001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  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    package org.apache.activemq.transport.stomp;
018    
019    import java.io.IOException;
020    import java.net.Socket;
021    import java.net.URI;
022    import java.net.URISyntaxException;
023    import java.net.UnknownHostException;
024    import java.util.Map;
025    
026    import javax.net.ServerSocketFactory;
027    import javax.net.SocketFactory;
028    
029    import org.apache.activemq.broker.BrokerContext;
030    import org.apache.activemq.broker.BrokerService;
031    import org.apache.activemq.broker.BrokerServiceAware;
032    import org.apache.activemq.transport.Transport;
033    import org.apache.activemq.transport.nio.NIOTransportFactory;
034    import org.apache.activemq.transport.tcp.TcpTransport;
035    import org.apache.activemq.transport.tcp.TcpTransportServer;
036    import org.apache.activemq.util.IntrospectionSupport;
037    import org.apache.activemq.wireformat.WireFormat;
038    import org.apache.activemq.xbean.XBeanBrokerService;
039    
040    /**
041     * A <a href="http://stomp.codehaus.org/">STOMP</a> over NIO transport factory
042     * 
043     * 
044     */
045    public class StompNIOTransportFactory extends NIOTransportFactory implements BrokerServiceAware {
046    
047        private BrokerContext brokerContext = null;
048    
049        protected String getDefaultWireFormatType() {
050            return "stomp";
051        }
052    
053        protected TcpTransportServer createTcpTransportServer(URI location, ServerSocketFactory serverSocketFactory) throws IOException, URISyntaxException {
054            return new TcpTransportServer(this, location, serverSocketFactory) {
055                protected Transport createTransport(Socket socket, WireFormat format) throws IOException {
056                    return new StompNIOTransport(format, socket);
057                }
058            };
059        }
060    
061        protected TcpTransport createTcpTransport(WireFormat wf, SocketFactory socketFactory, URI location, URI localLocation) throws UnknownHostException, IOException {
062            return new StompNIOTransport(wf, socketFactory, location, localLocation);
063        }  
064    
065        public Transport compositeConfigure(Transport transport, WireFormat format, Map options) {
066            transport = new StompTransportFilter(transport, new LegacyFrameTranslator(), brokerContext);
067            IntrospectionSupport.setProperties(transport, options);
068            return super.compositeConfigure(transport, format, options);
069        }
070    
071        protected boolean isUseInactivityMonitor(Transport transport) {
072            // lets disable the inactivity monitor as stomp does not use keep alive
073            // packets
074            return false;
075        }
076        
077        public void setBrokerService(BrokerService brokerService) {
078            this.brokerContext = brokerService.getBrokerContext();
079        }
080    
081    }
082