saml-nameid.xml activation condition based on NameID format?

[Paul B. Henson]

I'd like to control the activation of the
shibboleth.SAML2AttributeSourcedGenerator for the
urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress format based on
that format having been requested by the SP (either in it's actual
metadata or overriden by an EntityAttributes filter), along with a
qualifier for SP's that say they want "email address" but actually want
some other random crap.

The second condition I was going to base on an entity attribute tag and
the EntityAttributesPredicate bean. Is there anyway to
check what nameid format is being used for a transaction either via a
predicate bean or script? Effectively, something like:

if NameIDFormat ==
urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress and (not
EntityAttributesPredicate(name=crappy_sp, values=true))

Thanks...

-- 
Paul B. Henson  |  (909) 979-6361  |  http://www.cpp.edu/~henson/
Operating Systems and Network Analyst  |  henson at cpp.edu
California State Polytechnic University  |  Pomona CA 91768