1 /* NameTest.java -- 2 Copyright (C) 2004,2006 Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath. 5 6 GNU Classpath is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU Classpath is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU Classpath; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA. 20 21 Linking this library statically or dynamically with other modules is 22 making a combined work based on this library. Thus, the terms and 23 conditions of the GNU General Public License cover the whole 24 combination. 25 26 As a special exception, the copyright holders of this library give you 27 permission to link this library with independent modules to produce an 28 executable, regardless of the license terms of these independent 29 modules, and to copy and distribute the resulting executable under 30 terms of your choice, provided that you also meet, for each linked 31 independent module, the terms and conditions of the license of that 32 module. An independent module is a module which is not derived from 33 or based on this library. If you modify this library, you may extend 34 this exception to your version of the library, but you are not 35 obligated to do so. If you do not wish to do so, delete this 36 exception statement from your version. */ 37 38 package gnu.xml.xpath; 39 40 import javax.xml.XMLConstants; 41 import javax.xml.namespace.QName; 42 import org.w3c.dom.Node; 43 44 /** 45 * Tests whether a node has the specified name. 46 * 47 * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> 48 */ 49 public final class NameTest 50 extends Test 51 { 52 53 final QName qName; 54 final boolean anyLocalName; 55 final boolean any; 56 NameTest(QName qName, boolean anyLocalName, boolean any)57 public NameTest(QName qName, boolean anyLocalName, boolean any) 58 { 59 this.anyLocalName = anyLocalName; 60 this.any = any; 61 this.qName = qName; 62 } 63 matchesAny()64 public boolean matchesAny() 65 { 66 return any; 67 } 68 matchesAnyLocalName()69 public boolean matchesAnyLocalName() 70 { 71 return anyLocalName; 72 } 73 matches(Node node, int pos, int len)74 public boolean matches(Node node, int pos, int len) 75 { 76 switch (node.getNodeType()) 77 { 78 case Node.ATTRIBUTE_NODE: 79 // Do not match namespace attributes 80 String uri = node.getNamespaceURI(); 81 if (XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(uri) || 82 XMLConstants.XMLNS_ATTRIBUTE.equals(node.getPrefix()) || 83 XMLConstants.XMLNS_ATTRIBUTE.equals(node.getNodeName())) 84 { 85 return false; 86 } 87 // Fall through 88 case Node.ELEMENT_NODE: 89 break; 90 default: 91 return false; 92 } 93 if (any) 94 return true; 95 String uri = qName.getNamespaceURI(); 96 String nodeUri = node.getNamespaceURI(); 97 if (!equal(uri, nodeUri)) 98 return false; 99 if (anyLocalName) 100 return true; 101 String localName = qName.getLocalPart(); 102 String nodeLocalName = getLocalName(node); 103 return (localName.equals(nodeLocalName)); 104 } 105 getLocalName(Node node)106 static String getLocalName(Node node) 107 { 108 String localName = node.getLocalName(); 109 if (localName == null) 110 { 111 localName = node.getNodeName(); 112 int ci = localName.indexOf(':'); 113 if (ci != -1) 114 localName = localName.substring(ci + 1); 115 } 116 return localName; 117 } 118 equal(String s1, String s2)119 static boolean equal(String s1, String s2) 120 { 121 return (((s1 == null || s1.length() == 0) && 122 (s2 == null || s2.length() == 0)) || 123 s1 != null && s1.equals(s2)); 124 } 125 clone(Object context)126 public Test clone(Object context) 127 { 128 return new NameTest(qName, anyLocalName, any); 129 } 130 references(QName var)131 public boolean references(QName var) 132 { 133 return false; 134 } 135 toString()136 public String toString () 137 { 138 if (any) 139 return "*"; 140 return qName.toString(); 141 } 142 143 } 144