NotificationPortlet
· Content objects for displaying important notices from campus systems in uPortal based on Web Components and JSR-286 (Portlet 2.0)
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 notification-icon-4.5.3.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.