Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DefaultAbsoluteLocationPath |
|
| 1.8;1.8 |
1 | /* | |
2 | * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultAbsoluteLocationPath.java,v 1.18 2006/11/30 18:49:27 elharo Exp $ | |
3 | * $Revision: 1.18 $ | |
4 | * $Date: 2006/11/30 18:49:27 $ | |
5 | * | |
6 | * ==================================================================== | |
7 | * | |
8 | * Copyright 2000-2002 bob mcwhirter & James Strachan. | |
9 | * All rights reserved. | |
10 | * | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or without | |
13 | * modification, are permitted provided that the following conditions are | |
14 | * met: | |
15 | * | |
16 | * * Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * | |
19 | * * Redistributions in binary form must reproduce the above copyright | |
20 | * notice, this list of conditions and the following disclaimer in the | |
21 | * documentation and/or other materials provided with the distribution. | |
22 | * | |
23 | * * Neither the name of the Jaxen Project nor the names of its | |
24 | * contributors may be used to endorse or promote products derived | |
25 | * from this software without specific prior written permission. | |
26 | * | |
27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS | |
28 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
29 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
30 | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | |
31 | * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
32 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
33 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
34 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
35 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
36 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
37 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
38 | * | |
39 | * ==================================================================== | |
40 | * This software consists of voluntary contributions made by many | |
41 | * individuals on behalf of the Jaxen Project and was originally | |
42 | * created by bob mcwhirter <bob@werken.com> and | |
43 | * James Strachan <jstrachan@apache.org>. For more information on the | |
44 | * Jaxen Project, please see <http://www.jaxen.org/>. | |
45 | * | |
46 | * $Id: DefaultAbsoluteLocationPath.java,v 1.18 2006/11/30 18:49:27 elharo Exp $ | |
47 | */ | |
48 | package org.jaxen.expr; | |
49 | ||
50 | import java.util.Collections; | |
51 | import java.util.List; | |
52 | ||
53 | import org.jaxen.Context; | |
54 | import org.jaxen.ContextSupport; | |
55 | import org.jaxen.JaxenException; | |
56 | import org.jaxen.Navigator; | |
57 | import org.jaxen.util.SingletonList; | |
58 | ||
59 | /** | |
60 | * @deprecated this class will become non-public in the future; | |
61 | * use the interface instead | |
62 | */ | |
63 | public class DefaultAbsoluteLocationPath extends DefaultLocationPath | |
64 | { | |
65 | /** | |
66 | * | |
67 | */ | |
68 | private static final long serialVersionUID = 2174836928310146874L; | |
69 | ||
70 | public DefaultAbsoluteLocationPath() | |
71 | 3152 | { |
72 | 3152 | } |
73 | ||
74 | public String toString() | |
75 | { | |
76 | 2 | return "[(DefaultAbsoluteLocationPath): " + super.toString() + "]"; |
77 | } | |
78 | ||
79 | public boolean isAbsolute() | |
80 | { | |
81 | 2168 | return true; |
82 | } | |
83 | ||
84 | public String getText() | |
85 | { | |
86 | 1096 | return "/" + super.getText(); |
87 | } | |
88 | ||
89 | public Object evaluate(Context context) throws JaxenException | |
90 | { | |
91 | 2316 | ContextSupport support = context.getContextSupport(); |
92 | 2316 | Navigator nav = support.getNavigator(); |
93 | 2316 | Context absContext = new Context( support ); |
94 | 2316 | List contextNodes = context.getNodeSet(); |
95 | ||
96 | 2316 | if ( contextNodes.isEmpty() ) |
97 | { | |
98 | 2 | return Collections.EMPTY_LIST; |
99 | } | |
100 | ||
101 | 2314 | Object firstNode = contextNodes.get( 0 ); |
102 | 2314 | Object docNode = nav.getDocumentNode( firstNode ); |
103 | ||
104 | 2314 | if ( docNode == null ) |
105 | { | |
106 | 0 | return Collections.EMPTY_LIST; |
107 | } | |
108 | ||
109 | 2314 | List list = new SingletonList(docNode); |
110 | ||
111 | 2314 | absContext.setNodeSet( list ); |
112 | ||
113 | 2314 | return super.evaluate( absContext ); |
114 | } | |
115 | ||
116 | } | |
117 |