Example usage for com.rabbitmq.client Connection createChannel

List of usage examples for com.rabbitmq.client Connection createChannel

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Introduction

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

Prototype

Channel createChannel() throws IOException;

Source Link

Document

Create a new channel, using an internally allocated channel number.

Usage

From source file:uk.org.openeyes.oink.proxy.test.ITProxyRoute.java

License:Open Source License

@Ignore
@Test//  www.  j a va 2s . c  o  m
public void testGetRequestGetsProxied() throws Exception {

    // Mock endpoint server
    InputStream is = ITProxyRoute.class.getResourceAsStream("/example-messages/fhir/patient.json");
    StringWriter writer = new StringWriter();
    IOUtils.copy(is, writer);
    String jsonPatient = writer.toString();
    byte[] expectedResponseBody = jsonPatient.getBytes();
    server.setResponse(200, expectedResponseBody, "application/json+fhir");
    server.start();

    // Build Oink request
    String resourcePath = "/Patient/1123";
    String parameters = "foo=bar&foo2=bar2";
    String method = "GET";
    OINKRequestMessage request = new OINKRequestMessage();
    request.setResourcePath(resourcePath);
    request.setParameters(parameters);
    request.setMethod(HttpMethod.valueOf(method));

    // Send Oink request over rabbit
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    String replyQueueName = channel.queueDeclare().getQueue();
    channel.queueBind(replyQueueName, testProperties.getProperty("rabbit.defaultExchange"), replyQueueName);
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(replyQueueName, true, consumer);

    BasicProperties props = new BasicProperties().builder().replyTo(replyQueueName).build();

    byte[] requestBody = camelCtx.getTypeConverter().convertTo(byte[].class, request);

    channel.basicPublish(testProperties.getProperty("rabbit.defaultExchange"),
            testProperties.getProperty("rabbit.routingKey"), props, requestBody);

    // Wait
    Thread.sleep(1000);

    // Assert mocked server receives request intact
    assertEquals(method, server.getRequestMethod());
    assertEquals(parameters, server.getRequestParams());
    assertEquals("/oink" + resourcePath, server.getRequestPath());

    // Assert response
    QueueingConsumer.Delivery delivery = consumer.nextDelivery(5000);
    assertNotNull(delivery);
    byte[] responseBody = delivery.getBody();

    OINKResponseMessage response = camelCtx.getTypeConverter().convertTo(OINKResponseMessage.class,
            responseBody);

    String responsePatientJson = camelCtx.getTypeConverter().convertTo(String.class,
            response.getBody().getResource());

    assertEquals(200, response.getStatus());
    assertEquals(jsonPatient, responsePatientJson);
    server.stop();

}

From source file:uk.org.openeyes.oink.proxy.test.ITProxyRoute.java

License:Open Source License

@Ignore
@Test//from ww  w  .  java2 s  . c  o  m
public void testPostRequestGetsProxied() throws Exception {

    // Mock endpoint server
    server.setResponse(201, null, null);
    server.start();

    // Build Oink request
    OINKRequestMessage request = new OINKRequestMessage();
    request.setResourcePath("/Patient");
    request.setMethod(HttpMethod.POST);
    FhirBody body = buildFhirBodyFromResource("/example-messages/fhir/patient.json");
    request.setBody(body);

    // Send Oink request over rabbit
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    String replyQueueName = channel.queueDeclare().getQueue();
    channel.queueBind(replyQueueName, testProperties.getProperty("rabbit.defaultExchange"), replyQueueName);
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(replyQueueName, true, consumer);

    BasicProperties props = new BasicProperties().builder().replyTo(replyQueueName).build();

    byte[] requestBody = camelCtx.getTypeConverter().convertTo(byte[].class, request);

    channel.basicPublish(testProperties.getProperty("rabbit.defaultExchange"),
            testProperties.getProperty("rabbit.routingKey"), props, requestBody);

