /**
-     * Set "BCC" value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setBcc(EncodedStringValue[] value) {
-        mPduHeaders.setEncodedStringValues(value, PduHeaders.BCC);
-    }
-
-    /**
-     * Get CC value.
-     *
-     * @return the value
-     */
-    public EncodedStringValue[] getCc() {
-        return mPduHeaders.getEncodedStringValues(PduHeaders.CC);
-    }
-
-    /**
-     * Add a "CC" value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void addCc(EncodedStringValue value) {
-        mPduHeaders.appendEncodedStringValue(value, PduHeaders.CC);
-    }
-
-    /**
-     * Set "CC" value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setCc(EncodedStringValue[] value) {
-        mPduHeaders.setEncodedStringValues(value, PduHeaders.CC);
-    }
-
-    /**
-     * Get Content-type value.
-     *
-     * @return the value
-     */
-    public byte[] getContentType() {
-        return mPduHeaders.getTextString(PduHeaders.CONTENT_TYPE);
-    }
-
-    /**
-     * Set Content-type value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setContentType(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.CONTENT_TYPE);
-    }
-
-    /**
-     * Get X-Mms-Delivery-Report value.
-     *
-     * @return the value
-     */
-    public int getDeliveryReport() {
-        return mPduHeaders.getOctet(PduHeaders.DELIVERY_REPORT);
-    }
-
-    /**
-     * Set X-Mms-Delivery-Report value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     */
-    public void setDeliveryReport(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.DELIVERY_REPORT);
-    }
-
-    /**
-     * Get X-Mms-Expiry value.
-     *
-     * Expiry-value = Value-length
-     *      (Absolute-token Date-value | Relative-token Delta-seconds-value)
-     *
-     * @return the value
-     */
-    public long getExpiry() {
-        return mPduHeaders.getLongInteger(PduHeaders.EXPIRY);
-    }
-
-    /**
-     * Set X-Mms-Expiry value.
-     *
-     * @param value the value
-     */
-    public void setExpiry(long value) {
-        mPduHeaders.setLongInteger(value, PduHeaders.EXPIRY);
-    }
-
-    /**
-     * Get X-Mms-MessageSize value.
-     *
-     * Expiry-value = size of message
-     *
-     * @return the value
-     */
-    public long getMessageSize() {
-        return mPduHeaders.getLongInteger(PduHeaders.MESSAGE_SIZE);
-    }
-
-    /**
-     * Set X-Mms-MessageSize value.
-     *
-     * @param value the value
-     */
-    public void setMessageSize(long value) {
-        mPduHeaders.setLongInteger(value, PduHeaders.MESSAGE_SIZE);
-    }
-
-    /**
-     * Get X-Mms-Message-Class value.
-     * Message-class-value = Class-identifier | Token-text
-     * Class-identifier = Personal | Advertisement | Informational | Auto
-     *
-     * @return the value
-     */
-    public byte[] getMessageClass() {
-        return mPduHeaders.getTextString(PduHeaders.MESSAGE_CLASS);
-    }
-
-    /**
-     * Set X-Mms-Message-Class value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setMessageClass(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.MESSAGE_CLASS);
-    }
-
-    /**
-     * Get X-Mms-Read-Report value.
-     *
-     * @return the value
-     */
-    public int getReadReport() {
-        return mPduHeaders.getOctet(PduHeaders.READ_REPORT);
-    }
-
-    /**
-     * Set X-Mms-Read-Report value.
-     *
-     * @param value the value
-     * @throws InvalidHeaderValueException if the value is invalid.
-     */
-    public void setReadReport(int value) throws InvalidHeaderValueException {
-        mPduHeaders.setOctet(value, PduHeaders.READ_REPORT);
-    }
-
-    /**
-     * Set "To" value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setTo(EncodedStringValue[] value) {
-        mPduHeaders.setEncodedStringValues(value, PduHeaders.TO);
-    }
-
-    /**
-     * Get X-Mms-Transaction-Id field value.
-     *
-     * @return the X-Mms-Report-Allowed value
-     */
-    public byte[] getTransactionId() {
-        return mPduHeaders.getTextString(PduHeaders.TRANSACTION_ID);
-    }
-
-    /**
-     * Set X-Mms-Transaction-Id field value.
-     *
-     * @param value the value
-     * @throws NullPointerException if the value is null.
