ojluni/src/main/java/sun/print/AttributeClass.java - platform/libcore.git - Git at Google

 /*
  * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package sun.print;

 import java.io.ByteArrayInputStream;

 public class AttributeClass {
     private String myName;
     private int myType;
     private int nameLen;
     private Object myValue;

     public static final int TAG_UNSUPPORTED_VALUE = 0x10;
     public static final int TAG_INT = 0x21;
     public static final int TAG_BOOL = 0x22;
     public static final int TAG_ENUM = 0x23;
     public static final int TAG_OCTET = 0x30;
     public static final int TAG_DATE = 0x31;
     public static final int TAG_RESOLUTION = 0x32;
     public static final int TAG_RANGE_INTEGER = 0x33;

     public static final int TAG_TEXT_LANGUAGE = 0x35;
     public static final int TAG_NAME_LANGUAGE = 0x36;

     public static final int TAG_TEXT_WO_LANGUAGE = 0x41;
     public static final int TAG_NAME_WO_LANGUAGE = 0x42;
     public static final int TAG_KEYWORD = 0x44;
     public static final int TAG_URI = 0x45;
     public static final int TAG_CHARSET = 0x47;
     public static final int TAG_NATURALLANGUAGE = 0x48;
     public static final int TAG_MIME_MEDIATYPE = 0x49;
     public static final int TAG_MEMBER_ATTRNAME = 0x4A;


     public static final AttributeClass ATTRIBUTES_CHARSET =
         new AttributeClass("attributes-charset",
                            TAG_CHARSET, "utf-8");
     public static final AttributeClass ATTRIBUTES_NATURAL_LANGUAGE =
         new AttributeClass("attributes-natural-language",
                            TAG_NATURALLANGUAGE, "en");

     /*
      * value passed in by IPPPrintService.readIPPResponse is a sequence
      * of bytes with this format
      * | length1 | byte1 | byte 2 | ... byten | length2 | byte1 ... byten |
      *      :
      * | lengthN | byte1 ... byten | total number of values|
      */
     protected AttributeClass(String name, int type, Object value) {
         myName = name;
         myType = type;
         nameLen = name.length();
         myValue = value;
     }

     public byte getType() {
         return (byte)myType;
     }

     public char[] getLenChars() {
         char[] chars = new char[2];
         chars[0] = 0;
         chars[1] = (char)nameLen;
         return chars;
     }

     /**
      * Returns raw data.
      */
     public Object getObjectValue() {
         return myValue;
     }

     /**
      * Returns single int value.
      */
     public int getIntValue() {
         byte[] bufArray = (byte[])myValue;

         if (bufArray != null) {
             byte[] buf = new byte[4];
             for (int i=0; i<4; i++) {
                 buf[i] = bufArray[i+1];
             }

             return convertToInt(buf);
         }
         return 0;
     }

     /**
      * Returns array of int values.
      */
     public int[] getArrayOfIntValues() {

         byte[] bufArray = (byte[])myValue;
         if (bufArray != null) {

             //ArrayList valList = new ArrayList();
             ByteArrayInputStream bufStream =
                 new ByteArrayInputStream(bufArray);
             int available = bufStream.available();

             // total number of values is at the end of the stream
             bufStream.mark(available);
             bufStream.skip(available-1);
             int length = bufStream.read();
             bufStream.reset();

             int[] valueArray = new int[length];
             for (int i = 0; i < length; i++) {
                 // read length
                 int valLength = bufStream.read();
                 if (valLength != 4) {
                     // invalid data
                     return null;
                 }

                 byte[] bufBytes = new byte[valLength];
                 bufStream.read(bufBytes, 0, valLength);
                 valueArray[i] = convertToInt(bufBytes);

             }
             return valueArray;
         }
         return null;
     }

     /**
      * Returns 2 int values.
      */
     public int[] getIntRangeValue() {
         int[] range = {0, 0};
         byte[] bufArray = (byte[])myValue;
         if (bufArray != null) {
             int nBytes = 4; // 32-bit signed integer
             for (int j=0; j<2; j++) { // 2 set of integers
                 byte[] intBytes = new byte[nBytes];
                 // REMIND: # bytes should be 8
                 for (int i=0; i< nBytes; i++) {
                     //+ 1 because the 1st byte is length
                     intBytes[i] = bufArray[i+(4*j)+1];
                 }
                 range[j] = convertToInt(intBytes);
             }
         }
         return range;

