Example usage for com.rabbitmq.client DefaultConsumer DefaultConsumer

List of usage examples for com.rabbitmq.client DefaultConsumer DefaultConsumer

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Introduction

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

Prototype

public DefaultConsumer(Channel channel)

Source Link

Document

Constructs a new instance and records its association to the passed-in channel.

Usage

From source file:com.mycompany.javateste.queues.topic.ReceiveLogsTopic.java

public static void main(String[] argv) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(EXCHANGE_NAME, "topic");
    String queueName = channel.queueDeclare().getQueue();

    if (argv.length < 1) {
        System.err.println("Usage: ReceiveLogsTopic [binding_key]...");
        System.exit(1);/*www.  ja  v  a  2 s  .  c  om*/
    }

    for (String bindingKey : argv) {
        channel.queueBind(queueName, EXCHANGE_NAME, bindingKey);
    }

    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 '" + envelope.getRoutingKey() + "':'" + message + "'");
        }
    };
    channel.basicConsume(queueName, true, consumer);
}

From source file:com.mycompany.javateste.queues.worktasks.Worker.java

public static void main(String[] argv) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    final Connection connection = factory.newConnection();
    final Channel channel = connection.createChannel();

    channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    channel.basicQos(1);/* w w w.j a  va  2  s  . co  m*/

    final 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 + "'");
            try {
                doWork(message);
            } finally {
                System.out.println(" [x] Done");
                channel.basicAck(envelope.getDeliveryTag(), false);
            }
        }
    };
    channel.basicConsume(TASK_QUEUE_NAME, false, consumer);
}

From source file:com.mycompany.loanbroker.requestLoan.java

/**
 * Web service operation//w  ww .j  a  va2 s  .c  o m
 */
@WebMethod(operationName = "request")
public String request(@WebParam(name = "ssn") String ssn, @WebParam(name = "loanAmount") double loanAmount,
        @WebParam(name = "loanDuration") int loanDuration) throws IOException, InterruptedException {

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("Dreamteam");
    factory.setPassword("bastian");
    Connection connection = factory.newConnection();
    Channel sendingchannel = connection.createChannel();
    Channel listeningChannel = connection.createChannel();

    listeningChannel.exchangeDeclare(EXCHANGE, "direct");
    listeningChannel.queueDeclare(LISTENING_QUEUE_NAME, false, false, false, null);
    listeningChannel.queueBind(LISTENING_QUEUE_NAME, EXCHANGE, ssn.replace("-", ""));

    sendingchannel.queueDeclare(SENDING_QUEUE_NAME, false, false, false, null);

    message = ssn + "," + loanAmount + "," + loanDuration;

    sendingchannel.basicPublish("", SENDING_QUEUE_NAME, null, message.getBytes());

    sendingchannel.close();

    Consumer consumer = new DefaultConsumer(listeningChannel) {
        @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] The LoanBroker Has Received '" + message + "'");
            result = message;
        }
    };

    listeningChannel.basicConsume(LISTENING_QUEUE_NAME, true, consumer);
    //connection.close();

    return result;
}

From source file:com.mycompany.mavenproject1.RMQConsumer.java

License:Open Source License

/**
 * Returns the message at the top of a given queue without acknowledging it
 *
 * @return//from  w ww .j  a  va2  s .c  o m
 */
@SuppressWarnings({ "override", "null" })
public String getMessage(String queue) {

    message = "";

    createChannel(queue);
    Consumer consumer = null;

    if (channel.isOpen()) {
        consumer = new DefaultConsumer(channel) {
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                    byte[] body) throws IOException {

                message = new String(body, "UTF-8");
            }
        };
    } else {
        Logger.getLogger(RMQConsumer.class.getName()).log(Level.SEVERE, "channel.isopen was false!");
    }
    while (message.equals("")) {
        try {
            channel.basicConsume(queue, false, consumer);
        } catch (IOException ex) {
            Logger.getLogger(RMQConsumer.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    destroyChannel();
    return message;
}

From source file:com.mycompany.mavenproject1.RMQConsumer.java

License:Open Source License

/**
 * Returns and acknowledges the message at the top of a given queue
 *
 * @return/*w  ww.  jav  a2 s. c o  m*/
 */
@SuppressWarnings("override")
public String ackMessage(String queue) {

