Need A Java And Javascript Diff Tool Written In Java

We need an accurate diff utility for Java and Javascript files, written in Java. It should be invokable from within an Eclipse (version 3.2 or 3.3) application. Preferably we need

Solution 1:

Eclipse has a very good diff/compare plugin installed by default. Have you looked into using and/or extending that (it's opensource)? I would not think that adding some statistics reporting to the existing plug-in would be all that difficult, though sometimes plug-in development (even just simple extension) can be deceiving.

Good luck.

Solution 2:

See Diffj.

Solution 3:

I needed a Java diff implementation and found this: http://javacook.darwinsys.com/javasrc/textproc/Diff.java which I adapted.