mina
· MINA (Multipurpose Infrastructure for Network Applications) is a
network application framework which helps users develop high
performance and highly scalable network applications easily.
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 mina-parent-1.1.7-wso2v4.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.