    //make sure message var is empty
    message = "";

    createChannel(queue);
    try {
        channel.basicQos(1);
    } catch (IOException ex) {
        Logger.getLogger(RMQConsumer.class.getName()).log(Level.SEVERE, null, ex);
    }

    final Consumer consumer = new DefaultConsumer(channel) {
        @Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            {
                message = new String(body, "UTF-8");

                channel.basicAck(envelope.getDeliveryTag(), false);
            }
        }
    };

    try {
        channel.basicConsume(queue, false, consumer);
    } catch (IOException ex) {
        Logger.getLogger(RMQConsumer.class.getName()).log(Level.SEVERE, null, ex);
    }
    while (message.equals("")) {

    }
    destroyChannel();
    return message;
}

From source file:com.mycompany.net.Run.java

/**
 * @param args the command line arguments
 * @throws java.io.IOException//from  w  w  w  .ja v  a  2  s  .co  m
 * @throws java.util.concurrent.TimeoutException
 */
public static void main(String[] args) throws IOException, TimeoutException {
    // TODO code application logic here

    JPA jpa = new JPA();
    jpa.initDB();

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

    channel.exchangeDeclare("sensors", "topic"); // sensors is the name of the exchange
    AMQP.Queue.DeclareOk result = channel.queueDeclare("", false, true, false, null);
    String queuename = result.getQueue();
    //bind to sensor info
    channel.queueBind(queuename, "sensors", "gateway.data"); // Binding key is #, this will consume all messages

    //bind to the dashboard
    channel.queueBind(queuename, "sensors", "dashboard.request");

    //bind to Processing units output
    channel.queueBind(queuename, "sensors", "database.put");

    logger.info(" [*] 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 {

            try {
                String message = new String(body, "UTF-8");
                Gson gson = new Gson();
                Type type = new TypeToken<Map<String, String>>() {
                }.getType();
                Map<String, String> myMap = gson.fromJson(message, type);
                logger.info(" [x] " + envelope.getRoutingKey() + " - Received '" + message + "'");

                String routing_key = envelope.getRoutingKey();
                if ("gateway.data".equals(routing_key)) {
                    jpa.saveRawToDB(myMap);
                } else if ("database.put".equals(routing_key)) {
                    jpa.saveAlertToDB(myMap);
                } else if ("dashboard.request".equals(routing_key)) {
                    Thread.sleep(1000);
                    jpa.processRequest(myMap, channel);
                } else
                    logger.error("NOT A VALID MESSAGE!");

            } catch (Exception e) {
                logger.error(e.toString());
            }

        }
    };

    channel.basicConsume(queuename, true, consumer);

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

    //entityManager.close();
    //entityManagerFactory.close();

}

From source file:com.mycompany.normalizer.Normalizer.java

public static void main(String[] argv) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("Dreamteam");
    factory.setPassword("bastian");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    final Channel sendingChannel = connection.createChannel();

    channel.queueDeclare(QUEUE_NAME, false, false, false, null);

    sendingChannel.exchangeDeclare(SENDING_QUEUE_NAME, "fanout");
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    Consumer consumer = new DefaultConsumer(channel) {
        @Override//from w  w  w  .  j  a  v a 2s .  c  o  m
        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 + "'");

            //HANDLE HERE
            if (message.startsWith("{")) {
                // Transform with GSON

                schoolBank = message.contains("-");

                if (!schoolBank) {
                    message = message.replace("-", "");
                    JResponse jresponse = gson.fromJson(message, JResponse.class);
                    jresponse.setBank("cphbusiness.bankJSON");
                    message = gson.toJson(jresponse);

                } else {
                    message = message.replace("-", "");
                    JResponse jresponse = gson.fromJson(message, JResponse.class);
                    jresponse.setBank("DreamTeamBankJSON");
                    message = gson.toJson(jresponse);
                }

                sendingChannel.basicPublish(SENDING_QUEUE_NAME, "", null, message.getBytes());

            } else {

                schoolBank = message.contains("-");
                String result = "";

                if (!schoolBank) {
                    message = message.replace("-", "");
                    JSONObject soapDatainJsonObject = XML.toJSONObject(message);

                    result = gson.toJson(soapDatainJsonObject);
                    result = result.replace("{\"map\":{\"LoanResponse\":{\"map\":", "");
                    result = result.replace("}}}", "");

                    JResponse jresponse = gson.fromJson(result, JResponse.class);
                    jresponse.setBank("cphbusiness.bankXML");
                    result = gson.toJson(jresponse);

                } else {
                    message = message.replace("-", "");
                    JSONObject soapDatainJsonObject = XML.toJSONObject(message);

                    result = gson.toJson(soapDatainJsonObject);
                    result = result.replace("{\"map\":{\"LoanResponse\":{\"map\":", "");
                    result = result.replace("}}}", "");

