Example usage for org.springframework.integration.jms JmsHeaderMapper toHeaders

Introduction

In this page you can find the example usage for org.springframework.integration.jms JmsHeaderMapper toHeaders.

Prototype

Map<String, Object> toHeaders(T source);

Source Link

Usage

From source file:org.springframework.cloud.stream.binder.jms.utils.RepublishMessageRecoverer.java

@Override
public void recover(Message undeliveredMessage, Throwable cause) {
    String deadLetterQueueName = queueProvisioner.provisionDeadLetterQueue();

    final JmsHeaderMapper mapper = new DefaultJmsHeaderMapper();
    MessageConverter converter = new SimpleMessageConverter();
    Object payload = null;/*from   w  ww .  ja  va2s  .c o  m*/

    try {
        payload = converter.fromMessage(undeliveredMessage);
    } catch (JMSException e) {
        logger.error("The message payload could not be retrieved. It will be lost.", e);
    }

    final Map<String, Object> headers = mapper.toHeaders(undeliveredMessage);
    headers.put(X_EXCEPTION_STACKTRACE, getStackTraceAsString(cause));
    headers.put(X_EXCEPTION_MESSAGE,
            cause.getCause() != null ? cause.getCause().getMessage() : cause.getMessage());
    try {
        headers.put(X_ORIGINAL_QUEUE, undeliveredMessage.getJMSDestination().toString());
    } catch (JMSException e) {
        logger.error("The message destination could not be retrieved", e);
    }
    Map<? extends String, ? extends Object> additionalHeaders = additionalHeaders(undeliveredMessage, cause);
    if (additionalHeaders != null) {
        headers.putAll(additionalHeaders);
    }

    jmsTemplate.convertAndSend(deadLetterQueueName, payload, new MessagePostProcessor() {
        @Override
        public Message postProcessMessage(Message message) throws JMSException {
            mapper.fromHeaders(new MessageHeaders(headers), message);
            return message;
        }
    });

}

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