|
0
|
1 /*--
|
|
|
2
|
|
|
3 $Id: JAXPDOMAdapter.java,v 1.13 2007/11/10 05:28:59 jhunter Exp $
|
|
|
4
|
|
|
5 Copyright (C) 2000-2007 Jason Hunter & Brett McLaughlin.
|
|
|
6 All rights reserved.
|
|
|
7
|
|
|
8 Redistribution and use in source and binary forms, with or without
|
|
|
9 modification, are permitted provided that the following conditions
|
|
|
10 are met:
|
|
|
11
|
|
|
12 1. Redistributions of source code must retain the above copyright
|
|
|
13 notice, this list of conditions, and the following disclaimer.
|
|
|
14
|
|
|
15 2. Redistributions in binary form must reproduce the above copyright
|
|
|
16 notice, this list of conditions, and the disclaimer that follows
|
|
|
17 these conditions in the documentation and/or other materials
|
|
|
18 provided with the distribution.
|
|
|
19
|
|
|
20 3. The name "JDOM" must not be used to endorse or promote products
|
|
|
21 derived from this software without prior written permission. For
|
|
|
22 written permission, please contact <request_AT_jdom_DOT_org>.
|
|
|
23
|
|
|
24 4. Products derived from this software may not be called "JDOM", nor
|
|
|
25 may "JDOM" appear in their name, without prior written permission
|
|
|
26 from the JDOM Project Management <request_AT_jdom_DOT_org>.
|
|
|
27
|
|
|
28 In addition, we request (but do not require) that you include in the
|
|
|
29 end-user documentation provided with the redistribution and/or in the
|
|
|
30 software itself an acknowledgement equivalent to the following:
|
|
|
31 "This product includes software developed by the
|
|
|
32 JDOM Project (http://www.jdom.org/)."
|
|
|
33 Alternatively, the acknowledgment may be graphical using the logos
|
|
|
34 available at http://www.jdom.org/images/logos.
|
|
|
35
|
|
|
36 THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
|
|
37 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
|
38 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
|
39 DISCLAIMED. IN NO EVENT SHALL THE JDOM AUTHORS OR THE PROJECT
|
|
|
40 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
|
41 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
|
42 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
|
|
43 USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
|
44 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
|
45 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
|
46 OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
47 SUCH DAMAGE.
|
|
|
48
|
|
|
49 This software consists of voluntary contributions made by many
|
|
|
50 individuals on behalf of the JDOM Project and was originally
|
|
|
51 created by Jason Hunter <jhunter_AT_jdom_DOT_org> and
|
|
|
52 Brett McLaughlin <brett_AT_jdom_DOT_org>. For more information
|
|
|
53 on the JDOM Project, please see <http://www.jdom.org/>.
|
|
|
54
|
|
|
55 */
|
|
|
56
|
|
|
57 package org.jdom.adapters;
|
|
|
58
|
|
|
59 import java.io.*;
|
|
|
60 import java.lang.reflect.*;
|
|
|
61
|
|
|
62 import org.jdom.*;
|
|
|
63 import org.jdom.input.*;
|
|
|
64 import org.w3c.dom.Document;
|
|
|
65
|
|
|
66 /**
|
|
|
67 * An adapter for any parser supporting the Sun JAXP APIs.
|
|
|
68 *
|
|
|
69 * @version $Revision: 1.13 $, $Date: 2007/11/10 05:28:59 $
|
|
|
70 * @author Jason Hunter
|
|
|
71 */
|
|
|
72 public class JAXPDOMAdapter extends AbstractDOMAdapter {
|
|
|
73
|
|
|
74 private static final String CVS_ID =
|
|
|
75 "@(#) $RCSfile: JAXPDOMAdapter.java,v $ $Revision: 1.13 $ $Date: 2007/11/10 05:28:59 $ $Name: jdom_1_1_1 $";
|
|
|
76
|
|
|
77 /**
|
|
|
78 * This creates a new <code>{@link Document}</code> from an
|
|
|
79 * existing <code>InputStream</code> by letting a JAXP
|
|
|
80 * parser handle parsing using the supplied stream.
|
|
|
81 *
|
|
|
82 * @param in <code>InputStream</code> to parse.
|
|
|
83 * @param validate <code>boolean</code> to indicate if validation
|
|
|
84 * should occur.
|
|
|
85 * @return <code>Document</code> - instance ready for use.
|
|
|
86 * @throws IOException when I/O error occurs.
|
|
|
87 * @throws JDOMException when errors occur in parsing.
|
|
|
88 */
|
|
|
89 public Document getDocument(InputStream in, boolean validate)
|
|
|
90 throws IOException, JDOMException {
|
|
|
91
|
|
|
92 try {
|
|
|
93 // Try using JAXP...
|
|
|
94 // Note we need DOM Level 2 and thus JAXP 1.1.