                    JResponse jresponse = gson.fromJson(result, JResponse.class);
                    jresponse.setBank("DreamTeamBankXML");

                    result = gson.toJson(jresponse);
                }

                //  XResponse response = gson.fromJson(soapDatainJsonObject, XResponse.class);
                sendingChannel.basicPublish(SENDING_QUEUE_NAME, "", null, result.getBytes());

            }

        }
    };
    channel.basicConsume(QUEUE_NAME, true, consumer);
}

From source file:com.mycompany.receiptlist.ReceiptList.java

public static void main(String[] argv) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("Dreamteam");
    factory.setPassword("bastian");
    Connection connection = factory.newConnection();
    Channel listeningChannel = connection.createChannel();
    final Channel sendingChannel = connection.createChannel();

    listeningChannel.queueDeclare(QUEUE_NAME, false, false, false, null);
    sendingChannel.exchangeDeclare(EXCHANGE_NAME, "direct");
    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");

    Consumer consumer = new DefaultConsumer(listeningChannel) {
        @Override//from   w  w w  .  j  a va 2 s .c o  m
        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 + "'");

            String[] arr = message.split(",");

            for (int i = 0; i < arr.length; i++) {
                switch (arr[i]) {
                case "DreamTeamXMLQueue":
                    sendingChannel.basicPublish(EXCHANGE_NAME, "DreamTeamBankXML", null, message.getBytes());
                    break;
                case "DreamTeamJSONQueue":
                    sendingChannel.basicPublish(EXCHANGE_NAME, "DreamTeamBankJSON", null, message.getBytes());
                    break;
                case "cphbusiness.bankXML":
                    sendingChannel.basicPublish(EXCHANGE_NAME, "CphBusinessXML", null, message.getBytes());
                    break;
                case "cphbusiness.bankJSON":
                    sendingChannel.basicPublish(EXCHANGE_NAME, "CphBusinessJSON", null, message.getBytes());
                    break;

                }
            }
        }
    };

    listeningChannel.basicConsume(QUEUE_NAME, true, consumer);
}

From source file:com.netcore.hsmart.dlrconsumers.DlrConsumer1000.java

/**
 * @param args the command line arguments
 * @throws java.lang.Exception//from  w w  w .j a v  a  2s . c o  m
 */
public static void main(String[] args) throws Exception {

    /**
     * Set properties at runtime
     */
    System.setProperty("dlrconsumer_logfile", "557_dlr_consumer.log");
    AppConstants.loadAppConfig();

    final String queueName = AppConstants.getDlrReceiverQueuePrefix() + GATEWAY_ID;
    final String exchangeName = AppConstants.getDlrReceiverExchangeName();
    final String routingKey = GATEWAY_ID;

    Logger logger = LoggerFactory.getLogger(DlrConsumer1000.class);

    try {

        Connection connection = AppConstants.getRabbitMqObject().newConnection();

        connection.addShutdownListener(new ShutdownListener() {
            @Override
            public void shutdownCompleted(ShutdownSignalException cause) {
                //throw new UnsupportedOperationException("Not supported yet.");
                if (cause.isHardError()) {
                    Connection conn;
                    conn = (Connection) cause.getReference();
                    if (!cause.isInitiatedByApplication()) {
                        Method reason = cause.getReason();
                        logger.info("REASON:" + reason.toString());
                    }

                } else {
                    Channel ch = (Channel) cause.getReference();
                    logger.info("NO HARDSHUTDOWN");
                }
            }
        });

        Channel channel = connection.createChannel();

        channel.exchangeDeclare(exchangeName, "direct");
        channel.queueDeclare(queueName, true, false, false, null);
        channel.queueBind(queueName, exchangeName, routingKey);
        channel.basicQos(1000);
        //channel.addShutdownListener(listener);
        logger.info(" [*] Waiting for messages from gateway " + GATEWAY_ID + ". To exit press CTRL+C");

        Consumer consumer;

        consumer = new DefaultConsumer(channel) {
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                    byte[] body) throws IOException {

                Map<String, String> dataToPost = new HashMap<>();
                String payload = new String(body, "UTF-8");

                logger.info("REF_ID:" + dataToPost.get("ref_id") + "|START+++++++++++++++");
                logger.info("REF_ID:" + dataToPost.get("ref_id") + "|PAYLOAD:" + payload);

