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1 /*
2 * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
3 *
4 * This software is open source.
5 * See the bottom of this file for the licence.
6 *
7 * $Id: SAXDOMDemo.java,v 1.4 2005/01/29 14:52:58 maartenc Exp $
8 */
9
10 package org.dom4j.samples.dom;
11
12 import org.dom4j.samples.AbstractDemo;
13
14 import org.dom4j.Document;
15 import org.dom4j.io.DOMReader;
16 import org.dom4j.io.DOMWriter;
17 import org.dom4j.io.SAXContentHandler;
18 import org.dom4j.io.SAXReader;
19 import org.dom4j.io.SAXWriter;
20
21 /**
22 * This sample program parses an XML document as a DOM4J tree using SAX, it then
23 * creates a W3C DOM tree which is then used as input for creating a new DOM4J
24 * tree which is then output to SAX which is then parsed into another DOM4J tree
25 * which is then output as XML.
26 *
27 * This is clearly not terribly useful but demonstrates how to convert from SAX
28 * <->DOM4J and DOM4J <->DOM and DOM4J <->text
29 *
30 * @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
31 * @version $Revision: 1.4 $
32 */
33 public class SAXDOMDemo extends AbstractDemo {
34
35 public static void main(String[] args) {
36 run(new SAXDOMDemo(), args);
37 }
38
39 public SAXDOMDemo() {
40 }
41
42 protected Document parse(String url) throws Exception {
43 SAXReader saxReader = new SAXReader();
44 Document document = saxReader.read(url);
45
46 println("Parsed to DOM4J tree using SAX: " + document);
47
48 // now lets make a DOM object
49 DOMWriter domWriter = new DOMWriter();
50 org.w3c.dom.Document domDocument = domWriter.write(document);
51
52 println("Converted to DOM tree: " + domDocument);
53
54 // now lets read it back as a DOM4J object
55 DOMReader domReader = new DOMReader();
56 document = domReader.read(domDocument);
57
58 println("Converted to DOM4J tree using DOM: " + document);
59
60 // now lets write it back as SAX events to
61 // a SAX ContentHandler which should build up a new document
62 SAXContentHandler contentHandler = new SAXContentHandler();
63 SAXWriter saxWriter = new SAXWriter(contentHandler, null,
64 contentHandler);
65
66 saxWriter.write(document);
67 document = contentHandler.getDocument();
68
69 println("Converted DOM4J to SAX events then back to DOM4J: " + document);
70
71 return document;
72 }
73 }
74
75 /*
76 * Redistribution and use of this software and associated documentation
77 * ("Software"), with or without modification, are permitted provided that the
78 * following conditions are met:
79 *
80 * 1. Redistributions of source code must retain copyright statements and
81 * notices. Redistributions must also contain a copy of this document.
82 *
83 * 2. Redistributions in binary form must reproduce the above copyright notice,
84 * this list of conditions and the following disclaimer in the documentation
85 * and/or other materials provided with the distribution.
86 *
87 * 3. The name "DOM4J" must not be used to endorse or promote products derived
88 * from this Software without prior written permission of MetaStuff, Ltd. For
89 * written permission, please contact dom4j-info@metastuff.com.
90 *
91 * 4. Products derived from this Software may not be called "DOM4J" nor may
92 * "DOM4J" appear in their names without prior written permission of MetaStuff,
93 * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
94 *
95 * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
96 *
97 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
98 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
99 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
100 * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
101 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
102 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
103 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
104 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
105 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
106 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
107 * POSSIBILITY OF SUCH DAMAGE.
108 *
109 * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
110 *
111 * $Id: SAXDOMDemo.java,v 1.4 2005/01/29 14:52:58 maartenc Exp $
112 */