Example usage for com.rabbitmq.client Delivery getBody

Introduction

In this page you can find the example usage for com.rabbitmq.client Delivery getBody.

Prototype

public byte[] getBody()

Source Link

Document

Retrieve the message body.

Usage

From source file:org.springframework.amqp.rabbit.listener.BlockingQueueConsumer.java

License:Apache License

/**
 * If this is a non-POISON non-null delivery simply return it.
 * If this is POISON we are in shutdown mode, throw
 * shutdown. If delivery is null, we may be in shutdown mode. Check and see.
 * @throws InterruptedException//ww w  .  j av  a 2  s .c om
 */
private Message handle(Delivery delivery) throws InterruptedException {
    if ((delivery == null && shutdown != null)) {
        throw shutdown;
    }
    if (delivery == null) {
        return null;
    }
    byte[] body = delivery.getBody();
    Envelope envelope = delivery.getEnvelope();

    MessageProperties messageProperties = this.messagePropertiesConverter
            .toMessageProperties(delivery.getProperties(), envelope, "UTF-8");
    messageProperties.setMessageCount(0);
    Message message = new Message(body, messageProperties);
    if (logger.isDebugEnabled()) {
        logger.debug("Received message: " + message);
    }
    deliveryTags.add(messageProperties.getDeliveryTag());
    return message;
}

From source file:org.zenoss.amqp.impl.ConsumerImpl.java

License:Open Source License

@SuppressWarnings("unchecked")
private Message<T> createMessage(Delivery delivery) throws AmqpException {
    final T body;
    final byte[] rawBody;
    final MessageProperties properties = new BasicPropertiesWrapper(delivery.getProperties());
    final MessageEnvelope envelope = new EnvelopeWrapper(delivery.getEnvelope());
    if ("deflate".equalsIgnoreCase(properties.getContentEncoding())) {
        try {//w w  w .ja  v a2s  .co  m
            rawBody = deflateDecompress(delivery.getBody());
        } catch (IOException e) {
            logger.warn("Failed to decompress message", e);
            // Throw MessageDecoderException so we don't loop attempting to read invalid message
            throw new MessageDecoderException(
                    DefaultMessage.newMessage(delivery.getBody(), properties, envelope), e);
        }
    } else {
        rawBody = delivery.getBody();
    }
    if (converter == null) {
        body = (T) rawBody;
    } else {
        try {
            body = converter.fromBytes(rawBody, properties);
        } catch (Exception e) {
            /* Throw exception with original received message on failure */
            throw new MessageDecoderException(DefaultMessage.newMessage(rawBody, properties, envelope), e);
        }
        /* Throw exception if we failed to convert the message */
        if (body == null) {
            throw new MessageDecoderException(DefaultMessage.newMessage(rawBody, properties, envelope));
        }
    }
    return DefaultMessage.newMessage(body, properties, envelope);
}

From source file:pl.nask.hsn2.DataStoreActiveCleaner.java

License:Open Source License

/**
 * Main loop. Listens for JobFinished and JobFinishedReminder and if one appears it starts job removing tasks.
 *///  w w w  .jav a2s. c  o m
private void listenAndClean() {
    try {
        QueueingConsumer consumer = initRabbitMqConnection();
        LOGGER.info("Waiting for messages...");
        while (true) {
            // Listen for message.
            Delivery delivery = consumer.nextDelivery();
            String type = delivery.getProperties().getType();
            LOGGER.debug("Got delivery {}", type);

            // Clean if job finished data.
            try {
                if ("JobFinished".equals(type)) {
                    JobFinished jobFinishedData = JobFinished.parseFrom(delivery.getBody());
                    startJobDataRemoving(jobFinishedData.getJob(), jobFinishedData.getStatus());
                } else if ("JobFinishedReminder".equals(type)) {
                    JobFinishedReminder jobFinishedData = JobFinishedReminder.parseFrom(delivery.getBody());
                    startJobDataRemoving(jobFinishedData.getJob(), jobFinishedData.getStatus());
                }
            } catch (InvalidProtocolBufferException e) {
                LOGGER.warn("Invalid message! Expected: " + type, e);
            }
        }
    } catch (ShutdownSignalException e) {
        LOGGER.warn("Shutdown signal received.", e);
    } catch (ConsumerCancelledException e) {
        LOGGER.info("Cancell signal received.", e);
    } catch (InterruptedException e) {
        LOGGER.error("Interrupted.", e);
    } catch (IOException e) {
        LOGGER.error("Connection issue.", e);
    }
}

From source file:pl.nask.hsn2.unicorn.connector.ConnectorImpl.java

License:Open Source License

public Response receive() throws ConnectionException {
    try {//ww w.  j  a  v  a2  s.c om
        Delivery delivery = consumer.nextDelivery();
        BasicProperties properties = delivery.getProperties();
        return new Response(properties.getType(), properties.getContentType(), delivery.getBody());
    } catch (ShutdownSignalException e) {
        throw new ConnectionException("Receiving error!", e);
    } catch (InterruptedException e) {
        throw new ConnectionException("Receiving error!", e);
    }
}