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Re: [orion-dev] Another question about Server API / File API
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Hi Vitaly,
I was the author of the server file
implementation, and I missed your questions because I was away on holiday
for the past two weeks. There are some incorrect details here. If you perform
copy, move, or create with "no-overwrite" header, and there is
a conflicting file at the destination, then the entire operation fails.
You should get a 412 "precondition failed" response from the
server. If you see a case where this does not happen, please open a bug.
This is documented in the API here:
http://wiki.eclipse.org/Orion/Server_API/File_API#Notes_on_POST_method
These copy/move overwrite semantics
were copied from WebDAV (apart from the header names):
http://tools.ietf.org/html/rfc4918#section-9.9.3
If you have any more questions feel
free to ask and I will try to answer. If you see inconsistencies between
spec and implementation, please open bug reports.
John
From:
"Kozyura, Vitaly"
<v.kozyura@xxxxxxx>
To:
Orion developer discussions
<orion-dev@xxxxxxxxxxx>,
Date:
08/14/2013 06:41 AM
Subject:
Re: [orion-dev]
Another question about Server API / File API
Sent by:
orion-dev-bounces@xxxxxxxxxxx
Hi Simon,
Ok. I understand your point.
And probably the empty directories on the source side should be deleted
(?).
From my perspective such
“move, no-overwrite” produces a strange remains on the source side, bit
if this is Orion specification, I can live with it.
Thank you for the explanation.
Vitaly
From: orion-dev-bounces@xxxxxxxxxxx
[mailto:orion-dev-bounces@xxxxxxxxxxx]
On Behalf Of Simon Kaegi
Sent: Dienstag, 13. August 2013 20:15
To: Orion developer discussions
Subject: Re: [orion-dev] Another question about Server API / File API
Indeed. I should have clarified that case.
The move is a best effort so that all files that can be successfully moved
are. If the files cannot be moved (because a file exists already and no-overwrite
is set) they are "not deleted" and will remain in the source
directory.
-Simon
Mike
Wilson---08/13/2013 11:51:00 AM---Definitely not ideal, if true. McQ.
Definitely not ideal, if true.
McQ.
"Kozyura,
Vitaly" ---2013/08/13 10:36:40---Does it mean existing files will
be skiped and nevertheless deleted from the source destination? Fro
From: "Kozyura, Vitaly" <v.kozyura@xxxxxxx>
To: Orion developer discussions <orion-dev@xxxxxxxxxxx>,
Date: 2013/08/13 10:36
Subject: Re: [orion-dev] Another question
about Server API / File API
Sent by: orion-dev-bounces@xxxxxxxxxxx
Does it mean existing files will be skiped and nevertheless deleted from
the source destination?
From: orion-dev-bounces@xxxxxxxxxxx
[mailto:orion-dev-bounces@xxxxxxxxxxx]
On Behalf Of Simon Kaegi
Sent: Dienstag, 13. August 2013 16:21
To: Orion developer discussions
Cc: Orion developer discussions; orion-dev-bounces@xxxxxxxxxxx
Subject: Re: [orion-dev] Another question about Server API / File API
1) Perform a "copy, no-overwrite"
2) Delete the source folder and all sub-files and folders.
"Kozyura,
Vitaly" ---08/13/2013 09:54:45 AM---Hi Simon, Thank you for the explanation.
Hi Simon,
Thank you for the explanation.
Could you describe me in the same way “move, no-overwrite”?
Regards,
Vitaly
From: orion-dev-bounces@xxxxxxxxxxx
[mailto:orion-dev-bounces@xxxxxxxxxxx]
On Behalf Of Simon Kaegi
Sent: Dienstag, 13. August 2013 15:44
To: Orion developer discussions
Subject: Re: [orion-dev] Another question about Server API / File API
For copy with no-overwrite we will "try"
to copy every file and folder only skipping files that already exist.
e.g.
1) If a folder already exists that's fine and any sub-file and folder copy
operations will continue.
2) If a file already exists we will skip it.
-Simon
"Kozyura,
Vitaly" ---08/12/2013 03:36:57 AM---Hi Mark, Thank you for the explanation.
Hi Mark,
Thank you for the explanation.
What should happen if by “copy directory, no-overwrite” one file inside
of the destination directory already exists?
Should the whole command be canceled?
What if only the empty destination directory exists?
Regards,
Vitaly
From: orion-dev-bounces@xxxxxxxxxxx
[mailto:orion-dev-bounces@xxxxxxxxxxx]
On Behalf Of Mark Macdonald
Sent: Freitag, 9. August 2013 18:13
To: Orion developer discussions
Subject: Re: [orion-dev] Another question about Server API / File API
Hi Vitaly,
Here are, taken from the Orion source code, the current values that can
go into X-Create-Options. (This is not an exhaustive list: more options
may be added in future, and implementations are required to ignore unrecognized
options.)
Valid
combinations are produced by taking one of either "copy" or "move",
and optionally adding "no-overwrite". Hence the valid combinations
are:
- copy
- move
- copy,
no-overwrite
(order doesn't matter)
- move,no-overwrite (order doesn't matter)
Thanks
for pointing out that these details were missing from the Server API docs.
I have added them to the wiki.
Mark
On Wed, Aug 7, 2013 at 11:21 AM, Kozyura, Vitaly <v.kozyura@xxxxxxx>
wrote:
Hi all,
I have another question about Orion File API.
What are the possible values for X-Create-Options
?
And what are the allowed combinations of this values ?
Is there some detailed documentation about it ?
Thanks in advance,
Vitaly
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