-     */
-    public void setTransactionId(byte[] value) {
-        mPduHeaders.setTextString(value, PduHeaders.TRANSACTION_ID);
-    }
-
-    /*
-     * Optional, not supported header fields:
-     *
-     *     public byte getAdaptationAllowed() {return 0};
-     *     public void setAdaptationAllowed(btye value) {};
-     *
-     *     public byte[] getApplicId() {return null;}
-     *     public void setApplicId(byte[] value) {}
-     *
-     *     public byte[] getAuxApplicId() {return null;}
-     *     public void getAuxApplicId(byte[] value) {}
-     *
-     *     public byte getContentClass() {return 0x00;}
-     *     public void setApplicId(byte value) {}
-     *
-     *     public long getDeliveryTime() {return 0};
-     *     public void setDeliveryTime(long value) {};
-     *
-     *     public byte getDrmContent() {return 0x00;}
-     *     public void setDrmContent(byte value) {}
-     *
-     *     public MmFlagsValue getMmFlags() {return null;}
-     *     public void setMmFlags(MmFlagsValue value) {}
-     *
-     *     public MmStateValue getMmState() {return null;}
-     *     public void getMmState(MmStateValue value) {}
-     *
-     *     public byte[] getReplyApplicId() {return 0x00;}
-     *     public void setReplyApplicId(byte[] value) {}
-     *
-     *     public byte getReplyCharging() {return 0x00;}
-     *     public void setReplyCharging(byte value) {}
-     *
-     *     public byte getReplyChargingDeadline() {return 0x00;}
-     *     public void setReplyChargingDeadline(byte value) {}
-     *
-     *     public byte[] getReplyChargingId() {return 0x00;}
-     *     public void setReplyChargingId(byte[] value) {}
-     *
-     *     public long getReplyChargingSize() {return 0;}
-     *     public void setReplyChargingSize(long value) {}
-     *
-     *     public byte[] getReplyApplicId() {return 0x00;}
-     *     public void setReplyApplicId(byte[] value) {}
-     *
-     *     public byte getStore() {return 0x00;}
-     *     public void setStore(byte value) {}
-     */
-}
diff --git a/src/java/com/google/android/mms/pdu/package.html b/src/java/com/google/android/mms/pdu/package.html
deleted file mode 100755
index c9f96a6..0000000
--- a/src/java/com/google/android/mms/pdu/package.html
+++ /dev/null
@@ -1,5 +0,0 @@
-<body>
-
-{@hide}
-
-</body>
diff --git a/src/java/com/google/android/mms/util/AbstractCache.java b/src/java/com/google/android/mms/util/AbstractCache.java
deleted file mode 100644
index 39b2abf..0000000
--- a/src/java/com/google/android/mms/util/AbstractCache.java
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * Copyright (C) 2008 Esmertec AG.
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.util;
-
-import android.util.Log;
-
-import java.util.HashMap;
-
-public abstract class AbstractCache<K, V> {
-    private static final String TAG = "AbstractCache";
-    private static final boolean DEBUG = false;
-    private static final boolean LOCAL_LOGV = false;
-
-    private static final int MAX_CACHED_ITEMS  = 500;
-
-    private final HashMap<K, CacheEntry<V>> mCacheMap;
-
-    protected AbstractCache() {
-        mCacheMap = new HashMap<K, CacheEntry<V>>();
-    }
-
-    public boolean put(K key, V value) {
-        if (LOCAL_LOGV) {
-            Log.v(TAG, "Trying to put " + key + " into cache.");
-        }
-
-        if (mCacheMap.size() >= MAX_CACHED_ITEMS) {
-            // TODO Should remove the oldest or least hit cached entry
-            // and then cache the new one.
