Hi Roys,
For complex Mapping, complex/hierarchical files surch as XML, JSON, EDIFACT, Mainframe COPYBOOK file format; Talend provide a dedicated Mapping solution named Talend Data Mapper which comes with a tHMap component.
This module is only available in our Commercial Offering : Talend Platform.
Please contact our sales department close to your office location.
Let me know where you're based and I could introduce you to the right people in the US, or EMEA or the rest of the world.
Best regards