ESS and CATS available in ABAP webdynpro

Hi Friends,

Currently we are under ECC6.0 with the following SP13.

SAP_BASIS 700 0013 SAPKB70013 SAP Basis Component

SAP_ABA 700 0013 SAPKA70013 Cross-Application Component

And iam looking is the ESS and CATS are available in ABAP webdynpro , i know thta these are available on JAVA side.

If i want to get ESS and CATS in ABAP Web dynpro , what we have to do ???

Could you send me useful links for ESS and CATS in ABAP webdynpro on Portals side.

Srinivas.