scratchpad.SimpleConsumer.java Source code

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Here is the source code for scratchpad.SimpleConsumer.java

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//   The contents of this file are subject to the Mozilla Public License
//   Version 1.1 (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.mozilla.org/MPL/
//
//   Software distributed under the License is distributed on an "AS IS"
//   basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
//   License for the specific language governing rights and limitations
//   under the License.
//
//   The Original Code is RabbitMQ.
//
//   The Initial Developers of the Original Code are LShift Ltd,
//   Cohesive Financial Technologies LLC, and Rabbit Technologies Ltd.
//
//   Portions created before 22-Nov-2008 00:00:00 GMT by LShift Ltd,
//   Cohesive Financial Technologies LLC, or Rabbit Technologies Ltd
//   are Copyright (C) 2007-2008 LShift Ltd, Cohesive Financial
//   Technologies LLC, and Rabbit Technologies Ltd.
//
//   Portions created by LShift Ltd are Copyright (C) 2007-2010 LShift
//   Ltd. Portions created by Cohesive Financial Technologies LLC are
//   Copyright (C) 2007-2010 Cohesive Financial Technologies
//   LLC. Portions created by Rabbit Technologies Ltd are Copyright
//   (C) 2007-2010 Rabbit Technologies Ltd.
//
//   All Rights Reserved.
//
//   Contributor(s): ______________________________________.
//

package scratchpad;

import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.Envelope;
import com.rabbitmq.client.QueueingConsumer;

public class SimpleConsumer {
    public static void main(String[] args) {
        try {
            String hostName = (args.length > 0) ? args[0] : "localhost";
            int portNumber = (args.length > 1) ? Integer.parseInt(args[1]) : AMQP.PROTOCOL.PORT;
            String queueName = (args.length > 2) ? args[2] : "eventName";

            ConnectionFactory connFactory = new ConnectionFactory();
            connFactory.setHost(hostName);
            connFactory.setPort(portNumber);
            Connection conn = connFactory.newConnection();

            final Channel ch = conn.createChannel();

            ch.queueDeclare();

            QueueingConsumer consumer = new QueueingConsumer(ch);
            ch.basicConsume(queueName, consumer);
            while (true) {
                QueueingConsumer.Delivery delivery = consumer.nextDelivery();
                Envelope envelope = delivery.getEnvelope();
                System.out
                        .println("Routing Key: " + envelope.getRoutingKey() + ":" + new String(delivery.getBody()));
                ch.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
            }
        } catch (Exception ex) {
            System.err.println("Main thread caught exception: " + ex);
            ex.printStackTrace();
            System.exit(1);
        }
    }
}