Mega Code Archive
0562 XSD and Schema Validation
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Consider the following XML document:
<?xml version="1.0"?>
<customers>
<customer id="1" status="active">
<firstname>Jack</firstname>
<lastname>Smith</lastname>
</customer>
<customer id="1" status="archived">
<firstname>Tom</firstname>
<lastname>James</lastname>
</customer>
</customers>
We can write an XSD for this document as follows:
<?xml version="1.0" encoding="utf-8"?>
<xs:schema attributeFormDefault="unqualified"
elementFormDefault="qualified"
xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:element name="customers">
<xs:complexType>
<xs:sequence>
<xs:element maxOccurs="unbounded" name="customer">
<xs:complexType>
<xs:sequence>
<xs:element name="firstname" type="xs:string" />
<xs:element name="lastname" type="xs:string" />
</xs:sequence>
<xs:attribute name="id" type="xs:int" use="required" />
<xs:attribute name="status" type="xs:string" use="required" />
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
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