/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.transport.jms;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageListener;
import javax.jms.QueueSession;
import javax.jms.Session;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.jms.core.JmsTemplate102;
import org.springframework.jms.core.SessionCallback;
import org.springframework.jms.listener.DefaultMessageListenerContainer;
import org.springframework.jms.listener.DefaultMessageListenerContainer102;
import org.springframework.jms.support.destination.DestinationResolver;
/**
* Factory to create JmsTemplates and JmsListeners from configuration and context information
*/
public final class JMSFactory {
private JMSFactory() {
}
/**
* Create JmsTemplate from configuration information. Most settings are taken from jmsConfig. The QoS
* settings in headers override the settings from jmsConfig
*
* @param jmsConfig configuration information
* @param headers context headers
* @return
*/
public static JmsTemplate createJmsTemplate(JMSConfiguration jmsConfig, JMSMessageHeadersType headers) {
JmsTemplate jmsTemplate = jmsConfig.isUseJms11() ? new JmsTemplate() : new JmsTemplate102();
jmsTemplate.setConnectionFactory(jmsConfig.getConnectionFactory());
jmsTemplate.setPubSubDomain(jmsConfig.isPubSubDomain());
jmsTemplate.setReceiveTimeout(jmsConfig.getReceiveTimeout());
jmsTemplate.setTimeToLive(jmsConfig.getTimeToLive());
int priority = (headers != null && headers.isSetJMSPriority())
? headers.getJMSPriority() : jmsConfig.getPriority();
jmsTemplate.setPriority(priority);
int deliveryMode = (headers != null && headers.isSetJMSDeliveryMode()) ? headers
.getJMSDeliveryMode() : jmsConfig.getDeliveryMode();
jmsTemplate.setDeliveryMode(deliveryMode);
jmsTemplate.setExplicitQosEnabled(jmsConfig.isExplicitQosEnabled());
jmsTemplate.setSessionTransacted(jmsConfig.isSessionTransacted());
if (jmsConfig.getDestinationResolver() != null) {
jmsTemplate.setDestinationResolver(jmsConfig.getDestinationResolver());
}
return jmsTemplate;
}
/**
* Create and start listener using configuration information from jmsConfig. Uses
* resolveOrCreateDestination to determine the destination for the listener.
*
* @param jmsConfig configuration information
* @param listenerHandler object to be called when a message arrives
* @param destinationName null for temp dest or a destination name
* @return
*/
public static DefaultMessageListenerContainer createJmsListener(JMSConfiguration jmsConfig,
MessageListener listenerHandler,
String destinationName) {
DefaultMessageListenerContainer jmsListener = jmsConfig.isUseJms11()
? new DefaultMessageListenerContainer() : new DefaultMessageListenerContainer102();
jmsListener.setConcurrentConsumers(jmsConfig.getConcurrentConsumers());
jmsListener.setMaxConcurrentConsumers(jmsConfig.getMaxConcurrentConsumers());
jmsListener.setPubSubDomain(jmsConfig.isPubSubDomain());
jmsListener.setAutoStartup(true);
jmsListener.setConnectionFactory(jmsConfig.getConnectionFactory());
jmsListener.setMessageSelector(jmsConfig.getMessageSelector());
jmsListener.setDurableSubscriptionName(jmsConfig.getDurableSubscriptionName());
jmsListener.setSessionTransacted(jmsConfig.isSessionTransacted());
jmsListener.setTransactionManager(jmsConfig.getTransactionManager());
jmsListener.setMessageListener(listenerHandler);
if (jmsConfig.getDestinationResolver() != null) {
jmsListener.setDestinationResolver(jmsConfig.getDestinationResolver());
}
if (jmsConfig.getTaskExecutor() != null) {
jmsListener.setTaskExecutor(jmsConfig.getTaskExecutor());
}
JmsTemplate jmsTemplate = createJmsTemplate(jmsConfig, null);
Destination dest = JMSFactory.resolveOrCreateDestination(jmsTemplate, destinationName, jmsConfig
.isPubSubDomain());
jmsListener.setDestination(dest);
jmsListener.initialize();
return jmsListener;
}
/**
* If the destinationName given is null then a temporary destination is created else the destination name
* is resolved using the resolver from the jmsConfig
*
* @param jmsTemplate template to use for session and resolver
* @param replyToDestinationName null for temporary destination or a destination name
* @param pubSubDomain true=pubSub, false=Queues
* @return resolved destination
*/
private static Destination resolveOrCreateDestination(final JmsTemplate jmsTemplate,
final String replyToDestinationName,
final boolean pubSubDomain) {
return (Destination)jmsTemplate.execute(new SessionCallback() {
public Object doInJms(Session session) throws JMSException {
if (replyToDestinationName == null) {
if (session instanceof QueueSession) {
// For JMS 1.0.2
return ((QueueSession)session).createTemporaryQueue();
} else {
// For JMS 1.1
return session.createTemporaryQueue();
}
}
DestinationResolver resolv = jmsTemplate.getDestinationResolver();
return resolv.resolveDestinationName(session, replyToDestinationName, pubSubDomain);
}
});
}
}