-            if (LOCAL_LOGV) {
-                Log.v(TAG, "Failed! size limitation reached.");
-            }
-            return false;
-        }
-
-        if (key != null) {
-            CacheEntry<V> cacheEntry = new CacheEntry<V>();
-            cacheEntry.value = value;
-            mCacheMap.put(key, cacheEntry);
-
-            if (LOCAL_LOGV) {
-                Log.v(TAG, key + " cached, " + mCacheMap.size() + " items total.");
-            }
-            return true;
-        }
-        return false;
-    }
-
-    public V get(K key) {
-        if (LOCAL_LOGV) {
-            Log.v(TAG, "Trying to get " + key + " from cache.");
-        }
-
-        if (key != null) {
-            CacheEntry<V> cacheEntry = mCacheMap.get(key);
-            if (cacheEntry != null) {
-                cacheEntry.hit++;
-                if (LOCAL_LOGV) {
-                    Log.v(TAG, key + " hit " + cacheEntry.hit + " times.");
-                }
-                return cacheEntry.value;
-            }
-        }
-        return null;
-    }
-
-    public V purge(K key) {
-        if (LOCAL_LOGV) {
-            Log.v(TAG, "Trying to purge " + key);
-        }
-
-        CacheEntry<V> v = mCacheMap.remove(key);
-
-        if (LOCAL_LOGV) {
-            Log.v(TAG, mCacheMap.size() + " items cached.");
-        }
-
-        return v != null ? v.value : null;
-    }
-
-    public void purgeAll() {
-        if (LOCAL_LOGV) {
-            Log.v(TAG, "Purging cache, " + mCacheMap.size()
-                    + " items dropped.");
-        }
-        mCacheMap.clear();
-    }
-
-    public int size() {
-        return mCacheMap.size();
-    }
-
-    private static class CacheEntry<V> {
-        int hit;
-        V value;
-    }
-}
diff --git a/src/java/com/google/android/mms/util/DownloadDrmHelper.java b/src/java/com/google/android/mms/util/DownloadDrmHelper.java
deleted file mode 100644
index 6852eca..0000000
--- a/src/java/com/google/android/mms/util/DownloadDrmHelper.java
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package com.google.android.mms.util;
-
-import android.content.Context;
-import android.drm.DrmManagerClient;
-import android.util.Log;
-
-public class DownloadDrmHelper {
-    private static final String TAG = "DownloadDrmHelper";
-
-    /** The MIME type of special DRM files */
-    public static final String MIMETYPE_DRM_MESSAGE = "application/vnd.oma.drm.message";
-
-    /** The extensions of special DRM files */
-    public static final String EXTENSION_DRM_MESSAGE = ".dm";
-
-    public static final String EXTENSION_INTERNAL_FWDL = ".fl";
-
-    /**
-     * Checks if the Media Type is a DRM Media Type
-     *
-     * @param drmManagerClient A DrmManagerClient
-     * @param mimetype Media Type to check
-     * @return True if the Media Type is DRM else false
-     */
-    public static boolean isDrmMimeType(Context context, String mimetype) {
-        boolean result = false;
-        if (context != null) {
-            try {
-                DrmManagerClient drmClient = new DrmManagerClient(context);
-                if (drmClient != null && mimetype != null && mimetype.length() > 0) {
-                    result = drmClient.canHandle("", mimetype);
-                }
-            } catch (IllegalArgumentException e) {
-                Log.w(TAG,
-                        "DrmManagerClient instance could not be created, context is Illegal.");
-            } catch (IllegalStateException e) {
-                Log.w(TAG, "DrmManagerClient didn't initialize properly.");
-            }
-        }
-        return result;
-    }
-
-    /**
-     * Checks if the Media Type needs to be DRM converted
-     *
-     * @param mimetype Media type of the content
-     * @return True if convert is needed else false
-     */
-    public static boolean isDrmConvertNeeded(String mimetype) {
-        return MIMETYPE_DRM_MESSAGE.equals(mimetype);
-    }
-
-    /**
-     * Modifies the file extension for a DRM Forward Lock file NOTE: This
-     * function shouldn't be called if the file shouldn't be DRM converted
-     */
-    public static String modifyDrmFwLockFileExtension(String filename) {
-        if (filename != null) {
-            int extensionIndex;
-            extensionIndex = filename.lastIndexOf(".");
-            if (extensionIndex != -1) {
-                filename = filename.substring(0, extensionIndex);
-            }
-            filename = filename.concat(EXTENSION_INTERNAL_FWDL);
-        }
-        return filename;
-    }
-
-    /**
-     * Gets the original mime type of DRM protected content.
