001 /**
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one or more
004 * contributor license agreements. See the NOTICE file distributed with
005 * this work for additional information regarding copyright ownership.
006 * The ASF licenses this file to You under the Apache License, Version 2.0
007 * (the "License"); you may not use this file except in compliance with
008 * the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 package org.apache.camel.component.mina;
019
020 import org.apache.camel.Producer;
021 import org.apache.camel.Exchange;
022 import org.apache.camel.impl.DefaultProducer;
023 import org.apache.commons.logging.Log;
024 import org.apache.commons.logging.LogFactory;
025 import org.apache.mina.common.ConnectFuture;
026 import org.apache.mina.common.IoConnector;
027 import org.apache.mina.common.IoHandler;
028 import org.apache.mina.common.IoHandlerAdapter;
029 import org.apache.mina.common.IoSession;
030
031 import java.net.SocketAddress;
032
033 /**
034 * A {@link Producer} implementation for MINA
035 *
036 * @version $Revision: 534145 $
037 */
038 public class MinaProducer extends DefaultProducer {
039 private static final transient Log log = LogFactory.getLog(MinaProducer.class);
040 private IoSession session;
041 private MinaEndpoint endpoint;
042
043 public MinaProducer(MinaEndpoint endpoint) {
044 super(endpoint);
045 this.endpoint = endpoint;
046 }
047
048 public void process(Exchange exchange) {
049 if (session == null) {
050 throw new IllegalStateException("Not started yet!");
051 }
052 Object body = exchange.getIn().getBody();
053 if (body == null) {
054 log.warn("No payload for exchange: " + exchange);
055 }
056 else {
057 session.write(body);
058 }
059 }
060
061 @Override
062 protected void doStart() throws Exception {
063 SocketAddress address = endpoint.getAddress();
064 IoConnector connector = endpoint.getConnector();
065 if (log.isDebugEnabled()) {
066 log.debug("Creating connector to address: " + address + " using connector: " + connector);
067 }
068 IoHandler ioHandler = new IoHandlerAdapter() {
069 @Override
070 public void messageReceived(IoSession ioSession, Object object) throws Exception {
071 super.messageReceived(ioSession, object); /** TODO */
072 }
073 };
074 ConnectFuture future = connector.connect(address, ioHandler, endpoint.getConfig());
075 future.join();
076 session = future.getSession();
077 }
078
079 @Override
080 protected void doStop() throws Exception {
081 if (session != null) {
082 session.close().join(2000);
083 }
084 }
085 }