com.fusesource.forge.jmstest.tests.AsyncConsumer.java Source code

Introduction

Here is the source code for com.fusesource.forge.jmstest.tests.AsyncConsumer.java

Source

/*
 * Copyright (C) 2009, Progress Software Corporation and/or its
 * subsidiaries or affiliates.  All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.fusesource.forge.jmstest.tests;

import java.util.Enumeration;
import java.util.concurrent.atomic.AtomicLong;

import javax.jms.Destination;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class AsyncConsumer extends AsyncClient implements MessageListener {

    private final static Log LOG = LogFactory.getLog(AsyncConsumer.class);

    private AtomicLong receiveCount = null;
    private Session session = null;

    protected Session getSession() throws Exception {
        if (session == null) {
            session = getConnection().createSession(false, Session.AUTO_ACKNOWLEDGE);
        }
        return session;
    }

    public void doStart() {
        try {
            Destination dest = getDestination(getSession(), getDestinationName());
            MessageConsumer consumer = session.createConsumer(dest);
            consumer.setMessageListener(this);
            getConnection().start();
        } catch (Exception jme) {
            try {
                getConnection().close();
            } catch (Exception e) {
            }
        }
    }

    public void doStop() {
        try {
            closeConnection();
        } catch (Exception e) {
        }
    }

    public void onMessage(Message msg) {
        if (receiveCount != null) {
            receiveCount.incrementAndGet();
        }
        MessageProducer producer = null;
        try {
            Destination replyDest = msg.getJMSReplyTo();
            if (replyDest != null) {
                Message response = getSession().createTextMessage("Response");
                response.setStringProperty("ServedBy", getName());
                response.setJMSCorrelationID(msg.getJMSCorrelationID());
                for (Enumeration<?> en = msg.getPropertyNames(); en.hasMoreElements();) {
                    String key = (String) en.nextElement();
                    Object value = msg.getObjectProperty(key);
                    if (key.equals("BrokerStamp")) {
                        value = value.toString() + " --";
                    }
                    response.setObjectProperty(key, value);
                }
                producer = getSession().createProducer(replyDest);
                producer.send(response);
            }
        } catch (Exception e) {
            LOG.error(e);
        } finally {
            if (producer != null) {
                try {
                    producer.close();
                } catch (Exception e) {
                }
            }
        }
    }

    public void setReceiveCount(AtomicLong receiveCount) {
        this.receiveCount = receiveCount;
    }
}