|
|
|
95 Class.forName("javax.xml.transform.Transformer");
|
|
|
96
|
|
|
97 // Try JAXP 1.1 calls to build the document
|
|
|
98 Class factoryClass =
|
|
|
99 Class.forName("javax.xml.parsers.DocumentBuilderFactory");
|
|
|
100
|
|
|
101 // factory = DocumentBuilderFactory.newInstance();
|
|
|
102 Method newParserInstance =
|
|
|
103 factoryClass.getMethod("newInstance", null);
|
|
|
104 Object factory = newParserInstance.invoke(null, null);
|
|
|
105
|
|
|
106 // factory.setValidating(validate);
|
|
|
107 Method setValidating =
|
|
|
108 factoryClass.getMethod("setValidating",
|
|
|
109 new Class[]{boolean.class});
|
|
|
110 setValidating.invoke(factory,
|
|
|
111 new Object[]{new Boolean(validate)});
|
|
|
112
|
|
|
113 // factory.setNamespaceAware(true);
|
|
|
114 Method setNamespaceAware =
|
|
|
115 factoryClass.getMethod("setNamespaceAware",
|
|
|
116 new Class[]{boolean.class});
|
|
|
117 setNamespaceAware.invoke(factory,
|
|
|
118 new Object[]{Boolean.TRUE});
|
|
|
119
|
|
|
120 // jaxpParser = factory.newDocumentBuilder();
|
|
|
121 Method newDocBuilder =
|
|
|
122 factoryClass.getMethod("newDocumentBuilder", null);
|
|
|
123 Object jaxpParser = newDocBuilder.invoke(factory, null);
|
|
|
124
|
|
|
125 // jaxpParser.setErrorHandler(null);
|
|
|
126 Class parserClass = jaxpParser.getClass();
|
|
|
127 Method setErrorHandler =
|
|
|
128 parserClass.getMethod("setErrorHandler",
|
|
|
129 new Class[]{org.xml.sax.ErrorHandler.class});
|
|
|
130 setErrorHandler.invoke(jaxpParser,
|
|
|
131 new Object[]{new BuilderErrorHandler()});
|
|
|
132
|
|
|
133 // domDoc = jaxpParser.parse(in);
|
|
|
134 Method parse = parserClass.getMethod(
|
|
|
135 "parse", new Class[]{InputStream.class});
|
|
|
136 org.w3c.dom.Document domDoc = (org.w3c.dom.Document)
|
|
|
137 parse.invoke(jaxpParser, new Object[]{in});
|
|
|
138
|
|
|
139 return domDoc;
|
|
|
140 } catch (InvocationTargetException e) {
|
|
|
141 Throwable targetException = e.getTargetException();
|
|
|
142 if (targetException instanceof IOException) {
|
|
|
143 throw (IOException) targetException;
|
|
|
144 } else {
|
|
|
145 throw new JDOMException(targetException.getMessage(), targetException);
|
|
|
146 }
|
|
|
147 } catch (Exception e) {
|
|
|
148 throw new JDOMException("Reflection failed while parsing a document with JAXP", e);
|
|
|
149 }
|
|
|
150
|
|
|
151 // Allow all exceptions to pass through
|
|
|
152 }
|
|
|
153
|
|
|
154 /**
|
|
|
155 * This creates an empty <code>Document</code> object based
|
|
|
156 * on a specific parser implementation.
|
|
|
157 *
|
|
|
158 * @return <code>Document</code> - created DOM Document.
|
|
|
159 * @throws JDOMException when errors occur in parsing.
|
|
|
160 */
|
|
|
161 public Document createDocument()
|
|
|
162 throws JDOMException {
|
|
|
163
|
|
|
164 try {
|
|
|
165 // We need DOM Level 2 and thus JAXP 1.1.
|
|
|
166 // If JAXP 1.0 is all that's available then we error out.
|
|
|
167 Class.forName("javax.xml.transform.Transformer");
|
|
|
168
|
|
|
169 // Try JAXP 1.1 calls to build the document
|
|
|
170 Class factoryClass =
|
|
|
171 Class.forName("javax.xml.parsers.DocumentBuilderFactory");
|
|
|
172
|
|
|
173 // factory = DocumentBuilderFactory.newInstance();
|
|
|
174 Method newParserInstance =
|
|
|
175 factoryClass.getMethod("newInstance", null);
|
|
|
176 Object factory = newParserInstance.invoke(null, null);
|
|
|
177
|
|
|
178 // jaxpParser = factory.newDocumentBuilder();
|
|
|
179 Method newDocBuilder =
|
|
|
180 factoryClass.getMethod("newDocumentBuilder", null);
|
|
|
181 Object jaxpParser = newDocBuilder.invoke(factory, null);
|
|
|
182
|
|
|
183 // domDoc = jaxpParser.newDocument();
|
|
|
184 Class parserClass = jaxpParser.getClass();
|
|
|
185 Method newDoc = parserClass.getMethod("newDocument", null);
|
|
|
186 org.w3c.dom.Document domDoc =
|
|
|
187 (org.w3c.dom.Document) newDoc.invoke(jaxpParser, null);
|
|
|
188
|
|
|
189 return domDoc;
|
|
|
190 } catch (Exception e) {
|
|
|
191 throw new JDOMException("Reflection failed while creating new JAXP document", e);
|
|
|
192 }
|
|
|
193
|
|
|
194 }
|
|
|
195 }
|
