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 }