You can access all of the info using AMX beans. But, frankly, it's a bit of a dark art navigating that maze of twisty passages, all alike. (And, of course, this would be GF specific.)
It would probably be easier to harvest that info in a web app and pass along that info either in the arguments, or have a webapp make a one time call at startup "informing" you EJB tier of that info, and it can sock it away in a singleton for later reference.
That's the expeditious path, IMHO.
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