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Java > Open Source Codes > org > apache > activemq > broker > UserIDBroker


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.broker;
19
20 import org.apache.activemq.command.Message;
21
22 /**
23  * This broker filter will append the producer's user ID into the JMSXUserID header
24  * to allow folks to know reliably who the user was who produced a message.
25  * Note that you cannot trust the client, especially if working over the internet
26  * as they can spoof headers to be anything they like.
27  *
28  * @version $Revision: 1.8 $
29  */
30 public class UserIDBroker extends BrokerFilter {
31     
32     public UserIDBroker(Broker next) {
33         super(next);
34     }
35
36     public void send(ProducerBrokerExchange producerExchange, Message messageSend) throws Exception JavaDoc {
37         final ConnectionContext context = producerExchange.getConnectionContext();
38         String JavaDoc userID = context.getUserName();
39         messageSend.setUserID(userID);
40         super.send(producerExchange, messageSend);
41     }
42 }
43
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