How to import WebDynPro Java application into nwds

Hi All,

I need to customize the existing WD Java application.

From the server

apps/sap.com/ess~empquota

1)How to import it in to NWDS?

2) In which format I need to import in nwds?

I have downloaded the application (ess~empquota) from server. Now I need to customize this application.

Thanks and regards,

Karthik.S