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Java > Open Source Codes > org > apache > activemq > filter > PrefixDestinationFilter


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