Apache Portals Bridges
· Portals Bridges provides support for JSR-168 compliant Portlet development using common web frameworks like Groovy, JSF, Perl, PHP, Struts, and Velocity
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 bridges-pom-1.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.