Examples with RabbitMQMessage org.apache.axis2.transport.rabbitmq.RabbitMQMessage used on opensource projects

Example 1 with RabbitMQMessage

use of org.apache.axis2.transport.rabbitmq.RabbitMQMessage in project wso2-axis2-transports by wso2.

the class RabbitMQMessageSender method publish.

/**
 * Perform the creation of exchange/queue and the Outputstream
 *
 * @param message    the RabbitMQ AMQP message
 * @param msgContext the Axis2 MessageContext
 */
public void publish(RabbitMQMessage message, MessageContext msgContext) throws AxisRabbitMQException, IOException {
    String exchangeName = null;
    AMQP.BasicProperties basicProperties = null;
    byte[] messageBody = null;
    if (rmqChannel.isOpen()) {
        String queueName = properties.get(RabbitMQConstants.QUEUE_NAME);
        String routeKey = properties.get(RabbitMQConstants.QUEUE_ROUTING_KEY);
        exchangeName = properties.get(RabbitMQConstants.EXCHANGE_NAME);
        String exchangeType = properties.get(RabbitMQConstants.EXCHANGE_TYPE);
        String replyTo = properties.get(RabbitMQConstants.REPLY_TO_NAME);
        String correlationID = properties.get(RabbitMQConstants.CORRELATION_ID);
        String queueAutoDeclareStr = properties.get(RabbitMQConstants.QUEUE_AUTODECLARE);
        String exchangeAutoDeclareStr = properties.get(RabbitMQConstants.EXCHANGE_AUTODECLARE);
        boolean queueAutoDeclare = true;
        boolean exchangeAutoDeclare = true;
        if (!StringUtils.isEmpty(queueAutoDeclareStr)) {
            queueAutoDeclare = Boolean.parseBoolean(queueAutoDeclareStr);
        }
        if (!StringUtils.isEmpty(exchangeAutoDeclareStr)) {
            exchangeAutoDeclare = Boolean.parseBoolean(exchangeAutoDeclareStr);
        }
        message.setReplyTo(replyTo);
        if (StringUtils.isEmpty(correlationID)) {
            // if reply-to is enabled a correlationID must be available. If not specified, use messageID
            correlationID = message.getMessageId();
        }
        if (!StringUtils.isEmpty(correlationID)) {
            message.setCorrelationId(correlationID);
        }
        if (queueName == null || queueName.equals("")) {
            log.debug("No queue name is specified");
        }
        if (routeKey == null && !"x-consistent-hash".equals(exchangeType)) {
            if (queueName == null || queueName.equals("")) {
                log.debug("Routing key is not specified");
            } else {
                log.debug("Routing key is not specified. Using queue name as the routing key.");
                routeKey = queueName;
            }
        }
        // read publish properties corr id and route key from message context
        Object prRouteKey = msgContext.getProperty(RabbitMQConstants.QUEUE_ROUTING_KEY);
        Object prCorrId = msgContext.getProperty(RabbitMQConstants.CORRELATION_ID).toString();
        if (prRouteKey != null) {
            routeKey = prRouteKey.toString();
            log.debug("Specifying routing key from axis2 properties");
        }
        if (prCorrId != null) {
            message.setCorrelationId(prCorrId.toString());
            log.debug("Specifying correlation id from axis2 properties");
        }
        // Declaring the queue
        if (queueAutoDeclare && queueName != null && !queueName.equals("")) {
            RabbitMQUtils.declareQueue(rmqChannel, queueName, properties);
        }
        // Declaring the exchange
        if (exchangeAutoDeclare && exchangeName != null && !exchangeName.equals("")) {
