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.broker.region.virtual;
018    
019    import org.apache.activemq.broker.region.Destination;
020    import org.apache.activemq.command.ActiveMQDestination;
021    import org.apache.activemq.command.ActiveMQQueue;
022    import org.apache.activemq.command.ActiveMQTopic;
023    
024    /**
025     * Creates <a href="http://activemq.org/site/virtual-destinations.html">Virtual
026     * Topics</a> using a prefix and postfix. The virtual destination creates a
027     * wildcard that is then used to look up all active queue subscriptions which
028     * match.
029     * 
030     * @org.apache.xbean.XBean
031     * 
032     * @version $Revision: 650143 $
033     */
034    public class VirtualTopic implements VirtualDestination {
035    
036        private String prefix = "Consumer.*.";
037        private String postfix = "";
038        private String name = ">";
039    
040    
041        public ActiveMQDestination getVirtualDestination() {
042            return new ActiveMQTopic(getName());
043        }
044    
045        public Destination intercept(Destination destination) {
046            return new VirtualTopicInterceptor(destination, getPrefix(), getPostfix());
047        }
048        
049    
050        public void remove(Destination destination) {        
051        }
052        
053        // Properties
054        // -------------------------------------------------------------------------
055    
056        public String getPostfix() {
057            return postfix;
058        }
059    
060        /**
061         * Sets any postix used to identify the queue consumers
062         */
063        public void setPostfix(String postfix) {
064            this.postfix = postfix;
065        }
066    
067        public String getPrefix() {
068            return prefix;
069        }
070    
071        /**
072         * Sets the prefix wildcard used to identify the queue consumers for a given
073         * topic
074         */
075        public void setPrefix(String prefix) {
076            this.prefix = prefix;
077        }
078    
079        public String getName() {
080            return name;
081        }
082    
083        public void setName(String name) {
084            this.name = name;
085        }
086    
087    }