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Java > Open Source Codes > org > dom4j > rule > pattern > DefaultPattern


1 /*
2  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
3  *
4  * This software is open source.
5  * See the bottom of this file for the licence.
6  */
7
8 package org.dom4j.rule.pattern;
9
10 import org.dom4j.Node;
11 import org.dom4j.NodeFilter;
12 import org.dom4j.rule.Pattern;
13
14 /**
15  * <p>
16  * <code>DefaultPattern</code> a default implementation of Pattern which can
17  * take any XPath implementation or NodeFilter for defining the pattern.
18  * <b>WARNING </b> this implementation causes a worst case, brute force XSLT
19  * rule evaluation to be performed. Wherever possible the methods {@link
20  * #getPriority}, {@link #getMatchType}and {@link #getMatchesNodeName}should
21  * be overloaded to allow more rule filtering to occur.
22  * </p>
23  *
24  * @author <a HREF="mailto:james.strachan@metastuff.com">James Strachan </a>
25  * @version $Revision: 1.6 $
26  */
27 public class DefaultPattern implements Pattern {
28     private NodeFilter filter;
29
30     public DefaultPattern(NodeFilter filter) {
31         this.filter = filter;
32     }
33
34     public boolean matches(Node node) {
35         return filter.matches(node);
36     }
37
38     public double getPriority() {
39         return Pattern.DEFAULT_PRIORITY;
40     }
41
42     public Pattern[] getUnionPatterns() {
43         return null;
44     }
45
46     public short getMatchType() {
47         return ANY_NODE;
48     }
49
50     public String JavaDoc getMatchesNodeName() {
51         return null;
52     }
53 }
54
55 /*
56  * Redistribution and use of this software and associated documentation
57  * ("Software"), with or without modification, are permitted provided that the
58  * following conditions are met:
59  *
60  * 1. Redistributions of source code must retain copyright statements and
61  * notices. Redistributions must also contain a copy of this document.
62  *
63  * 2. Redistributions in binary form must reproduce the above copyright notice,
64  * this list of conditions and the following disclaimer in the documentation
65  * and/or other materials provided with the distribution.
66  *
67  * 3. The name "DOM4J" must not be used to endorse or promote products derived
68  * from this Software without prior written permission of MetaStuff, Ltd. For
69  * written permission, please contact dom4j-info@metastuff.com.
70  *
71  * 4. Products derived from this Software may not be called "DOM4J" nor may
72  * "DOM4J" appear in their names without prior written permission of MetaStuff,
73  * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
74  *
75  * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
76  *
77  * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
78  * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
79  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
80  * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
81  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
82  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
83  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
84  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
85  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
86  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
87  * POSSIBILITY OF SUCH DAMAGE.
88  *
89  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
90  */
91
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