                String payloadParts[] = payload.split(AppConstants.getPayloadGroupSeparator());

                for (String payloadPart : payloadParts) {
                    String s[] = payloadPart.split(AppConstants.getPayloadKVSeparator());

                    //check if any parameter is empty
                    if (s.length == 2) {
                        dataToPost.put(s[0], s[1]);
                    } else {
                        logger.info("REF_ID:" + dataToPost.get("ref_id") + "|EMPTY_PARAM:" + s[0]);
                        dataToPost.put(s[0], null);
                    }
                }

                long deliveryTag = envelope.getDeliveryTag();

                if (invokeApiCall(dataToPost)) {
                    channel.basicAck(deliveryTag, false);

                } else {
                    channel.basicNack(deliveryTag, false, true);
                }

                /**
                 * release memory
                 */
                logger.info("REF_ID:" + dataToPost.get("ref_id") + "|END-----------------");
                dataToPost.clear();
                payloadParts = null;

            }
        };

        String cTag = channel.basicConsume(queueName, false, consumer);
        logger.info("CONSUMER TAG : " + cTag);

    } catch (IOException | TimeoutException e) {
        logger.error("RMQ_ERROR:" + e.getMessage());
    }
}

From source file:com.netcore.hsmart.smsconsumers.SmsConsumer1000.java

/**
 * @param args the command line arguments
 * @throws java.lang.Exception/* www. jav  a  2  s  .c  o  m*/
 */
public static void main(String[] args) throws Exception {

    /**
     * Set properties at runtime
     */
    System.setProperty("smsconsumer_logfile", GATEWAY_ID + "_sms_consumer.log");
    AppConstants.loadAppConfig();

    final String queueName = AppConstants.getSmsReceiverQueuePrefix() + GATEWAY_ID;
    final String exchangeName = AppConstants.getSmsReceiverExchangeName();
    final String routingKey = GATEWAY_ID;

    Logger logger = LoggerFactory.getLogger(SmsConsumer1000.class);

    try {

        Connection connection = AppConstants.getRabbitMqObject().newConnection();

        connection.addShutdownListener(new ShutdownListener() {
            @Override
            public void shutdownCompleted(ShutdownSignalException cause) {
                //throw new UnsupportedOperationException("Not supported yet.");
                if (cause.isHardError()) {
                    Connection conn;
                    conn = (Connection) cause.getReference();
                    if (!cause.isInitiatedByApplication()) {
                        Method reason = cause.getReason();
                        logger.info("REASON:" + reason.toString());
                    }

                } else {
                    Channel ch = (Channel) cause.getReference();
                    logger.info("NO HARDSHUTDOWN");
                }
            }
        });

        Channel channel = connection.createChannel();

        channel.exchangeDeclare(exchangeName, "direct");
        channel.queueDeclare(queueName, true, false, false, null);
        channel.queueBind(queueName, exchangeName, routingKey);
        channel.basicQos(1000);
        //channel.addShutdownListener(listener);
        logger.info(" [*] Waiting for messages from gateway " + GATEWAY_ID + ". To exit press CTRL+C");

        Consumer consumer;

        consumer = new DefaultConsumer(channel) {
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                    byte[] body) throws IOException {

                Map<String, String> dataToPost = new HashMap<>();
                String payload = new String(body, "UTF-8");

                String payloadParts[] = payload.split(AppConstants.getPayloadGroupSeparator());

                for (String payloadPart : payloadParts) {
                    String s[] = payloadPart.split(AppConstants.getPayloadKVSeparator());
                    dataToPost.put(s[0], s[1]);
                }
                logger.info("REF_ID:" + dataToPost.get("ref_id") + "|START+++++++++++++++");
                logger.info("REF_ID:" + dataToPost.get("ref_id") + "|PAYLOAD:" + payload);

                long deliveryTag = envelope.getDeliveryTag();

                if (invokeApiCall(dataToPost)) {
                    if (saveRequestData()) {

                        channel.basicAck(deliveryTag, false);
                    } else {
                        channel.basicNack(deliveryTag, false, true);
                    }

                } else {
                    channel.basicNack(deliveryTag, false, true);
                }

                /**
                 * release memory
                 */
                logger.info("REF_ID:" + dataToPost.get("ref_id") + "|END-----------------");
                API_CALL_STATS.clear();
                dataToPost.clear();
                payloadParts = null;

            }
        };

        String cTag = channel.basicConsume(queueName, false, consumer);
        logger.info("CONSUMER TAG : " + cTag);

    } catch (IOException | TimeoutException e) {
        logger.error("RMQ_ERROR:" + e.getMessage());
    }
}