java sp compatible and easy w shib idp

[Ci98yr]

Shib Gurus

I did my research and would appreciate if I can get additional pointers 


Currently have a Shib idp (it's awesome)

I need native and simple java Libs and approach to secure a web application. ofcourse, using SAml 2. sort of leveraging standard saml interfaces for future scaling 

what is the most easiest and straightforward way to implement this?
any step by step instrs would be most welcome


No, native c++ based shib code is not an option for us.

many thanks in advance 
GC

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