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Subject: Re: [trans-ws] SOAP Attachments
Hi Magnus, After a lot of thought I have been converted to your proposal, taking into account Ian Harris' comments as well. Regards, AZ Magnus Martikainen wrote: > Hi Andrzej, > > When Stephen originally came up with the idea of totally abandoning > attachments in favour of URI I suggested that we include an optional web > method that allows uploading a file as an attachment and retrieve an URI > for it, something like: > > uploadFile > > Input: > - SOAP attachment (DIME?) > > Output: > - URI that can be used to reference the uploaded file in future calls to > the web service > > > I personally is still of the opinion that this is a pretty useful > compromise. > > * It is an optional part of the specification which means that > implementers of the web service are not required to support it, but > callers can easily find out if it is supported or not by simply querying > for it. > > * We can still draw the full benefits of the use of URIs throughout the > system. If the uploadFile method is not implemented, or if working with > files that are not suitable to submit as attachment, or for other > reasons why attachments may not be a good choice the data can still be > passed around using URIs only. > > * For web service callers, the existence of the uploadFile method means > that they have a known means of transferring data (at least data for > which the SOAP attachments is a useful protocol), which does not require > the caller to provide and manage the lifetime of a URI that is > accessible by the web service implementation. Thus the calling can be > made "one-directional" - the caller calls the service, but not the other > way around. This can simplify implementations significantly. This also > means a lot better control over security related issues, both for the > web service implementation and the caller. > > As you may remember from the voting, I explicitly cast my vote > conditionally for the URI-only option, pending that we could resolve > this kind of issues. > > Best regards, > Magnus > > > -----Original Message----- > From: Andrzej Zydron [mailto:azydron@xml-intl.com] > Sent: Tuesday, February 01, 2005 1:06 AM > To: trans-ws@lists.oasis-open.org > Subject: [trans-ws] SOAP Attachments > > Hi Everyone, > > I have been grappling with the SOAP with attachments issue over the > past few days, based on the feedback from Ian Harris. > > I would like to consider allowing SOAP with attachments as an > <emph>option</emph> for small files for requestQuote, submitJob and > retrieveJob only. > > What does everyone think? > > Thanks in advance, > > AZ > -- email - azydron@xml-intl.com smail - c/o Mr. A.Zydron PO Box 2167 Gerrards Cross Bucks SL9 8XF United Kingdom Mobile +(44) 7966 477 181 FAX +(44) 1753 480 465 www - http://www.xml-intl.com This message contains confidential information and is intended only for the individual named. If you are not the named addressee you may not disseminate, distribute or copy this e-mail. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message which arise as a result of e-mail transmission. If verification is required please request a hard-copy version. Unless explicitly stated otherwise this message is provided for informational purposes only and should not be construed as a solicitation or offer.
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