Writing a parser for a typical SWIFT message is going to take you about 2 weeks for the very basics, even with a good programmer. Even if you wanted a few fields out of an incoming message and did not need to validate it, you will end up spending dozens of days over the following months patching all the options you forgot. And, bear in mind that the message itself and the rules will change each year based on normal SWIFT FIN MT Standards Release's. Read this white paper and discover a proven alternative that will speed up this process.