Example usage for com.rabbitmq.client DefaultConsumer DefaultConsumer

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.ericsson.research.IoTFrameworkEndpoint.java

License:Open Source License

public void subscribe(String hostName, String StreamId, final DataPointCallback dataPointCallback)
        throws IOException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(hostName); // listening on port 5672

    Connection connection = factory.newConnection();

    final Channel channel = connection.createChannel();
    final String EXCHANGE_NAME = "streams." + StreamId;

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

    dataPointCallback.setConnection(connection);

    boolean autoAck = true;
    channel.basicConsume(queueName, autoAck, "myConsumerTag", new DefaultConsumer(channel) {
        @Override//from ww  w  . java2  s .c o m
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            DataPointNotification notification = gson.fromJson(new String(body), DataPointNotification.class);
            dataPointCallback.handleNotification(notification);
        }
    });
}

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From source file:com.es.dashboard.ConnectionBroker.java

@PostConstruct
public void init() {

    bigBaite = new LinkedList<>();
    readings = new ArrayList<Reading>();
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("systembus"); // RabbitMQ IP
    Connection connection = null;
    try {/*from   www.ja va  2  s  .co m*/
        connection = factory.newConnection();
    } catch (IOException ex) {
        logger.error(ex);
    } catch (TimeoutException ex) {
        logger.error(ex);
    }
    Channel channel = null;
    try {
        channel = connection.createChannel();
    } catch (IOException ex) {
        logger.error(ex);
    }

    try {
        channel.exchangeDeclare("sensors", "topic"); // sensors is the name of the exchange
    } catch (IOException ex) {
        logger.error(ex);
    }
    AMQP.Queue.DeclareOk result = null;
    try {
        result = channel.queueDeclare("", false, true, false, null);
    } catch (IOException ex) {
        logger.error(ex);
    }
    String queuename = result.getQueue();
    try {
        channel.queueBind(queuename, "sensors", "realtime.sensordata"); // Binding key is #, this will consume all messages
        channel.queueBind(queuename, "sensors", "realtime.alarms"); // Binding key is #, this will consume all messages
    } catch (IOException ex) {
        logger.error(ex);
    }

    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 {
            String message = new String(body, "UTF-8");
            EventBus eventBus = EventBusFactory.getDefault().eventBus();
            Gson gson = new Gson();
            Type type = new TypeToken<Map<String, String>>() {
            }.getType();
            Map<String, String> myMap = gson.fromJson(message, type);
            if (envelope.getRoutingKey().equals("realtime.alarms")) {
                eventBus.publish("/channel", message);
                return;
            }
            logger.info(envelope.getRoutingKey());

            readings.add(new Reading(new Date(Long.parseLong(myMap.get("timestamp"))), myMap.get("data"),
                    myMap.get("name"), myMap.get("room")));
            eventBus.publish("/channel", message);

        }
    };
    try {
        //RequestContext.getCurrentInstance().execute("function rpt() {$(\".qualquer\").first().trigger(\"click\")}"
        //        + "var timeoutdummy = window.setInterval(rpt,2000);");
        channel.basicConsume(queuename, true, consumer);
    } catch (IOException ex) {
        ex.printStackTrace();
        logger.error(ex);
    }

}

---

From source file:com.es.dashboard.ConnectionBrokerJPA.java

@PostConstruct
public void init() {
    bigBaite = new LinkedList<>();
    readings = new ArrayList<Reading>();
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("systembus"); // RabbitMQ IP
    Connection connection = null;
    try {//from ww  w. ja va 2s .  co  m
        connection = factory.newConnection();
    } catch (IOException ex) {
        logger.error(ex);
    } catch (TimeoutException ex) {
        logger.error(ex);
    }
    Channel channel = null;
    try {
        channel = connection.createChannel();
    } catch (IOException ex) {
        logger.error(ex);
    }

    try {
        channel.exchangeDeclare("sensors", "topic"); // sensors is the name of the exchange
    } catch (IOException ex) {
        logger.error(ex);
    }
    AMQP.Queue.DeclareOk result = null;
    try {
        result = channel.queueDeclare("", false, true, false, null);
    } catch (IOException ex) {
        logger.error(ex);
    }
    String queuename = result.getQueue();
    try {
        channel.queueBind(queuename, "sensors", "dashboard.response"); // Binding key is #, this will consume all messages
    } catch (IOException ex) {
        logger.error(ex);
    }

