Example usage for com.rabbitmq.client ConnectionFactory newConnection

List of usage examples for com.rabbitmq.client ConnectionFactory newConnection

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Introduction

In this page you can find the example usage for com.rabbitmq.client ConnectionFactory newConnection.

Prototype

public Connection newConnection() throws IOException, TimeoutException

Source Link

Document

Create a new broker connection.

Usage

From source file:com.es.sensorgateway.Publish.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from w w  w .  ja  v a  2  s  .c  om*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException, UnknownHostException {

    response.setContentType("text/html;charset=UTF-8");

    try (PrintWriter out = response.getWriter()) {
        /* TODO output your page here. You may use following sample code. */

        logger.info("Connection with rabbit Mq stablish!");

        byte[] original;
        String message = null;
        try {
            message = request.getParameter("data");
            original = Base64.getUrlDecoder().decode(message);
        } catch (Exception ex) {
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            response.getWriter().write(HttpServletResponse.SC_BAD_REQUEST);
            logger.debug("Ignoring message: " + message);
            return;
        }

        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("systembus"); // RabbitMQ IP
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();

        //POR aqui as cenas de autenticao
        response.setStatus(HttpServletResponse.SC_OK);
        response.getWriter().write(HttpServletResponse.SC_OK);
        logger.info("Received request from REST gateway!");

        channel.exchangeDeclare("sensors", "topic", false);
        channel.basicPublish("sensors", "realtime.sensordata", null, original);
        logger.info("Message sent to broker: " + message);

        channel.close();
        connection.close();
        logger.info("Connection with rabbit Mq closed!");

    } catch (TimeoutException ex) {
        logger.error(ex);
    }
}

From source file:com.espertech.esperio.amqp.AMQPSink.java

License:Open Source License

public void open(DataFlowOpOpenContext openContext) {
    log.info("Opening AMQP, settings are: " + settings.toString());

    try {/*from w w  w.j  av a 2 s . c om*/
        final ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setHost(settings.getHost());
        if (settings.getPort() > -1) {
            connectionFactory.setPort(settings.getPort());
        }
        if (settings.getUsername() != null) {
            connectionFactory.setUsername(settings.getUsername());
        }
        if (settings.getPassword() != null) {
            connectionFactory.setPassword(settings.getPassword());
        }
        if (settings.getVhost() != null) {
            connectionFactory.setVirtualHost(settings.getVhost());
        }

        connection = connectionFactory.newConnection();
        channel = connection.createChannel();

        if (settings.getExchange() != null) {
            channel.exchangeDeclarePassive(settings.getExchange());
        }

        final AMQP.Queue.DeclareOk queue;
        if (settings.getQueueName() == null || settings.getQueueName().trim().length() == 0) {
            queue = channel.queueDeclare();
        } else {
            // java.lang.String queue,boolean durable,boolean exclusive,boolean autoDelete,java.util.Map<java.lang.String,java.lang.Object> arguments) throws java.io.IOException
            queue = channel.queueDeclare(settings.getQueueName(), settings.isDeclareDurable(),
                    settings.isDeclareExclusive(), settings.isDeclareAutoDelete(),
                    settings.getDeclareAdditionalArgs());
        }
        if (settings.getExchange() != null && settings.getRoutingKey() != null) {
            channel.queueBind(queue.getQueue(), settings.getExchange(), settings.getRoutingKey());
        }

        final String queueName = queue.getQueue();
        log.info("AMQP producing queue is " + queueName + (settings.isLogMessages() ? " with logging" : ""));
    } catch (IOException e) {
        String message = "AMQP setup failed: " + e.getMessage();
        log.error(message, e);
        throw new RuntimeException(message, e);
    }
}

