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 }