            RabbitMQUtils.declareExchange(rmqChannel, exchangeName, properties);
            if (queueName != null && !"x-consistent-hash".equals(exchangeType)) {
                // Create bind between the queue and exchange with the routeKey
                try {
                    rmqChannel.getChannel().queueBind(queueName, exchangeName, routeKey);
                } catch (IOException e) {
                    handleException("Error occurred while creating the bind between the queue: " + queueName + " & exchange: " + exchangeName + " with route-key " + routeKey, e);
                }
            }
        }
        AMQP.BasicProperties.Builder builder = buildBasicProperties(message);
        String deliveryModeString = properties.get(RabbitMQConstants.QUEUE_DELIVERY_MODE);
        int deliveryMode = RabbitMQConstants.DEFAULT_DELIVERY_MODE;
        if (deliveryModeString != null) {
            deliveryMode = Integer.parseInt(deliveryModeString);
        }
        builder.deliveryMode(deliveryMode);
        if (!StringUtils.isEmpty(replyTo)) {
            builder.replyTo(replyTo);
        }
        basicProperties = builder.build();
        OMOutputFormat format = BaseUtils.getOMOutputFormat(msgContext);
        MessageFormatter messageFormatter = null;
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            messageFormatter = MessageProcessorSelector.getMessageFormatter(msgContext);
        } catch (AxisFault axisFault) {
            throw new AxisRabbitMQException("Unable to get the message formatter to use", axisFault);
        }
        // given. Queue/exchange creation, bindings should be done at the broker
        try {
            // x-consistent-hash type
            if (exchangeType != null && exchangeType.equals("x-consistent-hash")) {
                routeKey = UUID.randomUUID().toString();
            }
        } catch (UnsupportedCharsetException ex) {
            handleException("Unsupported encoding " + format.getCharSetEncoding(), ex);
        }
        try {
            messageFormatter.writeTo(msgContext, format, out, false);
            messageBody = out.toByteArray();
        } catch (IOException e) {
            handleException("IO Error while creating BytesMessage", e);
        } finally {
            if (out != null) {
                out.close();
            }
        }
        try {
            /**
             * Check for parameter on confirmed delivery in RabbitMq to ensure reliable delivery.
             * Can be enabled by setting the parameter "rabbitmq.confirm.delivery" to "true" in broker URL.
             */
            boolean isConfirmedDeliveryEnabled = Boolean.parseBoolean(properties.get(RabbitMQConstants.CONFIRMED_DELIVERY));
            if (isConfirmedDeliveryEnabled) {
                rmqChannel.getChannel().confirmSelect();
            }
            if (exchangeName != null && exchangeName != "") {
                rmqChannel.getChannel().basicPublish(exchangeName, routeKey, basicProperties, messageBody);
            } else {
                rmqChannel.getChannel().basicPublish("", routeKey, basicProperties, messageBody);
            }
            if (isConfirmedDeliveryEnabled) {
                rmqChannel.getChannel().waitForConfirmsOrDie();
            }
        } catch (IOException e) {
            handleException("Error while publishing the message", e);
        } catch (InterruptedException e) {
            handleException("InterruptedException while waiting for AMQP message confirm :", e);
        }
    } else {
        handleException("Channel cannot be created");
    }
}

