Do anyone knows if there is a Ruby API to program the Lego robots?

There is a Java environment to accomplish such a task. 

http://java.sun.com/features/2002/05/robot.html

More on the subject at:
http://www.cs.uu.nl/people/markov/lego/challenge/index.html

Main page: http://mindstorms.lego.com/eng/default.asp?domainredir=www.legomindstorms.com

Thank you

Victor