    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 {
            String message = new String(body, "UTF-8");

            EventBus eventBus = EventBusFactory.getDefault().eventBus();
            Gson gson = new Gson();
            Type type = new TypeToken<Map<String, String>>() {
            }.getType();
            Map<String, String> myMap = gson.fromJson(message, type);
            if (envelope.getRoutingKey().equals("realtime.alarms")) {
                eventBus.publish("/jpa", message);
                return;
            }
            System.out.println(envelope.getRoutingKey());
            logger.info(envelope.getRoutingKey());

            //readings.add(new Reading(new Date(Long.parseLong(myMap.get("timestamp"))), myMap.get("value"), myMap.get("name"), myMap.get("room")));
            //System.out.println("publishing " + msg_to_publish);
            eventBus.publish("/jpa", message);
            //System.out.println("published");

        }
    };
    try {
        //RequestContext.getCurrentInstance().execute("function rpt() {$(\".qualquer\").first().trigger(\"click\")}"
        //        + "var timeoutdummy = window.setInterval(rpt,2000);");
        channel.basicConsume(queuename, true, consumer);
    } catch (IOException ex) {
        ex.printStackTrace();
        logger.error(ex);
    }

}

---

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

@RequestMapping(value = "/rabbitMQReceiveTest", method = RequestMethod.GET)
public String rabbitMQReceiveTest() {
    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);
        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!!";
}

---

From source file:com.frannciscocabral.ufs.rabbitmq.Receiver.java

public static void main(String[] argv)
        throws java.io.IOException, java.lang.InterruptedException, TimeoutException {

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    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/*from   w w w .  java 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 + "'");
        }
    };
    channel.basicConsume(QUEUE_NAME, true, consumer);
}

---

From source file:com.github.hexsmith.rabbitmq.consumer.MessageConsumer.java

License:Open Source License

public boolean consume(String queueName) {
    //RabbitMQ//from w w  w .j a v a 2  s.c o  m
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("127.0.0.1");
    Connection connection = null;
    Channel channel = null;
    try {
        connection = factory.newConnection();
        channel = connection.createChannel();
        //queue??queue
        //?queueDeclare???queue
        channel.queueDeclare(queueName, false, false, false, null);

        //?DefaultConsumerhandleDelivery???getByte()???String
        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");
                logger.info("Received '" + message + "'");
            }
        };
        //??
        channel.basicConsume(queueName, true, consumer);

        //???rabbitMQ

    } catch (IOException | TimeoutException e) {
        //?false
        logger.error("send message failed!", e);
        return false;
    }

    return true;
}

---

From source file:com.github.hexsmith.rabbitmq.consumer.MultiMessageConsumer.java

License:Open Source License

public boolean consume(String queueName, String consumerName) {
    //RabbitMQ/*  w ww .j a v  a 2s. c  o m*/
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("127.0.0.1");
    Connection connection = null;
    Channel channel = null;
    try {
        connection = factory.newConnection();
        channel = connection.createChannel();
        //queue??queue
        //?queueDeclare???queue
        channel.queueDeclare(queueName, false, false, false, null);

        //?DefaultConsumerhandleDelivery???getByte()???String
        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");
                logger.info("[{}]" + "Received '" + message + "'", consumerName);
            }
        };
        //??
        channel.basicConsume(queueName, true, consumer);

