- From: Julian Reschke <julian.reschke@gmx.de>
- Date: Wed, 29 May 2002 08:41:45 +0200
- To: "Jim Luther" <luther.j@apple.com>, <w3c-dist-auth@w3.org>
> From: w3c-dist-auth-request@w3.org > [mailto:w3c-dist-auth-request@w3.org]On Behalf Of Jim Luther > Sent: Wednesday, May 29, 2002 3:19 AM > To: w3c-dist-auth@w3.org > Subject: Lightweight PROPFIND requests > > > There are a few times when the Mac OS X WebDAV file system client needs > to use the PROPFIND method with "Depth: 1" on a collection resource to > determine if it contains any children resources. For example, POSIX > requires that my rmdir code must not delete a directory (collection) > unless it is empty. Since the WebDAV DELETE method doesn't work that way > (it deletes all children), my code uses the PROPFIND method with "Depth: > 1" to determine if the DELETE method can be called on the empty > collection, or if ENOTEMPTY should be returned because the collection > has children. I don't need any properties from that PROPFIND, just the > list of children. > > I tried this: > > <?xml version="1.0" encoding="utf-8"?> > <D:propfind xmlns:D="DAV:"> > <D:prop> > </D:prop> > </D:propfind> > > and it works with mod_dav. However (and this is my question), is this > legal by the rule <!ELEMENT prop ANY>? I looked through the XML docs to > see how ANY was defined but couldn't tell it allowed an empty set. It's legal according to the DTD, and I don't think that RFC2518 explicitly forbids it. It certainly works with our server. > If that's illegal and I must I ask for at least one property, I'll just > ask for the resourcetype property since it looks like the only property > that MUST be defined for all DAV compliant resources (all of the other > DAV properties are shoulds, or are MUSTs under certain conditions). That's probably the cheapest workaround -- but I'd try to stay with the former solution. If this breaks somewhere, please report the issue.
Received on Wednesday, 29 May 2002 03:07:47 UTC