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Source code: org/activemq/filter/NoLocalFilter.java


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.activemq.filter;
20  
21  import org.activemq.message.ActiveMQMessage;
22  
23  import javax.jms.JMSException;
24  import javax.jms.Message;
25  
26  
27  /**
28   * Checks that messages are not filtered by NoLocal
29   *
30   * @version $Revision: 1.1.1.1 $
31   */
32  public class NoLocalFilter implements Filter {
33  
34      private String clientId;
35  
36      /**
37       * Construct a NoLocalFilter
38       *
39       * @param newClientId
40       */
41      public NoLocalFilter(String newClientId) {
42          this.clientId = newClientId;
43      }
44  
45      /**
46       * ensure messages are filtered if they have the same clientId
47       * as the filter
48       *
49       * @param message - the message to match
50       * @return true if the message has a different clientId to the filter
51       * @throws JMSException
52       */
53      public boolean matches(Message message) throws JMSException {
54          if (message != null && message instanceof ActiveMQMessage) {
55              ActiveMQMessage activeMQMessage = (ActiveMQMessage) message;
56  
57              if (clientId.equals(activeMQMessage.getJMSClientID())) {
58                  return false;
59              }
60          }
61          return true;
62      }
63  
64      public boolean isWildcard() {
65          return false;
66      }
67  }