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 javax.jms.JMSException;
020import javax.jms.Queue;
021import javax.jms.QueueBrowser;
022import javax.jms.Session;
023
024import org.springframework.beans.factory.DisposableBean;
025
026/**
027 * 
028 * 
029 */
030public class QueueBrowseQuery extends DestinationFacade implements DisposableBean {
031    private SessionPool sessionPool;
032    private String selector;
033    private Session session;
034    private Queue queue;
035    private QueueBrowser browser;
036
037    public QueueBrowseQuery(BrokerFacade brokerFacade, SessionPool sessionPool) throws JMSException {
038        super(brokerFacade);
039        this.sessionPool = sessionPool;
040        this.session = sessionPool.borrowSession();
041        setJMSDestinationType("query");
042    }
043
044    public void destroy() throws Exception {
045        if (browser != null) {
046            browser.close();
047        }
048        sessionPool.returnSession(session);
049        session = null;
050    }
051
052    public QueueBrowser getBrowser() throws JMSException {
053        if (browser == null) {
054            browser = createBrowser();
055        }
056        return browser;
057    }
058
059    public void setBrowser(QueueBrowser browser) {
060        this.browser = browser;
061    }
062
063    public Queue getQueue() throws JMSException {
064        if (queue == null) {
065            queue = session.createQueue(getValidDestination());
066        }
067        return queue;
068    }
069
070    public void setQueue(Queue queue) {
071        this.queue = queue;
072    }
073
074    public String getSelector() {
075        return selector;
076    }
077
078    public void setSelector(String selector) {
079        this.selector = selector;
080    }
081
082    public Session getSession() {
083        return session;
084    }
085
086    public boolean isQueue() {
087        return true;
088    }
089
090    protected QueueBrowser createBrowser() throws JMSException {
091        return getSession().createBrowser(getQueue(), getSelector());
092    }
093
094    
095}