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.camel; 018 019 import javax.jms.Destination; 020 import javax.jms.IllegalStateException; 021 import javax.jms.JMSException; 022 import javax.jms.Message; 023 024 import org.apache.activemq.ActiveMQMessageProducerSupport; 025 import org.apache.activemq.ActiveMQSession; 026 import org.apache.activemq.util.JMSExceptionSupport; 027 import org.apache.camel.Endpoint; 028 import org.apache.camel.Exchange; 029 import org.apache.camel.ExchangePattern; 030 import org.apache.camel.Producer; 031 import org.apache.camel.component.jms.JmsMessage; 032 import org.apache.camel.util.ObjectHelper; 033 034 /** 035 * A JMS {@link javax.jms.MessageProducer} which sends message exchanges to a 036 * Camel {@link Endpoint} 037 * 038 * @version $Revision: $ 039 */ 040 public class CamelMessageProducer extends ActiveMQMessageProducerSupport { 041 042 protected Producer producer; 043 044 private final CamelDestination destination; 045 private final Endpoint endpoint; 046 private boolean closed; 047 048 public CamelMessageProducer(CamelDestination destination, Endpoint endpoint, ActiveMQSession session) throws JMSException { 049 super(session); 050 this.destination = destination; 051 this.endpoint = endpoint; 052 try { 053 this.producer = endpoint.createProducer(); 054 } catch (JMSException e) { 055 throw e; 056 } catch (Exception e) { 057 throw JMSExceptionSupport.create(e); 058 } 059 } 060 061 public CamelDestination getDestination() throws JMSException { 062 return destination; 063 } 064 065 public Endpoint getEndpoint() { 066 return endpoint; 067 } 068 069 public void close() throws JMSException { 070 if (!closed) { 071 closed = true; 072 try { 073 producer.stop(); 074 } catch (JMSException e) { 075 throw e; 076 } catch (Exception e) { 077 throw JMSExceptionSupport.create(e); 078 } 079 } 080 } 081 082 public void send(Destination destination, Message message, int deliveryMode, int priority, long timeToLive) throws JMSException { 083 CamelDestination camelDestination = null; 084 if (ObjectHelper.equal(destination, this.destination)) { 085 camelDestination = this.destination; 086 } else { 087 // TODO support any CamelDestination? 088 throw new IllegalArgumentException("Invalid destination setting: " + destination + " when expected: " + this.destination); 089 } 090 try { 091 Exchange exchange = endpoint.createExchange(ExchangePattern.InOnly); 092 exchange.setIn(new JmsMessage(message, camelDestination.getBinding())); 093 producer.process(exchange); 094 } catch (JMSException e) { 095 throw e; 096 } catch (Exception e) { 097 throw JMSExceptionSupport.create(e); 098 } 099 } 100 101 protected void checkClosed() throws IllegalStateException { 102 if (closed) { 103 throw new IllegalStateException("The producer is closed"); 104 } 105 } 106 }