Example usage for com.rabbitmq.client ConnectionFactory newConnection

List of usage examples for com.rabbitmq.client ConnectionFactory newConnection

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Introduction

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

Prototype

public Connection newConnection() throws IOException, TimeoutException

Source Link

Document

Create a new broker connection.

Usage

From source file:it.txt.ens.authorisationService.util.AccessRequestEvaluator.java

License:Apache License

private Permission createSubscribingPermissionsAndResources(boolean userAlreadyExists, String operativeHost,
        int httpPort, int operativePort, String operativeVhost, String ensUsername, String ensPwd,
        String adminUsername, String adminPwd, PermissionService permissionService, String queueName,
        String exchangeName) throws ENSResponseFactoryException {
    if (LOGGER.isLoggable(Level.FINE))
        LOGGER.fine(MessageFormat.format(MESSAGES.getString("evaluationStep9ExplainationS"), ensUsername,
                namespace, routingKey));
    Connection adminConnection = null;
    ConnectionFactory factory = new ConnectionFactory();
    factory.setUsername(adminUsername);/*w  w w . j  a  va2s. c  om*/
    factory.setPassword(adminPwd);
    factory.setVirtualHost(operativeVhost);
    factory.setHost(operativeHost);
    factory.setPort(operativePort);
    try {
        adminConnection = factory.newConnection();
        Channel channel = adminConnection.createChannel();
        //check if the queue exists
        if (AMQPQueueHelper.exists(channel, queueName)) {
            FailureResponseDetails failureDetails = new FailureResponseDetails();
            String reason = ErrorCodes.INTERNAL_ERROR;
            failureDetails.setErrorReason(reason);
            failureDetails.setErrorCode(ErrorCodes.INTERNAL_ERROR);
            responseType = ensResponseFactory.createFailureResponse(requestType.getRequestID(),
                    requestType.getTimeStamp(), failureDetails);
            if (LOGGER.isLoggable(Level.INFO))
                LOGGER.log(Level.INFO,
                        MessageFormat.format(MESSAGES.getString("evaluationStep9Failure"),
                                ErrorCodes.INTERNAL_ERROR, reason,
                                MessageFormat.format(MESSAGES.getString("alreadyExistingQueue"), queueName,
                                        operativeVhost, operativeHost + ":" + operativePort)));
            return null;
        }
        //forcing creating a new Connection because the following exception is thrown even on new Channel
        //            com.rabbitmq.client.AlreadyClosedException: clean connection shutdown; reason: Attempt to use closed channel
        //            at com.rabbitmq.client.impl.AMQChannel.ensureIsOpen(AMQChannel.java:190)
        //            at com.rabbitmq.client.impl.AMQChannel.rpc(AMQChannel.java:223)
        //            at com.rabbitmq.client.impl.AMQChannel.privateRpc(AMQChannel.java:209)
        //            at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:118)
        //            at com.rabbitmq.client.impl.ChannelN.queueDeclare(ChannelN.java:766)
        //            at com.rabbitmq.client.impl.ChannelN.queueDeclare(ChannelN.java:61)
        //            at it.txt.ens.authorisationService.amqp.AMQPQueueHelper.creates(AMQPQueueHelper.java:42)
        //            at it.txt.ens.authorisationService.util.AccessRequestEvaluator.createSubscribingPermissionsAndResources(AccessRequestEvaluator.java:893)
        //            at it.txt.ens.authorisationService.util.AccessRequestEvaluator.executeRabbitMQOperations(AccessRequestEvaluator.java:499)
        //            at it.txt.ens.authorisationService.util.AccessRequestEvaluator.evaluate(AccessRequestEvaluator.java:284)
        //            at it.txt.ens.authorisationService.util.AccessRequestEvaluator.run(AccessRequestEvaluator.java:216)
        //            at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
        //            at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
        //            at java.util.concurrent.FutureTask.run(Unknown Source)
        //            at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        //            at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        //            at java.lang.Thread.run(Unknown Source)
        adminConnection.close();
        adminConnection = factory.newConnection();
        AMQPQueueHelper.creates(adminConnection.createChannel(), queueName, false, false, true);
        if (LOGGER.isLoggable(Level.FINE))
            LOGGER.fine(MessageFormat.format(MESSAGES.getString("evaluationStep9OK-1S"), queueName,
                    operativeVhost, operativeHost + ":" + operativePort));
        adminConnection.createChannel().queueBind(queueName, exchangeName, routingKey);
        if (LOGGER.isLoggable(Level.FINE))
            LOGGER.fine(
                    MessageFormat.format(MESSAGES.getString("evaluationStep9OK-2S"), queueName, exchangeName));
        //            if (userAlreadyExists)
        //                return mergePermissions(permissionService , operativeVhost, ensUsername, "", "", queueName);
        //            else
        return new Permission(operativeVhost, ensUsername, "", "", queueName);
    } catch (Exception e) {
        FailureResponseDetails failureDetails = new FailureResponseDetails();
        String reason = MESSAGES.getString(ErrorCodes.ENS_RESOURCE_RESERVATION_FAILURE);
        failureDetails.setErrorReason(reason);
        failureDetails.setErrorCode(ErrorCodes.ENS_RESOURCE_RESERVATION_FAILURE);
        responseType = ensResponseFactory.createFailureResponse(requestType.getRequestID(),
                requestType.getTimeStamp(), failureDetails);
        if (LOGGER.isLoggable(Level.INFO))
            LOGGER.log(Level.INFO, MessageFormat.format(MESSAGES.getString("evaluationStep9Failure"),
                    ErrorCodes.ENS_RESOURCE_RESERVATION_FAILURE, reason, e.getMessage()), e);
        return null;
    } finally {
        if (adminConnection != null)
            try {
                adminConnection.close();
            } catch (IOException e) {
            }
    }
}

