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From Trond Hersløv <>
Subject SV: request process flow and user profiling
Date Mon, 21 Jun 2004 22:18:10 GMT
Thanks, but I still don't know where to look for documentation.
Can you give me a link to pages describing Tomcat's pipeline and how to use


-----Opprinnelig melding-----
Fra: Filip Hanik - Dev []
Sendt: Tuesday, June 22, 2004 00:05
Til: Tomcat Users List
Emne: Re: request process flow and user profiling

you have tons of options,
Servlet filters (standard servlet API) lets you process requests.
Using a MVC framework, such as struts, you can build your own controllers,
hence do a bunch of stuff there
Use Tomcat's pipeline by building valves


----- Original Message -----
From: "Trond Hersløv" <>
To: <>
Sent: Monday, June 21, 2004 4:46 PM
Subject: request process flow and user profiling

> Hi,
> I need to mainten a profile database with login, password, telephone
> and so on. I think I need to know how tomcat is handeling the request
> 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..."
> else
> telephoneNumber=profile.getNumber();
> }
> I suppose there is a kind of pipeline of servlets that one after another
> 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:
> short:
> public class mySession extends Session{
>     Boolean loggedIn;
>     Profile    profile;
> }
> and put a class into the pipeline which, dependend on wether or not the
> is logged in, sets loggedIn=true and profile="som object containg profile
> information";
> 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
> Thanks in advance
> trond
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