Example usage for org.springframework.amqp.core MessagePostProcessor MessagePostProcessor

List of usage examples for org.springframework.amqp.core MessagePostProcessor MessagePostProcessor

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Introduction

In this page you can find the example usage for org.springframework.amqp.core MessagePostProcessor MessagePostProcessor.

Prototype

MessagePostProcessor

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Usage

From source file:cu.uci.uengine.amqp.SubmitsListener.java

@Override
public void onMessage(Message message, Channel channel) throws Exception {

    message.getMessageProperties().setHeader("__TypeId__", "cu.uci.uengine.model.dto.SubmissionDTO");

    try {//from w  ww  . j a v a  2  s  .  c  o  m
        SubmissionDTO submissionDTO = (SubmissionDTO) jsonMessageConverter.fromMessage(message);

        Submission submit = new SubmissionDTOToSubmissionAdapter(submissionDTO);

        log.info(String.format("Working on submission: %s", submit.toString()));

        Submission result = engine.call(submit);

        log.info(String.format("Sending sid %s: %s. %s", result.getId(), result.getVerdict(),
                result.getErrorMessage() == null ? "" : result.getErrorMessage()));

        VerdictDTO verdict = new SubmissionToVerdictDTOAdapter(result);

        submitTemplate.convertAndSend(verdict, new MessagePostProcessor() {
            @Override
            public Message postProcessMessage(Message message) throws AmqpException {
                message.getMessageProperties().setHeader("__TypeId__", "UEngineVerdict");
                return message;
            }
        });

        channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);

    } catch (MessageConversionException messageConversionException) {
        channel.basicNack(message.getMessageProperties().getDeliveryTag(), false, false);
        log.error(String.format("Wrong submission format: %s", messageConversionException.getMessage()));
    } catch (Exception ex) {
        channel.basicNack(message.getMessageProperties().getDeliveryTag(), false, false);
        log.error(String.format("Error preocessing message with correlationId: %s",
                message.getMessageProperties().getCorrelationId()));
    }
}

From source file:org.carewebframework.amqp.rabbitmq.Broker.java

/**
 * Sends an event to the default exchange.
 * //from w  w w  . j a  va  2s . c  om
 * @param eventName Name of the event.
 * @param eventData Associated event data.
 * @param sender Sender of the event.
 * @param recipients Recipients of the event.
 */
public void sendEvent(String eventName, Object eventData, final String sender, final String recipients) {
    getRabbitTemplate().convertAndSend(exchange.getName(), eventName, eventData, new MessagePostProcessor() {

        @Override
        public Message postProcessMessage(Message message) throws AmqpException {
            return decorateMessage(message, sender, recipients);
        }

    });
}

From source file:com.ushahidi.swiftriver.core.dropqueue.DropFilterPublisher.java

public void publishDrop(String dropsMapKey) {
    LOG.debug(String.format("Sending drop with correlation id %s to rules processor", dropsMapKey));

    synchronized (dropsMap) {
        RawDrop drop = dropsMap.get(dropsMapKey);

        // Drop doesn't exist; purge
        if (drop == null) {
            LOG.info("Drop with correlation ID '{}' not found", dropsMapKey);
            return;
        }//from www.ja va2s.  c o  m

        final byte[] correlationId = dropsMapKey.getBytes();
        final String replyTo = this.getCallbackQueueName();

        amqpTemplate.convertAndSend(drop, new MessagePostProcessor() {
            public Message postProcessMessage(Message message) throws AmqpException {
                message.getMessageProperties().setCorrelationId(correlationId);
                message.getMessageProperties().setReplyTo(replyTo);
                return message;
            }
        });
    }
}

From source file:com.ushahidi.swiftriver.core.rules.DropFilterQueueConsumer.java

public synchronized void onMessage(Message message, Channel channel)
        throws JsonGenerationException, JsonMappingException, IOException {

    // Serialize the message into a Drop POJO
    RawDrop drop = objectMapper.readValue(new String(message.getBody()), RawDrop.class);

    ConcurrentMap<Long, Map<Long, Rule>> rulesMap = rulesRegistry.getRulesMap();

    // Send the drop for rules processing
    rulesExecutor.applyRules(drop, rulesMap);

