Asset Administration Shell Serializer
· This project includes serializers to produce various data formats for objects from the Asset Administration Shell ontology, as well as means to validate these objects.
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 dataformat-parent-1.2.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.