OpenDJ Directory Services Project
· OpenDJ is a new LDAPv3 compliant directory service, developed for the Java
platform, providing a high performance, highly available and secure store
for the identities managed by enterprises.
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 opendj-parent-4.5.5.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.