You can find it here: http://code.google.com/p/legstar-cob2xsd/.
The legstar-schemagen utility which was in charge of translating COBOL
structures so far is the oldest module in LegStar. It was originally
written in C with the idea that it should run on z/OS as well as Java.
The parsing logic was hand coded.
Legstar-cob2xsd is a complete rewrite. 100% in Java and it uses ANTLR
grammars for COBOL parsing.
The web site has a wiki page describing the differences between
legstar-cob2xsd and legstar-schemagen in detail.
My intent is to replace legstar-schemagen by legstar-cob2xsd in the next
releases for legstar, legstar-jbossesb and legstar-mule.
You are welcome to try it out and let us know your thoughts.
Fady