Example 2 with RabbitMQMessage

use of org.apache.axis2.transport.rabbitmq.RabbitMQMessage in project wso2-axis2-transports by wso2.

the class RabbitMQMessageReceiver method processThroughAxisEngine.

/**
 * Process the new message through Axis2
 *
 * @param message the RabbitMQMessage
 * @return true if the caller should commit
 * @throws AxisFault on Axis2 errors
 */
private boolean processThroughAxisEngine(RabbitMQMessage message) throws AxisFault {
    MessageContext msgContext = endpoint.createMessageContext();
    String amqpCorrelationID = message.getCorrelationId();
    if (amqpCorrelationID != null && amqpCorrelationID.length() > 0) {
        msgContext.setProperty(RabbitMQConstants.CORRELATION_ID, amqpCorrelationID);
    } else {
        msgContext.setProperty(RabbitMQConstants.CORRELATION_ID, message.getMessageId());
    }
    String contentType = message.getContentType();
    if (contentType == null) {
        log.warn("Unable to determine content type for message " + msgContext.getMessageID() + " setting to text/plain");
        contentType = RabbitMQConstants.DEFAULT_CONTENT_TYPE;
        message.setContentType(contentType);
    }
    msgContext.setProperty(RabbitMQConstants.CONTENT_TYPE, contentType);
    if (message.getContentEncoding() != null) {
        msgContext.setProperty(RabbitMQConstants.CONTENT_ENCODING, message.getContentEncoding());
    }
    String soapAction = message.getSoapAction();
    if (soapAction == null) {
        soapAction = RabbitMQUtils.getSOAPActionHeader(message);
    }
    String replyTo = message.getReplyTo();
    if (replyTo != null) {
        msgContext.setProperty(Constants.OUT_TRANSPORT_INFO, new RabbitMQOutTransportInfo(rabbitMQConnectionFactory, replyTo, contentType));
    }
    RabbitMQUtils.setSOAPEnvelope(message, msgContext, contentType);
    try {
        listener.handleIncomingMessage(msgContext, RabbitMQUtils.getTransportHeaders(message), soapAction, contentType);
    } catch (AxisFault axisFault) {
        log.error("Error when trying to read incoming message ...", axisFault);
        return false;
    }
    return true;
}

Example 3 with RabbitMQMessage

use of org.apache.axis2.transport.rabbitmq.RabbitMQMessage in project wso2-axis2-transports by wso2.

the class RabbitMQRPCMessageSender method publish.