        //???rabbitMQ

    } catch (IOException | TimeoutException e) {
        //?false
        logger.error("send message failed!", e);
        return false;
    }

    return true;
}

---

From source file:com.groupx.recipientlist.test.TranslatorMock.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, "fanout");
    String queueName = channel.queueDeclare().getQueue();
    channel.queueBind(queueName, EXCHANGE_NAME, "");

    System.out.println(" [*] Waiting for messages. To exit press X+ENTER");

    Consumer consumer = new DefaultConsumer(channel) {
        @Override/*from   www  . ja  v  a 2  s .  com*/
        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(queueName, true, consumer);
    try {
        Scanner in = new Scanner(System.in);
        String input = in.next();
        if ("x".equals(input)) {
            System.exit(0);
        }
    } catch (Exception e) {

    }
}

---

From source file:com.kurento.kmf.rabbitmq.RabbitTemplate.java

License:Apache License

protected Message doSendAndReceiveWithTemporary(final String exchange, final String routingKey,
        final Message message) {
    return this.execute(new ChannelCallback<Message>() {

        @Override/*from  ww w  .  ja v a2  s. c o m*/
        public Message doInRabbit(Channel channel) throws Exception {
            final ArrayBlockingQueue<Message> replyHandoff = new ArrayBlockingQueue<Message>(1);

            Assert.isNull(message.getMessageProperties().getReplyTo(),
                    "Send-and-receive methods can only be used if the Message does not already have a replyTo property.");
            DeclareOk queueDeclaration = channel.queueDeclare();
            String replyTo = queueDeclaration.getQueue();
            message.getMessageProperties().setReplyTo(replyTo);

            String consumerTag = UUID.randomUUID().toString();
            DefaultConsumer consumer = new DefaultConsumer(channel) {

                @Override
                public void handleDelivery(String consumerTag, Envelope envelope,
                        AMQP.BasicProperties properties, byte[] body) throws IOException {
                    MessageProperties messageProperties = messagePropertiesConverter
                            .toMessageProperties(properties, envelope, encoding);
                    Message reply = new Message(body, messageProperties);
                    if (logger.isTraceEnabled()) {
                        logger.trace("Message received " + reply);
                    }
                    try {
                        replyHandoff.put(reply);
                    } catch (InterruptedException e) {
                        Thread.currentThread().interrupt();
                    }
                }
            };
            channel.basicConsume(replyTo, true, consumerTag, true, true, null, consumer);
            doSend(channel, exchange, routingKey, message, null);
            Message reply = (replyTimeout < 0) ? replyHandoff.take()
                    : replyHandoff.poll(replyTimeout, TimeUnit.MILLISECONDS);
            channel.basicCancel(consumerTag);
            return reply;
        }
    });
}

---

From source file:com.lang.pat.rabbitirc.Consumer.java

public void consume() {
    com.rabbitmq.client.Consumer consumer = new DefaultConsumer(channel) {
        @Override/*  www. jav  a  2 s.c  om*/
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            String message = new String(body, "UTF-8");
            JSONParser parse = new JSONParser();
            SimpleDateFormat formatDate = new SimpleDateFormat("yy-MM-dd HH:mm:ss");
            try {
                JSONObject JSONMessage = (JSONObject) parse.parse(message);

                Date sendDat = new Date();
                sendDat.setTime((long) JSONMessage.get("timestamp"));
                System.out.println("[" + envelope.getRoutingKey() + "] " + "[" + JSONMessage.get("username")
                        + "] " + JSONMessage.get("message") + " || " + formatDate.format(sendDat));

                if (JSONMessage.get("username").toString().equals(ClientMain.USERNAME)) {
                    if (!JSONMessage.get("token").toString().equals(ClientMain.token)) {
                        System.out.print("! Duplicate username, please change to avoid conflict!");
                    }
                }

                System.out.print("> ");

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

        }
    };
    try {
        channel.basicConsume(ClientMain.QUEUENAME, true, consumer);
    } catch (IOException ex) {
        Logger.getLogger(Consumer.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

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