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 org.codehaus.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: 1.3 $
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
58
59
60
61 String producerID = activeMQMessage.getProducerID();
62 if (producerID != null) {
63 if (producerID.equals(clientId)) {
64 return false;
65 }
66 }
67 if (clientId.equals(activeMQMessage.getJMSClientID())) {
68 return false;
69 }
70 }
71 return true;
72 }
73
74 public boolean isWildcard() {
75 return false;
76 }
77 }