/**
 * Perform the creation of exchange/queue and the Outputstream
 *
 * @param message    the RabbitMQ AMQP message
 * @param msgContext the Axis2 MessageContext
 */
private void publish(RabbitMQMessage message, MessageContext msgContext) throws AxisRabbitMQException, IOException {
    String exchangeName = null;
    AMQP.BasicProperties basicProperties = null;
    byte[] messageBody = null;
    if (dualChannel.isOpen()) {
        String queueName = epProperties.get(RabbitMQConstants.QUEUE_NAME);
        String routeKey = epProperties.get(RabbitMQConstants.QUEUE_ROUTING_KEY);
        exchangeName = epProperties.get(RabbitMQConstants.EXCHANGE_NAME);
        String exchangeType = epProperties.get(RabbitMQConstants.EXCHANGE_TYPE);
        String correlationID = epProperties.get(RabbitMQConstants.CORRELATION_ID);
        String replyTo = dualChannel.getReplyToQueue();
        String queueAutoDeclareStr = epProperties.get(RabbitMQConstants.QUEUE_AUTODECLARE);
        String exchangeAutoDeclareStr = epProperties.get(RabbitMQConstants.EXCHANGE_AUTODECLARE);
        boolean queueAutoDeclare = true;
        boolean exchangeAutoDeclare = true;
        if (!StringUtils.isEmpty(queueAutoDeclareStr)) {
            queueAutoDeclare = Boolean.parseBoolean(queueAutoDeclareStr);
        }
        if (!StringUtils.isEmpty(exchangeAutoDeclareStr)) {
            exchangeAutoDeclare = Boolean.parseBoolean(exchangeAutoDeclareStr);
        }
        message.setReplyTo(replyTo);
        if ((!StringUtils.isEmpty(replyTo)) && (StringUtils.isEmpty(correlationID))) {
            // if reply-to is enabled a correlationID must be available. If not specified, use messageID
            correlationID = message.getMessageId();
        }
        if (!StringUtils.isEmpty(correlationID)) {
            message.setCorrelationId(correlationID);
        }
        if (queueName == null || queueName.equals("")) {
            log.info("No queue name is specified");
        }
        if (routeKey == null && !"x-consistent-hash".equals(exchangeType)) {
            if (queueName == null || queueName.equals("")) {
                log.info("Routing key is not specified");
            } else {
                log.info("Routing key is not specified. Using queue name as the routing key.");
                routeKey = queueName;
            }
        }
        // Declaring the queue
        if (queueAutoDeclare && queueName != null && !queueName.equals("")) {
            // get channel with dualChannel.getChannel() since it will create a new channel if channel is closed
            RabbitMQUtils.declareQueue(dualChannel, queueName, epProperties);
        }
        // Declaring the exchange
        if (exchangeAutoDeclare && exchangeName != null && !exchangeName.equals("")) {
            RabbitMQUtils.declareExchange(dualChannel, exchangeName, epProperties);
            if (queueName != null && !"x-consistent-hash".equals(exchangeType)) {
                // Create bind between the queue and exchange with the routeKey
                try {
                    dualChannel.getChannel().queueBind(queueName, exchangeName, routeKey);
                } catch (IOException e) {
                    handleException("Error occurred while creating the bind between the queue: " + queueName + " & exchange: " + exchangeName + " with route-key " + routeKey, e);
                }
            }
        }
        // build basic properties from message
        AMQP.BasicProperties.Builder builder = buildBasicProperties(message);
        String deliveryModeString = epProperties.get(RabbitMQConstants.QUEUE_DELIVERY_MODE);
        int deliveryMode = RabbitMQConstants.DEFAULT_DELIVERY_MODE;
        if (deliveryModeString != null) {
            deliveryMode = Integer.parseInt(deliveryModeString);
        }
        // TODO : override properties from message with ones from transport properties
        // set builder properties from transport properties (overrides current properties)
        builder.deliveryMode(deliveryMode);
        builder.replyTo(replyTo);
        basicProperties = builder.build();
        OMOutputFormat format = BaseUtils.getOMOutputFormat(msgContext);
        MessageFormatter messageFormatter = null;
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            messageFormatter = MessageProcessorSelector.getMessageFormatter(msgContext);
        } catch (AxisFault axisFault) {
            throw new AxisRabbitMQException("Unable to get the message formatter to use", axisFault);
        }
        // given. Queue/exchange creation, bindings should be done at the broker
        try {
            // x-consistent-hash type
            if (exchangeType != null && exchangeType.equals("x-consistent-hash")) {
                routeKey = UUID.randomUUID().toString();
            }
        } catch (UnsupportedCharsetException ex) {
            handleException("Unsupported encoding " + format.getCharSetEncoding(), ex);
        }
        try {
            messageFormatter.writeTo(msgContext, format, out, false);
            messageBody = out.toByteArray();
        } catch (IOException e) {
            handleException("IO Error while creating BytesMessage", e);
        } finally {
            if (out != null) {
                out.close();
            }
        }
        try {
            if (exchangeName != null && exchangeName != "") {
                if (log.isDebugEnabled()) {
                    log.debug("Publishing message to exchange " + exchangeName + " with route key " + routeKey);
                }
                dualChannel.getChannel().basicPublish(exchangeName, routeKey, basicProperties, messageBody);
            } else {
                if (log.isDebugEnabled()) {
                    log.debug("Publishing message with route key " + routeKey);
                }
                dualChannel.getChannel().basicPublish("", routeKey, basicProperties, messageBody);
            }
        } catch (IOException e) {
            handleException("Error while publishing the message", e);
        }
    } else {
        handleException("Channel cannot be created");
    }
}

Example 4 with RabbitMQMessage

use of org.apache.axis2.transport.rabbitmq.RabbitMQMessage in project wso2-axis2-transports by wso2.

the class RabbitMQRPCMessageSender method processResponse.

