SubsrciberStuff.BrokerSubscriber.java Source code

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Here is the source code for SubsrciberStuff.BrokerSubscriber.java

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/*
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package SubsrciberStuff;

import com.rabbitmq.client.*;
import java.io.IOException;
import java.util.StringTokenizer;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author thor
 */
public abstract class BrokerSubscriber {

    public static final String SENSOR_EXCHANGE = "sensorExchange";
    public static final String CONTROLER_EXCHANGE = "controllerExchange";
    public static final String BIND_KEY_ALL_SENSOR = "sensor.#";
    public static String NODE_DESCRIPTER;

    boolean autoAck = true;
    Channel topicChannel;
    static TopicTree topicTree;
    static ConnectionFactory factory;

    DefaultConsumer topicConsumer = new DefaultConsumer(topicChannel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            StringTokenizer st = new StringTokenizer(envelope.getRoutingKey(), ".");
            TopicTree topicHolder = topicTree.child(st.nextToken());
            while (st.hasMoreTokens()) {
                topicHolder = topicHolder.child(st.nextToken());
            }
        }
    };

    public void turnOnTopicMonitoring() {

        try {
            Connection connection = factory.newConnection();
            topicChannel = connection.createChannel();
            topicChannel.exchangeDeclare(SENSOR_EXCHANGE, "topic");
            String topChName = topicChannel.queueDeclare().getQueue();
            topicChannel.queueBind(topChName, SENSOR_EXCHANGE, BIND_KEY_ALL_SENSOR);
            topicChannel.basicConsume(topChName, true, topicConsumer);
            System.out.println("Topic Monitoring ---ON---");

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

    }

    public void turnOffTopicMonitoring() {
        try {
            topicChannel.close();
            System.out.println("Topic Monitoring ---OFF---");
        } catch (IOException ex) {
            Logger.getLogger(BrokerSubscriber.class.getName()).log(Level.SEVERE, null, ex);
        }

    }

    public BrokerSubscriber(String nodeDescription) {
        NODE_DESCRIPTER = nodeDescription;
        topicTree = new TopicTree(NODE_DESCRIPTER);
        factory = new ConnectionFactory();
        factory.setHost("localhost");
        turnOnTopicMonitoring();
        System.out.println("Subscriber up");

    }

    public BrokerSubscriber() {

    }

}