1/* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package org.apache.harmony.xml.parsers; 18 19import javax.xml.parsers.DocumentBuilder; 20import javax.xml.parsers.DocumentBuilderFactory; 21import javax.xml.parsers.ParserConfigurationException; 22 23/** 24 * Provides a straightforward DocumentBuilderFactory implementation based on 25 * XMLPull/KXML. The class is used internally only, thus only notable members 26 * that are not already in the abstract superclass are documented. Hope that's 27 * ok. 28 */ 29public class DocumentBuilderFactoryImpl extends DocumentBuilderFactory { 30 31 private static final String NAMESPACES = 32 "http://xml.org/sax/features/namespaces"; 33 34 private static final String VALIDATION = 35 "http://xml.org/sax/features/validation"; 36 37 @Override 38 public Object getAttribute(String name) throws IllegalArgumentException { 39 throw new IllegalArgumentException(name); 40 } 41 42 @Override 43 public boolean getFeature(String name) throws ParserConfigurationException { 44 if (name == null) { 45 throw new NullPointerException("name == null"); 46 } 47 48 if (NAMESPACES.equals(name)) { 49 return isNamespaceAware(); 50 } else if (VALIDATION.equals(name)) { 51 return isValidating(); 52 } else { 53 throw new ParserConfigurationException(name); 54 } 55 } 56 57 @Override 58 public DocumentBuilder newDocumentBuilder() 59 throws ParserConfigurationException { 60 if (isValidating()) { 61 throw new ParserConfigurationException( 62 "No validating DocumentBuilder implementation available"); 63 } 64 65 /** 66 * TODO If Android is going to support a different DocumentBuilder 67 * implementations, this should be wired here. If we wanted to 68 * allow different implementations, these could be distinguished by 69 * a special feature (like http://www.org.apache.harmony.com/xml/expat) 70 * or by throwing the full SPI monty at it. 71 */ 72 DocumentBuilderImpl builder = new DocumentBuilderImpl(); 73 builder.setCoalescing(isCoalescing()); 74 builder.setIgnoreComments(isIgnoringComments()); 75 builder.setIgnoreElementContentWhitespace(isIgnoringElementContentWhitespace()); 76 builder.setNamespaceAware(isNamespaceAware()); 77 78 // TODO What about expandEntityReferences? 79 80 return builder; 81 } 82 83 @Override 84 public void setAttribute(String name, Object value) 85 throws IllegalArgumentException { 86 throw new IllegalArgumentException(name); 87 } 88 89 @Override 90 public void setFeature(String name, boolean value) 91 throws ParserConfigurationException { 92 if (name == null) { 93 throw new NullPointerException("name == null"); 94 } 95 96 if (NAMESPACES.equals(name)) { 97 setNamespaceAware(value); 98 } else if (VALIDATION.equals(name)) { 99 setValidating(value); 100 } else { 101 throw new ParserConfigurationException(name); 102 } 103 } 104 105} 106