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.camel.component.mina;
018    
019    import java.net.SocketAddress;
020    
021    import org.apache.camel.Processor;
022    import org.apache.camel.impl.DefaultConsumer;
023    import org.apache.commons.logging.Log;
024    import org.apache.commons.logging.LogFactory;
025    import org.apache.mina.common.IoAcceptor;
026    import org.apache.mina.common.IoHandler;
027    import org.apache.mina.common.IoHandlerAdapter;
028    import org.apache.mina.common.IoSession;
029    
030    /**
031     * A
032     * 
033     * @{link Consumer} for MINA
034     * @version $Revision: 563665 $
035     */
036    public class MinaConsumer extends DefaultConsumer<MinaExchange> {
037        private static final transient Log LOG = LogFactory.getLog(MinaConsumer.class);
038    
039        private final MinaEndpoint endpoint;
040        private final SocketAddress address;
041        private final IoAcceptor acceptor;
042    
043        public MinaConsumer(final MinaEndpoint endpoint, Processor processor) {
044            super(endpoint, processor);
045            this.endpoint = endpoint;
046            address = endpoint.getAddress();
047            acceptor = endpoint.getAcceptor();
048        }
049    
050        @Override
051        protected void doStart() throws Exception {
052    
053            if (LOG.isDebugEnabled()) {
054                LOG.debug("Binding to server address: " + address + " using acceptor: " + acceptor);
055            }
056    
057            IoHandler handler = new IoHandlerAdapter() {
058                @Override
059                public void messageReceived(IoSession session, Object object) throws Exception {
060                    getProcessor().process(endpoint.createExchange(session, object));
061                }
062            };
063    
064            acceptor.bind(address, handler, endpoint.getConfig());
065        }
066    
067        @Override
068        protected void doStop() throws Exception {
069            acceptor.unbind(address);
070            super.doStop();
071        }
072    }