Re: Correct validation of schema type QName

[Mik Lernout]

Jeehong Min,
The QName needs to be resolvable in the the instance document. This 
basically means thet you will have to declare the prefix you are using 
in the Value-attribute somewhere in the namespace-context of that 
attribute, for example by doing:

<snip>
    <Response
             InResponseTo="ID_d03037d8-e25a-44dc-a6c2-5195ee3e8d13"
             IssueInstant="2004-03-05T15:28:51.490Z"
             MajorVersion="1"
             MinorVersion="1"
             ResponseID="ID_e6e8c8e6-d7a4-42e1-8020-b7825e3752fe"
             xmlns="urn:oasis:names:tc:SAML:1.0:protocol">
     <Status
   
xmlns:samlp="http://www.oasis-open.org/committees/security/docs/draft-sstc-schema-protocol-24.xsd";>
      <StatusCode Value="samlp:Success"/>
     </Status>
</snip>
Hope that helps,
Mik
Jeehong Min wrote:
I am wondering if the Value attribute of StatusCode is valid according 
to the schema:
 
instance doc:
 <Response
          InResponseTo="ID_d03037d8-e25a-44dc-a6c2-5195ee3e8d13"
          IssueInstant="2004-03-05T15:28:51.490Z"
          MajorVersion="1"
          MinorVersion="1"
          ResponseID="ID_e6e8c8e6-d7a4-42e1-8020-b7825e3752fe"
          xmlns="urn:oasis:names:tc:SAML:1.0:protocol">
  <Status>
   <StatusCode Value="samlp:Success"/>
  </Status>
...
</Response>
 
schema:
       <element name="StatusCode" type="samlp:StatusCodeType"/>
       <complexType name="StatusCodeType">
               <sequence>
                       <element ref="samlp:StatusCode" minOccurs="0"/>
               </sequence>
               <attribute name="Value" type="QName" use="required"/>
       </complexType>
 
Note that attribute Value is of type QName.  Currently, my XML 
validator (based on Xerces of course) throws an error saying:
 
- cvc-attribute.3: The value 'samlp:Success' of attribute 'Value' on 
element 'StatusCode' is not valid with respect to its type.
- UndeclaredPrefix: Cannot resolve 'samlp:Success' as a QName: the 
prefix 'samlp' is not declared.
Does the QName have to be resolveable in the instance document or does 
it merely have to be a "valid" QName, where a "valid" QName has a 
prefix, a local part, and a namespace URI?
 
Thanks,
 
Jeehong Min
 


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