Is it possible to Determine which OAuth Library to use?

As now we have OAuth and OAuth2 protocol for the various services l开发者_如何学运维ike Facebook, Twitter, etc. I would to know if it is possible to detect which Service uses which OAuth from the backend programming and hence proceed to use the best suited OAuth 1 or OAuth 2 class library for the OAuth?

Thanks.

You have to read each service provider's(facebook, twitter, etc) API documentation and decide based on that