private RabbitMQMessage processResponse(String correlationID) throws IOException {
    QueueingConsumer consumer = dualChannel.getConsumer();
    QueueingConsumer.Delivery delivery = null;
    RabbitMQMessage message = new RabbitMQMessage();
    String replyToQueue = dualChannel.getReplyToQueue();
    String queueAutoDeclareStr = epProperties.get(RabbitMQConstants.QUEUE_AUTODECLARE);
    boolean queueAutoDeclare = true;
    if (!StringUtils.isEmpty(queueAutoDeclareStr)) {
        queueAutoDeclare = Boolean.parseBoolean(queueAutoDeclareStr);
    }
    if (queueAutoDeclare && !RabbitMQUtils.isQueueAvailable(dualChannel.getChannel(), replyToQueue)) {
        log.info("Reply-to queue : " + replyToQueue + " not available, hence creating a new one");
        RabbitMQUtils.declareQueue(dualChannel, replyToQueue, epProperties);
    }
    int timeout = RabbitMQConstants.DEFAULT_REPLY_TO_TIMEOUT;
    String timeoutStr = epProperties.get(RabbitMQConstants.REPLY_TO_TIMEOUT);
    if (!StringUtils.isEmpty(timeoutStr)) {
        try {
            timeout = Integer.parseInt(timeoutStr);
        } catch (NumberFormatException e) {
            log.warn("Number format error in reading replyto timeout value. Proceeding with default value (30000ms)", e);
        }
    }
    try {
        if (log.isDebugEnabled()) {
            log.debug("Waiting for delivery from reply to queue " + replyToQueue + " corr id : " + correlationID);
        }
        delivery = consumer.nextDelivery(timeout);
        if (delivery != null) {
            if (!StringUtils.isEmpty(delivery.getProperties().getCorrelationId())) {
                if (delivery.getProperties().getCorrelationId().equals(correlationID)) {
                    if (log.isDebugEnabled()) {
                        log.debug("Found matching response with correlation ID : " + correlationID + ".");
                    }
                } else {
                    log.error("Response not queued in " + replyToQueue + " for correlation ID : " + correlationID);
                    return null;
                }
            }
        } else {
            log.error("Response not queued in " + replyToQueue);
        }
    } catch (ShutdownSignalException e) {
        log.error("Error receiving message from RabbitMQ broker " + e.getLocalizedMessage());
    } catch (InterruptedException e) {
        log.error("Error receiving message from RabbitMQ broker " + e.getLocalizedMessage());
    } catch (ConsumerCancelledException e) {
        log.error("Error receiving message from RabbitMQ broker" + e.getLocalizedMessage());
    }
    if (delivery != null) {
        log.debug("Processing response from reply-to queue");
        AMQP.BasicProperties properties = delivery.getProperties();
        Map<String, Object> headers = properties.getHeaders();
        message.setBody(delivery.getBody());
        message.setDeliveryTag(delivery.getEnvelope().getDeliveryTag());
        message.setReplyTo(properties.getReplyTo());
        message.setMessageId(properties.getMessageId());
        // get content type from message
        String contentType = properties.getContentType();
        if (contentType == null) {
            // if not get content type from transport parameter
            contentType = epProperties.get(RabbitMQConstants.REPLY_TO_CONTENT_TYPE);
            if (contentType == null) {
                // if none is given, set to default content type
                log.warn("Setting default content type " + RabbitMQConstants.DEFAULT_CONTENT_TYPE);
                contentType = RabbitMQConstants.DEFAULT_CONTENT_TYPE;
            }
        }
        message.setContentType(contentType);
        message.setContentEncoding(properties.getContentEncoding());
        message.setCorrelationId(properties.getCorrelationId());
        if (headers != null) {
            message.setHeaders(headers);
            if (headers.get(RabbitMQConstants.SOAP_ACTION) != null) {
                message.setSoapAction(headers.get(RabbitMQConstants.SOAP_ACTION).toString());
            }
        }
    }
    return message;
}

Example 5 with RabbitMQMessage

use of org.apache.axis2.transport.rabbitmq.RabbitMQMessage in project wso2-axis2-transports by wso2.

the class RabbitMQRPCMessageSender method send.

public RabbitMQMessage send(RabbitMQMessage message, MessageContext msgContext) throws AxisRabbitMQException, IOException {
    publish(message, msgContext);
    RabbitMQMessage responseMessage = processResponse(message.getCorrelationId());
    // release the dual channel to the pool
    try {
        connectionFactory.pushRPCChannel(dualChannel);
    } catch (InterruptedException e) {
        handleException(e.getMessage());
    }
    return responseMessage;
}