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.util; 9 10 import org.dom4j.DocumentFactory; 11 import org.dom4j.Element; 12 import org.dom4j.QName; 13 14 /*** 15 * <p> 16 * <code>IndexedDocumentFactory</code> is a factory of XML objects which 17 * create indexed Element implementations to allow quicker lookup via name of 18 * Element and Attributes though at the expense of more memory used to create 19 * the name indexes. 20 * </p> 21 * 22 * @author <a href="mailto:jstrachan@apache.org">James Strachan </a> 23 * @version $Revision: 1.9 $ 24 */ 25 public class IndexedDocumentFactory extends DocumentFactory { 26 /*** The Singleton instance */ 27 protected static transient IndexedDocumentFactory singleton 28 = new IndexedDocumentFactory(); 29 30 /*** 31 * <p> 32 * Access to the singleton instance of this factory. 33 * </p> 34 * 35 * @return the default singleon instance 36 */ 37 public static DocumentFactory getInstance() { 38 return singleton; 39 } 40 41 // DocumentFactory methods 42 // ------------------------------------------------------------------------- 43 public Element createElement(QName qname) { 44 return new IndexedElement(qname); 45 } 46 47 public Element createElement(QName qname, int attributeCount) { 48 return new IndexedElement(qname, attributeCount); 49 } 50 } 51 52 /* 53 * Redistribution and use of this software and associated documentation 54 * ("Software"), with or without modification, are permitted provided that the 55 * following conditions are met: 56 * 57 * 1. Redistributions of source code must retain copyright statements and 58 * notices. Redistributions must also contain a copy of this document. 59 * 60 * 2. Redistributions in binary form must reproduce the above copyright notice, 61 * this list of conditions and the following disclaimer in the documentation 62 * and/or other materials provided with the distribution. 63 * 64 * 3. The name "DOM4J" must not be used to endorse or promote products derived 65 * from this Software without prior written permission of MetaStuff, Ltd. For 66 * written permission, please contact dom4j-info@metastuff.com. 67 * 68 * 4. Products derived from this Software may not be called "DOM4J" nor may 69 * "DOM4J" appear in their names without prior written permission of MetaStuff, 70 * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd. 71 * 72 * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org 73 * 74 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND 75 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 76 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 77 * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE 78 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 79 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 80 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 81 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 82 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 83 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 84 * POSSIBILITY OF SUCH DAMAGE. 85 * 86 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved. 87 */