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Java > Open Source Codes > org > dom4j > samples > RoundTripDemo


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: RoundTripDemo.java,v 1.4 2005/01/29 14:52:57 maartenc Exp $
8  */
9
10 package org.dom4j.samples;
11
12 import java.io.StringReader JavaDoc;
13 import java.io.StringWriter JavaDoc;
14
15 import org.dom4j.Document;
16 import org.dom4j.io.SAXReader;
17 import org.dom4j.io.XMLWriter;
18
19 /**
20  * A simple program demonstrating a round trip from XML to dom4j to text to
21  * dom4j again
22  *
23  * @author <a HREF="mailto:jstrachan@apache.org">James Strachan </a>
24  * @version $Revision: 1.4 $
25  */
26 public class RoundTripDemo extends SAXDemo {
27
28     public static void main(String JavaDoc[] args) {
29         run(new RoundTripDemo(), args);
30     }
31
32     public RoundTripDemo() {
33     }
34
35     /** Outputs the document to a buffer, parse it back again then output it */
36     protected void process(Document document) throws Exception JavaDoc {
37
38         System.out.println("about to output: " + document);
39
40         // output the document to a buffer
41 StringWriter JavaDoc out = new StringWriter JavaDoc();
42         XMLWriter writer = new XMLWriter(out);
43         writer.write(document);
44         writer.close();
45
46         // parse back again
47 StringReader JavaDoc in = new StringReader JavaDoc(out.toString());
48         SAXReader reader = new SAXReader();
49         Document doc2 = reader.read(in);
50
51         System.out.println("parsed back again: " + doc2);
52
53         // now lets output it again
54 writer.setOutputStream(System.out);
55         writer.write(doc2);
56     }
57 }
58
59 /*
60  * Redistribution and use of this software and associated documentation
61  * ("Software"), with or without modification, are permitted provided that the
62  * following conditions are met:
63  *
64  * 1. Redistributions of source code must retain copyright statements and
65  * notices. Redistributions must also contain a copy of this document.
66  *
67  * 2. Redistributions in binary form must reproduce the above copyright notice,
68  * this list of conditions and the following disclaimer in the documentation
69  * and/or other materials provided with the distribution.
70  *
71  * 3. The name "DOM4J" must not be used to endorse or promote products derived
72  * from this Software without prior written permission of MetaStuff, Ltd. For
73  * written permission, please contact dom4j-info@metastuff.com.
74  *
75  * 4. Products derived from this Software may not be called "DOM4J" nor may
76  * "DOM4J" appear in their names without prior written permission of MetaStuff,
77  * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
78  *
79  * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
80  *
81  * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
82  * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
83  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
84  * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
85  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
86  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
87  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
88  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
89  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
90  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
91  * POSSIBILITY OF SUCH DAMAGE.
92  *
93  * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
94  *
95  * $Id: RoundTripDemo.java,v 1.4 2005/01/29 14:52:57 maartenc Exp $
96  */
97
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