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Date: Tue, 18 Nov 2008 10:15:19 +0100
From: =?ISO-8859-1?Q?Andr=E9_Warnier?= <aw@ice-sa.com>
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To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: HttpServletRequest.getUserPrincipal
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Caldarale, Charles R wrote:
>> From: Andr� Warnier [mailto:aw@ice-sa.com]
>> Subject: Re: HttpServletRequest.getUserPrincipal
> 
> Sorry for not answering sooner 
you are forgiven

- it's easier to do the source searching at home.
> 
>> is getRemoteUser() merely a shortcut, under which
>> happens a getUserPrincipal.getName()
> 
> At least in Tomcat, they're the same:
> 
>     public String getRemoteUser() {
>         if (userPrincipal != null) {
>             return (userPrincipal.getName());
>         } else {
>             return (null);
>         }
>     }
> 
> Can't speak for what goes on in other containers, or why the spec is somewhat ambiguous in that area.
> 
Thanks for clarifying this anyway for Tomcat.

As for the 1.5 Java specs, there are indeed a couple of black holes in 
the "Principal" area.  I tried to follow the links between doc pages in 
that respect, but could never get a clear description of what a 
"Principal" really looks like.  The only thing being said clearly is 
that "it" contains the authenticated user "id", or "name", and that "it" 
is null when the user is not authenticated.


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