JA-SIG CAS Client for Java
· JA-SIG CAS Client for Java is the integration point for applications that want to speak with a CAS
server, either via the CAS 1.0 or CAS 2.0 protocol.
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 cas-client-3.1.3-rc3.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.