Vaadin Application Archetype
· This archetype generates a Vaadin application as a Maven project.
The application contains a custom GWT widgetset that is compiled
by the GWT compiler and integrated into the project as part of the
build process. The application is based on the Vaadin Color Picker
Demo application available at http://vaadin.com.
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 vaadin-archetype-sample-1.7.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.