import java.io.IOException;

import com.rabbitmq.client.ConnectionFactory;

import com.rabbitmq.client.Connection;

import com.rabbitmq.client.Channel;

public class EmitLog {

    private static final String EXCHANGE_NAME = "logs";

    public static void main(String[] argv)

                  throws java.io.IOException {

        ConnectionFactory factory = new ConnectionFactory();

        factory.setHost("localhost");

        Connection connection = factory.newConnection();

        Channel channel = connection.createChannel();

        channel.exchangeDeclare(EXCHANGE_NAME, "fanout");

        String message = getMessage(argv);

        channel.basicPublish(EXCHANGE_NAME, "", null, message.getBytes());

        System.out.println(" [x] Sent '" + message + "'");

        channel.close();

        connection.close();

    }

    //...

}

import com.rabbitmq.client.*;

import java.io.IOException;

public class ReceiveLogs {

  private static final String EXCHANGE_NAME = "logs";

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

    ConnectionFactory factory = new ConnectionFactory();

    factory.setHost("localhost");

    Connection connection = factory.newConnection();

    Channel channel = connection.createChannel();

    channel.exchangeDeclare(EXCHANGE_NAME, "fanout");

    String queueName = channel.queueDeclare().getQueue();

    channel.queueBind(queueName, EXCHANGE_NAME, "");

    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    Consumer consumer = new DefaultConsumer(channel) {

      @Override

      public void handleDelivery(String consumerTag, Envelope envelope,

                                 AMQP.BasicProperties properties, byte[] body) throws IOException {

        String message = new String(body, "UTF-8");

        System.out.println(" [x] Received '" + message + "'");

      }

    };

    channel.basicConsume(queueName, true, consumer);

  }

}