org.springframework.jms.listener.SimpleMessageListenerContainer102 Maven / Gradle / Ivy
/*
* Copyright 2002-2006 the original author or authors.
*
* Licensed 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.springframework.jms.listener;
import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageConsumer;
import javax.jms.Queue;
import javax.jms.QueueConnection;
import javax.jms.QueueConnectionFactory;
import javax.jms.QueueSession;
import javax.jms.Session;
import javax.jms.Topic;
import javax.jms.TopicConnection;
import javax.jms.TopicConnectionFactory;
import javax.jms.TopicSession;
/**
* A subclass of SimpleMessageListenerContainer that uses the JMS 1.0.2 specification,
* rather than the JMS 1.1 methods used by SimpleMessageListenerContainer itself.
* This class can be used for JMS 1.0.2 providers, offering the same facility as
* SimpleMessageListenerContainer does for JMS 1.1 providers.
*
* @author Juergen Hoeller
* @since 2.0
*/
public class SimpleMessageListenerContainer102 extends SimpleMessageListenerContainer {
/**
* This implementation overrides the superclass method to use JMS 1.0.2 API.
*/
protected Connection createConnection() throws JMSException {
if (isPubSubDomain()) {
return ((TopicConnectionFactory) getConnectionFactory()).createTopicConnection();
}
else {
return ((QueueConnectionFactory) getConnectionFactory()).createQueueConnection();
}
}
/**
* This implementation overrides the superclass method to use JMS 1.0.2 API.
*/
protected Session createSession(Connection con) throws JMSException {
if (isPubSubDomain()) {
return ((TopicConnection) con).createTopicSession(isSessionTransacted(), getSessionAcknowledgeMode());
}
else {
return ((QueueConnection) con).createQueueSession(isSessionTransacted(), getSessionAcknowledgeMode());
}
}
/**
* This implementation overrides the superclass method to use JMS 1.0.2 API.
*/
protected MessageConsumer createConsumer(Session session, Destination destination) throws JMSException {
if (isPubSubDomain()) {
if (isSubscriptionDurable()) {
return ((TopicSession) session).createDurableSubscriber(
(Topic) destination, getDurableSubscriptionName(), getMessageSelector(), isPubSubNoLocal());
}
else {
return ((TopicSession) session).createSubscriber(
(Topic) destination, getMessageSelector(), isPubSubNoLocal());
}
}
else {
return ((QueueSession) session).createReceiver((Queue) destination, getMessageSelector());
}
}
/**
* This implementation overrides the superclass method to avoid using
* JMS 1.1's Session getAcknowledgeMode() method.
* The best we can do here is to check the setting on the listener container.
*/
protected boolean isClientAcknowledge(Session session) throws JMSException {
return (getSessionAcknowledgeMode() == Session.CLIENT_ACKNOWLEDGE);
}
}