    // Wait
    Thread.sleep(1000);

    // Assert mocked server receives request intact
    String requestBodyReceivedByServer = server.getRequestBody();
    StringWriter writer = new StringWriter();
    IOUtils.copy(ITProxyRoute.class.getResourceAsStream("/example-messages/fhir/patient.json"), writer);
    String expectedBodyReceivedByServer = writer.toString();
    assertEquals(expectedBodyReceivedByServer, requestBodyReceivedByServer);

    // Assert response
    QueueingConsumer.Delivery delivery = consumer.nextDelivery(10000);
    assertNotNull(delivery);
    byte[] responseBody = delivery.getBody();

    OINKResponseMessage response = camelCtx.getTypeConverter().convertTo(OINKResponseMessage.class,
            responseBody);

    assertEquals(201, response.getStatus());
    server.stop();
}

From source file:uk.org.openeyes.oink.proxy.test.support.RabbitClient.java

License:Open Source License

public byte[] sendAndRecieve(byte[] message, String routingKey, String exchange) throws Exception {
    log.debug("Sending message to direct exchange:" + exchange + " with routing key:" + routingKey);
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    channel.exchangeDeclare(exchange, "direct", true, false, null);
    String replyQueueName = channel.queueDeclare().getQueue();
    log.debug("Reply queue name is " + replyQueueName);
    channel.queueBind(replyQueueName, exchange, replyQueueName);
    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(replyQueueName, true, consumer);
    String corrId = java.util.UUID.randomUUID().toString();
    BasicProperties props = new BasicProperties.Builder().correlationId(corrId).replyTo(replyQueueName).build();

    channel.basicPublish(exchange, routingKey, props, message);
    log.debug("Waiting for delivery");
    QueueingConsumer.Delivery delivery = consumer.nextDelivery(20000);
    connection.close();//from  www  . ja  v  a 2s .co  m
    if (delivery == null || !delivery.getProperties().getCorrelationId().equals(corrId)) {
        return null;
    } else {
        byte[] response = delivery.getBody();
        return response;

    }
}

From source file:uk.org.openeyes.oink.proxy.test.support.RabbitServer.java

License:Open Source License

@Override
public void run() {
    try {/*from   w  w  w .  j  av  a2s  .com*/
        log.info("RabbitServer started");

        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(exchange, "direct", true, true, null);
        String queueName = channel.queueDeclare().getQueue();
        channel.queueBind(queueName, exchange, routingKey);
        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume(queueName, true, consumer);

        while (!stop) {
            // Wait for RabbitQueue delivery
            QueueingConsumer.Delivery delivery = consumer.nextDelivery(1000);
            if (delivery != null) {
                log.info("Message received");
                receivedMessage = delivery.getBody();
                stop = true;
            }
        }

        if (receivedMessage == null) {
            log.warn("RabbitServer stopping before any message was received");
        }

    } catch (Exception e) {
        log.error("RabbitServer threw an exception:" + e);
        e.printStackTrace();
    }

}

From source file:uniko.west.test.TwitterLogSender.java

public static void main(String[] args) {
    /*      String strJSONFilePaths = { "/home/ubuntu/data/rawtweet-log-short.log",
    "/home/ubuntu/data/IITNNO-prepare-json-example.json",
    "/home/ubuntu/data/json/IITNNO-raw-JSON-example.json",
    "/home/ubuntu/data/json/ITINNO-aggregated-geoparse-example.json"
    "/home/ubuntu/data/json/CERTH-RSS-example.json" };
    *///from  ww w. j av a 2 s. c  o  m
    //      String strJSONFilePath = "/home/ubuntu/data/rawtweet-log-short.log"; //short twitter log
    //      String strJSONFilePath = "/home/ubuntu/data/json/IITNNO-prepare-json-example.json";
    //String strJSONFilePath = "/home/ubuntu/data/json/IITNNO-raw-JSON-example.json"; //short itinno
    // example
    //      String strJSONFilePath = "/home/ubuntu/data/json/ITINNO-aggregated-geoparse-example.json"; //another itinno example
    String strJSONFilePath = "/home/ubuntu/data/json/simplified-ITINNO-aggregated-geoparse-example.json";

