1 /*
2 * Copyright 2001-2005 (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
8 package org.dom4j.util;
9
10 import org.dom4j.Attribute;
11 import org.dom4j.DocumentFactory;
12 import org.dom4j.Element;
13 import org.dom4j.QName;
14
15 /**
16 * <p>
17 * <code>UserDataDocumentFactory</code> is a factory of XML objects which
18 * support the adornment of a user data object on an Element or Attribute
19 * instance such that the methods <code>getData()</code> and
20 * <code>setData()</code> will get and set the values of a user data object.
21 * This can be useful for developers wishing to create XML trees and adorn the
22 * trees with user defined objects.
23 * </p>
24 *
25 * @author <a href="mailto:jstrachan@apache.org">James Strachan </a>
26 * @version $Revision: 1.11 $
27 */
28 public class UserDataDocumentFactory extends DocumentFactory {
29 /** The Singleton instance */
30 protected static transient UserDataDocumentFactory singleton
31 = new UserDataDocumentFactory();
32
33 /**
34 * <p>
35 * Access to the singleton instance of this factory.
36 * </p>
37 *
38 * @return the default singleon instance
39 */
40 public static DocumentFactory getInstance() {
41 return singleton;
42 }
43
44 // DocumentFactory methods
45 // -------------------------------------------------------------------------
46 public Element createElement(QName qname) {
47 return new UserDataElement(qname);
48 }
49
50 public Attribute createAttribute(Element owner, QName qname, String value) {
51 return new UserDataAttribute(qname, value);
52 }
53 }
54
55 /*
56 * Redistribution and use of this software and associated documentation
57 * ("Software"), with or without modification, are permitted provided that the
58 * following conditions are met:
59 *
60 * 1. Redistributions of source code must retain copyright statements and
61 * notices. Redistributions must also contain a copy of this document.
62 *
63 * 2. Redistributions in binary form must reproduce the above copyright notice,
64 * this list of conditions and the following disclaimer in the documentation
65 * and/or other materials provided with the distribution.
66 *
67 * 3. The name "DOM4J" must not be used to endorse or promote products derived
68 * from this Software without prior written permission of MetaStuff, Ltd. For
69 * written permission, please contact dom4j-info@metastuff.com.
70 *
71 * 4. Products derived from this Software may not be called "DOM4J" nor may
72 * "DOM4J" appear in their names without prior written permission of MetaStuff,
73 * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
74 *
75 * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
76 *
77 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
78 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
79 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
80 * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
81 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
82 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
83 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
84 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
85 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
86 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
87 * POSSIBILITY OF SUCH DAMAGE.
88 *
89 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
90 */
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