parent
· Maven extension that records build execution times for every plugin and lifecycle phase in a build and uploads the metrics to a HTTP server with a simple web UI.
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 maven-build-profiler-parent-1.0.4.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.