Java SE (Java Platform, Standard Edition)

Hello guys,
I need your help to solve my question.
I embedded a applet into my jsf application.
My applet retrieve and show data from my jsf application.

I need to add a button to my applet, clicking on it a snaphost of applet must be generated into a pdf,
so what I need is exporting applet (as image) to a pdf.

Could you help me to show me which is the best way to do it or some simple code?

Thanks,
Regards