Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
UnionPattern |
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| 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 | } |