From source file:it.txt.ens.core.util.AMQPFactory.java

License:Apache License

public static Connection createConnection(ENSAuthzServiceConnectionParameters params) throws IOException {
    //create and configure the RabbitMQ Connection Factory
    ConnectionFactory factory = new ConnectionFactory();
    factory.setUsername(params.getSubjectID());
    factory.setPassword(params.getAccessToken());
    factory.setPort(params.getBrokerPort());
    factory.setHost(params.getBrokerHost());
    factory.setVirtualHost(params.getVirtualHost());
    return factory.newConnection();
}

From source file:itinno.example.ExampleRabbitmqClient.java

public static void main(String[] args) {
    Logger logger = null;//w w w. j  a va  2 s. c o m
    String patternLayout = "%5p %d{yyyy-MM-dd HH:mm:ss,sss} %file %t %L: %m%n";

    try {
        // Initialise logger context and logger pattern encoder
        LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
        PatternLayoutEncoder patternLayoutEncoder = new PatternLayoutEncoder();

        // Set logging pattern (UTF-8 log)
        // logging patterns defined at http://logback.qos.ch/manual/layouts.html
        patternLayoutEncoder.setPattern(patternLayout);
        patternLayoutEncoder.setContext(loggerContext);
        patternLayoutEncoder.setCharset(Charset.forName("UTF-8"));
        patternLayoutEncoder.start();

        // log to console
        ConsoleAppender<ILoggingEvent> appender = new ConsoleAppender<ILoggingEvent>();
        appender.setContext(loggerContext);
        appender.setEncoder(patternLayoutEncoder);
        appender.start();

        // Finally setup the logger itself
        logger = (Logger) LoggerFactory.getLogger(ExampleRabbitmqClient.class.getName());
        logger.addAppender(appender);
        logger.setLevel(Level.DEBUG);
        logger.setAdditive(false);
    } catch (Exception e) {
        e.printStackTrace();
        System.exit(1);
    }

    /*try {
    VisualIndexer.init("/home/kandreadou/webservice/learning_files/","127.0.0.1",LoggerFactory.getLogger(ExampleRabbitmqClient.class));
    VisualIndexer v = new VisualIndexer("simtest");
    v.index("http://resources0.news.com.au/images/2012/08/16/1226451/587056-120816-obama.jpg","obama1");
    } catch (Exception ex) {
    System.out.println(ex);
    }*/

    logger.info("rabitmq client started");

