Example usage for com.rabbitmq.client Channel basicPublish

Introduction

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

Prototype

void basicPublish(String exchange, String routingKey, BasicProperties props, byte[] body) throws IOException;

Source Link

Document

Publish a message.

Usage

From source file:com.zuehlke.carrera.javapilot.show.ConfirmDontLoseMessages.java

License:Mozilla Public License

public static void main1(String[] args) throws IOException, InterruptedException, TimeoutException {

    connectionFactory = new ConnectionFactory();
    String POWER_QUEUE = "/app/pilots/power";
    String json = new JacksonSerializer().serialize(new PowerControl(200, "team", "access", 0L));
    Connection conn = connectionFactory.newConnection();
    Channel ch = conn.createChannel();
    //ch.queueDeclare(POWER_QUEUE, true, false, false, null);
    AMQP.BasicProperties props = new AMQP.BasicProperties.Builder().expiration("0").build();
    ch.basicPublish("", POWER_QUEUE, props, json.getBytes());

    String SENSOR_QUEUE = "/topic/pilots/starterkit/sensor";
    SensorEvent sensorEvent = SensorEvent.createEmptyCarSensor().withRaceTrackId("simulator");
    json = new JacksonSerializer().serialize(sensorEvent);

    //ch.queueDeclare(SENSOR_QUEUE, true, false, false, null);
    ch.basicPublish("", SENSOR_QUEUE, props, json.getBytes());

    ch.close();//from ww w. j  av a 2  s. co m
    conn.close();
}

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From source file:controllers.TargetController.java

License:Open Source License

/**
 * This method pushes a message onto a RabbitMQ queue for given target
 * using global settings from project configuration file.
 *
 * @param target The field URL of the target
 * @return/*  www. jav a  2 s  .c o m*/
 */
public static Result archive(Long id) {

    Target target = Target.findById(id);
    Logger.debug("archiveTarget() " + target);
    if (target != null) {
        if (!target.isInScopeAllOrInheritedWithoutLicense()) {
            return ok(infomessage.render("On-demand archiving is only supported for NPLD targets."));
        }

        // Send the message:
        try {
            String queueHost = Play.application().configuration().getString(Const.QUEUE_HOST);
            String queuePort = Play.application().configuration().getString(Const.QUEUE_PORT);
            String queueName = Play.application().configuration().getString(Const.QUEUE_NAME);
            String routingKey = Play.application().configuration().getString(Const.ROUTING_KEY);
            String exchangeName = Play.application().configuration().getString(Const.EXCHANGE_NAME);

            Logger.debug("archiveTarget() queue host: " + queueHost);
            Logger.debug("archiveTarget() queue port: " + queuePort);
            Logger.debug("archiveTarget() queue name: " + queueName);
            Logger.debug("archiveTarget() routing key: " + routingKey);
            Logger.debug("archiveTarget() exchange name: " + exchangeName);

            JsonNode jsonData = Json.toJson(target);
            String message = jsonData.toString();
            Logger.debug("Crawl Now message: " + message);

            ConnectionFactory factory = new ConnectionFactory();
            if (queueHost != null) {
                factory.setHost(queueHost);
            }
            if (queuePort != null) {
                factory.setPort(Integer.parseInt(queuePort));
            }
            Connection connection = factory.newConnection();
            Channel channel = connection.createChannel();

            channel.exchangeDeclare(exchangeName, "direct", true);
            channel.queueDeclare(queueName, true, false, false, null);
            channel.queueBind(queueName, exchangeName, routingKey);

            BasicProperties.Builder propsBuilder = new BasicProperties.Builder();
            propsBuilder.deliveryMode(2);
            channel.basicPublish(exchangeName, routingKey, propsBuilder.build(), message.getBytes());

