olap through java

Hi,
I meed some help.
I have MS SQL server as my backend for warehouse. I want to fire MDX queries to MS SQL server through JAVA n I m looking for connectivity of OLAP features of MS SQL server n JAVA for the same.
Plz reply if anyone has the answer. It's very urgent.
Thanks
SWAROOP

http://mondrian.sourceforge.net/
http://jpivot.sourceforge.net/
http://rubik.sourceforge.net/

I know those links.
But the problem is that I have prepared OLAP cubes in MS SQL server.
I want to know how should i use jpivot,mondrian for MS SQL server.
If yes, what should I do to connect. What is the diff?
Please do reply......
Its very urgent.....
waiting!!!!!
Thanks
SWAROOP

I've not used it that way. You'll need to ask them on their forums or dig through their websites.

Thanks for ur support n suggestion.