Publisher.java

/********************************************************************************
KingCobra - A Research Software for Distributed Request Service on Cloud with Arbiters

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

--------------------------------------------------------------------------------------------------
Copyright (C):
Srinivasan Kannan (alias) Ka.Shrinivaasan (alias) Shrinivas Kannan
Independent Open Source Developer, Researcher and Consultant
Ph: 9789346927, 9003082186, 9791165980
Open Source Products Profile(Krishna iResearch): http://sourceforge.net/users/ka_shrinivaasan, https://www.ohloh.net/accounts/ka_shrinivaasan
Personal website(research): https://sites.google.com/site/kuja27/
emails: ka.shrinivaasan@gmail.com, shrinivas.kannan@gmail.com, kashrinivaasan@live.com
--------------------------------------------------------------------------------------------------
*****************************************************************************************/




package kingcobra;

import org.apache.qpid.amqp_1_0.jms.impl.*;
import javax.jms.*;

class Publisher {

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

        String user = env("ACTIVEMQ_USER", "admin");
        String password = env("ACTIVEMQ_PASSWORD", "password");
        String host = env("ACTIVEMQ_HOST", "localhost");
        int port = Integer.parseInt(env("ACTIVEMQ_PORT", "5672"));
        String destination = arg(args, 0, "queue://kingcobraq");

        int messages = 10000;
        int size = 256;

        String DATA = "abcdefghijklmnopqrstuvwxyz";
        String body = "";
        for( int i=0; i < size; i ++) {
            body += DATA.charAt(i%DATA.length());
        }

        ConnectionFactoryImpl factory = new ConnectionFactoryImpl(host, port, user, password);
        Destination dest = null;
        if( destination.startsWith("topic://") ) {
            dest = new TopicImpl(destination);
        } else {
            dest = new QueueImpl(destination);
        }

        Connection connection = factory.createConnection(user, password);
        connection.start();
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = session.createProducer(dest);
        producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);

        for( int i=1; i <= messages; i ++) {
            TextMessage msg = session.createTextMessage("#:"+i);
            msg.setIntProperty("id", i);
            producer.send(msg);
            if( (i % 1000) == 0) {
                System.out.println(String.format("Sent %d messages", i));
            }
        }

        producer.send(session.createTextMessage("SHUTDOWN"));
        Thread.sleep(1000*3);
        connection.close();
        System.exit(0);
    }

    private static String env(String key, String defaultValue) {
        String rc = System.getenv(key);
        if( rc== null )
            return defaultValue;
        return rc;
    }

    private static String arg(String []args, int index, String defaultValue) {
        if( index < args.length )
            return args[index];
        else
            return defaultValue;
    }

}