boolean outbound = (Boolean)messageContext.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
if (outbound) {
// get the LogicalMessage from our context
//
LogicalMessage msg = messageContext.getMessage();
// check the payload, if its an AddNumbers request, we'll intervene
//
JAXBContext jaxbContext = JAXBContext.newInstance(AddNumbers.class);
Object payload = msg.getPayload(jaxbContext);
if (payload instanceof AddNumbers) {
AddNumbers req = (AddNumbers)payload;
// now, if the arguments are small, let's do the calculation here
//
int a = req.getArg0();
int b = req.getArg1();
if (isSmall(a) && isSmall(b)) {
int answer = a + b;
//System.out.printf("SmallNumberHandler addNumbers(%d, %d) == %d\n", a, b, answer);
// ok, we've done the calculation, so build the
// response and set it as the payload of the message
AddNumbersResponse resp = new AddNumbersResponse();
resp.setReturn(answer);
msg.setPayload(resp, jaxbContext);
// finally, return false, indicating that request
// processing stops here and our answer will be
// returned to the client
return false;