how to parse byteArray containing mms using java

Question

hi.. I have a byteArray containg MMS . I want to parse it, means I want to separate MMS header and mime parts(images/sound/video).

I have no idea how to do it, i have read WAP WSP Spec for decoding MMS, but not able to understand.

please provide links for any tutotrial(for beginners) or java code.

Thanks in advance;