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

        } catch (IOException e) {
            String msg = "There was a problem queuing this crawl instruction. Please refer to the system administrator.";
            User currentUser = User.findByEmail(request().username());
            StringWriter sw = new StringWriter();
            e.printStackTrace(new PrintWriter(sw));
            String msgFullTrace = sw.toString();
            Logger.error(msgFullTrace);
            if (currentUser.hasRole("sys_admin")) {
                msg = msgFullTrace;
            }
            return ok(infomessage.render(msg));
        } catch (Exception e) {
            String msg = "There was a problem queuing this crawl instruction. Please refer to the system administrator.";
            User currentUser = User.findByEmail(request().username());
            StringWriter sw = new StringWriter();
            e.printStackTrace(new PrintWriter(sw));
            String msgFullTrace = sw.toString();
            Logger.error(msgFullTrace);
            if (currentUser.hasRole("sys_admin")) {
                msg = msgFullTrace;
            }
            return ok(infomessage.render(msg));
        }
    } else {
        Logger.debug("There was a problem sending the message. Target field for archiving is empty");
        return ok(infomessage
                .render("There was a problem sending the message. Target field for archiving is empty"));
    }
    return ok(ukwalicenceresult.render());
}

---

From source file:coyote.mq.AbstractMessagingTest.java

License:Open Source License

public void sendMessage(String queueName, DataFrame message) {
    if (StringUtil.isNotBlank(queueName) && message != null) {
        byte[] data = message.getBytes();
        try {//ww w .jav  a  2  s .c  om
            ConnectionFactory factory = new ConnectionFactory();
            factory.setUri(broker.getBrokerUri());
            factory.useSslProtocol();
            // username:password should be in the URI for our tests
            try (Connection connection = factory.newConnection()) {
                Channel channel = connection.createChannel();
                channel.queueDeclare(queueName, false, false, false, null);
                channel.basicPublish("", queueName, null, data);
                Log.debug("Sent " + data.length + " bytes to '" + queueName + "'");
            }
        } catch (Exception e) {
            Log.error("Could not send message: " + e.getClass().getSimpleName() + "-" + e.getMessage());
        }
    }
}

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From source file:cs.rsa.ts14dist.appserver.RabbitMQDaemon.java

License:Apache License

@Override
public void run() {

    Connection connection = null;
    Channel channel = null;
    try {/*from  ww w. j  a va 2 s  . co m*/
        ConnectionFactory factory = new ConnectionFactory();
        logger.info("Starting RabbitMQDaemon, MQ IP = " + hostname);
        factory.setHost(hostname);

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

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

        channel.basicQos(1);

        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume(rpcQueueName, false, consumer);

        while (true) {
            String response = null;

            // Block and fetch next msg from queue
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();

            BasicProperties props = delivery.getProperties();
            BasicProperties replyProps = new BasicProperties.Builder().correlationId(props.getCorrelationId())
                    .build();

            try {
                String message = new String(delivery.getBody(), "UTF-8");
                logger.trace("Received msg: " + message);

                // Convert the message to a JSON request object
                JSONObject request = (JSONObject) JSONValue.parse(message);

                // Delegate to the server request handler for handling the
                // request and computing an answer
                JSONObject reply = serverRequestHandler.handleRequest(request);

                // Convert the answer back into a string for replying to
                // client
                response = reply.toJSONString();
            } catch (Exception e) {
                logger.error(" Exception in MQDAemon run()/while true] " + e.toString());
                response = "wrong";
            } finally {
                logger.trace("Returning answer: " + response);
                channel.basicPublish("", props.getReplyTo(), replyProps, response.getBytes("UTF-8"));
                channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
                logger.trace("Answer acknowledged.");
            }
        }
    } catch (Exception e) {
        logger.error("Exception in daemon's outer loop: nested exception" + e.getMessage());
        e.printStackTrace();
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (Exception ignore) {
            }
        }
    }
}

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From source file:de.dhbw.mannheim.erpsim.ErpSimulator.java

