posmulten
· Posmulten library is an open-source project for the generation of SQL DDL statements that make it easy for implementation of Shared Schema Multi-tenancy strategy via the Row Security Policies in the Postgres database.
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 parent-0.7.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.