url rewriting in jboss server

[dibonuser]

Hi,

i am using jBoss as application server,
i want to do url rewriting, as

url like...
http://www.test.com/product.do?title=digitaltv
rewrite to...
http://www.test.com/product/digitaltv

i am following this article:

http://www.jboss.org/file-access/default/members/jbossweb/freezone/docs/latest/rewrite.html

Please help, i am new to jboss server!