从Java中的文件解组SOAP信封

I want to unit-test the mapper objects that map/translate web service types generated by wsimport in to my own domain objects. I also want to test error-scenarios, such as SOAP faults and such, and I am thinking it would be best to test the mapper objects on authentic SOAP responses. I do not want to fire requests to the web service itself as this requires access to the web service, and poses round-trip time for each test.I want to unit-test the mapper objects that map