throw new ProtocolException("google order number " +
"and merchant order number must not be empty");
}
try {
AddMerchantOrderNumberElement addOrderNumberRequest
= _objectFact.createAddMerchantOrderNumberElement();
addOrderNumberRequest.setGoogleOrderNumber(googleOrderNumber);
if (!StringUtil.isEmpty(merchantOrderNumber)) {
addOrderNumberRequest.setMerchantOrderNumber(merchantOrderNumber);
}
return convertToDOM(addOrderNumberRequest);
} catch (JAXBException jaxbEx) {
throw new ProtocolException(jaxbEx.getMessage());
}