Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
UnionPattern |
|
| 1.3571428571428572;1.357 |
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.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 $Revision$ | |
57 | * @deprecated will be removed in Jaxen 2.0 | |
58 | */ | |
59 | public class UnionPattern extends Pattern { | |
60 | ||
61 | private Pattern lhs; | |
62 | private Pattern rhs; | |
63 | 6 | private short nodeType = ANY_NODE; |
64 | 6 | private String matchesNodeName = null; |
65 | ||
66 | ||
67 | public UnionPattern() | |
68 | 0 | { |
69 | 0 | } |
70 | ||
71 | public UnionPattern(Pattern lhs, Pattern rhs) | |
72 | 6 | { |
73 | 6 | this.lhs = lhs; |
74 | 6 | this.rhs = rhs; |
75 | 6 | init(); |
76 | 6 | } |
77 | ||
78 | ||
79 | public Pattern getLHS() | |
80 | { | |
81 | 0 | return lhs; |
82 | } | |
83 | ||
84 | public void setLHS(Pattern lhs) | |
85 | { | |
86 | 0 | this.lhs = lhs; |
87 | 0 | init(); |
88 | 0 | } |
89 | ||
90 | public Pattern getRHS() | |
91 | { | |
92 | 0 | return rhs; |
93 | } | |
94 | ||
95 | public void setRHS(Pattern rhs) | |
96 | { | |
97 | 0 | this.rhs = rhs; |
98 | 0 | init(); |
99 | 0 | } |
100 | ||
101 | ||
102 | // Pattern interface | |
103 | //------------------------------------------------------------------------- | |
104 | ||
105 | /** @return true if the pattern matches the given node | |
106 | */ | |
107 | public boolean matches( Object node, Context context ) throws JaxenException | |
108 | { | |
109 | 0 | return lhs.matches( node, context ) || rhs.matches( node, context ); |
110 | } | |
111 | ||
112 | public Pattern[] getUnionPatterns() | |
113 | { | |
114 | 0 | return new Pattern[] { lhs, rhs }; |
115 | } | |
116 | ||
117 | ||
118 | public short getMatchType() | |
119 | { | |
120 | 4 | return nodeType; |
121 | } | |
122 | ||
123 | ||
124 | public String getMatchesNodeName() | |
125 | { | |
126 | 4 | return matchesNodeName; |
127 | } | |
128 | ||
129 | ||
130 | public Pattern simplify() | |
131 | { | |
132 | 6 | this.lhs = lhs.simplify(); |
133 | 6 | this.rhs = rhs.simplify(); |
134 | 6 | init(); |
135 | 6 | return this; |
136 | } | |
137 | ||
138 | public String getText() | |
139 | { | |
140 | 0 | return lhs.getText() + " | " + rhs.getText(); |
141 | } | |
142 | ||
143 | public String toString() | |
144 | { | |
145 | 0 | return super.toString() + "[ lhs: " + lhs + " rhs: " + rhs + " ]"; |
146 | } | |
147 | ||
148 | // Implementation methods | |
149 | //------------------------------------------------------------------------- | |
150 | private void init() | |
151 | { | |
152 | 12 | short type1 = lhs.getMatchType(); |
153 | 12 | short type2 = rhs.getMatchType(); |
154 | 12 | this.nodeType = ( type1 == type2 ) ? type1 : ANY_NODE; |
155 | ||
156 | 12 | String name1 = lhs.getMatchesNodeName(); |
157 | 12 | String name2 = rhs.getMatchesNodeName(); |
158 | ||
159 | 12 | this.matchesNodeName = null; |
160 | 12 | if ( name1 != null && name2 != null && name1.equals( name2 ) ) |
161 | { | |
162 | 0 | this.matchesNodeName = name1; |
163 | } | |
164 | 12 | } |
165 | } |