rules
· Zip file with the rules for Findbugs, PMD, css for javadoc and third party and format files for the Maven license plugin.
This is expanded into the target directory by the addc-pom during building.
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 rules-1.7.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.