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1   /*** 
2    * 
3    * Copyright 2004 Protique Ltd
4    * 
5    * Licensed under the Apache License, Version 2.0 (the "License"); 
6    * you may not use this file except in compliance with the License. 
7    * You may obtain a copy of the License at 
8    * 
9    * http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS, 
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
14   * See the License for the specific language governing permissions and 
15   * limitations under the License. 
16   * 
17   **/
18  
19  package org.codehaus.activemq.filter;
20  
21  import javax.jms.Destination;
22  
23  
24  /***
25   * Matches messages which contain wildcards like "A.B.*.*"
26   *
27   * @version $Revision: 1.2 $
28   */
29  public class WildcardDestinationFilter extends DestinationFilter {
30  
31      private String[] prefixes;
32  
33      /***
34       * An array of paths containing * characters
35       *
36       * @param prefixes
37       */
38      public WildcardDestinationFilter(String[] prefixes) {
39          this.prefixes = new String[prefixes.length];
40          for (int i = 0; i < prefixes.length; i++) {
41              String prefix = prefixes[i];
42              if (!prefix.equals("*")) {
43                  this.prefixes[i] = prefix;
44              }
45          }
46      }
47  
48      public boolean matches(Destination destination) {
49          String[] path = DestinationPath.getDestinationPaths(destination);
50          int length = prefixes.length;
51          if (path.length == length) {
52              for (int i = 0, size = length; i < size; i++) {
53                  String prefix = prefixes[i];
54                  if (prefix != null && !prefix.equals(path[i])) {
55                      return false;
56                  }
57              }
58              return true;
59          }
60          return false;
61      }
62  
63  
64      public String getText() {
65          return DestinationPath.toString(prefixes);
66      }
67  
68      public String toString() {
69          return super.toString() + "[destination: " + getText() + "]";
70      }
71  
72      public boolean isWildcard() {
73          return true;
74      }
75  }