This is a library for building decision tables and to get test specifications from it. More about decision tables and how this library works you'll find in the help files for the project JDecisiontable (which is an application build around this library):
http://sourceforge.net/projects/jdecisiontable => Files => Help
This library can give you decision table and test specifications as strings in json and csv format. The project JDecisiontable take this strings and save them as text files...