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


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 package org.apache.activemq.filter;
19
20 import java.io.IOException JavaDoc;
21
22 import javax.jms.JMSException JavaDoc;
23
24 import org.apache.activemq.util.JMSExceptionSupport;
25
26 public class NoLocalExpression implements BooleanExpression {
27
28     private final String JavaDoc connectionId;
29
30     public NoLocalExpression(String JavaDoc connectionId) {
31         this.connectionId = connectionId;
32     }
33     
34     public boolean matches(MessageEvaluationContext message) throws JMSException JavaDoc {
35         try {
36             if( message.isDropped() )
37                 return false;
38             return !connectionId.equals(message.getMessage().getMessageId().getProducerId().getConnectionId());
39         } catch (IOException JavaDoc e) {
40             throw JMSExceptionSupport.create(e);
41         }
42     }
43
44     public Object JavaDoc evaluate(MessageEvaluationContext message) throws JMSException JavaDoc {
45         return matches(message) ? Boolean.TRUE : Boolean.FALSE;
46     }
47
48 }
49
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