1 /* 2 * $Header$ 3 * $Revision$ 4 * $Date$ 5 * 6 * ==================================================================== 7 * 8 * Copyright 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 are 13 * met: 14 * 15 * * Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 18 * * Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * * Neither the name of the Jaxen Project nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 27 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 29 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 30 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 31 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 32 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 33 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 34 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 35 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 36 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 37 * 38 * ==================================================================== 39 * This software consists of voluntary contributions made by many 40 * individuals on behalf of the Jaxen Project and was originally 41 * created by bob mcwhirter <bob@werken.com> and 42 * James Strachan <jstrachan@apache.org>. For more information on the 43 * Jaxen Project, please see <http://www.jaxen.org/>. 44 * 45 * $Id$ 46 */ 47 48 package org.jaxen.pattern; 49 50 import org.jaxen.Context; 51 import org.jaxen.Navigator; 52 53 /** <p><code>NamespaceTest</code> tests for a given namespace URI.</p> 54 * 55 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> 56 * @version $Revision$ 57 * @deprecated will be removed in Jaxen 2.0 58 */ 59 public class NamespaceTest extends NodeTest { 60 61 /** The prefix to match against */ 62 private String prefix; 63 64 /** The type of node to match - either attribute or element */ 65 private short nodeType; 66 67 public NamespaceTest(String prefix, short nodeType) 68 { 69 if ( prefix == null ) 70 { 71 prefix = ""; 72 } 73 this.prefix = prefix; 74 this.nodeType = nodeType; 75 } 76 77 /** @return true if the pattern matches the given node 78 */ 79 public boolean matches( Object node, Context context ) 80 { 81 Navigator navigator = context.getNavigator(); 82 String uri = getURI( node, context ); 83 84 if ( nodeType == Pattern.ELEMENT_NODE ) 85 { 86 return navigator.isElement( node ) 87 && uri.equals( navigator.getElementNamespaceUri( node ) ); 88 } 89 else if ( nodeType == Pattern.ATTRIBUTE_NODE ) 90 { 91 return navigator.isAttribute( node ) 92 && uri.equals( navigator.getAttributeNamespaceUri( node ) ); 93 } 94 return false; 95 } 96 97 public double getPriority() 98 { 99 return -0.25; 100 } 101 102 103 public short getMatchType() 104 { 105 return nodeType; 106 } 107 108 public String getText() 109 { 110 return prefix + ":"; 111 } 112 113 public String toString() 114 { 115 return super.toString() + "[ prefix: " + prefix + " type: " + nodeType + " ]"; 116 } 117 118 /** Returns the URI of the current prefix or "" if no URI can be found 119 */ 120 protected String getURI(Object node, Context context) 121 { 122 String uri = context.getNavigator().translateNamespacePrefixToUri( prefix, node ); 123 if ( uri == null ) 124 { 125 uri = context.getContextSupport().translateNamespacePrefixToUri( prefix ); 126 } 127 if ( uri == null ) 128 { 129 uri = ""; 130 } 131 return uri; 132 } 133 }