License:Open Source License

/**
 *
 *
 * @param args command line parameter/*  w w w. j  a  va  2s.  c  om*/
 *             args[0] number of customer orders that should be created
 *             args[1] hostname of rabbitMQ
 * @throws IOException
 */
public static void main(String[] args) throws IOException {

    int numOfCustomerOrder = 10;
    String rabbitMqHostName = "localhost";
    String rabbitMqUserName = null;
    String rabbitMqPassword = null;

    if (args.length >= 1) {
        try {
            numOfCustomerOrder = Integer.parseInt(args[0]);
            System.out.println("Number of customer orders: " + numOfCustomerOrder);
        } catch (Exception e) {
            System.err.println("Could not parse number of customer orders " + args[0]);
        }
    }

    if (args.length >= 2 && args[1] != null) {
        rabbitMqHostName = args[1];
        System.out.println("Host of rabbitMq: " + rabbitMqHostName);
    }
    if (args.length >= 4 && args[2] != null && args[3] != null) {
        rabbitMqUserName = args[2];
        rabbitMqPassword = args[3];
        System.out.println("Username of rabbitMq: " + rabbitMqUserName);
    }

    CustomerOrder[] customerOrders = new CustomerOrder[numOfCustomerOrder];

    for (int i = 0; i < customerOrders.length; i++) {
        customerOrders[i] = CustomerOrderGenerator.getCustomOrder();
    }

    XStream xstream = new XStream();
    xstream.registerConverter(new Converter() {
        @Override
        public void marshal(Object o, HierarchicalStreamWriter writer, MarshallingContext marshallingContext) {
            MachineOrder mo = (MachineOrder) o;
            writer.startNode("id");
            writer.setValue(mo.getId());
            writer.endNode();
        }

        @Override
        public Object unmarshal(HierarchicalStreamReader hierarchicalStreamReader,
                UnmarshallingContext unmarshallingContext) {
            return null;
        }

        @Override
        public boolean canConvert(Class aClass) {
            return aClass == MachineOrder.class;
        }
    });

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(rabbitMqHostName);
    if (rabbitMqPassword != null && rabbitMqUserName != null) {
        factory.setUsername(rabbitMqUserName);
        factory.setPassword(rabbitMqPassword);
    }
    Connection connection = factory.newConnection();
    Channel channelCO = connection.createChannel();
    channelCO.exchangeDeclare(CUSTOMER_ORDER_EXCHANGE_NAME, "fanout");
    for (CustomerOrder co : customerOrders) {
        String message = xstream.toXML(co);

        channelCO.basicPublish(CUSTOMER_ORDER_EXCHANGE_NAME, "", null, message.getBytes());
        System.out.println("Send customer order");
    }
    channelCO.close();

    Channel channelMO = connection.createChannel();
    channelMO.exchangeDeclare(MACHINE_ORDER_EXCHANGE_NAME, "fanout");
    MachineOrder mo = MachineOrderGenerator.getRandomMachineOrder();

    xstream = new XStream(); // reconstruct XStream to parse the full machine order, not just only the id
    while (mo != null) {
        int i = System.in.read();
        String message = xstream.toXML(mo);
        channelMO.basicPublish(MACHINE_ORDER_EXCHANGE_NAME, "", null, message.getBytes());
        System.out.println("Send Machine order");
        mo = MachineOrderGenerator.getRandomMachineOrder();
    }

    channelMO.close();
    connection.close();
}

---

From source file:dfki.sb.rabbitmqjava.RabbitMQObjectStreamServer.java

License:Open Source License

private static void processSendAndRecivePackets(QueueingConsumer consumer, Channel channel)
        throws InterruptedException, IOException {
    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();
        BasicProperties props = delivery.getProperties();
        BasicProperties replyProps = new BasicProperties.Builder().correlationId(props.getCorrelationId())
                .build();/*  w  w  w.  ja v a2s  .com*/
        try {
            byte[] body = delivery.getBody();
            if (body.length == 0) {
                break;
            } else {
                Object obj = SerializationUtils.deserialize(body);
                if (obj instanceof MarketData) {
                    MarketData response = sendMarketData((MarketData) obj);
                    channel.basicPublish("", props.getReplyTo(), replyProps,
                            SerializationUtils.serialize(response));
                } else {
                    QuoteRequest response = sendQuoteRequest((QuoteRequest) obj);
                    channel.basicPublish("", props.getReplyTo(), replyProps,
                            SerializationUtils.serialize(response));
                }
            }
        } catch (IOException e) {
            System.out.println(" [.] " + e.toString());
        } finally {
            channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
        }
    }
}

