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.web;
018    
019    import java.util.Iterator;
020    import java.util.Set;
021    
022    import org.apache.activemq.broker.Broker;
023    import org.apache.activemq.broker.BrokerService;
024    import org.apache.activemq.broker.jmx.BrokerView;
025    import org.apache.activemq.broker.jmx.BrokerViewMBean;
026    import org.apache.activemq.broker.jmx.ManagedRegionBroker;
027    import org.apache.activemq.broker.jmx.ManagementContext;
028    import org.apache.activemq.broker.region.Queue;
029    import org.apache.activemq.command.ActiveMQDestination;
030    
031    /**
032     * An implementation of {@link BrokerFacade} which uses a local in JVM broker
033     * 
034     * @version $Revision: 569067 $
035     */
036    public class LocalBrokerFacade extends BrokerFacadeSupport {
037        private BrokerService brokerService;
038    
039        public LocalBrokerFacade(BrokerService brokerService) {
040            this.brokerService = brokerService;
041        }
042    
043        public BrokerService getBrokerService() {
044            return brokerService;
045        }
046    
047        public Broker getBroker() throws Exception {
048            return brokerService.getBroker();
049        }
050    
051        public ManagementContext getManagementContext() {
052            return brokerService.getManagementContext();
053        }
054    
055        public BrokerViewMBean getBrokerAdmin() throws Exception {
056            // TODO could use JMX to look this up
057            return brokerService.getAdminView();
058        }
059    
060        public ManagedRegionBroker getManagedBroker() throws Exception {
061            BrokerView adminView = brokerService.getAdminView();
062            if (adminView == null) {
063                return null;
064            }
065            return adminView.getBroker();
066        }
067    
068        public void purgeQueue(ActiveMQDestination destination) throws Exception {
069            Set destinations = getManagedBroker().getQueueRegion().getDestinations(destination);
070            for (Iterator i = destinations.iterator(); i.hasNext();) {
071                Queue regionQueue = (Queue)i.next();
072                regionQueue.purge();
073            }
074        }
075    }