    // send a UTF-8 encoded JSON tweet to the RabbitMQ (for stormspout to pick up and send to bolt)
    try {
        // check args
        /*if ( args.length < 1 ) {
        logger.error( "Usage: example_rabbitmq_client <JSON_filename>" );
        System.exit( 1 );
        }
        logger.info( "JSON file = " + args[0] );*/
        String strJSONFilePath = "/home/kandreadou/mklab/example-tweet-utf8.json";

        // check if the path to JSON file exists
        File fileJSON = new File(strJSONFilePath);

        System.out.println(fileJSON.getAbsolutePath());

        if (fileJSON.exists() == false) {
            logger.info("JSON file does not exist : " + strJSONFilePath);
            logger.info("Usage: example_rabbitmq_client <JSON_filename>");
            System.exit(1);
        }

        // read UTF-8 JSON text from file
        logger.info("ExampleRabbitmqClient started");

        List<String> lines = Files.readAllLines(Paths.get(strJSONFilePath), Charset.forName("UTF-8"));
        String strJSON = "";
        for (String line : lines) {
            if (line.length() > 0) {
                strJSON = strJSON + "\n";
            }
            strJSON = strJSON + line;
        }
        logger.info("JSON test message = " + strJSON);

        // connect to rabbitmq broker
        // first of all create connection factory
        ConnectionFactory factory = new ConnectionFactory();
        factory.setUri("amqp://guest:guest@localhost:5672/%2F");
        long timestampSinceEpoch = System.currentTimeMillis() / 1000;

        // initialise connection and define channel
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();

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

        // publish message
        /* Exchange name should be {assessment_id}+ "_exchange" */
        channel.basicPublish("indexing_exchange", "test-routing", basicProperties.build(),
                strJSON.getBytes("UTF-8"));

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

        logger.info("ExampleRabbitmqClient finished");

    } catch (Exception e) {
        e.printStackTrace();
        logger.error(e.getMessage());
        System.exit(1);
    }
}

From source file:javarpc_client.RPCClient.java

public RPCClient() throws Exception {
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost("localhost");
    connection = (Connection) factory.newConnection();
    channel = connection.createChannel();

    replyQueueName = channel.queueDeclare().getQueue();
    consumer = new QueueingConsumer(channel);
    channel.basicConsume(replyQueueName, true, consumer);
}

From source file:javarpc_server.JavaRPC_Server.java

/**
 * @param args the command line arguments
 * @throws java.io.IOException/*from  w  ww  .j av  a  2s  . c om*/
 * @throws java.lang.InterruptedException
 */
public static void main(String[] args) throws IOException, InterruptedException {
    // TODO code application logic here

    ConnectionFactory factory = new ConnectionFactory();
    System.out.println(factory.getUsername() + " " + factory.getPassword());
    factory.setHost("localhost");

    Connection connection = factory.newConnection();
    Channel 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(" [x] Awaiting RPC requests");

    while (true) {
        QueueingConsumer.Delivery delivery = consumer.nextDelivery();

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

        String message = new String(delivery.getBody());

        System.out.println(" [.] convert(" + message + ")");
        String response = "" + convert(message);

        channel.basicPublish("", props.getReplyTo(), replyProps, response.getBytes());

        channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
    }
}

From source file:joram.amqp.PersistenceSimpleTest.java

License:Open Source License

public void recover1() throws Exception {
    ConnectionFactory cnxFactory = new ConnectionFactory();
    Connection connection = cnxFactory.newConnection();

    Channel channel = connection.createChannel();
    DeclareOk declareOk = channel.queueDeclare("testqueue", true, false, false, null);

    channel.txSelect();//from   w w w .  j  a v a2  s.c om
    for (int i = 0; i < 5; i++) {
        channel.basicPublish("", declareOk.getQueue(), MessageProperties.PERSISTENT_BASIC,
                "this is a test message !!!".getBytes());
    }
    channel.txCommit();

    killAgentServer((short) 0);

    startAgentServer((short) 0);

    connection = cnxFactory.newConnection();
    channel = connection.createChannel();
    declareOk = channel.queueDeclarePassive("testqueue");

    for (int i = 0; i < 5; i++) {
        GetResponse msg = channel.basicGet("testqueue", true);
        assertNotNull(msg);
        assertEquals("this is a test message !!!", new String(msg.getBody()));
    }

