Grails Spring Security SAML2.0 Plugin for Grails
· The Plugin basically creates a bridge from your Grails application configurationto both the Spring Security SAML service provider library and the Grails Spring Security Plugin.Instead of having to map all of the beans in your application, the plugin wires the SAML service providerbeans based on your application configuration.
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 spring-security-saml-5.0.0-RC3.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.