How to combine PicketLink IDM and IDP?

[tjacbra2]

I am planning for a project using PicketLink for managing Identities (IDM)  and for SSO. How can I combine those two? E.g. how can I force a PicketLink IDP application to look in an Identity Store during authentication for verifying a username and password.

Is it even possible?  And is it a good scenario?

[anil.saldhana]

The IDM project has a JAAS loginmodule.  That should be used.

We have not tested that scenario yet.