1 /*
2 * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/pattern/AnyChildNodeTest.java,v 1.6 2006/02/05 21:47:42 elharo Exp $
3 * $Revision: 1.6 $
4 * $Date: 2006/02/05 21:47:42 $
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: AnyChildNodeTest.java,v 1.6 2006/02/05 21:47:42 elharo Exp $
46 */
47
48 package org.jaxen.pattern;
49
50 import org.jaxen.Context;
51
52 /*** <p><code>AnyChildNodeTest</code> matches any child node.</p>
53 *
54 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
55 * @version $Revision: 1.6 $
56 */
57 public class AnyChildNodeTest extends NodeTest {
58
59 private static AnyChildNodeTest instance = new AnyChildNodeTest();
60
61 public static AnyChildNodeTest getInstance()
62 {
63 return instance;
64 }
65
66 public AnyChildNodeTest()
67 {
68 }
69
70 /*** @return true if the pattern matches the given node
71 */
72 public boolean matches( Object node, Context context )
73 {
74 short type = context.getNavigator().getNodeType( node );
75 return type == ELEMENT_NODE || type == TEXT_NODE
76 || type == COMMENT_NODE || type == PROCESSING_INSTRUCTION_NODE;
77 }
78
79 public double getPriority()
80 {
81 return -0.5;
82 }
83
84 public short getMatchType()
85 {
86 return ANY_NODE;
87 }
88
89 public String getText()
90 {
91 return "*";
92 }
93
94 }