Eclipse Maven Tycho XText Archetype
· Maven archetype that creates an Xtext project with a multi module Maven layout and Tycho (manifest-first approach).
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 emt-xtext-archetype-0.2.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.