1 /* 2 * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultProcessingInstructionNodeStep.java,v 1.18 2007/01/06 12:21:12 elharo Exp $ 3 * $Revision: 1.18 $ 4 * $Date: 2007/01/06 12:21:12 $ 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: DefaultProcessingInstructionNodeStep.java,v 1.18 2007/01/06 12:21:12 elharo Exp $ 46 */ 47 48 49 50 package org.jaxen.expr; 51 52 import org.jaxen.ContextSupport; 53 import org.jaxen.Navigator; 54 import org.jaxen.expr.iter.IterableAxis; 55 56 /*** 57 * @deprecated this class will become non-public in the future; 58 * use the interface instead 59 */ 60 public class DefaultProcessingInstructionNodeStep extends DefaultStep 61 implements ProcessingInstructionNodeStep 62 { 63 /*** 64 * 65 */ 66 private static final long serialVersionUID = -4825000697808126927L; 67 private String name; 68 69 public DefaultProcessingInstructionNodeStep(IterableAxis axis, 70 String name, 71 PredicateSet predicateSet) 72 { 73 super( axis, predicateSet ); 74 75 this.name = name; 76 } 77 78 public String getName() 79 { 80 return this.name; 81 } 82 83 public String getText() 84 { 85 StringBuffer buf = new StringBuffer(); 86 buf.append(getAxisName()); 87 buf.append("::processing-instruction("); 88 String name = getName(); 89 if (name != null && name.length() != 0) 90 { 91 buf.append("'"); 92 buf.append(name); 93 buf.append("'"); 94 } 95 buf.append(")"); 96 buf.append(super.getText()); 97 return buf.toString(); 98 } 99 100 public boolean matches(Object node, 101 ContextSupport support) 102 { 103 104 Navigator nav = support.getNavigator(); 105 if ( nav.isProcessingInstruction( node ) ) 106 { 107 String name = getName(); 108 if ( name == null || name.length() == 0 ) 109 { 110 return true; 111 } 112 else 113 { 114 return name.equals( nav.getProcessingInstructionTarget( node ) ); 115 } 116 } 117 118 return false; 119 120 } 121 122 }