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Topic

Fernando Bizuet

Subject: Problem to create Schema from XML Content
Author: Fernando Bizuet
Date: 27 Feb 2012 08:47 PM

Hello,

I'm not sure if it is a problem or new characteristic.

xsd files looks very different.

One year ago when I created schema from xml content I got a header like this:

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">

and tags were like <xs:element name="" type="xs:string"/>

But, now I have gotten a different xsd file and header is like this:

<xsd:schema xmlns:xsd='http://www.w3.org/2001/XMLSchema'>

ans tags are:
<xsd:element name='idCorrida' type='xsd:string'></xsd:element>

How can I obtain the same header and same type of file?

is it important elementFormDefault="qualified"?
Are a check box to enable "elementFormDefault"?

Best regards.

Ivan Pedruzzi

Subject: Problem to create Schema from XML Content
Author: Ivan Pedruzzi
Date: 28 Feb 2012 03:20 PM

Hi Fernando,

Which Stylus Studio version you have been running before?

The declaration you have posted is invalid, the attribute "name" cannot be empty

<xs:element name="" type="xs:string"/>

The latest release defaults to elementFormDefault="qualified" globally but depending on how the XML instance is shaped it does override the elementForm, for example given the following XML document

<a:books
xmlns:a="urn:xml:books">
<book>
<title>Java Web Services</title>
</book>
</a:books>

Stylus Studio generates

<xs:schema
xmlns:xs="http://www.w3.org/2001/XMLSchema"
elementFormDefault="qualified"
targetNamespace="urn:xml:books"
xmlns:a="urn:xml:books">
<xs:element name="books">
<xs:complexType>
<xs:sequence>
<xs:element name="book" form="unqualified">
<xs:complexType>
<xs:sequence>
<xs:element name="title" form="unqualified" type="xs:string"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>

Hope this helps
Ivan Pedruzzi
Stylus Studio Team

Fernando Bizuet

Subject: Problem to create Schema from XML Content
Author: Fernando Bizuet
Date: 28 Feb 2012 03:56 PM

Ivan. Thanks for your answer.

I have XML Enterprise Edition 2006, Release 3 and JVM 1.5.0_0b.

and yes, you are correct. Name attribute has a value. But this is not the problem. The problem is Stylus nowadays is creating xsd files in different way.

I attach a new and old xsd files.

Thanks.

schema-10xml.xsd
New xsd file

DefPktRW-2.xsd
Old xsd file

Ivan Pedruzzi

Subject: Problem to create Schema from XML Content
Author: Ivan Pedruzzi
Date: 28 Feb 2012 04:43 PM

Yes, in most recent Stylus Studio versions, the schema generator uses the Russian doll style unless an element appears in multiple contexts in which case it defines a global definition.

The following is a quite sophisticated example with an heterogeneous list of media

<?xml version="1.0"?>
<media
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="booksns3.xsd">
<book>
<title>Java Web Services</title>
<isbn>AAA</isbn>
</book>
<dvd>
<title>24 Hours</title>
</dvd>
<book>
<title>C# Web Services</title>
<isbn>BBB</isbn>
</book>
</media>

The resulting schema makes use of a common ancestor “title” then derives “book” from “title” and defines dvd as type title.

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
<xs:element name="media">
<xs:complexType>
<xs:choice maxOccurs="unbounded">
<xs:element ref="book"/>
<xs:element ref="dvd"/>
</xs:choice>
</xs:complexType>
</xs:element>
<xs:element name="book">
<xs:complexType>
<xs:complexContent>
<xs:extension base="title">
<xs:sequence>
<xs:element ref="isbn"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
</xs:element>
<xs:element name="isbn" type="xs:NCName"/>
<xs:element name="dvd" type="title"/>
<xs:complexType name="title">
<xs:sequence>
<xs:element ref="title"/>
</xs:sequence>
</xs:complexType>
<xs:element name="title" type="xs:string"/>
</xs:schema>

Stylus Studio does not allow to change strategy for schema generation.
May I ask you why this constitute a problem?

Ivan Pedruzzi
Stylus Studio Team

Fernando Bizuet

Subject: Problem to create Schema from XML Content
Author: Fernando Bizuet
Date: 28 Feb 2012 05:47 PM

Thanks Ivan.

I have a old internal-application that only uses old style.

are there any way that Stylus produces old style?

best regards.

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