File: Data.xml
<?xml version="1.0"?>
<Book xmlns="http://www.java2java.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.java2java.com Schema.xsd">
<Title>title 1</Title>
<Author>author 1</Author>
<Author>author 2</Author>
<Date>1993</Date>
<ISBN>1-11111-111-1</ISBN>
<Publisher>publisher 1</Publisher>
</Book>
File: Schema.xml
<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.java2java.com"
xmlns="http://www.java2java.com"
elementFormDefault="qualified">
<xsd:element name="Book" type="bookType"/>
<xsd:complexType name="Publication">
<xsd:sequence>
<xsd:element name="Title" type="xsd:string" minOccurs="1" maxOccurs="unbounded"/>
<xsd:element name="Author" type="xsd:string" minOccurs="1" maxOccurs="unbounded"/>
<xsd:element name="Date" type="xsd:gYear" minOccurs="1" maxOccurs="1"/>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="bookType">
<xsd:complexContent>
<xsd:extension base="Publication" >
<xsd:sequence>
<xsd:element name="ISBN" type="xsd:string" minOccurs="1" maxOccurs="1"/>
<xsd:element name="Publisher" type="xsd:string" minOccurs="1" maxOccurs="1"/>
</xsd:sequence>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
</xsd:schema>
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