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Re: Lock

From: Greg Stein <gstein@lyra.org>
Date: Tue, 8 Feb 2000 03:34:19 -0800 (PST)
To: Rickard Falk <rickard.falk@excosoft.se>
cc: w3c-dist-auth@w3.org
Message-ID: <Pine.LNX.4.10.10002080332120.8462-100000@nebula.lyra.org>
On Tue, 8 Feb 2000, Rickard Falk wrote:
> I have another 'client side' related question.
> When I'm issuing a Lock command, can I include the 'If-Unmodified-Since' in
> the header ( http standard parameter...)?
> In our client a user can browse through allot of files, without having them
> locked. Then when he wants to edit the file, he then presses a lock button.
> But when he presses this button, the client must make sure that the file
> that he has read, is the latest one. Today I'm doing a Lock, then a Head
> command to se if the 'Last-Modified' parameter is changed since the Get. It
> would be much easier if I just could add the 'If-Unmodified-Since' in the
> Lock request.

You should be able to use If-Unmodified-Since (mod_dav will check for it).

Note that you could also use ETag values to check for changes. I think the
ETag is probably the Right Way to look for possible changes on the server.


Greg Stein, http://www.lyra.org/
Received on Tuesday, 8 February 2000 06:33:34 UTC

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