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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  package org.codehaus.activemq.transport.udp;
19  
20  import EDU.oswego.cs.dl.util.concurrent.SynchronizedBoolean;
21  import org.apache.commons.logging.Log;
22  import org.apache.commons.logging.LogFactory;
23  import org.codehaus.activemq.transport.TransportServerChannelSupport;
24  
25  import javax.jms.JMSException;
26  import java.net.URI;
27  
28  /***
29   * A UDP implementation of TransportServerChannel
30   *
31   * @version $Revision: 1.6 $
32   */
33  public class UdpTransportServerChannel extends TransportServerChannelSupport {
34  
35      private static final Log log = LogFactory.getLog(UdpTransportServerChannel.class);
36  
37      protected URI bindAddress;
38      private SynchronizedBoolean started;
39  
40      public UdpTransportServerChannel(URI bindAddr) {
41          started = new SynchronizedBoolean(false);
42          this.bindAddress = bindAddr;
43          log.info("ServerChannel at: " + bindAddress);
44      }
45  
46      /***
47       * start listeneing for events
48       *
49       * @throws JMSException if an error occurs
50       */
51      public void start() throws JMSException {
52          if (started.commit(false, true)) {
53          }
54      }
55  
56      /***
57       * @return pretty print of this
58       */
59      public String toString() {
60          return "UdpTransportServerChannel@" + bindAddress;
61      }
62  
63  }