From source file:com.espertech.esperio.amqp.AMQPSource.java

License:Open Source License

public void open(DataFlowOpOpenContext openContext) {
    log.info("Opening AMQP, settings are: " + settings.toString());

    try {//from w ww . j  ava 2s .  co m
        final ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setHost(settings.getHost());
        if (settings.getPort() > -1) {
            connectionFactory.setPort(settings.getPort());
        }
        if (settings.getUsername() != null) {
            connectionFactory.setUsername(settings.getUsername());
        }
        if (settings.getPassword() != null) {
            connectionFactory.setPassword(settings.getPassword());
        }
        if (settings.getVhost() != null) {
            connectionFactory.setVirtualHost(settings.getVhost());
        }

        connection = connectionFactory.newConnection();
        channel = connection.createChannel();

        channel.basicQos(settings.getPrefetchCount());
        if (settings.getExchange() != null) {
            channel.exchangeDeclarePassive(settings.getExchange());
        }

        final AMQP.Queue.DeclareOk queue;
        if (settings.getQueueName() == null || settings.getQueueName().trim().length() == 0) {
            queue = channel.queueDeclare();
        } else {
            // java.lang.String queue,boolean durable,boolean exclusive,boolean autoDelete,java.util.Map<java.lang.String,java.lang.Object> arguments) throws java.io.IOException
            queue = channel.queueDeclare(settings.getQueueName(), settings.isDeclareDurable(),
                    settings.isDeclareExclusive(), settings.isDeclareAutoDelete(),
                    settings.getDeclareAdditionalArgs());
        }
        if (settings.getExchange() != null && settings.getRoutingKey() != null) {
            channel.queueBind(queue.getQueue(), settings.getExchange(), settings.getRoutingKey());
        }

        final String queueName = queue.getQueue();
        log.info("AMQP consuming queue " + queueName + (settings.isLogMessages() ? " with logging" : ""));

        consumer = new QueueingConsumer(channel);
        consumerTag = channel.basicConsume(queueName, settings.isConsumeAutoAck(), consumer);
    } catch (IOException e) {
        String message = "AMQP source setup failed: " + e.getMessage();
        log.error(message, e);
        throw new EPException(message, e);
    }
}

From source file:com.espertech.esperio.amqp.AMQPSupportReceiveRunnable.java

License:Open Source License

public void run() {
    try {//  w  w w. j  a v a2 s.com
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(hostName);
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();

        // java.lang.String queue, boolean durable, boolean exclusive, boolean autoDelete, java.util.Map<java.lang.String,java.lang.Object> arguments
        channel.queueDeclare(queueName, false, false, true, null);

        log.info("Start receiving messages");

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

        int count = 0;
        while (true) {
            final QueueingConsumer.Delivery msg = consumer.nextDelivery(waitMSecNextMsg);
            if (msg == null) {
                continue;
            }
            final byte[] bytes = msg.getBody();
            callback.handleMessage(bytes);

            if (isShutdown()) {
                break;
            }
        }

        log.info("Completed publishing messages: " + count + " messages");
    } catch (Exception ex) {
        log.error("Error attaching to AMQP: " + ex.getMessage(), ex);
    }
}

From source file:com.espertech.esperio.amqp.AMQPSupportSendRunnable.java

License:Open Source License

public void run() {
    try {// w w  w . j  a v  a 2s .  c om
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(hostName);
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();

        // java.lang.String queue, boolean durable, boolean exclusive, boolean autoDelete, java.util.Map<java.lang.String,java.lang.Object> arguments
        channel.queueDeclare(queueName, false, false, true, null);

        log.info("Start publishing messages: " + events.size() + " messages");

        int count = 0;
        while (true) {
            if (events.isEmpty()) {
                break;
            }

            Object next = events.remove(0);
            byte[] bytes = SerializerUtil.objectToByteArr(next);
            channel.basicPublish("", queueName, null, bytes);
            count++;

            log.info("Publishing message #" + count + ": " + next);
            Thread.sleep(msecSleepTime);

            if (isShutdown()) {
                break;
            }
        }

        log.info("Completed publishing messages: " + count + " messages");
    } catch (Exception ex) {
        log.error("Error attaching to AMQP: " + ex.getMessage(), ex);
    }
}

From source file:com.espertech.esperio.amqp.AMQPSupportUtil.java

License:Open Source License

public static int drainQueue(String hostName, String queueName) {
    Connection connection = null;
    Channel channel = null;/*ww  w.  j  a  v  a 2s  .co m*/

    try {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(hostName);
        connection = factory.newConnection();
        channel = connection.createChannel();

        // java.lang.String queue, boolean durable, boolean exclusive, boolean autoDelete, java.util.Map<java.lang.String,java.lang.Object> arguments
        channel.queueDeclare(queueName, false, false, true, null);

