Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DefaultVariableReferenceExpr |
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| 1.2857142857142858;1.286 |
1 | /* | |
2 | * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultVariableReferenceExpr.java,v 1.16 2006/11/30 18:49:26 elharo Exp $ | |
3 | * $Revision: 1.16 $ | |
4 | * $Date: 2006/11/30 18:49:26 $ | |
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: DefaultVariableReferenceExpr.java,v 1.16 2006/11/30 18:49:26 elharo Exp $ | |
46 | */ | |
47 | ||
48 | package org.jaxen.expr; | |
49 | ||
50 | import org.jaxen.Context; | |
51 | import org.jaxen.UnresolvableException; | |
52 | ||
53 | class DefaultVariableReferenceExpr extends DefaultExpr implements VariableReferenceExpr | |
54 | { | |
55 | /** | |
56 | * | |
57 | */ | |
58 | private static final long serialVersionUID = 8832095437149358674L; | |
59 | private String prefix; | |
60 | private String localName; | |
61 | ||
62 | DefaultVariableReferenceExpr(String prefix, | |
63 | String variableName) | |
64 | 78 | { |
65 | 78 | this.prefix = prefix; |
66 | 78 | this.localName = variableName; |
67 | 78 | } |
68 | ||
69 | public String getPrefix() | |
70 | { | |
71 | 76 | return this.prefix; |
72 | } | |
73 | ||
74 | public String getVariableName() | |
75 | { | |
76 | 48 | return this.localName; |
77 | } | |
78 | ||
79 | public String toString() | |
80 | { | |
81 | 2 | return "[(DefaultVariableReferenceExpr): " + getQName() + "]"; |
82 | } | |
83 | ||
84 | private String getQName() { | |
85 | 36 | if ( "".equals(prefix) ) |
86 | { | |
87 | 36 | return localName; |
88 | } | |
89 | 0 | return prefix + ":" + localName; |
90 | } | |
91 | ||
92 | public String getText() | |
93 | { | |
94 | 34 | return "$" + getQName(); |
95 | } | |
96 | ||
97 | public Object evaluate(Context context) | |
98 | throws UnresolvableException | |
99 | { | |
100 | 28 | String namespaceURI = |
101 | context.translateNamespacePrefixToUri( getPrefix() ); | |
102 | ||
103 | 28 | return context.getVariableValue( namespaceURI, |
104 | prefix, | |
105 | localName ); | |
106 | } | |
107 | ||
108 | } |