Model Ontology
· The PDS4 Model Ontology component conains the Protégé ontology instances for the PDS4 information and data model, and uses the Maven plugin "model-dmdocument" to generate documentation and other artifcats from the ontology into a generated JAR file.
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 model-ontology-14.0.8.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.