loanbroker.GetCreditScore.java Source code

Introduction

Here is the source code for loanbroker.GetCreditScore.java

Source

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package loanbroker;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.QueueingConsumer;
import config.ExchangeName;
import config.RoutingKeys;
import entity.Message;
import java.io.IOException;
import java.util.concurrent.TimeoutException;

/**
 *
 * @author Joachim
 */
public class GetCreditScore {
    private static final String hostName = "datdb.cphbusiness.dk";

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws TimeoutException, Exception {
        // TODO code application logic here
        GetCreditScore g = new GetCreditScore();
        g.recive();

    }

    private static int creditScore(java.lang.String ssn) {
        org.bank.credit.web.service.CreditScoreService_Service service = new org.bank.credit.web.service.CreditScoreService_Service();
        org.bank.credit.web.service.CreditScoreService port = service.getCreditScoreServicePort();
        return port.creditScore(ssn);
    }

    void recive() throws IOException, TimeoutException, InterruptedException, Exception {
        //setting the connection to the RabbitMQ server
        ConnectionFactory connfac = new ConnectionFactory();
        connfac.setHost(hostName);
        connfac.setUsername("student");
        connfac.setPassword("cph");

        //make the connection
        Connection conn = connfac.newConnection();
        //make the channel for messaging
        Channel chan = conn.createChannel();

        //Declare a queue
        chan.exchangeDeclare(ExchangeName.OUTPUT_LOAN_REQUEST, "fanout");
        String queueName = chan.queueDeclare().getQueue();
        chan.queueBind(queueName, ExchangeName.OUTPUT_LOAN_REQUEST, "");

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

        QueueingConsumer consumer = new QueueingConsumer(chan);
        chan.basicConsume(queueName, true, consumer);

        //start polling messages
        while (true) {
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            String m = new String(delivery.getBody());
            System.out.println(" [x] Received '" + m + "'");
            Gson gson = new GsonBuilder().create();
            Message fm = gson.fromJson(m, Message.class);
            int creditScore = creditScore(fm.getSsn());
            fm.setCreditScore(creditScore);
            fm.setSsn(fm.getSsn().replace("-", ""));
            send(fm);

        }

    }

    public void send(entity.Message creditScoreMessage) throws IOException, TimeoutException, Exception {
        ConnectionFactory connfac = new ConnectionFactory();
        connfac.setHost(hostName);
        connfac.setPort(5672);
        connfac.setUsername("student");
        connfac.setPassword("cph");
        Gson gson = new GsonBuilder().create();

        String fm = gson.toJson(creditScoreMessage);

        Connection connection = connfac.newConnection();
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(ExchangeName.OUTPUT_GET_CREDITSCORE, "fanout");
        channel.basicPublish(ExchangeName.OUTPUT_GET_CREDITSCORE, "", null, fm.getBytes());

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

        channel.close();
        connection.close();

    }
}