Java tutorial
/* * Copyright 2002-2014 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 * * https://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.support.destination; import javax.jms.Destination; import javax.jms.JMSException; import javax.jms.Queue; import javax.jms.Session; import javax.jms.Topic; import org.springframework.lang.Nullable; import org.springframework.util.Assert; /** * Simple {@link DestinationResolver} implementation resolving destination names * as dynamic destinations. * * @author Juergen Hoeller * @since 1.1 * @see javax.jms.Session#createQueue * @see javax.jms.Session#createTopic */ public class DynamicDestinationResolver implements DestinationResolver { /** * Resolve the specified destination name as a dynamic destination. * @param session the current JMS Session * @param destinationName the name of the destination * @param pubSubDomain {@code true} if the domain is pub-sub, {@code false} if P2P * @return the JMS destination (either a topic or a queue) * @throws javax.jms.JMSException if resolution failed * @see #resolveTopic(javax.jms.Session, String) * @see #resolveQueue(javax.jms.Session, String) */ @Override public Destination resolveDestinationName(@Nullable Session session, String destinationName, boolean pubSubDomain) throws JMSException { Assert.notNull(session, "Session must not be null"); Assert.notNull(destinationName, "Destination name must not be null"); if (pubSubDomain) { return resolveTopic(session, destinationName); } else { return resolveQueue(session, destinationName); } } /** * Resolve the given destination name to a {@link Topic}. * @param session the current JMS Session * @param topicName the name of the desired {@link Topic} * @return the JMS {@link Topic} * @throws javax.jms.JMSException if resolution failed * @see Session#createTopic(String) */ protected Topic resolveTopic(Session session, String topicName) throws JMSException { return session.createTopic(topicName); } /** * Resolve the given destination name to a {@link Queue}. * @param session the current JMS Session * @param queueName the name of the desired {@link Queue} * @return the JMS {@link Queue} * @throws javax.jms.JMSException if resolution failed * @see Session#createQueue(String) */ protected Queue resolveQueue(Session session, String queueName) throws JMSException { return session.createQueue(queueName); } }