    String exchangeName = "ukob_test";
    //      for (String strJSONFilePath : strJSONFilePaths) {
    try (BufferedReader br = new BufferedReader(new FileReader(strJSONFilePath))) {

        // send a UTF-8 encoded JSON tweet to the RabbitMQ (for
        // stormspout
        // to pick up and send to bolt)
        // read UTF-8 JSON text from file
        Logger.getLogger(TwitterLogSender.class.getName()).log(Level.INFO, "ExampleRabbitmqClient started");

        // connect to rabbitmq broker
        // first of all create connection factory
        ConnectionFactory factory = new ConnectionFactory();
        factory.setUri("amqp://guest:guest@localhost:5672/%2F");
        // initialise connection and define channel
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        String jsonLine;

        while ((jsonLine = br.readLine()) != null) {
            long timestampSinceEpoch = System.currentTimeMillis() / 1000;

            // initialise amqp basic peoperties object
            BasicProperties.Builder basicProperties = new AMQP.BasicProperties.Builder();
            basicProperties.build();
            basicProperties.timestamp(new Date(timestampSinceEpoch)).build();
            basicProperties.contentType("text/json").build();
            basicProperties.deliveryMode(1).build();

            // publish message
            channel.basicPublish(exchangeName, "test-routing", basicProperties.build(),
                    jsonLine.getBytes("UTF-8"));
        }
        // close connection and channel
        channel.close();
        connection.close();

        Logger.getLogger(TwitterLogSender.class.getName()).log(Level.INFO, "ExampleRabbitmqClient finished");

    } catch (URISyntaxException | NoSuchAlgorithmException | KeyManagementException | IOException ex) {
        Logger.getLogger(TwitterLogSender.class.getName()).log(Level.SEVERE, null, ex);
        //         }
    }
}

From source file:user.Client.java

public static void main(String[] argv) throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("rabbitmq.akhfa.me");
    factory.setUsername(username);//w  ww .  j a va2  s .c o  m
    factory.setPassword(password);
    factory.setVirtualHost("pat");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    ArrayList<String> daftarNick = getAllQueues();

    String nick = "";

    while (true) {
        Scanner in = new Scanner(System.in);

        System.out.print("Please enter your command: ");
        String command = in.nextLine();

        String[] com = command.split(" ", 2);
        try {
            switch (com[0]) {
            case "/NICK":
                if (!nick.equals("")) {
                    System.out.println("You have registered with nickname: " + nick);
                } else {
                    if (!daftarNick.contains(com[1])) {
                        channel.queueDeclare(com[1], false, false, true, null);
                        nick = com[1];
                        System.out.println("Your nickname is " + nick);

                        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");
                                filterChannel(message);
                            }
                        };
                        channel.basicConsume(nick, true, consumer);
                    } else {
                        System.out.println("Nickname exists.");
                    }
                }
                break;
            case "/JOIN":
                channel.exchangeDeclare(com[1], "fanout", false, false, false, null);
                channel.queueBind(nick, com[1], "");
                System.out.println("You have successfully join " + com[1]);
                break;
            case "/LEAVE":
                channel.queueUnbind(nick, com[1], "");
                System.out.println("Leave " + com[1]);
                break;
            case "/EXIT":
                System.out.println("bye bye...  :D");
                System.exit(0);
            default:
                String message = nick + ' ' + command;
                channel.basicPublish(com[0].substring(1), "", null, message.getBytes("UTF-8"));
                break;
            }
        } catch (Exception e) {
            if (command.compareTo("/NICK") == 0) {
                //random nick
                String random;

                if (!nick.equals("")) {
                    System.out.println("You have registered with nickname: " + nick);
                } else {
                    do {
                        random = randomNick();
                    } while (daftarNick.contains(random));

                    nick = random;

                    channel.queueDeclare(random, false, false, true, null);
                    System.out.println("Your nickname is " + random);

