[ http://issues.apache.org/jira/browse/WSCOMMONS-78?page=all ]

Jochen Wiedmann updated WSCOMMONS-78:
-------------------------------------

    Attachment: XmlSchema-include-handling2.patch

Ok, Dims, as requested, here's the updated patch.


> Including a schema without namespace into a schema with namespace is not 
> possible
> ---------------------------------------------------------------------------------
>
>                 Key: WSCOMMONS-78
>                 URL: http://issues.apache.org/jira/browse/WSCOMMONS-78
>             Project: WS-Commons
>          Issue Type: Bug
>          Components: XmlSchema
>            Reporter: Jochen Wiedmann
>         Attachments: XmlSchema-include-handling.patch, 
> XmlSchema-include-handling2.patch, XmlSchema-Include-Without-Namespace.patch
>
>
> The XML Schema specification states in "4.2.1 Assembling a schema for a 
> single target namespace from multiple schema definition documents":
>   2 One of the following must be true:
>   ...
>   2.3 SII has no targetNamespace [attribute] (but SII' does).
>   3 The appropriate case among the following must be true:
>   ...
>   3.2 If clause 2.3 above is satisfied, then the schema corresponding to the 
> <include>d item's parent <schema> must include not only definitions
>   or declarations corresponding to the appropriate members of its own 
> [children], but also components identical to all the - schema components-  of 
> I,
>   except that anywhere the - absent-  target namespace name would have 
> appeared, the - actual value-  of the targetNamespace [attribute] of SII' is 
> used.
>   In particular, it replaces - absent-  in the following places:
>   3.2.1 The {target namespace} of named schema components, both at the top 
> level and (in the case of nested type definitions and nested attribute and
>   element declarations whose code was qualified) nested within definitions;
>   3.2.2 The {namespace constraint} of a wildcard, whether negated or not;
> In other words, it is possible to include a schema without namespace, as if 
> it had the namespace of the including schema.
> Unfortunately this fails with XmlSchema, as the attached patch demonstrates. 
> The patch includes a simple test case and could be applied, if this bug is 
> fixed.
> Suggested resolution, as realized in JaxMeXS: If such a schema is being 
> parsed, then mutable instances of QName should be created, which would always
> return the target namespace of the schema.

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