    GetResponse msg = channel.basicGet("testqueue", true);
    assertNull(msg);

    channel.queueDelete(declareOk.getQueue());
}

From source file:joram.amqp.PersistenceSimpleTest.java

License:Open Source License

public void recover2() throws Exception {
    ConnectionFactory cnxFactory = new ConnectionFactory();
    Connection connection = cnxFactory.newConnection();

    Channel channel = connection.createChannel();
    DeclareOk declareOk = channel.queueDeclare("testqueue", true, false, false, null);

    channel.txSelect();/*w  w  w . ja  v  a 2s. co m*/
    for (int i = 0; i < 5; i++) {
        channel.basicPublish("", declareOk.getQueue(), MessageProperties.PERSISTENT_BASIC,
                "this is a test message !!!".getBytes());
    }
    channel.txCommit();

    killAgentServer((short) 0);

    startAgentServer((short) 0);
    Thread.sleep(500);

    connection = cnxFactory.newConnection();
    channel = connection.createChannel();
    declareOk = channel.queueDeclarePassive("testqueue");

    QueueingConsumer consumer = new QueueingConsumer(channel);
    channel.basicConsume(declareOk.getQueue(), true, consumer);

    for (int i = 0; i < 5; i++) {
        Delivery msg = consumer.nextDelivery(1000);
        assertNotNull(msg);
        assertEquals("this is a test message !!!", new String(msg.getBody()));
    }

    Delivery msg = consumer.nextDelivery(1000);
    assertNull(msg);

    channel.queueDelete(declareOk.getQueue());

}

From source file:joram.amqp.QueueTest.java

License:Open Source License

public void queueDeclareName() throws Exception {
    ConnectionFactory cnxFactory = new ConnectionFactory();
    Connection connection = cnxFactory.newConnection();

    Channel channel = connection.createChannel();
    DeclareOk declareOk = channel.queueDeclare("testqueue", true, false, false, null);

    assertEquals("testqueue", declareOk.getQueue());
}

From source file:joram.bridgeamqp.AMQPReceiver.java

License:Open Source License

public static AMQPReceiver createAMQPConsumer(String queue) throws IOException {
    ConnectionFactory cnxFactory = new ConnectionFactory();
    connection = cnxFactory.newConnection();
    Channel channel = connection.createChannel();

    AMQPReceiver consumer = new AMQPReceiver(channel, queue);
    channel.basicConsume(queue, true, consumer);

    return consumer;
}

From source file:joram.bridgeamqp.AMQPSender.java

License:Open Source License

public void run() {
    ConnectionFactory cnxFactory = null;
    Connection connection = null;
    Channel channel = null;/*from   w  w  w. j  a  v a2 s .  co m*/
    try {
        cnxFactory = new ConnectionFactory();
        connection = cnxFactory.newConnection();
        channel = connection.createChannel();
        //      channel.queueDeclare(queue, true, false, false, null);
    } catch (Exception exc) {
        exc.printStackTrace();
        return;
    }

    System.out.println(SenderId + " starts");

    // Convert message properties
    AMQP.BasicProperties props = new AMQP.BasicProperties();
    if (persistent) {
        props.setDeliveryMode(Integer.valueOf(org.objectweb.joram.shared.messages.Message.PERSISTENT));
    } else {
        props.setDeliveryMode(Integer.valueOf(org.objectweb.joram.shared.messages.Message.NON_PERSISTENT));
    }
    props.setCorrelationId(null);
    props.setPriority(4);
    props.setType(String.valueOf(org.objectweb.joram.shared.messages.Message.TEXT));
    props.setExpiration("0");

    try {
        for (int i = 0; i < nbmsgs; i++) {
            props.setTimestamp(new Date());
            props.setMessageId(SenderId + i);
            channel.basicPublish("", queue, props, getBody("Message number " + i));
            if (delay > 0)
                Thread.sleep(delay);
        }
    } catch (Exception exc) {
        exc.printStackTrace();
    } finally {
        try {
            System.out.println(SenderId + " stops");
            connection.close();
        } catch (IOException exc) {
            exc.printStackTrace();
        }
    }
}