001/*
002 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
003 * 
004 * This software is open source. 
005 * See the bottom of this file for the licence.
006 * 
007 * $Id: ElementNameIterator.java,v 1.4 2001/01/30 01:46:48 jstrachan Exp $
008 */
009
010package org.dom4j.tree;
011
012import java.util.Iterator;
013
014import org.dom4j.Element;
015import org.dom4j.Namespace;
016
017
018/** <p><code>ElementNameIterator</code> is a filtering {@link Iterator} which 
019  * filters out objects which do not implement the {@link Element} 
020  * interface and are not of the correct element name.</p>
021  *
022  * @author <a href="mailto:james.strachan@metastuff.com">James Strachan</a>
023  * @version $Revision: 1.4 $
024  */
025public class ElementNameIterator extends FilterIterator {
026    
027    private String name;
028        
029    public ElementNameIterator(Iterator proxy, String name) {
030        super(proxy);
031        this.name = name;
032    }
033
034    /** @return true if the given element implements the {@link Element} 
035      * interface
036      */
037    protected boolean matches(Object object) {
038        if (object instanceof Element) {
039            Element element = (Element) object;
040            return name.equals( element.getName() );
041        }
042        return false;
043    }
044}
045
046
047
048
049/*
050 * Redistribution and use of this software and associated documentation
051 * ("Software"), with or without modification, are permitted provided
052 * that the following conditions are met:
053 *
054 * 1. Redistributions of source code must retain copyright
055 *    statements and notices.  Redistributions must also contain a
056 *    copy of this document.
057 *
058 * 2. Redistributions in binary form must reproduce the
059 *    above copyright notice, this list of conditions and the
060 *    following disclaimer in the documentation and/or other
061 *    materials provided with the distribution.
062 *
063 * 3. The name "DOM4J" must not be used to endorse or promote
064 *    products derived from this Software without prior written
065 *    permission of MetaStuff, Ltd.  For written permission,
066 *    please contact dom4j-info@metastuff.com.
067 *
068 * 4. Products derived from this Software may not be called "DOM4J"
069 *    nor may "DOM4J" appear in their names without prior written
070 *    permission of MetaStuff, Ltd. DOM4J is a registered
071 *    trademark of MetaStuff, Ltd.
072 *
073 * 5. Due credit should be given to the DOM4J Project
074 *    (http://dom4j.org/).
075 *
076 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS
077 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
078 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
079 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
080 * METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
081 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
082 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
083 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
084 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
085 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
086 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
087 * OF THE POSSIBILITY OF SUCH DAMAGE.
088 *
089 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
090 *
091 * $Id: ElementNameIterator.java,v 1.4 2001/01/30 01:46:48 jstrachan Exp $
092 */