kafka-connect-packaging-plugins
· Kafka Connect packaging plugins that allow developers to package Connect plugins (Connector, Converters, Transformations) in easily deployable archives supported by the Confluent Platform.
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 kafka-connect-packaging-plugins-0.12.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.