1 /* 2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package transform; 25 26 import javax.xml.parsers.SAXParser; 27 import javax.xml.parsers.SAXParserFactory; 28 import javax.xml.transform.Transformer; 29 import javax.xml.transform.TransformerFactory; 30 import javax.xml.transform.dom.DOMResult; 31 import javax.xml.transform.sax.SAXSource; 32 import javax.xml.transform.stream.StreamSource; 33 34 import org.testng.annotations.Test; 35 import org.w3c.dom.Document; 36 import org.w3c.dom.Element; 37 import org.xml.sax.Attributes; 38 import org.xml.sax.InputSource; 39 import org.xml.sax.SAXException; 40 import org.xml.sax.SAXNotRecognizedException; 41 import org.xml.sax.SAXNotSupportedException; 42 import org.xml.sax.XMLReader; 43 import org.xml.sax.ext.LexicalHandler; 44 import org.xml.sax.helpers.AttributesImpl; 45 import org.xml.sax.helpers.XMLFilterImpl; 46 47 /* 48 * @summary Test Transforming from SAX to DOM. 49 */ 50 public class SAX2DOMTest { 51 52 @Test 53 public void test() throws Exception { 54 SAXParserFactory fac = SAXParserFactory.newInstance(); 55 fac.setNamespaceAware(true); 56 SAXParser saxParser = fac.newSAXParser(); 57 58 StreamSource sr = new StreamSource(this.getClass().getResourceAsStream("SAX2DOMTest.xml")); 59 InputSource is = SAXSource.sourceToInputSource(sr); 60 RejectDoctypeSaxFilter rf = new RejectDoctypeSaxFilter(saxParser); 61 SAXSource src = new SAXSource(rf, is); 62 Transformer transformer = TransformerFactory.newInstance().newTransformer(); 63 DOMResult result = new DOMResult(); 64 transformer.transform(src, result); 65 66 Document doc = (Document) result.getNode(); 67 System.out.println("Name" + doc.getDocumentElement().getLocalName()); 68 69 String id = "XWSSGID-11605791027261938254268"; 70 Element selement = doc.getElementById(id); 71 if (selement == null) { 72 System.out.println("getElementById returned null"); 73 } 74 75 } 76 77 public static class RejectDoctypeSaxFilter extends XMLFilterImpl implements XMLReader, LexicalHandler { 78 79 /** Standard SAX 2.0 ext property */ 80 static final String LEXICAL_HANDLER_PROP = "http://xml.org/sax/properties/lexical-handler"; 81 82 static final String WSU_NS = "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd".intern(); 83 static final String SIGNATURE_LNAME = "Signature".intern(); 84 static final String ENCRYPTED_DATA_LNAME = "EncryptedData".intern(); 85 static final String DSIG_NS = "http://www.w3.org/2000/09/xmldsig#".intern(); 86 static final String XENC_NS = "http://www.w3.org/2001/04/xmlenc#".intern(); 87 static final String ID_NAME = "ID".intern(); 88 89 /** LexicalHandler to forward events to, if any */ 90 private LexicalHandler lexicalHandler; 91 92 public RejectDoctypeSaxFilter(SAXParser saxParser) throws Exception { 93 XMLReader xmlReader; 94 try { 95 xmlReader = saxParser.getXMLReader(); 96 } catch (Exception e) { 97 throw new Exception("Couldn't get an XMLReader while constructing a RejectDoctypeSaxFilter", e); 98 } 99 100 // Set ourselves up to be the SAX LexicalHandler 101 try { 102 xmlReader.setProperty(LEXICAL_HANDLER_PROP, this); 103 } catch (Exception e) { 104 throw new Exception("Couldn't set the lexical handler property while constructing a RejectDoctypeSaxFilter", e); 105 } 106 107 // Set the parent XMLReader of this SAX filter 108 setParent(xmlReader); 109 } 110 111 /* 112 * Override setProperty() to capture any LexicalHandler that is set for 113 * forwarding of events. 114 */ 115 public void setProperty(String name, Object value) throws SAXNotRecognizedException, SAXNotSupportedException { 116 if (LEXICAL_HANDLER_PROP.equals(name)) { 117 lexicalHandler = (LexicalHandler) value; 118 } else { 119 super.setProperty(name, value); 120 } 121 } 122 123 // 124 // Beginning of SAX LexicalHandler callbacks... 125 // 126 127 public void startDTD(String name, String publicId, String systemId) throws SAXException { 128 throw new SAXException("Document Type Declaration is not allowed"); 129 } 130 131 public void endDTD() throws SAXException { 132 } 133 134 public void startEntity(String name) throws SAXException { 135 if (lexicalHandler != null) { 136 lexicalHandler.startEntity(name); 137 } 138 } 139 140 public void endEntity(String name) throws SAXException { 141 if (lexicalHandler != null) { 142 lexicalHandler.endEntity(name); 143 } 144 } 145 146 public void startCDATA() throws SAXException { 147 if (lexicalHandler != null) { 148 lexicalHandler.startCDATA(); 149 } 150 } 151 152 public void endCDATA() throws SAXException { 153 if (lexicalHandler != null) { 154 lexicalHandler.endCDATA(); 155 } 156 } 157 158 public void comment(char[] ch, int start, int length) throws SAXException { 159 if (lexicalHandler != null) { 160 lexicalHandler.comment(ch, start, length); 161 } 162 } 163 164 // 165 // End of SAX LexicalHandler callbacks 166 // 167 168 public void startElement(String namespaceURI, String localName, String qName, Attributes atts) throws SAXException { 169 if (atts != null) { 170 boolean eos = false; 171 if (namespaceURI == DSIG_NS || XENC_NS == namespaceURI) { 172 eos = true; 173 } 174 int length = atts.getLength(); 175 AttributesImpl attrImpl = new AttributesImpl(); 176 for (int i = 0; i < length; i++) { 177 String name = atts.getLocalName(i); 178 if (name != null && (name.equals("Id"))) { 179 if (eos || atts.getURI(i) == WSU_NS) { 180 attrImpl.addAttribute(atts.getURI(i), atts.getLocalName(i), atts.getQName(i), ID_NAME, atts.getValue(i)); 181 } else { 182 attrImpl.addAttribute(atts.getURI(i), atts.getLocalName(i), atts.getQName(i), atts.getType(i), atts.getValue(i)); 183 } 184 } else { 185 attrImpl.addAttribute(atts.getURI(i), atts.getLocalName(i), atts.getQName(i), atts.getType(i), atts.getValue(i)); 186 } 187 } 188 super.startElement(namespaceURI, localName, qName, attrImpl); 189 } else { 190 super.startElement(namespaceURI, localName, qName, atts); 191 } 192 } 193 } 194 }