JavaStats77 is a tool for generation source code statistics in html format and converting .java files into html. It is a subproject of Battery Project. See the example. It is an open source project. JavaStats77 is integrated with another open source project Java2Html.

JavaStats77 1.01 08/05/02
More smooth % bars.
Separate statistics for every package.
Packages are placed by its nesting levels.
Different colors for packages and classes.