Web-based Java viewer source

Calkins, David S david.s.calkins "at" lmco.com
Thu Jan 8 14:44:00 2004

I downloaded the source distro for RealVNC, but was unable to find the source for the Java viewer.  Does anyone know where the Java viewer source is?  Did I just miss it?  I found a set of .class files, but no .java files.