    // Set the source to "rules"
    drop.setSource("rules");

    // Get he correlation id and callback queue name
    final String correlationId = new String(message.getMessageProperties().getCorrelationId());
    String routingKey = message.getMessageProperties().getReplyTo();
    long deliveryTag = message.getMessageProperties().getDeliveryTag();

    // Place drop on the publishing queue
    amqpTemplate.convertAndSend(routingKey, drop, new MessagePostProcessor() {
        public Message postProcessMessage(Message message) throws AmqpException {
            try {
                message.getMessageProperties().setCorrelationId(correlationId.getBytes("UTF-8"));
            } catch (UnsupportedEncodingException e) {
                logger.error("An error occurred while setting the correlation ID {}", correlationId, e);
            }/*  w w  w. j a va 2 s .c o  m*/

            return message;
        }

    });

    // Only acknowledge the current message
    channel.basicAck(deliveryTag, false);

    logger.debug("Drop with correlation id {} has completed rules processing", correlationId);
}

From source file:com.ushahidi.swiftriver.core.dropqueue.DropHandler.java

/**
 * Receive drops placed on the DROPLET_QUEUE by channel apps.
 * /*ww  w .j  a  va2s  .  c  om*/
 * Caches the drop in the dropsMap for metadata updates and then publishes
 * the drop to the metadata exchange for metadata extraction to be
 * performed.
 * 
 * @param message
 * @throws IOException
 * @throws JsonMappingException
 * @throws JsonParseException
 */
public synchronized void onMessage(Message message, Channel channel)
        throws JsonParseException, JsonMappingException, IOException {

    RawDrop drop = objectMapper.readValue(new String(message.getBody()), RawDrop.class);

    final String correlationId = UUID.randomUUID().toString();
    final String replyTo = callbackQueue.getName();
    long deliveryTag = message.getMessageProperties().getDeliveryTag();

    dropsMap.put(correlationId, drop);
    DeliveryFrame deliveryFrame = new DeliveryFrame(deliveryTag, channel);
    deliveryFramesMap.put(correlationId, deliveryFrame);

    logger.debug("Sending drop with correlation ID {} to {}", correlationId, replyTo);
    amqpTemplate.convertAndSend(drop, new MessagePostProcessor() {
        public Message postProcessMessage(Message message) throws AmqpException {
            message.getMessageProperties().setReplyTo(replyTo);
            try {
                message.getMessageProperties().setCorrelationId(correlationId.getBytes("UTF-8"));
            } catch (UnsupportedEncodingException e) {
                throw new AmqpException(e);
            }
            return message;
        }
    });

    logger.debug("Drop sent for metadata extraction with correlation id '{}'", correlationId);
}

From source file:org.springframework.amqp.rabbit.core.RabbitTemplateIntegrationTests.java

@Test
public void testSendAndReceiveWithPostProcessor() throws Exception {
    template.convertAndSend(ROUTE, (Object) "message", new MessagePostProcessor() {
        public Message postProcessMessage(Message message) throws AmqpException {
            message.getMessageProperties().setContentType("text/other");
            // message.getMessageProperties().setUserId("foo");
            return message;
        }/* ww w .  j a v  a  2 s . c om*/
    });
    String result = (String) template.receiveAndConvert(ROUTE);
    assertEquals("message", result);
    result = (String) template.receiveAndConvert(ROUTE);
    assertEquals(null, result);
}

From source file:org.springframework.amqp.rabbit.core.RabbitTemplateIntegrationTests.java

@Test
public void testAtomicSendAndReceiveWithConversionAndMessagePostProcessor() throws Exception {
    final RabbitTemplate template = new RabbitTemplate(new CachingConnectionFactory());
    template.setRoutingKey(ROUTE);//from www.  j  a v a  2  s. c  o  m
    template.setQueue(ROUTE);
    ExecutorService executor = Executors.newFixedThreadPool(1);
    // Set up a consumer to respond to our producer
    Future<String> received = executor.submit(new Callable<String>() {

        public String call() throws Exception {
            Message message = null;
            for (int i = 0; i < 10; i++) {
                message = template.receive();
                if (message != null) {
                    break;
                }
                Thread.sleep(100L);
            }
            assertNotNull("No message received", message);
            template.send(message.getMessageProperties().getReplyTo(), message);
            return (String) template.getMessageConverter().fromMessage(message);
        }

