com.preferya.facadesmsgatewayrouter.utils.RabbitMQUtils.java Source code

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package com.preferya.facadesmsgatewayrouter.utils;

import com.preferya.facadesmsgatewayrouter.models.*;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.MessageProperties;
import com.rabbitmq.client.QueueingConsumer;
import java.io.IOException;

/**
 *
 * @author Sergio
 */
public class RabbitMQUtils {

    //private static final String TASK_QUEUE_NAME = "internalQueue";

    private String task_queue_name;

    private ConnectionFactory factory;
    private Connection connection;
    private Channel channel;
    private QueueingConsumer consumer;

    /*public RabbitMQUtils() throws IOException{
    this.factory = new ConnectionFactory();
    this.factory.setHost("localhost");
    this.connection = this.factory.newConnection();
    this.channel = this.connection.createChannel();
        
    //this.channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);
    this.channel.queueDeclare(task_queue_name, true, false, false, null);
        
    }*/

    public RabbitMQUtils(String countryCode) throws IOException {
        this.task_queue_name = countryCode;

        this.factory = new ConnectionFactory();
        this.factory.setHost("localhost");
        this.connection = this.factory.newConnection();
        this.channel = this.connection.createChannel();

        //this.channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);
        this.channel.queueDeclare(task_queue_name, true, false, false, null);

        this.channel.basicQos(1);

        this.consumer = new QueueingConsumer(channel);
        this.channel.basicConsume(task_queue_name, false, consumer);

    }

    //This method closes the channel and the connection.
    public void closeConnection() throws IOException {
        this.channel.close();
        this.connection.close();
    }

    public String reciveMessage() throws InterruptedException, IOException {
        String _ret;
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        _ret = new String(delivery.getBody());
        this.channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
        return _ret;
    }

    /*public void sendMessage(MessageEntity message) throws IOException {
    String _sndMess = message.toString();
    channel.basicPublish( "", task_queue_name, MessageProperties.PERSISTENT_TEXT_PLAIN, _sndMess.getBytes());
    //channel.basicPublish( "", TASK_QUEUE_NAME, MessageProperties.PERSISTENT_TEXT_PLAIN, _sndMess.getBytes());
    }*/

}