Java / Linux LPT Port LED Array

We would like to develop a simple proto-type for an 25-pin LPT port LED light array. Similar to this home automation server example on Instructables, but based on JAVA and running on Linux. [login to view URL] The final deliverable will be a set of detailed instructions for installing, setting up and running the 25 pin LED light array. And a command line interface that allows us to turn on / off the digital 1 - 8 values for the LED LPT parallel port. Example: java –jar [login to view URL] {Digital Output Port Number 1-8}