/**
* Creates a JMS message from the Camel exchange and message
*
* @param exchange the current exchange
* @param session the JMS session used to create the message
* @return a newly created JMS Message instance containing the
* @throws JMSException if the message could not be created
*/
public Message makeJmsMessage(Exchange exchange, Session session) throws JMSException {
Message answer = makeJmsMessage(exchange, exchange.getIn(), session, null);
if (answer != null && messageCreatedStrategy != null) {
messageCreatedStrategy.onMessageCreated(answer, session, exchange, null);
}
return answer;
}
/**
* Creates a JMS message from the Camel exchange and message
*
* @param exchange the current exchange
* @param camelMessage the body to make a javax.jms.Message as
* @param session the JMS session used to create the message
* @param cause optional exception occurred that should be sent as reply instead of a regular body
* @return a newly created JMS Message instance containing the
* @throws JMSException if the message could not be created
*/
public Message makeJmsMessage(
Exchange exchange, org.apache.camel.Message camelMessage, Session session, Exception cause)
throws JMSException {
Message answer = null;
boolean alwaysCopy = endpoint != null && endpoint.getConfiguration().isAlwaysCopyMessage();
boolean force = endpoint != null && endpoint.getConfiguration().isForceSendOriginalMessage();
if (!alwaysCopy && camelMessage instanceof JmsMessage) {
JmsMessage jmsMessage = (JmsMessage) camelMessage;
if (!jmsMessage.shouldCreateNewMessage() || force) {
answer = jmsMessage.getJmsMessage();
if (!force) {
// answer must match endpoint type
JmsMessageType type =
endpoint != null ? endpoint.getConfiguration().getJmsMessageType() : null;
if (type != null && answer != null) {
if (type == JmsMessageType.Text) {
answer = answer instanceof TextMessage ? answer : null;
} else if (type == JmsMessageType.Bytes) {
answer = answer instanceof BytesMessage ? answer : null;
} else if (type == JmsMessageType.Map) {
answer = answer instanceof MapMessage ? answer : null;
} else if (type == JmsMessageType.Object) {
answer = answer instanceof ObjectMessage ? answer : null;
} else if (type == JmsMessageType.Stream) {
answer = answer instanceof StreamMessage ? answer : null;
}
}
}
}
}
if (answer == null) {
if (cause != null) {
// an exception occurred so send it as response
LOG.debug("Will create JmsMessage with caused exception: {}", cause);
// create jms message containing the caused exception
answer = createJmsMessage(cause, session);
} else {
ObjectHelper.notNull(camelMessage, "message");
// create regular jms message using the camel message body
answer =
createJmsMessage(
exchange,
camelMessage.getBody(),
camelMessage.getHeaders(),
session,
exchange.getContext());
appendJmsProperties(answer, exchange, camelMessage);
}
}
if (answer != null && messageCreatedStrategy != null) {
messageCreatedStrategy.onMessageCreated(answer, session, exchange, null);
}
return answer;
}
