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Patterson WaltzSubject: XML Schema to XML producing invalid document
Author: Patterson Waltz
Date: 17 Jun 2008 02:56 PM
Originally Posted: 17 Jun 2008 02:55 PM
Hello,

I'm using Stylus Studio to generate sample XML files based on an XSD I've created, and the files it produces then fail to validate against the same XSD. Thus far, I can't determine if it's my XSD which is misusing some portion of the Schema specification or if it's due to a Stylus bug.

The section of the XSD which proves problematic is structured like this:

<xs:complexType name="Drawing">
<xs:sequence>
<xs:element name="drawingType" type="xs:string"/>
<xs:choice maxOccurs="1">
<xs:sequence>
<xs:element name="drawingFirstDrawingDate" type="xs:date"/>
<xs:element name="drawingFrequency" type="xs:string"/>
<xs:element name="drawingCount" type="xs:int"/>
<xs:element name="drawingEndDate" type="xs:date"/>
</xs:sequence>
<xs:element name="drawingSchedule" type="AmountScheduleElement" maxOccurs="unbounded" />
</xs:choice>
<xs:element name="drawingInterest" type="Interest" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="drawingTenor" type="Tenor"/>
</xs:sequence>
</xs:complexType>

For choices and substitution groups, I have configured Stylus to "Generate all; all except first instance are commented"

In the resulting XML file, I get:

<facilityDrawingParameters>
<drawingType>string</drawingType><!--
<drawingFirstDrawingDate>1999-01-21</drawingFirstDrawingDate>
<drawingFrequency>string</drawingFrequency>
<drawingCount>-2147483648</drawingCount>
<drawingEndDate>1999-01-21</drawingEndDate>--><!--
<!&#x2D;-Element drawingSchedule, maxOccurs=unbounded&#x2D;->
<drawingSchedule date="1999-01-21">
<value>
<amount>
<nominal>1.23</nominal>
<currency>string</currency>
</amount><!&#x2D;-
<rate>0</rate>&#x2D;->
</value>
</drawingSchedule>
...-->
<!--Element drawingInterest is optional, maxOccurs=unbounded-->
<drawingInterest>
...
</drawingInterest>
<drawingInterest>
...
</drawingInterest>
<drawingInterest>
...
</drawingInterest>
<drawingTenor>
...
</drawingTenor>
</facilityDrawingParameters>

(ellipses ... used to remove content not pertinent to this question)

Stylus complains appropriately, upon validation of this XML, that:

Element 'drawingInterest' is not valid for content model: '((drawingType,(((drawingFirstDrawingDate,drawingFrequency,drawingCount),drawingEndDate)|drawingSchedule),drawingInterest),drawingTenor)'

Shouldn't Stylus be omitting the comment marks which enclose the first sequence of four elements generated after the drawingType element, based on my settings? If I manually remove the comment marks, the document validates properly.

Thanks in advance for any assistance you can provide.

Patterson

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Alberto MassariSubject: XML Schema to XML producing invalid document
Author: Alberto Massari
Date: 18 Jun 2008 03:32 PM
Hi Patterson,
which version of Stylus Studio are you running? I have tried your XMLSchema snippet and the XML I get is

<drawingType>string</drawingType>
<drawingFirstDrawingDate>1999-01-21</drawingFirstDrawingDate>
<drawingFrequency>string</drawingFrequency>
<drawingCount>-2147483648</drawingCount>
<drawingEndDate>1999-01-21</drawingEndDate><!--
<!&#x2D;-Element drawingSchedule, maxOccurs=unbounded&#x2D;->
<drawingSchedule/>
<drawingSchedule/>
<drawingSchedule/>-->
<!--Element drawingInterest is optional, maxOccurs=unbounded-->
<drawingInterest/>
<drawingInterest/>
<drawingInterest/>
<drawingTenor/>

in which the only commented element is drawingSchedule.

Alberto

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Patterson WaltzSubject: XML Schema to XML producing invalid document
Author: Patterson Waltz
Date: 19 Jun 2008 04:30 AM
>Hi Patterson,
>which version of Stylus Studio
>are you running?

Grazie per la sua risposta.

I'm using Build 1147c of Stylus Studio 2008 XML Enterprise Suite Release 2.

Would having my entire XSD be useful to you?

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Alberto MassariSubject: XML Schema to XML producing invalid document
Author: Alberto Massari
Date: 19 Jun 2008 05:55 AM
Hi,
I tried the small snippet with bl1147c, so it seems I need the entire set of XSDs in order to reproduce the behaviour. If you are not comfortable in posting it in a public forum, you can send to stylus-field-report@progress.com.

Thanks,
Alberto

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Patterson WaltzSubject: XML Schema to XML producing invalid document
Author: Patterson Waltz
Date: 19 Jun 2008 06:15 AM
I have sent the full set of XSDs to the indicated address.

Thanks in advance.

Postnext
Alberto MassariSubject: XML Schema to XML producing invalid document
Author: Alberto Massari
Date: 19 Jun 2008 11:20 AM
Hi Patterson,
thank you for sending the entire set of XSDs; it turns out that the XML generator is confused by the presence of the annotation under the xsd:choice definition. The fix for this bug will be available in the next update of Stylus, but in the meanwhile you should either fix the generated code or remove the annotation from the xsd:choice.

Hope this helps,
Alberto

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Patterson WaltzSubject: XML Schema to XML producing invalid document
Author: Patterson Waltz
Date: 19 Jun 2008 11:29 AM
Hi Alberto,

Thanks for the update and the workaround.
I am relieved to learn that the problem lies outside my scope of responsibility ;-)

P

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Ian ThomasSubject: XML Schema to XML producing invalid document
Author: Ian Thomas
Date: 30 Jul 2008 03:32 AM
>Hi Patterson,
>thank you for sending the
>entire set of XSDs; it turns
>out that the XML generator is
>confused by the presence of
>the annotation under the
>xsd:choice definition. The fix
>for this bug will be available
>in the next update of Stylus,
>but in the meanwhile you
>should either fix the
>generated code or remove the
>annotation from the
>xsd:choice.
>
>Hope this helps,
>Alberto

Aha, the (? ambiguous) xsd:choice definition....

Ian Thomas
--------------
Stylus Studio 2008 XML Enterprise Suite R2 (Build 1147b)

 
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