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1   /*
2    * Copyright 2001-2004 (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    * $Id: DefaultPattern.java,v 1.4 2004/06/25 08:03:39 maartenc Exp $
8    */
9   
10  package org.dom4j.rule.pattern;
11  
12  import org.dom4j.Node;
13  import org.dom4j.NodeFilter;
14  import org.dom4j.rule.Pattern;
15  
16  
17  /*** <p><code>DefaultPattern</code> a default implementation of Pattern
18    * which can take any XPath implementation or NodeFilter for defining the pattern.
19    * <b>WARNING</b> this implementation causes a worst case, brute force XSLT 
20    * rule evaluation to be performed. 
21    * Wherever possible the methods 
22    *  {@link #getPriority}, 
23    *  {@link #getMatchType} and
24    *  {@link #getMatchesNodeName}
25    * should be overloaded to allow more rule filtering to occur.</p>
26    *
27    * @author <a href="mailto:james.strachan@metastuff.com">James Strachan</a>
28    * @version $Revision: 1.4 $
29    */
30  public class DefaultPattern implements Pattern {
31      
32      private NodeFilter filter;
33  
34      
35      public DefaultPattern(NodeFilter filter) {
36          this.filter = filter;
37      }
38  
39      public boolean matches( Node node ) {
40          return filter.matches( node );
41      }
42      
43      public double getPriority()  {
44          return Pattern.DEFAULT_PRIORITY;
45      }
46      
47      public Pattern[] getUnionPatterns() {
48          return null;
49      }
50  
51      public short getMatchType() {
52          return ANY_NODE;
53      }
54  
55      public String getMatchesNodeName() {
56          return null;
57      }
58  
59  }
60  
61  
62  
63  
64  /*
65   * Redistribution and use of this software and associated documentation
66   * ("Software"), with or without modification, are permitted provided
67   * that the following conditions are met:
68   *
69   * 1. Redistributions of source code must retain copyright
70   *    statements and notices.  Redistributions must also contain a
71   *    copy of this document.
72   *
73   * 2. Redistributions in binary form must reproduce the
74   *    above copyright notice, this list of conditions and the
75   *    following disclaimer in the documentation and/or other
76   *    materials provided with the distribution.
77   *
78   * 3. The name "DOM4J" must not be used to endorse or promote
79   *    products derived from this Software without prior written
80   *    permission of MetaStuff, Ltd.  For written permission,
81   *    please contact dom4j-info@metastuff.com.
82   *
83   * 4. Products derived from this Software may not be called "DOM4J"
84   *    nor may "DOM4J" appear in their names without prior written
85   *    permission of MetaStuff, Ltd. DOM4J is a registered
86   *    trademark of MetaStuff, Ltd.
87   *
88   * 5. Due credit should be given to the DOM4J Project - 
89   *    http://www.dom4j.org
90   *
91   * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS
92   * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
93   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
94   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
95   * METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
96   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
97   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
98   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102  * OF THE POSSIBILITY OF SUCH DAMAGE.
103  *
104  * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
105  *
106  * $Id: DefaultPattern.java,v 1.4 2004/06/25 08:03:39 maartenc Exp $
107  */