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:org.teksme.server.queue.sender.impl.AMQPQueueSenderService.java

License:Apache License

public void publishMessage(InboundMessage inboundMsg) {

    try {//from w w w .j  ava2  s  . com

        Connection lConnection = getAMQPConnServiceReference();

        Channel lChannel = lConnection.createChannel();

        byte[] data = convertToSend(inboundMsg);

        // Parameters to constructor for new AMQP.BasicProperties are:
        // (contentType, contentEncoding, headers, deliveryMode, priority,
        // correlationId, replyTo,
        // expiration, messageId, timestamp, type, userId, appId, clusterId)
        // Here we're just specifying that the message is persistant
        AMQP.BasicProperties messageProperties = new AMQP.BasicProperties(null, null, null, new Integer(2),
                null, null, null, null, null, null, null, null, null, null);

        final String queueName = "teksme.inboundPrimary";
        final String routingKey = "sms.inbound";
        final String exchange = "teksme.inbound";

        logger.info(
                "Publishing message to queue [" + queueName + "] with routing key [" + routingKey + "] ...");

        lChannel.basicPublish(exchange, routingKey, messageProperties, data);

        lChannel.close();
        // lConnection.close();
    } catch (Exception lIoException) {
        throw new RuntimeException(lIoException);
    }

}

From source file:org.thingsboard.server.extensions.rabbitmq.DemoClient.java

License:Apache License

public static void main(String[] argv) throws Exception {

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(HOST);//from w w  w  .j  a  va2 s .co  m
    factory.setUsername(USERNAME);
    factory.setPassword(PASSWORD);

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

    channel.queueDeclare(QUEUE_NAME, false, false, false, null);
    System.out.println(" [*] Waiting for messages.");
    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);

}

From source file:org.voltdb.bulkloader.RMQCSVReceive.java

License:Open Source License

public static void receiveMessages(RMQOptions rmqOpts, TestOptions testOpts, String[] args) throws IOException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(rmqOpts.host);/*from w w  w.  ja v  a 2  s. c  o m*/
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();
    if (rmqOpts.exchange != null) {
        if (rmqOpts.extype != null) {
            channel.exchangeDeclare(rmqOpts.exchange, rmqOpts.extype);
        }
        for (String bindingKey : rmqOpts.bindings) {
            channel.queueBind(rmqOpts.queue, rmqOpts.exchange, bindingKey);
        }
    }

    try {
        channel.queueDeclare(rmqOpts.queue, rmqOpts.persistent, false, false, null);
        System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
        channel.basicQos(1);
        QueueingConsumer consumer = new QueueingConsumer(channel);
        channel.basicConsume(rmqOpts.queue, false, consumer);
        while (true) {
            QueueingConsumer.Delivery delivery = consumer.nextDelivery();
            String message = new String(delivery.getBody());
            channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
            // Sleep 1 second for every trailing '.'.
            int dotCount = 0;
            for (int i = message.length() - 1; i >= 0; --i) {
                if (message.charAt(i) == '.') {
                    dotCount++;
                } else {
                    break;
                }
            }
            if (dotCount > 0) {
                message = message.substring(0, message.length() - dotCount);
            }
            System.out.printf(" [x] Received '%s'\n", message);
            Thread.sleep(dotCount * 1000);
        }
    } catch (ShutdownSignalException | ConsumerCancelledException | InterruptedException e) {
        e.printStackTrace();
    } finally {
        channel.close();
        connection.close();
    }
}

From source file:org.voltdb.bulkloader.RMQCSVSend.java

License:Open Source License

private static void sendMessages(RMQOptions rmqOpts, RandomSleeper.RSOptions sleeperOpts, TestOptions testOpts)
        throws InterruptedException {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(rmqOpts.host);//from w ww . j a  v  a2  s .co m

