How to get current IUser (com.sapportals.portal.security.usermanagement)

Hi,

does anybody know how to get IUser for the current user?

I know how to get current IUser from com.sap.security.api package:

IWDClientUser wdcu = WDClientUser.getCurrentUser();

IUser sapUser = wdcu.getSAPUser();

but I need to have IUser from com.sapportals.portal.security.usermanagement package.

Regards,

Ladislav