-     *
-     * @param context The context
-     * @param path Path to the file
-     * @param containingMime The current mime type of of the file i.e. the
-     *            containing mime type
-     * @return The original mime type of the file if DRM protected else the
-     *         currentMime
-     */
-    public static String getOriginalMimeType(Context context, String path, String containingMime) {
-        String result = containingMime;
-        DrmManagerClient drmClient = new DrmManagerClient(context);
-        try {
-            if (drmClient.canHandle(path, null)) {
-                result = drmClient.getOriginalMimeType(path);
-            }
-        } catch (IllegalArgumentException ex) {
-            Log.w(TAG,
-                    "Can't get original mime type since path is null or empty string.");
-        } catch (IllegalStateException ex) {
-            Log.w(TAG, "DrmManagerClient didn't initialize properly.");
-        }
-        return result;
-    }
-}
diff --git a/src/java/com/google/android/mms/util/DrmConvertSession.java b/src/java/com/google/android/mms/util/DrmConvertSession.java
deleted file mode 100644
index 2d8f274..0000000
--- a/src/java/com/google/android/mms/util/DrmConvertSession.java
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-package com.google.android.mms.util;
-
-import android.content.Context;
-import android.drm.DrmConvertedStatus;
-import android.drm.DrmManagerClient;
-import android.util.Log;
-import android.provider.Downloads;
-
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.RandomAccessFile;
-
-
-public class DrmConvertSession {
-    private DrmManagerClient mDrmClient;
-    private int mConvertSessionId;
-    private static final String TAG = "DrmConvertSession";
-
-    private DrmConvertSession(DrmManagerClient drmClient, int convertSessionId) {
-        mDrmClient = drmClient;
-        mConvertSessionId = convertSessionId;
-    }
-
-    /**
-     * Start of converting a file.
-     *
-     * @param context The context of the application running the convert session.
-     * @param mimeType Mimetype of content that shall be converted.
-     * @return A convert session or null in case an error occurs.
-     */
-    public static DrmConvertSession open(Context context, String mimeType) {
-        DrmManagerClient drmClient = null;
-        int convertSessionId = -1;
-        if (context != null && mimeType != null && !mimeType.equals("")) {
-            try {
-                drmClient = new DrmManagerClient(context);
-                try {
-                    convertSessionId = drmClient.openConvertSession(mimeType);
-                } catch (IllegalArgumentException e) {
-                    Log.w(TAG, "Conversion of Mimetype: " + mimeType
-                            + " is not supported.", e);
-                } catch (IllegalStateException e) {
-                    Log.w(TAG, "Could not access Open DrmFramework.", e);
-                }
-            } catch (IllegalArgumentException e) {
-                Log.w(TAG,
-                        "DrmManagerClient instance could not be created, context is Illegal.");
-            } catch (IllegalStateException e) {
-                Log.w(TAG, "DrmManagerClient didn't initialize properly.");
-            }
-        }
-
-        if (drmClient == null || convertSessionId < 0) {
-            return null;
-        } else {
-            return new DrmConvertSession(drmClient, convertSessionId);
-        }
-    }
-    /**
-     * Convert a buffer of data to protected format.
-     *
-     * @param buffer Buffer filled with data to convert.
-     * @param size The number of bytes that shall be converted.
-     * @return A Buffer filled with converted data, if execution is ok, in all
-     *         other case null.
-     */
-    public byte [] convert(byte[] inBuffer, int size) {
-        byte[] result = null;
-        if (inBuffer != null) {
-            DrmConvertedStatus convertedStatus = null;
-            try {
-                if (size != inBuffer.length) {
-                    byte[] buf = new byte[size];
-                    System.arraycopy(inBuffer, 0, buf, 0, size);
-                    convertedStatus = mDrmClient.convertData(mConvertSessionId, buf);
-                } else {
-                    convertedStatus = mDrmClient.convertData(mConvertSessionId, inBuffer);
-                }
-
-                if (convertedStatus != null &&
-                        convertedStatus.statusCode == DrmConvertedStatus.STATUS_OK &&
-                        convertedStatus.convertedData != null) {
-                    result = convertedStatus.convertedData;
-                }
-            } catch (IllegalArgumentException e) {
-                Log.w(TAG, "Buffer with data to convert is illegal. Convertsession: "
-                        + mConvertSessionId, e);
-            } catch (IllegalStateException e) {
-                Log.w(TAG, "Could not convert data. Convertsession: " +
-                        mConvertSessionId, e);
-            }
-        } else {
-            throw new IllegalArgumentException("Parameter inBuffer is null");
-        }
-        return result;
-    }
-
-    /**
-     * Ends a conversion session of a file.
-     *
-     * @param fileName The filename of the converted file.
-     * @return Downloads.Impl.STATUS_SUCCESS if execution is ok.
