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RE: Content-free Header and Body elements

From: Martin Gudgin <mgudgin@microsoft.com>
Date: Thu, 15 May 2003 13:56:29 -0700
Message-ID: <7C083876C492EB4BAAF6B3AE0732970E0ADD8D1B@red-msg-08.redmond.corp.microsoft.com>
To: "Rich Salz" <rsalz@datapower.com>, "Christopher B Ferris" <chrisfer@us.ibm.com>
Cc: <xml-dist-app@w3.org>

Rich,
 
[1] says that the Header element is optional.
[2] says that it can be empty.
 
So, you're fine missing the Header element out, or putting it in but leaving it empty.
 
Gudge
 
[1] http://www.w3.org/TR/soap12-part1/#soapenvelope
[2] http://www.w3.org/TR/soap12-part1/#soaphead
 
 
 
 

________________________________

From: xml-dist-app-request@w3.org on behalf of Rich Salz
Sent: Thu 15/05/2003 19:50
To: Christopher B Ferris
Cc: xml-dist-app@w3.org
Subject: Re: Content-free Header and Body elements




> I won't presume to answer the first part, however per section 5.1 [1], a
> SOAP Envelope
> must have a soap:Body element information item, although that EII may be
> empty.

Thanks.  I *thought* so, I just missed it while skimming the spec.
Perhaps it's time for *me* to get new specs. :)

The more interesting one is the header element; looking forward to
answers there.
        /r$

>
> Hence,
>
>
>>   <S:Envelope>
>>      <S:Header><tns:foo/></S:Header>
>>   </S:Envelope>
>>and
>>   <S:Envelope>
>>   </S:Envelope>
>
>
> are both invalid SOAP messages.
>
> [1] http://www.w3.org/TR/soap12-part1/#soapenv
>
> Cheers,
>
> Christopher Ferris
> Architect, Emerging e-business Industry Architecture
> email: chrisfer@us.ibm.com
> phone: +1 508 234 3624
>
> xml-dist-app-request@w3.org wrote on 05/15/2003 02:16:20 PM:
>
>
>>Are the following messages semantically equivalent (namespace
>>declarations omitted for brevity)?
>>   <S:Envelope>
>>      <S:Header></S:Header>
>>      <S:Body><tns:foo/></S:Body>
>>   </S:Envelope>
>>and
>>   <S:Envelope>
>>      <S:Body><tns:foo/></S:Body>
>>   </S:Envelope>
>>
>>In other words, if there are no headers, are message processors allowed
>>to insert/delete an empty Header element?  I believe the answer is yes,
>>as I can't find text that says otherwise.
>>
>>And what if there are no EII's for the Body, can that be omitted?
>>   <S:Envelope>
>>      <S:Header><tns:foo/></S:Header>
>>   </S:Envelope>
>>and
>>   <S:Envelope>
>>   </S:Envelope>
>>
>>This has implications for message normalization and the ability to sign
>>SOAP messages.
>>   /r$
>>--
>>Rich Salz, Chief Security Architect
>>DataPower Technology         http://www.datapower.com
>>XS40 XML Security Gateway    http://www.datapower.com/products/xs40.html
>>
>
>


--
Rich Salz, Chief Security Architect
DataPower Technology         http://www.datapower.com
XS40 XML Security Gateway    http://www.datapower.com/products/xs40.html
Received on Thursday, 15 May 2003 16:59:38 GMT

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