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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.io;
9   
10  import org.dom4j.ElementPath;
11  
12  /***
13   * This extension on the {@link DispatchHandler}prunes the current {@link
14   * org.dom4j.Element} when there are no {@link ElementHandler}objects active
15   * the element.
16   * 
17   * @author Wonne keysers (Realsoftware)
18   */
19  class PruningDispatchHandler extends DispatchHandler {
20      public void onEnd(ElementPath elementPath) {
21          super.onEnd(elementPath);
22  
23          if (getActiveHandlerCount() == 0) {
24              elementPath.getCurrent().detach();
25          }
26      }
27  }
28  
29  /*
30   * Redistribution and use of this software and associated documentation
31   * ("Software"), with or without modification, are permitted provided that the
32   * following conditions are met:
33   * 
34   * 1. Redistributions of source code must retain copyright statements and
35   * notices. Redistributions must also contain a copy of this document.
36   * 
37   * 2. Redistributions in binary form must reproduce the above copyright notice,
38   * this list of conditions and the following disclaimer in the documentation
39   * and/or other materials provided with the distribution.
40   * 
41   * 3. The name "DOM4J" must not be used to endorse or promote products derived
42   * from this Software without prior written permission of MetaStuff, Ltd. For
43   * written permission, please contact dom4j-info@metastuff.com.
44   * 
45   * 4. Products derived from this Software may not be called "DOM4J" nor may
46   * "DOM4J" appear in their names without prior written permission of MetaStuff,
47   * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
48   * 
49   * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
50   * 
51   * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
52   * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
53   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
54   * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
55   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
56   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
57   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
58   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
59   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
60   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
61   * POSSIBILITY OF SUCH DAMAGE.
62   * 
63   * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
64   */