                    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");
                            filterChannel(message);
                        }
                    };
                    channel.basicConsume(nick, true, consumer);
                }

            } else if ((command.compareTo("/JOIN") == 0) || (command.compareTo("/LEAVE") == 0)) {
                //error
                System.out.println("Please enter channel name!");
            } else if (command.charAt(0) == '@') {
                System.out.println("Please enter your command for the channel.");
            } else {
                System.out.println("Invalid command.");
            }
        }
    }
}

From source file:v2.APAdmin.java

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

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

    channel.queueBind(queueName, EXCHANGE_NAME, bindingKey);

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

    Consumer consumer = new DefaultConsumer(channel) {
        @Override/*w w w .  j  av  a2  s . c om*/
        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 + "'");
            //REPLY HERE
            String response = "You are in, breh";
            BasicProperties replyProps = new BasicProperties.Builder()
                    .correlationId(properties.getCorrelationId()).build();
            channel.basicPublish("", properties.getReplyTo(), replyProps, response.getBytes());
        }
    };
    channel.basicConsume(queueName, true, consumer);
}

From source file:v2.PBAAdmin.java

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

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

    channel.queueBind(queueName, EXCHANGE_NAME, bindingKey);

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

    Consumer consumer = new DefaultConsumer(channel) {
        @Override/*  w w w . j  av  a  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 '" + envelope.getRoutingKey() + "':'" + message + "'");
        }
    };
    channel.basicConsume(queueName, true, consumer);
}

From source file:v2.Student.java

public static void main(String[] argv) {
    Connection connection = null;
    Channel channel = null;//from w  w w.java 2s.c om
    try {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("datdb.cphbusiness.dk");

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

        channel.exchangeDeclare(EXCHANGE_NAME, "topic");

        String routingKey = "AP.DAT";//getRouting(argv);
        String message = "Plz enroll me, breh";//getMessage(argv);
        String corrId = java.util.UUID.randomUUID().toString();
        String callbackQueueName = channel.queueDeclare().getQueue();
        String response = null;
        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume(callbackQueueName, true, consumer);

        BasicProperties props = new BasicProperties.Builder().replyTo(callbackQueueName).build();

        channel.basicPublish(EXCHANGE_NAME, routingKey, props, message.getBytes("UTF-8"));
        System.out.println(" [x] Sent '" + routingKey + "':'" + message + "'");

        while (true) {
            System.out.println("blocked?");
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            System.out.println("unblocked");
            System.out.println(delivery);
            response = new String(delivery.getBody());
            System.out.println(response);
            //        if (delivery.getProperties().getCorrelationId().equals(corrId)) {
            //            response = new String(delivery.getBody());
            //            System.out.println(response);
            //            break;
            //        }
        }

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (Exception ignore) {
            }
        }
    }
}

From source file:vn.com.uet.performance.rabbitmq.MulticastParams.java

License:Open Source License

public Producer createProducer(Connection connection, Stats stats, String id) throws IOException {
    Channel channel = connection.createChannel();
    if (producerTxSize > 0)
        channel.txSelect();/*from ww  w.j  a  v a2s .c om*/
    if (confirm >= 0)
        channel.confirmSelect();
    if (!predeclared || !exchangeExists(connection, exchangeName)) {
        channel.exchangeDeclare(exchangeName, exchangeType);
    }
    final Producer producer = new Producer(channel, exchangeName, id, randomRoutingKey, flags, producerTxSize,
            producerRateLimit, producerMsgCount, minMsgSize, timeLimit, confirm, stats);
    channel.addReturnListener(producer);
    channel.addConfirmListener(producer);
    return producer;
}