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: IndexedDocumentFactory.java,v 1.3 2001/07/03 14:42:43 jstrachan Exp $
008 */
009
010package org.dom4j.util;
011
012import java.util.Map;
013
014import org.dom4j.Attribute;
015import org.dom4j.Document;
016import org.dom4j.DocumentFactory;
017import org.dom4j.Element;
018import org.dom4j.Namespace;
019import org.dom4j.QName;
020
021/** <p><code>IndexedDocumentFactory</code> is a factory of XML objects which 
022  * create indexed Element implementations to allow quicker lookup via name
023  * of Element and Attributes though at the expense of more memory used
024  * to create the name indexes.</p>
025  *
026  * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
027  * @version $Revision: 1.3 $
028  */
029public class IndexedDocumentFactory extends DocumentFactory {
030    
031    /** The Singleton instance */
032    static transient IndexedDocumentFactory singleton = new IndexedDocumentFactory();
033    
034    
035    /** <p>Access to the singleton instance of this factory.</p>
036      *
037      * @return the default singleon instance
038      */
039    public static DocumentFactory getInstance() {
040        return singleton;
041    }
042    
043        
044    // DocumentFactory methods
045    //-------------------------------------------------------------------------
046    
047    public Element createElement(QName qname) {
048        return new IndexedElement(qname);
049    }
050
051    public Element createElement(QName qname, int attributeCount) {
052        return new IndexedElement(qname, attributeCount);
053    }
054}
055
056
057
058
059/*
060 * Redistribution and use of this software and associated documentation
061 * ("Software"), with or without modification, are permitted provided
062 * that the following conditions are met:
063 *
064 * 1. Redistributions of source code must retain copyright
065 *    statements and notices.  Redistributions must also contain a
066 *    copy of this document.
067 *
068 * 2. Redistributions in binary form must reproduce the
069 *    above copyright notice, this list of conditions and the
070 *    following disclaimer in the documentation and/or other
071 *    materials provided with the distribution.
072 *
073 * 3. The name "DOM4J" must not be used to endorse or promote
074 *    products derived from this Software without prior written
075 *    permission of MetaStuff, Ltd.  For written permission,
076 *    please contact dom4j-info@metastuff.com.
077 *
078 * 4. Products derived from this Software may not be called "DOM4J"
079 *    nor may "DOM4J" appear in their names without prior written
080 *    permission of MetaStuff, Ltd. DOM4J is a registered
081 *    trademark of MetaStuff, Ltd.
082 *
083 * 5. Due credit should be given to the DOM4J Project
084 *    (http://dom4j.org/).
085 *
086 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS
087 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
088 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
089 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
090 * METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
091 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
092 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
093 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
094 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
095 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
096 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
097 * OF THE POSSIBILITY OF SUCH DAMAGE.
098 *
099 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
100 *
101 * $Id: IndexedDocumentFactory.java,v 1.3 2001/07/03 14:42:43 jstrachan Exp $
102 */