PruningDispatchHandler xref

View Javadoc

    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   */