| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| UnionPattern |
|
| 1.0714285714285714;1.071 |
| 1 | /* | |
| 2 | * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/pattern/UnionPattern.java,v 1.8 2006/02/05 21:47:42 elharo Exp $ | |
| 3 | * $Revision: 1.8 $ | |
| 4 | * $Date: 2006/02/05 21:47:42 $ | |
| 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: UnionPattern.java,v 1.8 2006/02/05 21:47:42 elharo Exp $ | |
| 46 | */ | |
| 47 | ||
| 48 | package org.jaxen.pattern; | |
| 49 | ||
| 50 | import org.jaxen.Context; | |
| 51 | import org.jaxen.JaxenException; | |
| 52 | ||
| 53 | /** <p><code>UnionPattern</code> represents a union pattern.</p> | |
| 54 | * | |
| 55 | * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> | |
| 56 | * @version $Revision: 1.8 $ | |
| 57 | */ | |
| 58 | public class UnionPattern extends Pattern { | |
| 59 | ||
| 60 | private Pattern lhs; | |
| 61 | private Pattern rhs; | |
| 62 | 6 | private short nodeType = ANY_NODE; |
| 63 | 6 | private String matchesNodeName = null; |
| 64 | ||
| 65 | ||
| 66 | public UnionPattern() | |
| 67 | 0 | { |
| 68 | 0 | } |
| 69 | ||
| 70 | public UnionPattern(Pattern lhs, Pattern rhs) | |
| 71 | 6 | { |
| 72 | 6 | this.lhs = lhs; |
| 73 | 6 | this.rhs = rhs; |
| 74 | 6 | init(); |
| 75 | 6 | } |
| 76 | ||
| 77 | ||
| 78 | public Pattern getLHS() | |
| 79 | { | |
| 80 | 0 | return lhs; |
| 81 | } | |
| 82 | ||
| 83 | public void setLHS(Pattern lhs) | |
| 84 | { | |
| 85 | 0 | this.lhs = lhs; |
| 86 | 0 | init(); |
| 87 | 0 | } |
| 88 | ||
| 89 | public Pattern getRHS() | |
| 90 | { | |
| 91 | 0 | return rhs; |
| 92 | } | |
| 93 | ||
| 94 | public void setRHS(Pattern rhs) | |
| 95 | { | |
| 96 | 0 | this.rhs = rhs; |
| 97 | 0 | init(); |
| 98 | 0 | } |
| 99 | ||
| 100 | ||
| 101 | // Pattern interface | |
| 102 | //------------------------------------------------------------------------- | |
| 103 | ||
| 104 | /** @return true if the pattern matches the given node | |
| 105 | */ | |
| 106 | public boolean matches( Object node, Context context ) throws JaxenException | |
| 107 | { | |
| 108 | 0 | return lhs.matches( node, context ) || rhs.matches( node, context ); |
| 109 | } | |
| 110 | ||
| 111 | public Pattern[] getUnionPatterns() | |
| 112 | { | |
| 113 | 0 | return new Pattern[] { lhs, rhs }; |
| 114 | } | |
| 115 | ||
| 116 | ||
| 117 | public short getMatchType() | |
| 118 | { | |
| 119 | 4 | return nodeType; |
| 120 | } | |
| 121 | ||
| 122 | ||
| 123 | public String getMatchesNodeName() | |
| 124 | { | |
| 125 | 4 | return matchesNodeName; |
| 126 | } | |
| 127 | ||
| 128 | ||
| 129 | public Pattern simplify() | |
| 130 | { | |
| 131 | 6 | this.lhs = lhs.simplify(); |
| 132 | 6 | this.rhs = rhs.simplify(); |
| 133 | 6 | init(); |
| 134 | 6 | return this; |
| 135 | } | |
| 136 | ||
| 137 | public String getText() | |
| 138 | { | |
| 139 | 0 | return lhs.getText() + " | " + rhs.getText(); |
| 140 | } | |
| 141 | ||
| 142 | public String toString() | |
| 143 | { | |
| 144 | 0 | return super.toString() + "[ lhs: " + lhs + " rhs: " + rhs + " ]"; |
| 145 | } | |
| 146 | ||
| 147 | // Implementation methods | |
| 148 | //------------------------------------------------------------------------- | |
| 149 | private void init() | |
| 150 | { | |
| 151 | 12 | short type1 = lhs.getMatchType(); |
| 152 | 12 | short type2 = rhs.getMatchType(); |
| 153 | 12 | this.nodeType = ( type1 == type2 ) ? type1 : ANY_NODE; |
| 154 | ||
| 155 | 12 | String name1 = lhs.getMatchesNodeName(); |
| 156 | 12 | String name2 = rhs.getMatchesNodeName(); |
| 157 | ||
| 158 | 12 | this.matchesNodeName = null; |
| 159 | 12 | if ( name1 != null && name2 != null && name1.equals( name2 ) ) |
| 160 | { | |
| 161 | 0 | this.matchesNodeName = name1; |
| 162 | } | |
| 163 | 12 | } |
| 164 | } |