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RE: Hierarchical URLs and Collections

From: Larry Masinter <masinter@parc.xerox.com>
Date: Thu, 20 Aug 1998 22:42:24 PDT
To: "Yaron Goland" <yarong@microsoft.com>, "Jim Davis" <jdavis@parc.xerox.com>, "Falkenhainer, Brian C" <BFalkenhainer@crt.xerox.com>
Cc: "WebDAV working group" <w3c-dist-auth@w3.org>
Message-ID: <000901bdccc6$793131e0$15d0000d@copper-208.parc.xerox.com>
|I have a resource called http://a/b/c. I delete http://a/b. Is http://a/b/c
|deleted?

Is this a trick question?

   DELETE instructs that the collection specified in the request-URI
   and all its internal member resources are to be deleted.

So whether deleting http://a/b deletes http://a/b/c by dint of this
rule depends on whether http://a/b/c is or isn't an internal member
resource of http://a/b.

For the most part, WebDAV works fine without the assumption that
resource membership hierarchy is mapped onto URL syntax.

Of course, if we allow a resource to be an 'internal member' of multiple
collections, why, we might have to resort to reference counting! Or even
garbage collection!

Larry
-- 
http://www.parc.xerox.com/masinter 
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Received on Friday, 21 August 1998 01:42:31 GMT

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