org.apache.xalan.xslt.XSLTProcessor

Hi all,
   I need the above class to be imported in order to run a basic xalan
example.Although I used the Xalan.jar it doesn't contain a class like
that instead a  org.apache.xalan.xsltc. How can I use the class I
need?Any help is appreciated.
Thank you
Sanjaya Liyanage