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From Trond Hersløv <>
Subject request process flow and user profiling
Date Mon, 21 Jun 2004 21:46:59 GMT
I need to mainten a profile database with login, password, telephone numbers
and so on. I think I need to know how tomcat is handeling the request flow.
My goal is to achive the following (if there are better ways to it, please
let me know).
Profile profile = request.getSessio().getProfile();
if( ! profile.loggedIn){
  "the user is not logged in..."
I suppose there is a kind of pipeline of servlets that one after another is
processing the request object untill it finally is handeled by the end
servlet (e.g test.jsp)
If it doesn't allready exists, I would like to extend the session object
with to members:
public class mySession extends Session{
    Boolean loggedIn;    
    Profile    profile;
and put a class into the pipeline which, dependend on wether or not the user
is logged in, sets loggedIn=true and profile="som object containg profile
Does this allready exist as a functionallity in tomcat? I know other
servlet-containers (Dynamo from ATG) has this kind of profile handeling.
Where can I find documentation on how tomcat is processing the request flow?
Thanks in advance

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