Java Swing-UI Drag and Drop into Outlook Attachment

We would like to drag and drop files into Outlook from a Java swing UI.

That is, you must
- provide a simple Swing UI
- that displays more than one item
- that can be dragged into Outlook email composer as an attachment (single & multi select)
- technology is Java & Maven

Deliverables:
- short video that demos the functionality
- complete source code
- instructions on how to build the source code

Thank you and best regards from Hamburg!
Patrick