WildFly: Vault Test Feature Pack
· Provides a stripped down version of the org.picketbox
module solely for WildFly Core testsuite use in testing its security vault functionality
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 wildfly-vault-test-feature-pack-3.1.0.Final.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.