001/* 002 * Copyright 2002-2014 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.jms.support.destination; 018 019import javax.jms.Destination; 020import javax.jms.JMSException; 021import javax.jms.Queue; 022import javax.jms.Session; 023import javax.jms.Topic; 024 025import org.springframework.lang.Nullable; 026import org.springframework.util.Assert; 027 028/** 029 * Simple {@link DestinationResolver} implementation resolving destination names 030 * as dynamic destinations. 031 * 032 * @author Juergen Hoeller 033 * @since 1.1 034 * @see javax.jms.Session#createQueue 035 * @see javax.jms.Session#createTopic 036 */ 037public class DynamicDestinationResolver implements DestinationResolver { 038 039 /** 040 * Resolve the specified destination name as a dynamic destination. 041 * @param session the current JMS Session 042 * @param destinationName the name of the destination 043 * @param pubSubDomain {@code true} if the domain is pub-sub, {@code false} if P2P 044 * @return the JMS destination (either a topic or a queue) 045 * @throws javax.jms.JMSException if resolution failed 046 * @see #resolveTopic(javax.jms.Session, String) 047 * @see #resolveQueue(javax.jms.Session, String) 048 */ 049 @Override 050 public Destination resolveDestinationName(@Nullable Session session, String destinationName, boolean pubSubDomain) 051 throws JMSException { 052 053 Assert.notNull(session, "Session must not be null"); 054 Assert.notNull(destinationName, "Destination name must not be null"); 055 if (pubSubDomain) { 056 return resolveTopic(session, destinationName); 057 } 058 else { 059 return resolveQueue(session, destinationName); 060 } 061 } 062 063 064 /** 065 * Resolve the given destination name to a {@link Topic}. 066 * @param session the current JMS Session 067 * @param topicName the name of the desired {@link Topic} 068 * @return the JMS {@link Topic} 069 * @throws javax.jms.JMSException if resolution failed 070 * @see Session#createTopic(String) 071 */ 072 protected Topic resolveTopic(Session session, String topicName) throws JMSException { 073 return session.createTopic(topicName); 074 } 075 076 /** 077 * Resolve the given destination name to a {@link Queue}. 078 * @param session the current JMS Session 079 * @param queueName the name of the desired {@link Queue} 080 * @return the JMS {@link Queue} 081 * @throws javax.jms.JMSException if resolution failed 082 * @see Session#createQueue(String) 083 */ 084 protected Queue resolveQueue(Session session, String queueName) throws JMSException { 085 return session.createQueue(queueName); 086 } 087 088}