1 /*
2 * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/pattern/AnyChildNodeTest.java,v 1.4 2002/05/20 08:34:10 jstrachan Exp $
3 * $Revision: 1.4 $
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: AnyChildNodeTest.java,v 1.4 2002/05/20 08:34:10 jstrachan Exp $
60 */
61
62 package org.jaxen.pattern;
63
64 import org.jaxen.Context;
65
66 /*** <p><code>AnyChildNodeTest</code> matches any child node.</p>
67 *
68 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
69 * @version $Revision: 1.4 $
70 */
71 public class AnyChildNodeTest extends NodeTest {
72
73 private static AnyChildNodeTest instance = new AnyChildNodeTest();
74
75 public static AnyChildNodeTest getInstance()
76 {
77 return instance;
78 }
79
80 public AnyChildNodeTest()
81 {
82 }
83
84 /*** @return true if the pattern matches the given node
85 */
86 public boolean matches( Object node, Context context )
87 {
88 short type = context.getNavigator().getNodeType( node );
89 return type == ELEMENT_NODE || type == TEXT_NODE
90 || type == COMMENT_NODE || type == PROCESSING_INSTRUCTION_NODE;
91 }
92
93 public double getPriority()
94 {
95 return -0.5;
96 }
97
98 public short getMatchType()
99 {
100 return ANY_NODE;
101 }
102
103 public String getText()
104 {
105 return "*";
106 }
107
108 }