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

        int count = 0;
        while (true) {
            final QueueingConsumer.Delivery msg = consumer.nextDelivery(1);
            if (msg == null) {
                return count;
            }
        }
    } catch (Exception ex) {
        log.error("Error attaching to AMQP: " + ex.getMessage(), ex);
    } finally {
        if (channel != null) {
            try {
                channel.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (connection != null) {
            try {
                connection.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return -1;
}

From source file:com.esri.geoevent.test.performance.rabbitmq.RabbitMQEventConsumer.java

License:Apache License

@Override
public void init(Config config) throws TestException {
    super.init(config);

    uri = config.getPropertyValue("uri");
    exchangeName = config.getPropertyValue("exchangeName");
    queueName = config.getPropertyValue("queueName");
    routingKey = config.getPropertyValue("routingKey");

    if (uri == null) {
        throw new TestException("RabbitMQ event consumer ERROR: 'uri' property must be specified");
    }/* w  w  w.j  ava  2  s .  co  m*/
    if (exchangeName == null) {
        throw new TestException("RabbitMQ event consumer ERROR: 'exchangeName' property must be specified");
    }
    if (queueName == null) {
        throw new TestException("RabbitMQ event consumer ERROR: 'queueName' property must be specified");
    }

    try {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setUri(uri);
        connection = factory.newConnection();
        channel = connection.createChannel();
        channel.queueDeclare(queueName, false, false, true, null);
        channel.queueBind(queueName, exchangeName, routingKey);
        // channel.basicQos(1);
        consumer = new QueueingConsumer(channel);
        channel.basicConsume(queueName, true, consumer);
    } catch (Exception error) {
        throw new TestException(
                ImplMessages.getMessage("INIT_FAILURE", getClass().getName(), error.getMessage()), error);
    }
}

From source file:com.esri.geoevent.test.performance.rabbitmq.RabbitMQEventProducer.java

License:Apache License

@Override
public void init(Config config) throws TestException {
    super.init(config);

    uri = config.getPropertyValue("uri");
    exchangeName = config.getPropertyValue("exchangeName");
    queueName = config.getPropertyValue("queueName");
    routingKey = config.getPropertyValue("routingKey");

    if (uri == null) {
        throw new TestException("RabbitMQ event producer ERROR: 'uri' property must be specified");
    }/*w  w w . j a  v  a 2 s . com*/
    if (exchangeName == null) {
        throw new TestException("RabbitMQ event producer ERROR: 'exchangeName' property must be specified");
    }
    if (queueName == null) {
        throw new TestException("RabbitMQ event producer ERROR: 'queueName' property must be specified");
    }

    try {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setUri(uri);
        connection = factory.newConnection();
        channel = connection.createChannel();
        channel.queueDeclare(queueName, false, false, true, null);
        channel.queueBind(queueName, exchangeName, routingKey);
    } catch (Exception error) {
        throw new TestException(
                ImplMessages.getMessage("INIT_FAILURE", getClass().getName(), error.getMessage()), error);
    }
}

From source file:com.eventbook.controller.SpringbootPocController.java

@RequestMapping(value = "/rabbitMQSendTest", method = RequestMethod.GET)
public String rabbitMQSendTest(@RequestParam(value = "message", defaultValue = "Hello World!") String message) {
    try {/*from w  w w . ja v a 2  s .co  m*/
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("rabbitmq");
        factory.setPort(5672);
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        channel.queueDeclare(QUEUE_NAME, false, false, false, null);
        channel.basicPublish("", QUEUE_NAME, null, message.getBytes("UTF-8"));
        System.out.println(" [x] Sent '" + message + "'");

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

        return "rabbitMQSendTest Sent: " + message;
    } catch (IOException | TimeoutException ex) {
        Logger.getLogger(SpringbootPocController.class.getName()).log(Level.SEVERE, null, ex);
    }

    return "rabbitMQSendTest has been failed!!!";
}

From source file:com.eventbook.controller.SpringbootPocController.java

@RequestMapping(value = "/rabbitMQReceiveTest", method = RequestMethod.GET)
public String rabbitMQReceiveTest() {
    try {//www  .  j a v a 2 s .  c o  m
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("rabbitmq");
        factory.setPort(5672);
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        channel.queueDeclare(QUEUE_NAME, false, false, false, null);
        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(QUEUE_NAME, true, consumer);

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

    return "Getting messages from RabbitMQ!!";
}