JMS Receiver - Java Message

Java examples for Message:JMS

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Description

JMS Receiver

Demo Code

/**/*w  w  w . j a  va2 s  . c om*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.redhat.workshop.amq7.streammessage;

import javax.jms.BytesMessage;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.MessageConsumer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.naming.InitialContext;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;

public class Receiver {
    public static void main(String args[]) throws Exception {

        try {
            InitialContext context = new InitialContext();

            Queue queue = (Queue) context.lookup("queue/exampleQueue");

            ConnectionFactory cf = (ConnectionFactory) context
                    .lookup("ConnectionFactory");

            try (Connection connection = cf.createConnection();) {
                Session session = connection.createSession(false,
                        Session.AUTO_ACKNOWLEDGE);

                connection.start();

                MessageConsumer messageConsumer = session
                        .createConsumer(queue);

                connection.start();

                BytesMessage messageReceived = (BytesMessage) messageConsumer
                        .receive(120000);

                File outputFile = new File("huge_message_received.dat");

                try (FileOutputStream fileOutputStream = new FileOutputStream(
                        outputFile)) {
                    BufferedOutputStream bufferedOutput = new BufferedOutputStream(
                            fileOutputStream);

                    //This will save the stream and wait until the entire message is written before continuing.
                    messageReceived.setObjectProperty("JMS_AMQ_SaveStream",
                            bufferedOutput);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

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