    Connection connection = null;
    Channel channel = null;
    String exchangeName = "";
    // Use the queue name if the routing key is not specified.
    String routingKey = rmqOpts.routing != null ? rmqOpts.routing : rmqOpts.queue;
    try {
        connection = factory.newConnection();
        channel = connection.createChannel();
        if (rmqOpts.exchange != null) {
            exchangeName = rmqOpts.exchange;
            channel.exchangeDeclare(exchangeName, rmqOpts.extype);
        }
    } catch (IOException e1) {
        e1.printStackTrace();
        System.exit(255);
    }

    try {
        channel.queueDeclare(rmqOpts.queue, rmqOpts.persistent, false, false, null);
        try {
            while (testOpts.lineIter.hasNext()) {
                String message = testOpts.lineIter.next();
                channel.basicPublish(exchangeName, routingKey, MessageProperties.TEXT_PLAIN,
                        message.getBytes());
                System.out.printf(" [x] Sent '%s'\n", message);
                sleeperOpts.sleeper.sleep();
            }
        } finally {
            testOpts.lineIter.close();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            channel.close();
            connection.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

From source file:org.wso2.carbon.caching.invalidator.amqp.CacheInvalidationPublisher.java

License:Open Source License

@Override
public void invalidateCache(int tenantId, String cacheManagerName, String cacheName, Serializable cacheKey) {
    log.debug("Global cache invalidation: initializing the connection");
    if (ConfigurationManager.getProviderUrl() == null) {
        ConfigurationManager.init();//from  ww w  . ja va 2 s.c  o  m
    }
    //Converting data to json string
    GlobalCacheInvalidationEvent event = new GlobalCacheInvalidationEvent();
    event.setTenantId(tenantId);
    event.setCacheManagerName(cacheManagerName);
    event.setCacheName(cacheName);
    event.setCacheKey(cacheKey);
    String uuid = UUIDGenerator.generateUUID();
    event.setUuid(uuid);
    // Setup the pub/sub connection, session
    // Send the msg (byte stream)
    Connection connection = null;
    try {
        log.debug("Global cache invalidation: converting serializable object to byte stream.");
        byte data[] = serialize(event);
        log.debug("Global cache invalidation: converting data to byte stream complete.");
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(ConfigurationManager.getProviderUrl());
        connection = factory.newConnection();
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(ConfigurationManager.getTopicName(), "topic");
        channel.basicPublish(ConfigurationManager.getTopicName(), "invalidate.cache", null, data);
        ConfigurationManager.getSentMsgBuffer().add(uuid.trim());
        log.debug("Global cache invalidation message sent: " + new String(data));
    } catch (Exception e) {
        log.error("Global cache invalidation: Error publishing the message", e);
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (Exception e) {
                log.error("Global cache invalidation: error close publish connection", e);
            }
        }
    }
}

From source file:org.wso2.carbon.caching.invalidator.amqp.CacheInvalidationSubscriber.java

License:Open Source License

private void subscribe() {
    log.debug("Global cache invalidation: initializing the subscription");
    try {//from  w  w  w  .  j  a v a 2 s . co m
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost(ConfigurationManager.getProviderUrl());
        int port = Integer.parseInt(ConfigurationManager.getProviderPort());
        factory.setPort(port);
        factory.setUsername(ConfigurationManager.getProviderUsername());
        factory.setPassword(ConfigurationManager.getProviderPassword());
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(ConfigurationManager.getTopicName(), "topic");
        String queueName = channel.queueDeclare().getQueue();
        channel.queueBind(queueName, ConfigurationManager.getTopicName(), "#");
        consumer = new QueueingConsumer(channel);
        channel.basicConsume(queueName, true, consumer);
        Thread reciever = new Thread(messageReciever);
        reciever.start();
        log.info("Global cache invalidation is online");
    } catch (Exception e) {
        log.error("Global cache invalidation: Error message broker initialization", e);
    }
}

From source file:org.wso2.carbon.esb.rabbitmq.message.store.jira.ESBJAVA4569RabbiMQSSLStoreWithClientCertValidationTest.java

License:Open Source License

/**
 * Helper method to retrieve queue message from rabbitMQ
 *
 * @return result/* w ww .j ava 2 s . co m*/
 * @throws Exception
 */
private static String consumeWithoutCertificate() throws Exception {
    String result = "";

    String basePath = TestConfigurationProvider.getResourceLocation()
            + "/artifacts/ESB/messageStore/rabbitMQ/SSL/";

