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.processor;
019    
020    import org.apache.camel.Endpoint;
021    import org.apache.camel.Exchange;
022    import org.apache.camel.Processor;
023    import org.apache.camel.Producer;
024    import org.apache.camel.Service;
025    import org.apache.camel.impl.ServiceSupport;
026    
027    /**
028     * @version $Revision: 534145 $
029     */
030    public class SendProcessor extends ServiceSupport implements Processor, Service {
031        private Endpoint destination;
032        private Producer producer;
033    
034        public SendProcessor(Endpoint destination) {
035            this.destination = destination;
036        }
037    
038        protected void doStop() throws Exception {
039            if (producer != null) {
040                try {
041                    producer.stop();
042                }
043                finally {
044                    producer = null;
045                }
046            }
047        }
048    
049        protected void doStart() throws Exception {
050            this.producer = destination.createProducer();
051        }
052    
053        public void process(Exchange exchange) throws Exception {
054            if (producer == null) {
055                throw new IllegalStateException("No producer, this processor has not been started!");
056            }
057            producer.process(exchange);
058        }
059    
060        public Endpoint getDestination() {
061            return destination;
062        }
063    
064        @Override
065        public String toString() {
066            return "sendTo(" + destination + ")";
067        }
068    }