Apache Taverna Activity archetype
· Archetype to build a Taverna 3 service activity.
Includes engine and UI parts, and a test class to run the workbench with the new activity.
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 taverna-activity-archetype-3.1.0-incubating.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.