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: ElementQNameIterator.java,v 1.1 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.QName;
016
017
018/** <p><code>ElementQNameIterator</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 fully qualified element name.</p>
021  *
022  * @author <a href="mailto:james.strachan@metastuff.com">James Strachan</a>
023  * @version $Revision: 1.1 $
024  */
025public class ElementQNameIterator extends FilterIterator {
026    
027    private QName qName;
028    
029    public ElementQNameIterator( Iterator proxy, QName qName ) {
030        super(proxy);
031        this.qName = qName;
032    }
033
034
035    /** @return true if the given element implements the {@link Element} 
036      * interface and matches the given {@link QName}
037      */
038    protected boolean matches(Object object) {
039        if (object instanceof Element) {
040            Element element = (Element) object;
041            return qName.equals( element.getQName() );
042        }
043        return false;
044    }
045}
046
047
048
049
050/*
051 * Redistribution and use of this software and associated documentation
052 * ("Software"), with or without modification, are permitted provided
053 * that the following conditions are met:
054 *
055 * 1. Redistributions of source code must retain copyright
056 *    statements and notices.  Redistributions must also contain a
057 *    copy of this document.
058 *
059 * 2. Redistributions in binary form must reproduce the
060 *    above copyright notice, this list of conditions and the
061 *    following disclaimer in the documentation and/or other
062 *    materials provided with the distribution.
063 *
064 * 3. The name "DOM4J" must not be used to endorse or promote
065 *    products derived from this Software without prior written
066 *    permission of MetaStuff, Ltd.  For written permission,
067 *    please contact dom4j-info@metastuff.com.
068 *
069 * 4. Products derived from this Software may not be called "DOM4J"
070 *    nor may "DOM4J" appear in their names without prior written
071 *    permission of MetaStuff, Ltd. DOM4J is a registered
072 *    trademark of MetaStuff, Ltd.
073 *
074 * 5. Due credit should be given to the DOM4J Project
075 *    (http://dom4j.org/).
076 *
077 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS
078 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
079 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
080 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
081 * METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
082 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
083 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
084 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
085 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
086 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
087 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
088 * OF THE POSSIBILITY OF SUCH DAMAGE.
089 *
090 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
091 *
092 * $Id: ElementQNameIterator.java,v 1.1 2001/01/30 01:46:48 jstrachan Exp $
093 */