JCA Remote System Connector
· A base implementation of a JEE Connector that provides Url, Username and Password properties. With this base implementation you should be able to create simple url based resource adapters without coding much overhead.
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 remote-system-connector-parent-1.1.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.