Intergrate Jasper report to Ruby on Rails Application

Hi,

Im very new in Ruby on Rails. I have to do intergrate jasper report
with Rails applications. I found the link
http://wiki.rubyonrails.org/rails/pages/HowtoIntegrateJasperReports.
But Im not clear how to do. Plz help me this how to do. If anybody
have sample application it will be very better. I look forward your
reply…

Thanks
Velu