| /* |
| * 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 org.apache.harmony.xml; |
| |
| import dalvik.annotation.compat.UnsupportedAppUsage; |
| import org.xml.sax.Attributes; |
| |
| /** |
| * Wraps native attribute array. |
| */ |
| abstract class ExpatAttributes implements Attributes { |
| |
| /** |
| * Since we don't do validation, pretty much everything is CDATA type. |
| */ |
| private static final String CDATA = "CDATA"; |
| |
| @UnsupportedAppUsage |
| public ExpatAttributes() { |
| } |
| |
| /** |
| * Gets the number of attributes. |
| */ |
| public abstract int getLength(); |
| |
| /** |
| * Gets the pointer to the parser. We need this so we can get to the |
| * interned string pool. |
| */ |
| abstract long getParserPointer(); |
| |
| /** |
| * Gets the pointer to the underlying attribute array. Can be 0 if the |
| * length is 0. |
| */ |
| public abstract long getPointer(); |
| |
| public String getURI(int index) { |
| if (index < 0 || index >= getLength()) { |
| return null; |
| } |
| return getURI(getParserPointer(), getPointer(), index); |
| } |
| |
| public String getLocalName(int index) { |
| return (index < 0 || index >= getLength()) |
| ? null |
| : getLocalName(getParserPointer(), getPointer(), index); |
| } |
| |
| public String getQName(int index) { |
| return (index < 0 || index >= getLength()) |
| ? null |
| : getQName(getParserPointer(), getPointer(), index); |
| } |
| |
| public String getType(int index) { |
| return (index < 0 || index >= getLength()) ? null : CDATA; |
| } |
| |
| public String getValue(int index) { |
| return (index < 0 || index >= getLength()) |
| ? null |
| : getValueByIndex(getPointer(), index); |
| } |
| |
| public int getIndex(String uri, String localName) { |
| if (uri == null) { |
| throw new NullPointerException("uri == null"); |
| } |
| if (localName == null) { |
| throw new NullPointerException("localName == null"); |
| } |
| long pointer = getPointer(); |
| if (pointer == 0) { |
| return -1; |
| } |
| return getIndex(pointer, uri, localName); |
| } |
| |
| public int getIndex(String qName) { |
| if (qName == null) { |
| throw new NullPointerException("qName == null"); |
| } |
| long pointer = getPointer(); |
| if (pointer == 0) { |
| return -1; |
| } |
| return getIndexForQName(pointer, qName); |
| } |
| |
| public String getType(String uri, String localName) { |
| if (uri == null) { |
| throw new NullPointerException("uri == null"); |
| } |
| if (localName == null) { |
| throw new NullPointerException("localName == null"); |
| } |
| return getIndex(uri, localName) == -1 ? null : CDATA; |
| } |
| |
| public String getType(String qName) { |
| return getIndex(qName) == -1 ? null : CDATA; |
| } |
| |
| public String getValue(String uri, String localName) { |
| if (uri == null) { |
| throw new NullPointerException("uri == null"); |
| } |
| if (localName == null) { |
| throw new NullPointerException("localName == null"); |
| } |
| long pointer = getPointer(); |
| if (pointer == 0) { |
| return null; |
| } |
| return getValue(pointer, uri, localName); |
| } |
| |
| public String getValue(String qName) { |
| if (qName == null) { |
| throw new NullPointerException("qName == null"); |
| } |
| long pointer = getPointer(); |
| if (pointer == 0) { |
| return null; |
| } |
| return getValueForQName(pointer, qName); |
| } |
| |
| private static native String getURI(long pointer, long attributePointer, int index); |
| private static native String getLocalName(long pointer, long attributePointer, int index); |
| private static native String getQName(long pointer, long attributePointer, int index); |
| private static native String getValueByIndex(long attributePointer, int index); |
| private static native int getIndex(long attributePointer, String uri, String localName); |
| private static native int getIndexForQName(long attributePointer, String qName); |
| private static native String getValue(long attributePointer, String uri, String localName); |
| private static native String getValueForQName(long attributePointer, String qName); |
| protected native void freeAttributes(long pointer); |
| } |