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Java > Open Source Codes > org > jaxen > pattern > NameTest


1 /*
2  * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/pattern/NameTest.java,v 1.5 2002/05/20 08:34:10 jstrachan Exp $
3  * $Revision: 1.5 $
4  * $Date: 2002/05/20 08:34:10 $
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:
14  *
15  * 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.
22  *
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  *
27  * 4. Products derived from this software may not be called "Jaxen", nor
28  * may "Jaxen" appear in their name, without prior written permission
29  * from the Jaxen Project Management (pm@jaxen.org).
30  *
31  * In addition, we request (but do not require) that you include in the
32  * end-user documentation provided with the redistribution and/or in the
33  * software itself an acknowledgement equivalent to the following:
34  * "This product includes software developed by the
35  * Jaxen Project (http://www.jaxen.org/)."
36  * Alternatively, the acknowledgment may be graphical using the logos
37  * available at http://www.jaxen.org/
38  *
39  * 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
50  * SUCH DAMAGE.
51  *
52  * ====================================================================
53  * 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: NameTest.java,v 1.5 2002/05/20 08:34:10 jstrachan Exp $
60  */

61
62 package org.jaxen.pattern;
63
64 import org.jaxen.Context;
65 import org.jaxen.Navigator;
66
67 /** <p><code>NameTest</code> tests for a node name.</p>
68   *
69   * @author <a HREF="mailto:jstrachan@apache.org">James Strachan</a>
70   * @version $Revision: 1.5 $
71   */

72 public class NameTest extends NodeTest {
73     
74     /** The name to match against */
75     private String JavaDoc name;
76     
77     /** The type of node to match - either attribute or element */
78     private short nodeType;
79     
80     public NameTest(String JavaDoc name, short nodeType)
81     {
82         this.name = name;
83         this.nodeType = nodeType;
84     }
85         
86     /** @return true if the pattern matches the given node
87       */

88     public boolean matches( Object JavaDoc node, Context context )
89     {
90         Navigator navigator = context.getNavigator();
91         if ( nodeType == Pattern.ELEMENT_NODE )
92         {
93             return navigator.isElement( node )
94                 && name.equals( navigator.getElementName( node ) );
95         }
96         else if ( nodeType == Pattern.ATTRIBUTE_NODE )
97         {
98             return navigator.isAttribute( node )
99                 && name.equals( navigator.getAttributeName( node ) );
100         }
101         else
102         {
103             if ( navigator.isElement( node ) )
104             {
105                 return name.equals( navigator.getElementName( node ) );
106             }
107             else
108             if ( navigator.isAttribute( node ) )
109             {
110                 return name.equals( navigator.getAttributeName( node ) );
111             }
112         }
113         return false;
114     }
115     
116     public double getPriority()
117     {
118         return 0.0;
119     }
120
121
122     public short getMatchType()
123     {
124         return nodeType;
125     }
126     
127     public String JavaDoc getText()
128     {
129         if ( nodeType == Pattern.ATTRIBUTE_NODE )
130         {
131             return "@" + name;
132         }
133         else
134         {
135             return name;
136         }
137     }
138     
139     public String JavaDoc toString()
140     {
141         return super.toString() + "[ name: " + name + " type: " + nodeType + " ]";
142     }
143 }
144
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