SP's description vs entityID as URL

[Peter Schober]

* Peter Schober <peter.schober at univie.ac.at> [2015-10-06 11:29]:
> > https://wiki.shibboleth.net/confluence/display/SHIB2/IdPAuthUserPassLoginPage
> > 
> > the <idpui:serviceName/> is the only tag to represent the SP's entityID, or
> > is there any other way?
> 
> If you wanted to show the entityID itself even though the Metadata
> for the SP also has more palatable information available you could
> also get it from the request context.

The page above already includes the answer to your querstion, look for
loginContext.getRelyingPartyId()

-peter