##### Coverage Report - org.jaxen.pattern.UnionPattern

Classes in this File | Line Coverage | Branch Coverage | Complexity
UnionPattern |
58% |
67% |
| 1.0714285714285714;1.071

1 |  |
     /*
2 |  |
      * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/pattern/UnionPattern.java,v 1.7 2005/06/28 13:44:44 elharo Exp $
3 |  |
      * $Revision: 1.7 $
4 |  |
      * $Date: 2005/06/28 13:44:44 $
5 |  |
      *
6 |  |
      * ====================================================================
7 |  |
      *
8 |  |
      * Copyright (C) 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
13 |  |
      * are met:
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      *
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      * 1. Redistributions of source code must retain the above copyright
16 |  |
      *    notice, this list of conditions, and the following disclaimer.
17 |  |
      *
18 |  |
      * 2. Redistributions in binary form must reproduce the above copyright
19 |  |
      *    notice, this list of conditions, and the disclaimer that follows
20 |  |
      *    these conditions in the documentation and/or other materials
21 |  |
      *    provided with the distribution.
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      *
23 |  |
      * 3. The name "Jaxen" must not be used to endorse or promote products
24 |  |
      *    derived from this software without prior written permission.  For
25 |  |
      *    written permission, please contact license@jaxen.org.
26 |  |
      *
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      * 4. Products derived from this software may not be called "Jaxen", nor
28 |  |
      *    may "Jaxen" appear in their name, without prior written permission
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      *    from the Jaxen Project Management (pm@jaxen.org).
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      *
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      * In addition, we request (but do not require) that you include in the
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      * end-user documentation provided with the redistribution and/or in the
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      * software itself an acknowledgement equivalent to the following:
34 |  |
      *     "This product includes software developed by the
35 |  |
      *      Jaxen Project <http://www.jaxen.org/>."
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      * Alternatively, the acknowledgment may be graphical using the logos
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      * available at http://www.jaxen.org/
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      *
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      * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
40 |  |
      * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
41 |  |
      * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
42 |  |
      * DISCLAIMED.  IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
43 |  |
      * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 |  |
      * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
45 |  |
      * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
46 |  |
      * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
47 |  |
      * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
48 |  |
      * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
49 |  |
      * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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      * SUCH DAMAGE.
51 |  |
      *
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      * ====================================================================
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      * This software consists of voluntary contributions made by many
54 |  |
      * individuals on behalf of the Jaxen Project and was originally
55 |  |
      * created by bob mcwhirter <bob@werken.com> and
56 |  |
      * James Strachan <jstrachan@apache.org>.  For more information on the
57 |  |
      * Jaxen Project, please see <http://www.jaxen.org/>.
58 |  |
      *
59 |  |
      * $Id: UnionPattern.java,v 1.7 2005/06/28 13:44:44 elharo Exp $
60 |  |
      */
61 |  |
62 |  |
     package org.jaxen.pattern;
63 |  |
64 |  |
     import org.jaxen.Context;
65 |  |
     import org.jaxen.JaxenException;
66 |  |
67 |  |
     /** <p><code>UnionPattern</code> represents a union pattern.</p>
68 |  |
       *
69 |  |
       * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
70 |  |
       * @version $Revision: 1.7 $
71 |  |
       */
72 |  |
     public class UnionPattern extends Pattern {
73 |  |
74 |  |
         private Pattern lhs;
75 |  |
         private Pattern rhs;
76 | 18 |
         private short nodeType = ANY_NODE;
77 | 18 |
         private String matchesNodeName = null;
78 |  |
79 |  |
80 |  |
         public UnionPattern()
81 | 0 |
         {
82 | 0 |
         }
83 |  |
84 |  |
         public UnionPattern(Pattern lhs, Pattern rhs)
85 | 18 |
         {
86 | 18 |
             this.lhs = lhs;
87 | 18 |
             this.rhs = rhs;
88 | 18 |
             init();
89 | 18 |
         }
90 |  |
91 |  |
92 |  |
         public Pattern getLHS()
93 |  |
         {
94 | 0 |
             return lhs;
95 |  |
         }
96 |  |
97 |  |
         public void setLHS(Pattern lhs)
98 |  |
         {
99 | 0 |
             this.lhs = lhs;
100 | 0 |
             init();
101 | 0 |
         }
102 |  |
103 |  |
         public Pattern getRHS()
104 |  |
         {
105 | 0 |
             return rhs;
106 |  |
         }
107 |  |
108 |  |
         public void setRHS(Pattern rhs)
109 |  |
         {
110 | 0 |
             this.rhs = rhs;
111 | 0 |
             init();
112 | 0 |
         }
113 |  |
114 |  |
115 |  |
         // Pattern interface
116 |  |
         //-------------------------------------------------------------------------
117 |  |
118 |  |
         /** @return true if the pattern matches the given node
119 |  |
           */
120 |  |
         public boolean matches( Object node, Context context ) throws JaxenException
121 |  |
         {
122 | 0 |
             return lhs.matches( node, context ) || rhs.matches( node, context );
123 |  |
         }
124 |  |
125 |  |
         public Pattern[] getUnionPatterns()
126 |  |
         {
127 | 0 |
             return new Pattern[] { lhs, rhs };
128 |  |
         }
129 |  |
130 |  |
131 |  |
         public short getMatchType()
132 |  |
         {
133 | 12 |
             return nodeType;
134 |  |
         }
135 |  |
136 |  |
137 |  |
         public String getMatchesNodeName()
138 |  |
         {
139 | 12 |
             return matchesNodeName;
140 |  |
         }
141 |  |
142 |  |
143 |  |
         public Pattern simplify()
144 |  |
         {
145 | 18 |
             this.lhs = lhs.simplify();
146 | 18 |
             this.rhs = rhs.simplify();
147 | 18 |
             init();
148 | 18 |
             return this;
149 |  |
         }
150 |  |
151 |  |
         public String getText()
152 |  |
         {
153 | 0 |
             return lhs.getText() + " | " + rhs.getText();
154 |  |
         }
155 |  |
156 |  |
         public String toString()
157 |  |
         {
158 | 0 |
             return super.toString() + "[ lhs: " + lhs + " rhs: " + rhs + " ]";
159 |  |
         }
160 |  |
161 |  |
         // Implementation methods
162 |  |
         //-------------------------------------------------------------------------
163 |  |
         private void init()
164 |  |
         {
165 | 36 |
             short type1 = lhs.getMatchType();
166 | 36 |
             short type2 = rhs.getMatchType();
167 | 36 |
             this.nodeType = ( type1 == type2 ) ? type1 : ANY_NODE;
168 |  |
169 | 36 |
             String name1 = lhs.getMatchesNodeName();
170 | 36 |
             String name2 = rhs.getMatchesNodeName();
171 |  |
172 | 36 |
             this.matchesNodeName = null;
173 | 36 |
             if ( name1 != null && name2 != null && name1.equals( name2 ) )
174 |  |
             {
175 | 0 |
                 this.matchesNodeName = name1;
176 |  |
             }
177 | 36 |
         }
178 |  |
     }