Re: ServletContext.getContextPath() ?

On 19 Jul 2004, Nic Ferrier wrote:

| =?iso-8859-1?Q?Endre_St=F8lsvik?= <[email protected]> writes:
|
| > I must be missing something..
| >
| > Where can I find HttpServletRequest.getContextPath()-like information,
| > when only having the ServletContext?
| >
| > See, when I start up the web application, I'd like to check for some
| > extra config-information based on what the web application is named.
| >
| > In ServletContext's JavaDoc, it says:
| >   " There is one context per "web application" per Java Virtual Machine.
| > (A "web application" is a collection of servlets and content installed
| > under a specific subset of the server's URL namespace such as /catalog and
| > possibly installed via a .war file.) "
| >
| > But I -can't- get to this information (the "/catalog" part) w/o having a
| > request to work from? I'm just wondering if I have lost half of my brain
| > this weekend, or if something else is missing..
| >
| >   (I guess I in many circumstances could do some dirty trix with
| > context.getRealPath("foo") og getResource("foo"), and then parsing the
| > result for the context's name, but HEY this is really really bad, and not
| > what you'd want.)
|
|
| It's not possible for a webapp to know about where it is mapped until
| a request comes in.
|
| It's stupid I know... I campaigned for some time to have that changed
| but there was a belief that apps wouldn't be portable if this sort of
| information was knowable.

Eh, why would that make it less portable, said the belief? I mean, it is
-defined- that "A webapplication is [..] installed under a specific subset
of the server's URL namespace". Well, then, WHAT subset is that, please?!
I mean, the DOM idea is all well, but in the meantime (that won't happen
anytime soon, we all guess/know! ;), the information that the Servlet-spec
obviously is built around should be made available to the developers!
"-What am I called-", please?  I mean, the information is available
-directly- with a method in the Request object, so what's the deal?

Oh well.. You still in the servlet-gang, Nic? Count one more developer's
voice in on your voting for at least this one method next round! ;)

Endre



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