     }

     /**
      * Returns String value.
      */
     public String getStringValue() {
         //assumes only 1 attribute value.  Will get the first value
         // if > 1.
         String strVal = null;
         byte[] bufArray = (byte[])myValue;
         if (bufArray != null) {
             ByteArrayInputStream bufStream =
                 new ByteArrayInputStream(bufArray);

             int valLength = bufStream.read();

             byte[] strBytes = new byte[valLength];
             bufStream.read(strBytes, 0, valLength);
             try {
                 strVal = new String(strBytes, "UTF-8");
             } catch (java.io.UnsupportedEncodingException uee) {
             }
         }
         return strVal;
     }


     /**
      * Returns array of String values.
      */
     public String[] getArrayOfStringValues() {

         byte[] bufArray = (byte[])myValue;
         if (bufArray != null) {
             ByteArrayInputStream bufStream =
                 new ByteArrayInputStream(bufArray);
             int available = bufStream.available();

             // total number of values is at the end of the stream
             bufStream.mark(available);
             bufStream.skip(available-1);
             int length = bufStream.read();
             bufStream.reset();

             String[] valueArray = new String[length];
             for (int i = 0; i < length; i++) {
                 // read length
                 int valLength = bufStream.read();
                 byte[] bufBytes = new byte[valLength];
                 bufStream.read(bufBytes, 0, valLength);
                 try {
                     valueArray[i] = new String(bufBytes, "UTF-8");
                 } catch (java.io.UnsupportedEncodingException uee) {
                 }
             }
             return valueArray;
         }
         return null;
     }


     /**
      * Returns single byte value.
      */
     public byte getByteValue() {
         byte[] bufArray = (byte[])myValue;

         if ((bufArray != null) && (bufArray.length>=2)) {
             return bufArray[1];
         }
         return 0;
     }

     /**
      * Returns attribute name.
      */
     public String getName() {
         return myName;
     }

     public boolean equals(Object obj) {
         return
             obj != null &&
             obj instanceof AttributeClass &&
             obj.toString().equals (((AttributeClass) obj).toString());
     }

     public String toString() {
         return myName;
     }

     private int unsignedByteToInt(byte b) {
         return (int) (b & 0xff);
     }

     private int convertToInt(byte[] buf) {
         int intVal = 0;
         int pos = 0;
         intVal+= unsignedByteToInt(buf[pos++]) << 24;
         intVal+= unsignedByteToInt(buf[pos++]) << 16;
         intVal+= unsignedByteToInt(buf[pos++]) << 8;
         intVal+= unsignedByteToInt(buf[pos++]) << 0;
         return intVal;
     }
 }
	/*
	* Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/
	package sun.print;

	import java.io.ByteArrayInputStream;

	public class AttributeClass {
	private String myName;
	private int myType;
	private int nameLen;
	private Object myValue;

	public static final int TAG_UNSUPPORTED_VALUE = 0x10;
	public static final int TAG_INT = 0x21;
	public static final int TAG_BOOL = 0x22;
	public static final int TAG_ENUM = 0x23;
	public static final int TAG_OCTET = 0x30;
	public static final int TAG_DATE = 0x31;
	public static final int TAG_RESOLUTION = 0x32;
	public static final int TAG_RANGE_INTEGER = 0x33;

	public static final int TAG_TEXT_LANGUAGE = 0x35;
	public static final int TAG_NAME_LANGUAGE = 0x36;

	public static final int TAG_TEXT_WO_LANGUAGE = 0x41;
	public static final int TAG_NAME_WO_LANGUAGE = 0x42;
	public static final int TAG_KEYWORD = 0x44;
	public static final int TAG_URI = 0x45;
	public static final int TAG_CHARSET = 0x47;
	public static final int TAG_NATURALLANGUAGE = 0x48;
	public static final int TAG_MIME_MEDIATYPE = 0x49;
	public static final int TAG_MEMBER_ATTRNAME = 0x4A;


	public static final AttributeClass ATTRIBUTES_CHARSET =
	new AttributeClass("attributes-charset",
	TAG_CHARSET, "utf-8");
	public static final AttributeClass ATTRIBUTES_NATURAL_LANGUAGE =
	new AttributeClass("attributes-natural-language",
	TAG_NATURALLANGUAGE, "en");

	/*
	* value passed in by IPPPrintService.readIPPResponse is a sequence
	* of bytes with this format
	* \| length1 \| byte1 \| byte 2 \| ... byten \| length2 \| byte1 ... byten \|
	* :
	* \| lengthN \| byte1 ... byten \| total number of values\|
	*/
	protected AttributeClass(String name, int type, Object value) {
	myName = name;
	myType = type;
	nameLen = name.length();
	myValue = value;
	}

	public byte getType() {
	return (byte)myType;
	}

	public char[] getLenChars() {
	char[] chars = new char[2];
	chars[0] = 0;
	chars[1] = (char)nameLen;
	return chars;
	}

