001    /** 
002     * 
003     * Copyright 2004 Protique Ltd
004     * 
005     * Licensed under the Apache License, Version 2.0 (the "License"); 
006     * you may not use this file except in compliance with the License. 
007     * You may obtain a copy of the License at 
008     * 
009     * http://www.apache.org/licenses/LICENSE-2.0
010     * 
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS, 
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
014     * See the License for the specific language governing permissions and 
015     * limitations under the License. 
016     * 
017     **/
018    package org.activemq.transport.http;
019    
020    import EDU.oswego.cs.dl.util.concurrent.Channel;
021    import org.activemq.message.Packet;
022    import org.activemq.transport.TransportChannelSupport;
023    import org.activemq.util.JMSExceptionHelper;
024    
025    import javax.jms.JMSException;
026    
027    /**
028     * A server side HTTP based TransportChannel which processes incoming packets
029     * and adds outgoing packets onto a {@link Channel} so that they can be dispatched
030     * by the HTTP GET requests from the client.
031     *
032     * @version $Revision$
033     */
034    public class HttpServerTransportChannel extends TransportChannelSupport {
035        private Channel channel;
036    
037        public HttpServerTransportChannel(Channel channel) {
038            this.channel = channel;
039        }
040    
041        public Channel getChannel() {
042            return channel;
043        }
044    
045        public void start() throws JMSException {
046        }
047    
048        public void asyncSend(Packet packet) throws JMSException {
049            // lets queue up the request waiting for it to be requested
050            // using a HTTP GET
051            try {
052                channel.put(packet);
053            }
054            catch (InterruptedException e) {
055                throw JMSExceptionHelper.newJMSException("Failed to send: " + packet + ". Reason: " + e, e);
056            }
057        }
058    
059        public boolean isMulticast() {
060            return false;
061        }
062        
063        /**
064         * Can this wireformat process packets of this version
065         * @param version the version number to test
066         * @return true if can accept the version
067         */
068        public boolean canProcessWireFormatVersion(int version){
069            return true;
070        }
071        
072        /**
073         * @return the current version of this wire format
074         */
075        public int getCurrentWireFormatVersion(){
076            return 1;
077        }
078        
079            public void forceDisconnect() {
080                // TODO: implement me.
081                    throw new RuntimeException("Not yet Implemented.");
082            }
083    }