Apache Isis Sub - Spring (parent)
· Utility services for interacting with the Spring application context (that hosts the Apache Isis application itself)
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 isis-subdomains-spring-2.0.0-M7.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.