	/**
	* Returns raw data.
	*/
	public Object getObjectValue() {
	return myValue;
	}

	/**
	* Returns single int value.
	*/
	public int getIntValue() {
	byte[] bufArray = (byte[])myValue;

	if (bufArray != null) {
	byte[] buf = new byte[4];
	for (int i=0; i<4; i++) {
	buf[i] = bufArray[i+1];
	}

	return convertToInt(buf);
	}
	return 0;
	}

	/**
	* Returns array of int values.
	*/
	public int[] getArrayOfIntValues() {

	byte[] bufArray = (byte[])myValue;
	if (bufArray != null) {

	//ArrayList valList = new ArrayList();
	ByteArrayInputStream bufStream =
	new ByteArrayInputStream(bufArray);
	int available = bufStream.available();

	// total number of values is at the end of the stream
	bufStream.mark(available);
	bufStream.skip(available-1);
	int length = bufStream.read();
	bufStream.reset();

	int[] valueArray = new int[length];
	for (int i = 0; i < length; i++) {
	// read length
	int valLength = bufStream.read();
	if (valLength != 4) {
	// invalid data
	return null;
	}

	byte[] bufBytes = new byte[valLength];
	bufStream.read(bufBytes, 0, valLength);
	valueArray[i] = convertToInt(bufBytes);

	}
	return valueArray;
	}
	return null;
	}

	/**
	* Returns 2 int values.
	*/
	public int[] getIntRangeValue() {
	int[] range = {0, 0};
	byte[] bufArray = (byte[])myValue;
	if (bufArray != null) {
	int nBytes = 4; // 32-bit signed integer
	for (int j=0; j<2; j++) { // 2 set of integers
	byte[] intBytes = new byte[nBytes];
	// REMIND: # bytes should be 8
	for (int i=0; i< nBytes; i++) {
	//+ 1 because the 1st byte is length
	intBytes[i] = bufArray[i+(4*j)+1];
	}
	range[j] = convertToInt(intBytes);
	}
	}
	return range;

	}

	/**
	* Returns String value.
	*/
	public String getStringValue() {
	//assumes only 1 attribute value. Will get the first value
	// if > 1.
	String strVal = null;
	byte[] bufArray = (byte[])myValue;
	if (bufArray != null) {
	ByteArrayInputStream bufStream =
	new ByteArrayInputStream(bufArray);

	int valLength = bufStream.read();

	byte[] strBytes = new byte[valLength];
	bufStream.read(strBytes, 0, valLength);
	try {
	strVal = new String(strBytes, "UTF-8");
	} catch (java.io.UnsupportedEncodingException uee) {
	}
	}
	return strVal;
	}


	/**
	* Returns array of String values.
	*/
	public String[] getArrayOfStringValues() {

	byte[] bufArray = (byte[])myValue;
	if (bufArray != null) {
	ByteArrayInputStream bufStream =
	new ByteArrayInputStream(bufArray);
	int available = bufStream.available();

	// total number of values is at the end of the stream
	bufStream.mark(available);
	bufStream.skip(available-1);
	int length = bufStream.read();
	bufStream.reset();

	String[] valueArray = new String[length];
	for (int i = 0; i < length; i++) {
	// read length
	int valLength = bufStream.read();
	byte[] bufBytes = new byte[valLength];
	bufStream.read(bufBytes, 0, valLength);
	try {
	valueArray[i] = new String(bufBytes, "UTF-8");
	} catch (java.io.UnsupportedEncodingException uee) {
	}
	}
	return valueArray;
	}
	return null;
	}


	/**
	* Returns single byte value.
	*/
	public byte getByteValue() {
	byte[] bufArray = (byte[])myValue;

	if ((bufArray != null) && (bufArray.length>=2)) {
	return bufArray[1];
	}
	return 0;
	}

	/**
	* Returns attribute name.
	*/
	public String getName() {
	return myName;
	}

	public boolean equals(Object obj) {
	return
	obj != null &&
	obj instanceof AttributeClass &&
	obj.toString().equals (((AttributeClass) obj).toString());
	}

	public String toString() {
	return myName;
	}

	private int unsignedByteToInt(byte b) {
	return (int) (b & 0xff);
	}

	private int convertToInt(byte[] buf) {
	int intVal = 0;
	int pos = 0;
	intVal+= unsignedByteToInt(buf[pos++]) << 24;
	intVal+= unsignedByteToInt(buf[pos++]) << 16;
	intVal+= unsignedByteToInt(buf[pos++]) << 8;
	intVal+= unsignedByteToInt(buf[pos++]) << 0;
	return intVal;
	}
	}