MITREid Connect
· A reference implementation of OpenID Connect (http://openid.net/connect/), OAuth 2.0, and UMA built on top of Java, Spring, and Spring Security. The project contains a fully functioning server, client, and utility library.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window openid-connect-parent-1.3.4.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