---

From source file:dfki.sb.rabbitmqjava.RabbitMQServer.java

License:Open Source License

public static void main(String[] argv) {
    Connection connection = null;
    Channel channel = null;
    try {/* ww w.  ja v a  2  s .  c  om*/
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");
        connection = factory.newConnection();
        channel = connection.createChannel();
        channel.queueDeclare(RPC_QUEUE_NAME, false, false, false, null);
        channel.basicQos(1);
        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume(RPC_QUEUE_NAME, false, consumer);
        System.out.println("Starting server waiting for client requests:");
        while (true) {
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            BasicProperties props = delivery.getProperties();
            BasicProperties replyProps = new BasicProperties.Builder().correlationId(props.getCorrelationId())
                    .build();
            DataInputStream dis = new DataInputStream(
                    new BufferedInputStream(new ByteArrayInputStream(delivery.getBody())));
            try {
                int type = dis.readInt();
                byte[] response;
                if (type == 2) {
                    response = handleMarketRequest(dis);
                } else {
                    response = handleQuoteRequest(dis);
                }
                channel.basicPublish("", props.getReplyTo(), replyProps, response);
                dis.close();
            } catch (IOException | ClassNotFoundException e) {
                System.out.println(" [.] " + e.toString());
            } finally {
                channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
            }
        }
    } catch (IOException | InterruptedException | ShutdownSignalException | ConsumerCancelledException e) {
        e.printStackTrace();
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (IOException ignore) {
            }
        }
    }
}

---

From source file:dk.bankjsonrabbit.messaging.Send.java

public static void sendMessage(String message, BasicProperties props) throws IOException, TimeoutException {
    String taskQueueName = props.getReplyTo();

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("student");
    factory.setPassword("cph");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.queueDeclare(taskQueueName, true, false, false, null);

    channel.basicPublish("", taskQueueName, props, message.getBytes());

    channel.close();/*from   w  w  w . java 2s.  c  o m*/
    connection.close();
}

---

From source file:dk.cphbusiness.group11.Translators.PoorBankWS.TranslatorPoorBankWS.java

private void parseAndProcessXmlMessage(String xmlMessage) throws Exception {
    DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = builderFactory.newDocumentBuilder();

    Document loanRequestXml = builder.parse(new ByteArrayInputStream(xmlMessage.getBytes()));
    XPath xPath = XPathFactory.newInstance().newXPath();
    Element loanDetailsElement = (Element) xPath.compile("/LoanDetails").evaluate(loanRequestXml,
            XPathConstants.NODE);
    String ssn = loanDetailsElement.getElementsByTagName("ssn").item(0).getTextContent();
    int creditScore = Integer
            .parseInt(loanDetailsElement.getElementsByTagName("creditScore").item(0).getTextContent());
    double loanAmount = Double
            .parseDouble(loanDetailsElement.getElementsByTagName("loanAmount").item(0).getTextContent());
    String temp = loanDetailsElement.getElementsByTagName("loanDurationInMonths").item(0).getTextContent();
    int loanDurationInMonths = Integer.parseInt(temp);

    PoorBankService_Service service = new PoorBankService_Service();
    PoorBankService port = service.getPoorBankServiceImplPort();
    PoorLoanResponsee result = port.poorLoan(ssn, creditScore, loanAmount, loanDurationInMonths);

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(SENDING_QUEUE, "fanout");

    String xmlReturnMessage = "<LoanResponse>" + "<interestRate>" + result.getInterestRate()
            + "</interestRate> \n" + "   <ssn>" + result.getSsn() + "</ssn> \n" + "</LoanResponse>";
    channel.basicPublish(SENDING_QUEUE, "", null, xmlReturnMessage.getBytes());

}

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From source file:dk.getcreditscore.messaging.Send.java

public static void sendMessage(String message) throws IOException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("datdb.cphbusiness.dk");
    factory.setUsername("student");
    factory.setPassword("cph");
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.queueDeclare(TASK_QUEUE_NAME, true, false, false, null);

    channel.basicPublish("", TASK_QUEUE_NAME, MessageProperties.PERSISTENT_TEXT_PLAIN, message.getBytes());

    channel.close();//from  ww w  .java 2 s .c o  m
    connection.close();
}

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