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 */ 017package org.apache.activemq.web; 018 019import java.util.Iterator; 020import java.util.Set; 021 022import javax.management.ObjectName; 023import javax.management.QueryExp; 024 025import org.apache.activemq.broker.Broker; 026import org.apache.activemq.broker.BrokerService; 027import org.apache.activemq.broker.jmx.BrokerView; 028import org.apache.activemq.broker.jmx.BrokerViewMBean; 029import org.apache.activemq.broker.jmx.ManagedRegionBroker; 030import org.apache.activemq.broker.jmx.ManagementContext; 031import org.apache.activemq.broker.region.Destination; 032import org.apache.activemq.broker.region.DestinationFilter; 033import org.apache.activemq.broker.region.Queue; 034import org.apache.activemq.command.ActiveMQDestination; 035 036/** 037 * An implementation of {@link BrokerFacade} which uses a local in JVM broker 038 */ 039public class LocalBrokerFacade extends BrokerFacadeSupport { 040 041 private final BrokerService brokerService; 042 043 public LocalBrokerFacade(BrokerService brokerService) { 044 this.brokerService = brokerService; 045 } 046 047 public BrokerService getBrokerService() { 048 return brokerService; 049 } 050 051 @Override 052 public String getBrokerName() throws Exception { 053 return brokerService.getBrokerName(); 054 } 055 056 public Broker getBroker() throws Exception { 057 return brokerService.getBroker(); 058 } 059 060 @Override 061 public ManagementContext getManagementContext() { 062 return brokerService.getManagementContext(); 063 } 064 065 @Override 066 public BrokerViewMBean getBrokerAdmin() throws Exception { 067 return brokerService.getAdminView(); 068 } 069 070 public ManagedRegionBroker getManagedBroker() throws Exception { 071 BrokerView adminView = brokerService.getAdminView(); 072 if (adminView == null) { 073 return null; 074 } 075 return adminView.getBroker(); 076 } 077 078 @Override 079 public void purgeQueue(ActiveMQDestination destination) throws Exception { 080 Set<Destination> destinations = getManagedBroker().getQueueRegion().getDestinations(destination); 081 for (Iterator<Destination> i = destinations.iterator(); i.hasNext();) { 082 Destination dest = unwrap(i.next()); 083 if (dest instanceof Queue) { 084 Queue regionQueue = (Queue) dest; 085 regionQueue.purge(); 086 } 087 } 088 } 089 090 private Destination unwrap(Destination dest) { 091 if (dest instanceof DestinationFilter) { 092 return unwrap(((DestinationFilter) dest).getNext()); 093 } 094 return dest; 095 } 096 097 @Override 098 public Set queryNames(ObjectName name, QueryExp query) throws Exception { 099 return getManagementContext().queryNames(name, query); 100 } 101 102 @Override 103 public Object newProxyInstance(ObjectName objectName, Class interfaceClass, boolean notificationBroadcaster) { 104 return getManagementContext().newProxyInstance(objectName, interfaceClass, notificationBroadcaster); 105 } 106}