View Javadoc

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: PruningDispatchHandler.java,v 1.1 2004/08/02 18:44:07 maartenc Exp $
8    */
9   
10  package org.dom4j.io;
11  
12  import org.dom4j.ElementPath;
13  
14  /***
15   * This extension on the {@link DispatchHandler} prunes the current {@link org.dom4j.Element}
16   * when there are no {@link ElementHandler) objects active the element.
17   * 
18   * @author Wonne keysers (Realsoftware)
19   */
20  
21  class PruningDispatchHandler extends DispatchHandler {
22  
23     public void onEnd(ElementPath elementPath) {
24        super.onEnd(elementPath);
25  
26        if (getActiveHandlerCount() == 0) {
27           elementPath.getCurrent().detach();
28        }
29     }
30  
31  }
32  
33  
34  
35  
36  /*
37   * Redistribution and use of this software and associated documentation
38   * ("Software"), with or without modification, are permitted provided
39   * that the following conditions are met:
40   *
41   * 1. Redistributions of source code must retain copyright
42   *    statements and notices.  Redistributions must also contain a
43   *    copy of this document.
44   *
45   * 2. Redistributions in binary form must reproduce the
46   *    above copyright notice, this list of conditions and the
47   *    following disclaimer in the documentation and/or other
48   *    materials provided with the distribution.
49   *
50   * 3. The name "DOM4J" must not be used to endorse or promote
51   *    products derived from this Software without prior written
52   *    permission of MetaStuff, Ltd.  For written permission,
53   *    please contact dom4j-info@metastuff.com.
54   *
55   * 4. Products derived from this Software may not be called "DOM4J"
56   *    nor may "DOM4J" appear in their names without prior written
57   *    permission of MetaStuff, Ltd. DOM4J is a registered
58   *    trademark of MetaStuff, Ltd.
59   *
60   * 5. Due credit should be given to the DOM4J Project - 
61   *    http://www.dom4j.org
62   *
63   * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS
64   * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
65   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
66   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
67   * METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
68   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
69   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
70   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
71   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
72   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
73   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
74   * OF THE POSSIBILITY OF SUCH DAMAGE.
75   *
76   * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
77   *
78   * $Id: PruningDispatchHandler.java,v 1.1 2004/08/02 18:44:07 maartenc Exp $
79   */