- https://cwiki.apache.org/confluence/display/OLTU/OAuth+2.0+Client+Quickstart
- https://github.com/apache/oltu
To understand OAuth 2:
- https://github.com/mspnp/multitenant-saas-guidance/blob/master/docs/appendixes/about-oauth2-oidc.md
- https://www.digitalocean.com/community/tutorials/an-introduction-to-oauth-2
- http://www.bubblecode.net/fr/2016/01/22/comprendre-oauth2/
- https://www.quora.com/How-does-OAuth-2-0-work
Others ressources:
- http://blogs.steeplesoft.com/posts/2013/a-simple-oauth2-client-and-server-example-part-i.html
- http://blogs.steeplesoft.com/posts/2013/a-simple-oauth2-client-and-server-example:-part-ii.html
- http://stackoverflow.com/questions/10296681/is-there-an-oauth-2-0-provider-implementation-in-java-not-oauth-client
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