controllerStuff.ControllerPublisher.java Source code

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Here is the source code for controllerStuff.ControllerPublisher.java

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/*
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package controllerStuff;

import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.Consumer;
import com.rabbitmq.client.DefaultConsumer;
import com.rabbitmq.client.Envelope;
import java.io.IOException;
import java.util.StringTokenizer;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author thor
 */
public class ControllerPublisher {

    public static final String EXCHANGE_CONTOLLER_CMD = "controllerCommandExchange";
    public static final String EXCHANGE_CONTROLLER_REGETRY = "controllerExchange";
    public static final String BIND_KEY_BASE = "controller.";

    private final Connection connection;
    private final String nodeID;
    private Channel controllerChannel = null;

    /**
     *
     * @param connection
     * @param controllerObject
     */
    public ControllerPublisher(Connection connection, String nodeID) {
        this.connection = connection;
        this.nodeID = nodeID;
        try {
            controllerChannel = connection.createChannel();
            controllerChannel.exchangeDeclare(EXCHANGE_CONTROLLER_REGETRY, "topic");
        } catch (IOException ex) {
            Logger.getLogger(ControllerPublisher.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    private void registerController(Controller controllerObject) {
        byte[] obj = controllerObject.toJsonString();
        //     String name = controllerObject.getName();
        //      System.out.println(" obj: "+ obj+" name " + name);
        try {
            controllerChannel.basicPublish(EXCHANGE_CONTROLLER_REGETRY,
                    BIND_KEY_BASE + '.' + nodeID + '.' + controllerObject.getName(), null, obj);
        } catch (IOException ex) {
            Logger.getLogger(ControllerPublisher.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    private void attachControllerCallback(Controller controllerObject) {
        try {

            Channel controllerCallbackChannel = connection.createChannel();
            controllerCallbackChannel.exchangeDeclare(EXCHANGE_CONTOLLER_CMD, "topic");
            String sensChName = controllerCallbackChannel.queueDeclare().getQueue();
            controllerCallbackChannel.queueBind(sensChName, EXCHANGE_CONTOLLER_CMD,
                    BIND_KEY_BASE + nodeID + '.' + controllerObject.getName());

            System.out.println(BIND_KEY_BASE + nodeID + '.' + controllerObject.getName()); //Debug

            controllerCallbackChannel.basicConsume(sensChName, true,
                    new DefaultConsumer(controllerCallbackChannel) {
                        @Override
                        public void handleDelivery(String consumerTag, Envelope envelope,
                                AMQP.BasicProperties properties, byte[] body) throws IOException {

                            controllerObject.call(new String(body, "UTF-8"));

                        }
                    });

        } catch (IOException ex) {
            Logger.getLogger(ControllerPublisher.class.getName()).log(Level.SEVERE, null, ex);
        }

    }

    public void publishController(Controller controllerObject) {
        registerController(controllerObject);
        attachControllerCallback(controllerObject);
    }

}