http esi testbed
· This project is designed to make it easy to write integration tests for HTTP proxies like Varnish Cache and for
other HTTP clients, such as RSS readers or web browsers and test their conformance to various parts of HTTP.
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 http-esi-testbed-1.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.