Archiva Common Parent Project
· Archiva is an application for managing one or more remote
repositories, including administration, artifact handling,
browsing and searching.
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 archiva-parent-18.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.