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RE: New issue: Can the "use" attribute be eliminated?

From: Tim Ewald <tewald@microsoft.com>
Date: Thu, 5 Sep 2002 12:56:26 -0700
Message-ID: <8A3AE2CCBB6B46459DCCDD0EFCE7F5BA07025C29@red-msg-03.redmond.corp.microsoft.com>
To: <ryman@ca.ibm.com>, "Gaertner, Dietmar" <Dietmar.Gaertner@softwareag.com>
Cc: <www-ws-desc@w3.org>, <www-ws-desc-request@w3.org>

+1.

> -----Original Message-----
> From: ryman@ca.ibm.com [mailto:ryman@ca.ibm.com] 
> Sent: Thursday, September 05, 2002 3:29 PM
> To: Gaertner, Dietmar
> Cc: 'www-ws-desc@w3.org'; www-ws-desc-request@w3.org
> Subject: Re: New issue: Can the "use" attribute be eliminated?
> 
> 
> 
> FYI - the current thinking in WS-I.org is to support 
> doc/literal and rpc/literal, so yes rpc/literal makes sense. 
> IMHO, SOAP encoding has caused a lot of interop headaches. 
> Life would be simpler if literal was all we needed to support.
> 
> Arthur Ryman
> 
> 
> |---------+--------------------------------->
> |         |           "Gaertner, Dietmar"   |
> |         |           <Dietmar.Gaertner@soft|
> |         |           wareag.com>           |
> |         |           Sent by:              |
> |         |           www-ws-desc-request@w3|
> |         |           .org                  |
> |         |                                 |
> |         |                                 |
> |         |           09/05/2002 01:50 PM   |
> |         |                                 |
> |---------+--------------------------------->
>   
> >-------------------------------------------------------------
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>   |                                                           
>                                                 |
>   |       To:       "'www-ws-desc@w3.org'" 
> <www-ws-desc@w3.org>                                               |
>   |       cc:                                                 
>                                                 |
>   |       Subject:  New issue: Can the "use" attribute be 
> eliminated?                                         |
>   |                                                           
>                                                 |
>   |                                                           
>                                                 |
>   
> >-------------------------------------------------------------
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> 
> 
> 
> 
> I took an action item in today's telcon to formulate
> a possible new issue on whether the "use" attribute
> isn't redudant and can be eliminated. This has been
> discussed (among others) in the soaptf [1]. Following
> is the "use" attribute rationale extracted and slightly re-formulated.
> 
> 
> Can the "use" attribute be eliminated?
> --------------------------------------
> 
> The "use" attribute (soap:body, soap:header and 
> soap:headerfault element) has possible values: "literal" and 
> "encoded". The following combinations of style/use are possible:
>   document/literal - makes sense
>   document/encoded - makes sense (e.g. for docs using the 
> SOAP data model)
>   rpc/literal      - does this make sense? Probably not, because RPC
>                      implies a special encoding or format.
>   rpc/encoded      - makes sense (RPC even requires encoded)
> 
> Given that there can be used different encoding styles, and 
> when we have use="encoded" also encodingStyle="..." has to be 
> specified, isn't use="encoded" redundant? Even more,
> - doesn't encodingStyle="someURI" imply use="encoded"
> - and isn't a missing encodingStyle or encodingStyle="" equivalent
>   to use="literal"?
> 
> Proposal:
>   As the "use" attribute appears to be redundant
>   eliminate it and just use the "encodingStyle" attribute
>   to express "literal" via an empty string value and "encoded"
>   via a non-empty string value.
> 
> 
> 
> See also:
> Issue 45 [2] and 48 [3]; "use" attribute of [...] should be 
> optional and Arthur's encodingStyle proposal [4].
> 
> [1] http://lists.w3.org/Archives/Public/www-ws-desc/2002Jul/0039.html
> [2] 
> http://dev.w3.org/cvsweb/~checkout~/2002/ws/desc/issues/wsd-is
sues.html#x45
[3]
http://dev.w3.org/cvsweb/~checkout~/2002/ws/desc/issues/wsd-issues.html#
x48
[4] http://lists.w3.org/Archives/Public/www-ws-desc/2002Sep/0018.html



Regards, Dietmar.
Received on Thursday, 5 September 2002 15:56:33 GMT

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