IDOC To XML Scenario

Hi all,

In my scenario I need to map fields of IDOC XML to a v complex and generic Enevelope ( XML ) <b>As well as send the entire IDOC XML as a string to one of the fields of the target Envelope XML</b> </b> Now wht is the best approach for mapping :

Java / XSLT ?

Is there any better simpler method to achieve this requiremnet ?

Thanks and Regards,

KLK