-     *         Downloads.Impl.STATUS_FILE_ERROR in case converted file can not
-     *         be accessed. Downloads.Impl.STATUS_NOT_ACCEPTABLE if a problem
-     *         occurs when accessing drm framework.
-     *         Downloads.Impl.STATUS_UNKNOWN_ERROR if a general error occurred.
-     */
-    public int close(String filename) {
-        DrmConvertedStatus convertedStatus = null;
-        int result = Downloads.Impl.STATUS_UNKNOWN_ERROR;
-        if (mDrmClient != null && mConvertSessionId >= 0) {
-            try {
-                convertedStatus = mDrmClient.closeConvertSession(mConvertSessionId);
-                if (convertedStatus == null ||
-                        convertedStatus.statusCode != DrmConvertedStatus.STATUS_OK ||
-                        convertedStatus.convertedData == null) {
-                    result = Downloads.Impl.STATUS_NOT_ACCEPTABLE;
-                } else {
-                    RandomAccessFile rndAccessFile = null;
-                    try {
-                        rndAccessFile = new RandomAccessFile(filename, "rw");
-                        rndAccessFile.seek(convertedStatus.offset);
-                        rndAccessFile.write(convertedStatus.convertedData);
-                        result = Downloads.Impl.STATUS_SUCCESS;
-                    } catch (FileNotFoundException e) {
-                        result = Downloads.Impl.STATUS_FILE_ERROR;
-                        Log.w(TAG, "File: " + filename + " could not be found.", e);
-                    } catch (IOException e) {
-                        result = Downloads.Impl.STATUS_FILE_ERROR;
-                        Log.w(TAG, "Could not access File: " + filename + " .", e);
-                    } catch (IllegalArgumentException e) {
-                        result = Downloads.Impl.STATUS_FILE_ERROR;
-                        Log.w(TAG, "Could not open file in mode: rw", e);
-                    } catch (SecurityException e) {
-                        Log.w(TAG, "Access to File: " + filename +
-                                " was denied denied by SecurityManager.", e);
-                    } finally {
-                        if (rndAccessFile != null) {
-                            try {
-                                rndAccessFile.close();
-                            } catch (IOException e) {
-                                result = Downloads.Impl.STATUS_FILE_ERROR;
-                                Log.w(TAG, "Failed to close File:" + filename
-                                        + ".", e);
-                            }
-                        }
-                    }
-                }
-            } catch (IllegalStateException e) {
-                Log.w(TAG, "Could not close convertsession. Convertsession: " +
-                        mConvertSessionId, e);
-            }
-        }
-        return result;
-    }
-}
diff --git a/src/java/com/google/android/mms/util/PduCache.java b/src/java/com/google/android/mms/util/PduCache.java
deleted file mode 100644
index de83124..0000000
--- a/src/java/com/google/android/mms/util/PduCache.java
+++ /dev/null
@@ -1,261 +0,0 @@
-/*
- * Copyright (C) 2008 Esmertec AG.
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.util;
-
-import android.content.ContentUris;
-import android.content.UriMatcher;
-import android.net.Uri;
-import android.provider.Telephony.Mms;
-import android.util.Log;
-
-import java.util.HashMap;
-import java.util.HashSet;
-
-public final class PduCache extends AbstractCache<Uri, PduCacheEntry> {
-    private static final String TAG = "PduCache";
-    private static final boolean DEBUG = false;
-    private static final boolean LOCAL_LOGV = false;
-
-    private static final int MMS_ALL             = 0;
-    private static final int MMS_ALL_ID          = 1;
-    private static final int MMS_INBOX           = 2;
-    private static final int MMS_INBOX_ID        = 3;
-    private static final int MMS_SENT            = 4;
-    private static final int MMS_SENT_ID         = 5;
