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: 1.7 $ 32 */ 33 public class UdpTransportServerChannel extends TransportServerChannelSupport { 34 35 private static final Log log = LogFactory.getLog(UdpTransportServerChannel.class); 36 37 private SynchronizedBoolean started; 38 39 public UdpTransportServerChannel(URI bindAddr) { 40 super(bindAddr); 41 started = new SynchronizedBoolean(false); 42 } 43 44 /*** 45 * start listeneing for events 46 * 47 * @throws JMSException if an error occurs 48 */ 49 public void start() throws JMSException { 50 if (started.commit(false, true)) { 51 log.info("ServerChannel at: " + getUrl()); 52 } 53 } 54 55 /*** 56 * @return pretty print of this 57 */ 58 public String toString() { 59 return "UdpTransportServerChannel@" + getUrl(); 60 } 61 62 }