    });
    String result = (String) template.convertSendAndReceive((Object) "message", new MessagePostProcessor() {
        public Message postProcessMessage(Message message) throws AmqpException {
            try {
                byte[] newBody = new String(message.getBody(), "UTF-8").toUpperCase().getBytes("UTF-8");
                return new Message(newBody, message.getMessageProperties());
            } catch (Exception e) {
                throw new AmqpException("unexpected failure in test", e);
            }
        }
    });
    assertEquals("MESSAGE", received.get(1000, TimeUnit.MILLISECONDS));
    assertEquals("MESSAGE", result);
    // Message was consumed so nothing left on queue
    result = (String) template.receiveAndConvert();
    assertEquals(null, result);
}

From source file:org.springframework.amqp.rabbit.core.RabbitTemplateIntegrationTests.java

@Test
public void testAtomicSendAndReceiveWithConversionAndMessagePostProcessorUsingRoutingKey() throws Exception {
    ExecutorService executor = Executors.newFixedThreadPool(1);
    // Set up a consumer to respond to our producer
    Future<String> received = executor.submit(new Callable<String>() {

        public String call() throws Exception {
            Message message = null;//w w w. j  av a2  s .  co m
            for (int i = 0; i < 10; i++) {
                message = template.receive(ROUTE);
                if (message != null) {
                    break;
                }
                Thread.sleep(100L);
            }
            assertNotNull("No message received", message);
            template.send(message.getMessageProperties().getReplyTo(), message);
            return (String) template.getMessageConverter().fromMessage(message);
        }

    });
    String result = (String) template.convertSendAndReceive(ROUTE, (Object) "message",
            new MessagePostProcessor() {
                public Message postProcessMessage(Message message) throws AmqpException {
                    try {
                        byte[] newBody = new String(message.getBody(), "UTF-8").toUpperCase().getBytes("UTF-8");
                        return new Message(newBody, message.getMessageProperties());
                    } catch (Exception e) {
                        throw new AmqpException("unexpected failure in test", e);
                    }
                }
            });
    assertEquals("MESSAGE", received.get(1000, TimeUnit.MILLISECONDS));
    assertEquals("MESSAGE", result);
    // Message was consumed so nothing left on queue
    result = (String) template.receiveAndConvert(ROUTE);
    assertEquals(null, result);
}

From source file:org.springframework.amqp.rabbit.core.RabbitTemplateIntegrationTests.java

@Test
public void testAtomicSendAndReceiveWithConversionAndMessagePostProcessorUsingExchangeAndRoutingKey()
        throws Exception {
    ExecutorService executor = Executors.newFixedThreadPool(1);
    // Set up a consumer to respond to our producer
    Future<String> received = executor.submit(new Callable<String>() {

        public String call() throws Exception {
            Message message = null;/*from   w  ww .j  av a  2s.  c o  m*/
            for (int i = 0; i < 10; i++) {
                message = template.receive(ROUTE);
                if (message != null) {
                    break;
                }
                Thread.sleep(100L);
            }
            assertNotNull("No message received", message);
            template.send(message.getMessageProperties().getReplyTo(), message);
            return (String) template.getMessageConverter().fromMessage(message);
        }

    });
    String result = (String) template.convertSendAndReceive("", ROUTE, "message", new MessagePostProcessor() {

        public Message postProcessMessage(Message message) throws AmqpException {
            try {
                byte[] newBody = new String(message.getBody(), "UTF-8").toUpperCase().getBytes("UTF-8");
                return new Message(newBody, message.getMessageProperties());
            } catch (Exception e) {
                throw new AmqpException("unexpected failure in test", e);
            }
        }
    });
    assertEquals("MESSAGE", received.get(1000, TimeUnit.MILLISECONDS));
    assertEquals("MESSAGE", result);
    // Message was consumed so nothing left on queue
    result = (String) template.receiveAndConvert(ROUTE);
    assertEquals(null, result);
}