-    private static final int MMS_DRAFTS          = 6;
-    private static final int MMS_DRAFTS_ID       = 7;
-    private static final int MMS_OUTBOX          = 8;
-    private static final int MMS_OUTBOX_ID       = 9;
-    private static final int MMS_CONVERSATION    = 10;
-    private static final int MMS_CONVERSATION_ID = 11;
-
-    private static final UriMatcher URI_MATCHER;
-    private static final HashMap<Integer, Integer> MATCH_TO_MSGBOX_ID_MAP;
-
-    private static PduCache sInstance;
-
-    static {
-        URI_MATCHER = new UriMatcher(UriMatcher.NO_MATCH);
-        URI_MATCHER.addURI("mms", null,         MMS_ALL);
-        URI_MATCHER.addURI("mms", "#",          MMS_ALL_ID);
-        URI_MATCHER.addURI("mms", "inbox",      MMS_INBOX);
-        URI_MATCHER.addURI("mms", "inbox/#",    MMS_INBOX_ID);
-        URI_MATCHER.addURI("mms", "sent",       MMS_SENT);
-        URI_MATCHER.addURI("mms", "sent/#",     MMS_SENT_ID);
-        URI_MATCHER.addURI("mms", "drafts",     MMS_DRAFTS);
-        URI_MATCHER.addURI("mms", "drafts/#",   MMS_DRAFTS_ID);
-        URI_MATCHER.addURI("mms", "outbox",     MMS_OUTBOX);
-        URI_MATCHER.addURI("mms", "outbox/#",   MMS_OUTBOX_ID);
-        URI_MATCHER.addURI("mms-sms", "conversations",   MMS_CONVERSATION);
-        URI_MATCHER.addURI("mms-sms", "conversations/#", MMS_CONVERSATION_ID);
-
-        MATCH_TO_MSGBOX_ID_MAP = new HashMap<Integer, Integer>();
-        MATCH_TO_MSGBOX_ID_MAP.put(MMS_INBOX,  Mms.MESSAGE_BOX_INBOX);
-        MATCH_TO_MSGBOX_ID_MAP.put(MMS_SENT,   Mms.MESSAGE_BOX_SENT);
-        MATCH_TO_MSGBOX_ID_MAP.put(MMS_DRAFTS, Mms.MESSAGE_BOX_DRAFTS);
-        MATCH_TO_MSGBOX_ID_MAP.put(MMS_OUTBOX, Mms.MESSAGE_BOX_OUTBOX);
-    }
-
-    private final HashMap<Integer, HashSet<Uri>> mMessageBoxes;
-    private final HashMap<Long, HashSet<Uri>> mThreads;
-    private final HashSet<Uri> mUpdating;
-
-    private PduCache() {
-        mMessageBoxes = new HashMap<Integer, HashSet<Uri>>();
-        mThreads = new HashMap<Long, HashSet<Uri>>();
-        mUpdating = new HashSet<Uri>();
-    }
-
-    synchronized public static final PduCache getInstance() {
-        if (sInstance == null) {
-            if (LOCAL_LOGV) {
-                Log.v(TAG, "Constructing new PduCache instance.");
-            }
-            sInstance = new PduCache();
-        }
-        return sInstance;
-    }
-
-    @Override
-    synchronized public boolean put(Uri uri, PduCacheEntry entry) {
-        int msgBoxId = entry.getMessageBox();
-        HashSet<Uri> msgBox = mMessageBoxes.get(msgBoxId);
-        if (msgBox == null) {
-            msgBox = new HashSet<Uri>();
-            mMessageBoxes.put(msgBoxId, msgBox);
-        }
-
-        long threadId = entry.getThreadId();
-        HashSet<Uri> thread = mThreads.get(threadId);
-        if (thread == null) {
-            thread = new HashSet<Uri>();
-            mThreads.put(threadId, thread);
-        }
-
-        Uri finalKey = normalizeKey(uri);
-        boolean result = super.put(finalKey, entry);
-        if (result) {
-            msgBox.add(finalKey);
-            thread.add(finalKey);
-        }
-        setUpdating(uri, false);
-        return result;
-    }
-
-    synchronized public void setUpdating(Uri uri, boolean updating) {
-        if (updating) {
-            mUpdating.add(uri);
-        } else {
-            mUpdating.remove(uri);
-        }
-    }
-
-    synchronized public boolean isUpdating(Uri uri) {
-        return mUpdating.contains(uri);
-    }
-
-    @Override
-    synchronized public PduCacheEntry purge(Uri uri) {
-        int match = URI_MATCHER.match(uri);
-        switch (match) {
-            case MMS_ALL_ID:
-                return purgeSingleEntry(uri);
-            case MMS_INBOX_ID:
-            case MMS_SENT_ID:
-            case MMS_DRAFTS_ID:
-            case MMS_OUTBOX_ID:
-                String msgId = uri.getLastPathSegment();
-                return purgeSingleEntry(Uri.withAppendedPath(Mms.CONTENT_URI, msgId));
-            // Implicit batch of purge, return null.
