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; 19 20 import org.apache.commons.logging.Log; 21 import org.apache.commons.logging.LogFactory; 22 23 import javax.jms.JMSException; 24 import java.net.URI; 25 import java.util.ArrayList; 26 import java.util.Iterator; 27 import java.util.List; 28 29 /*** 30 * An abstract base class useful for implementation inheritence 31 * 32 * @version $Revision: 1.7 $ 33 */ 34 public abstract class TransportServerChannelSupport implements TransportServerChannel { 35 36 private static final Log log = LogFactory.getLog(TransportServerChannelSupport.class); 37 38 private String url; 39 private TransportChannelListener transportChannelListener; 40 private List channels = new ArrayList(); 41 42 public TransportServerChannelSupport(URI url) { 43 this(url.toString()); 44 } 45 46 public TransportServerChannelSupport(String url) { 47 this.url = url; 48 } 49 50 public void start() throws JMSException { 51 if (transportChannelListener == null) { 52 throw new JMSException("Must have a TransportChannelListener attached!"); 53 } 54 } 55 56 public synchronized void stop() throws JMSException { 57 for (Iterator iter = channels.iterator(); iter.hasNext();) { 58 TransportChannel channel = (TransportChannel) iter.next(); 59 channel.stop(); 60 } 61 } 62 63 public TransportChannelListener getTransportChannelListener() { 64 return transportChannelListener; 65 } 66 67 public void setTransportChannelListener(TransportChannelListener listener) { 68 this.transportChannelListener = listener; 69 } 70 71 public String getUrl() { 72 return url; 73 } 74 75 public void setUrl(String url) { 76 this.url = url; 77 } 78 79 protected synchronized void addClient(TransportChannel channel) { 80 if (transportChannelListener == null) { 81 log.warn("No listener attached, cannot add channel: " + channel); 82 } 83 else { 84 transportChannelListener.addClient(channel); 85 channel.setTransportChannelListener(transportChannelListener); 86 channels.add(channel); 87 } 88 } 89 }