staticpix

OAuth (Open Authentication)

OAuth Client - e.g. My Server
OAuth Provider - e.g. Facebook Server

1. Register the OAuth Client on the OAuth Provider
2. It gets back an Client ID and a Client Secret
(On FB you do this manually by creating a developer account)
3. We want to authorize a user via the OAuth Provider
   We send to "GET: provider.com/oauth/authorize?" with

staticpix

/*
JPA (Java Persistence API)

Transaction Management with an Entity-Mananger:
---
entityManager.getTransaction().begin();
entityManager.persist(<some-entity>);
entityManager.getTransaction().commit();
entityManager.clear();