-            case MMS_ALL:
-            case MMS_CONVERSATION:
-                purgeAll();
-                return null;
-            case MMS_INBOX:
-            case MMS_SENT:
-            case MMS_DRAFTS:
-            case MMS_OUTBOX:
-                purgeByMessageBox(MATCH_TO_MSGBOX_ID_MAP.get(match));
-                return null;
-            case MMS_CONVERSATION_ID:
-                purgeByThreadId(ContentUris.parseId(uri));
-                return null;
-            default:
-                return null;
-        }
-    }
-
-    private PduCacheEntry purgeSingleEntry(Uri key) {
-        mUpdating.remove(key);
-        PduCacheEntry entry = super.purge(key);
-        if (entry != null) {
-            removeFromThreads(key, entry);
-            removeFromMessageBoxes(key, entry);
-            return entry;
-        }
-        return null;
-    }
-
-    @Override
-    synchronized public void purgeAll() {
-        super.purgeAll();
-
-        mMessageBoxes.clear();
-        mThreads.clear();
-        mUpdating.clear();
-    }
-
-    /**
-     * @param uri The Uri to be normalized.
-     * @return Uri The normalized key of cached entry.
-     */
-    private Uri normalizeKey(Uri uri) {
-        int match = URI_MATCHER.match(uri);
-        Uri normalizedKey = null;
-
-        switch (match) {
-            case MMS_ALL_ID:
-                normalizedKey = uri;
-                break;
-            case MMS_INBOX_ID:
-            case MMS_SENT_ID:
-            case MMS_DRAFTS_ID:
-            case MMS_OUTBOX_ID:
-                String msgId = uri.getLastPathSegment();
-                normalizedKey = Uri.withAppendedPath(Mms.CONTENT_URI, msgId);
-                break;
-            default:
-                return null;
-        }
-
-        if (LOCAL_LOGV) {
-            Log.v(TAG, uri + " -> " + normalizedKey);
-        }
-        return normalizedKey;
-    }
-
-    private void purgeByMessageBox(Integer msgBoxId) {
-        if (LOCAL_LOGV) {
-            Log.v(TAG, "Purge cache in message box: " + msgBoxId);
-        }
-
-        if (msgBoxId != null) {
-            HashSet<Uri> msgBox = mMessageBoxes.remove(msgBoxId);
-            if (msgBox != null) {
-                for (Uri key : msgBox) {
-                    mUpdating.remove(key);
-                    PduCacheEntry entry = super.purge(key);
-                    if (entry != null) {
-                        removeFromThreads(key, entry);
-                    }
-                }
-            }
-        }
-    }
-
-    private void removeFromThreads(Uri key, PduCacheEntry entry) {
-        HashSet<Uri> thread = mThreads.get(entry.getThreadId());
-        if (thread != null) {
-            thread.remove(key);
-        }
-    }
-
-    private void purgeByThreadId(long threadId) {
-        if (LOCAL_LOGV) {
-            Log.v(TAG, "Purge cache in thread: " + threadId);
-        }
-
-        HashSet<Uri> thread = mThreads.remove(threadId);
-        if (thread != null) {
-            for (Uri key : thread) {
-                mUpdating.remove(key);
-                PduCacheEntry entry = super.purge(key);
-                if (entry != null) {
-                    removeFromMessageBoxes(key, entry);
-                }
-            }
-        }
-    }
-
-    private void removeFromMessageBoxes(Uri key, PduCacheEntry entry) {
-        HashSet<Uri> msgBox = mThreads.get(Long.valueOf(entry.getMessageBox()));
-        if (msgBox != null) {
-            msgBox.remove(key);
-        }
-    }
-}
diff --git a/src/java/com/google/android/mms/util/PduCacheEntry.java b/src/java/com/google/android/mms/util/PduCacheEntry.java
deleted file mode 100644
index 8b41386..0000000
--- a/src/java/com/google/android/mms/util/PduCacheEntry.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2008 Esmertec AG.
