Java in XML
Prospects of encoding Java source code in XML
 Sorcerer
Sorcerer is a source code cross reference generator. It analyzes a set of Java source files and produce HTML files that shows annotated source code.
 javac-API
The Java™ Programming Language Compiler, javac
 Javadoc Tool
Javadoc is a tool for generating API documentation in HTML format from doc comments in source code.
CodeML
Cosmos.java @ Google Code
http://code.google.com/p/livcos/source/browse/cosmos/trunk/src/org/livcos/cosmos/Cosmos.java#42

Example Source path:  svn/cosmos/trunk/src/org/livcos/cosmos/Cosmos.java

/livcos.org/data/map/brainstorm/documentation