1 /* 2 * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/QualifiedName.java,v 1.6 2005/06/19 19:48:13 elharo Exp $ 3 * $Revision: 1.6 $ 4 * $Date: 2005/06/19 19:48:13 $ 5 * 6 * ==================================================================== 7 * 8 * Copyright (C) 2000-2002 bob mcwhirter & James Strachan. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions, and the following disclaimer. 17 * 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions, and the disclaimer that follows 20 * these conditions in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * 3. The name "Jaxen" must not be used to endorse or promote products 24 * derived from this software without prior written permission. For 25 * written permission, please contact license@jaxen.org. 26 * 27 * 4. Products derived from this software may not be called "Jaxen", nor 28 * may "Jaxen" appear in their name, without prior written permission 29 * from the Jaxen Project Management (pm@jaxen.org). 30 * 31 * In addition, we request (but do not require) that you include in the 32 * end-user documentation provided with the redistribution and/or in the 33 * software itself an acknowledgement equivalent to the following: 34 * "This product includes software developed by the 35 * Jaxen Project (http://www.jaxen.org/)." 36 * Alternatively, the acknowledgment may be graphical using the logos 37 * available at http://www.jaxen.org/ 38 * 39 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 40 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 41 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 42 * DISCLAIMED. IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT 43 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 45 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 46 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 47 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 48 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 49 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * ==================================================================== 53 * This software consists of voluntary contributions made by many 54 * individuals on behalf of the Jaxen Project and was originally 55 * created by bob mcwhirter <bob@werken.com> and 56 * James Strachan <jstrachan@apache.org>. For more information on the 57 * Jaxen Project, please see <http://www.jaxen.org/>. 58 * 59 * $Id: QualifiedName.java,v 1.6 2005/06/19 19:48:13 elharo Exp $ 60 */ 61 62 package org.jaxen; 63 64 /*** A local name (that matches the XML NCName production) and a namespace URI 65 * with which the local name is qualified. 66 * 67 * @author Erwin Bolwidt ( ejb @ klomp.org ) 68 */ 69 class QualifiedName 70 { 71 private String namespaceURI; 72 private String localName; 73 74 /*** Constructs a QualifiedName object. 75 * 76 * @param namespaceURI namespace URI that qualifies the name, or 77 * <code>null</code> for default namespace 78 * @param localName local name that is qualified by the namespace uri; 79 * must not be <code>null</code> 80 */ 81 QualifiedName( String namespaceURI, String localName ) 82 { 83 this.namespaceURI = namespaceURI; 84 this.localName = localName; 85 } 86 87 public int hashCode() 88 { 89 return ( localName.hashCode() ^ 90 ( namespaceURI == null ? 0 : namespaceURI.hashCode() ) ); 91 } 92 93 public boolean equals( Object o ) 94 { 95 // Because this class is package protected and used in only 96 // two other classes, it's never actually compared to anything 97 // other than another QualifiedName. No instanceof test is 98 // necessary here. 99 QualifiedName other = (QualifiedName) o; 100 101 if ( namespaceURI == null ) { 102 return ( other.namespaceURI == null && 103 other.localName.equals(localName) ); 104 } 105 else { 106 return ( namespaceURI.equals(other.namespaceURI) && 107 other.localName.equals(localName) ); 108 } 109 } 110 111 } 112