    String truststoreLocation = basePath + "rabbitMQ/certs/client/rabbitstore";
    String keystoreLocation = basePath + "rabbitMQ/certs/client/keycert.p12";

    char[] keyPassphrase = "MySecretPassword".toCharArray();
    KeyStore ks = KeyStore.getInstance("PKCS12");
    ks.load(new FileInputStream(keystoreLocation), keyPassphrase);

    KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
    kmf.init(ks, keyPassphrase);

    char[] trustPassphrase = "rabbitstore".toCharArray();
    KeyStore tks = KeyStore.getInstance("JKS");
    tks.load(new FileInputStream(truststoreLocation), trustPassphrase);

    TrustManagerFactory tmf = TrustManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
    tmf.init(tks);

    SSLContext c = SSLContext.getInstance("SSL");
    c.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);

    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    factory.setPort(5671);
    factory.useSslProtocol(c);

    Connection conn = factory.newConnection();
    Channel channel = conn.createChannel();

    GetResponse chResponse = channel.basicGet("WithClientCertQueue", true);
    if (chResponse != null) {
        byte[] body = chResponse.getBody();
        result = new String(body);
    }
    channel.close();
    conn.close();
    return result;
}

From source file:org.wso2.carbon.esb.rabbitmq.message.store.jira.ESBJAVA4569RabbiMQSSLStoreWithoutClientCertValidationTest.java

License:Open Source License

/**
 * Helper method to retrieve queue message from rabbitMQ
 *
 * @return result/*from   w  w w  .  j av a 2 s. c o  m*/
 * @throws Exception
 */
private static String consumeWithoutCertificate() throws Exception {
    String result = "";
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    factory.setPort(5671);
    factory.useSslProtocol();

    Connection conn = factory.newConnection();
    Channel channel = conn.createChannel();

    GetResponse chResponse = channel.basicGet("WithoutClientCertQueue", true);
    if (chResponse != null) {
        byte[] body = chResponse.getBody();
        result = new String(body);
    }
    channel.close();
    conn.close();
    return result;
}

From source file:org.wso2.carbon.event.adapter.rabbitmq.internal.util.RabbitMQEventAdapterUtils.java

License:Open Source License

/**
 * Check Whether Queue is available/*from   ww  w.  ja  v  a  2 s  .  com*/
 *
 * @param connection Connection to the RabbitMQ
 * @param queueName  Name of the queue
 */
public static boolean isQueueAvailable(Connection connection, String queueName) throws IOException {
    Channel channel = connection.createChannel();
    try {
        // check availability of the named queue
        // if an error is encountered, including if the queue does not exist and if the
        // queue is exclusively owned by another connection
        channel.queueDeclarePassive(queueName);
        return true;
    } catch (IOException e) {
        return false;
    }
}

From source file:org.wso2.carbon.event.adapter.rabbitmq.internal.util.RabbitMQEventAdapterUtils.java

License:Open Source License

/**
 * @param connection   Connection to the RabbitMQ
 * @param queueName    Name of the queue
 * @param isDurable    Whether durable or not
 * @param isExclusive  Whether exclusive or not
 * @param isAutoDelete Whether queue is auto delete or not
 * @throws IOException// w  w  w. ja  va 2s  .  c  o  m
 */
public static void declareQueue(Connection connection, String queueName, String isDurable, String isExclusive,
        String isAutoDelete) throws IOException {

    boolean queueAvailable = isQueueAvailable(connection, queueName);
    Channel channel = connection.createChannel();
    if (!queueAvailable) {
        if (log.isDebugEnabled()) {
            log.debug("Queue :" + queueName + " not found or already declared exclusive. Declaring the queue.");
        }
        // Declare the named queue if it does not exists.
        if (!channel.isOpen()) {
            channel = connection.createChannel();
            log.debug("Channel is not open. Creating a new channel.");
        }
        try {
            channel.queueDeclare(queueName, isDurableQueue(isDurable), isExclusiveQueue(isExclusive),
                    isAutoDeleteQueue(isAutoDelete), null);
        } catch (IOException e) {
            handleException("Error while creating queue: " + queueName, e);
        }
    }
}