The OVSDB Plugin integration project is a project for OpenDaylight that will implement the Open vSwitch Database RFC 7047 management protocol allowing the Southbound configuration of vSwitches and a network virtualization implementation.
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 it-1.3.4-Boron-SR4.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
