How to get active sessions in tomcat 5.0?

Hi,
As I am working on monitoring related requirement, I need to get no. Of active sessions,sessions created, etc.
I found interesting code in ManagerServlet, As it has some protected methods, I cant call it from its object, I need to create servlet for my work, So I even can't extend ManagerServlet, So I've created one POJO for that, But now I need to populte the context and many other objects,
Is there any other way out for this?,
I really appriciate any kind of help. :-)
-Jeff

hi :-)
http://java.sun.com/j2ee/tutorial/1_3-fcs/doc/Servlets.html
or
http://www.google.com.ph/search?hl=en&q=java+servlet+tutorial&btnG=Google+Search&meta=
regards,

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