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.util;
-
-import com.google.android.mms.pdu.GenericPdu;
-
-public final class PduCacheEntry {
-    private final GenericPdu mPdu;
-    private final int mMessageBox;
-    private final long mThreadId;
-
-    public PduCacheEntry(GenericPdu pdu, int msgBox, long threadId) {
-        mPdu = pdu;
-        mMessageBox = msgBox;
-        mThreadId = threadId;
-    }
-
-    public GenericPdu getPdu() {
-        return mPdu;
-    }
-
-    public int getMessageBox() {
-        return mMessageBox;
-    }
-
-    public long getThreadId() {
-        return mThreadId;
-    }
-}
diff --git a/src/java/com/google/android/mms/util/SqliteWrapper.java b/src/java/com/google/android/mms/util/SqliteWrapper.java
deleted file mode 100644
index bcdac22..0000000
--- a/src/java/com/google/android/mms/util/SqliteWrapper.java
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Copyright (C) 2008 Esmertec AG.
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.android.mms.util;
-
-import android.app.ActivityManager;
-import android.content.ContentResolver;
-import android.content.ContentValues;
-import android.content.Context;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteException;
-import android.net.Uri;
-import android.util.Log;
-import android.widget.Toast;
-
-public final class SqliteWrapper {
-    private static final String TAG = "SqliteWrapper";
-    private static final String SQLITE_EXCEPTION_DETAIL_MESSAGE
-                = "unable to open database file";
-
-    private SqliteWrapper() {
-        // Forbidden being instantiated.
-    }
-
-    // FIXME: It looks like outInfo.lowMemory does not work well as we expected.
-    // after run command: adb shell fillup -p 100, outInfo.lowMemory is still false.
-    private static boolean isLowMemory(Context context) {
-        if (null == context) {
-            return false;
-        }
-
-        ActivityManager am = (ActivityManager)
-                        context.getSystemService(Context.ACTIVITY_SERVICE);
-        ActivityManager.MemoryInfo outInfo = new ActivityManager.MemoryInfo();
-        am.getMemoryInfo(outInfo);
-
-        return outInfo.lowMemory;
-    }
-
-    // FIXME: need to optimize this method.
-    private static boolean isLowMemory(SQLiteException e) {
-        return e.getMessage().equals(SQLITE_EXCEPTION_DETAIL_MESSAGE);
-    }
-
-    public static void checkSQLiteException(Context context, SQLiteException e) {
-        if (isLowMemory(e)) {
-            Toast.makeText(context, com.android.internal.R.string.low_memory,
-                    Toast.LENGTH_SHORT).show();
-        } else {
-            throw e;
-        }
-    }
-
-    public static Cursor query(Context context, ContentResolver resolver, Uri uri,
-            String[] projection, String selection, String[] selectionArgs, String sortOrder) {
-        try {
-            return resolver.query(uri, projection, selection, selectionArgs, sortOrder);
-        } catch (SQLiteException e) {
-            Log.e(TAG, "Catch a SQLiteException when query: ", e);
-            checkSQLiteException(context, e);
-            return null;
-        }
-    }
-
-    public static boolean requery(Context context, Cursor cursor) {
-        try {
-            return cursor.requery();
-        } catch (SQLiteException e) {
-            Log.e(TAG, "Catch a SQLiteException when requery: ", e);
-            checkSQLiteException(context, e);
-            return false;
-        }
-    }
-    public static int update(Context context, ContentResolver resolver, Uri uri,
-            ContentValues values, String where, String[] selectionArgs) {
-        try {
-            return resolver.update(uri, values, where, selectionArgs);
-        } catch (SQLiteException e) {
-            Log.e(TAG, "Catch a SQLiteException when update: ", e);
-            checkSQLiteException(context, e);
-            return -1;
-        }
-    }
-
-    public static int delete(Context context, ContentResolver resolver, Uri uri,
-            String where, String[] selectionArgs) {
-        try {
-            return resolver.delete(uri, where, selectionArgs);
-        } catch (SQLiteException e) {
-            Log.e(TAG, "Catch a SQLiteException when delete: ", e);
-            checkSQLiteException(context, e);
-            return -1;
-        }
-    }
-
-    public static Uri insert(Context context, ContentResolver resolver,
-            Uri uri, ContentValues values) {
-        try {
-            return resolver.insert(uri, values);
-        } catch (SQLiteException e) {
-            Log.e(TAG, "Catch a SQLiteException when insert: ", e);
-            checkSQLiteException(context, e);
-            return null;
-        }
-    }
-}
diff --git a/src/java/com/google/android/mms/util/package.html b/src/java/com/google/android/mms/util/package.html
deleted file mode 100755
index c9f96a6..0000000
--- a/src/java/com/google/android/mms/util/package.html
+++ /dev/null
@@ -1,5 +0,0 @@
-<body>
-
-{@hide}
-
-</body>