Element with substitutionGroup
File: Data.xml
<?xml version="1.0"?>
<products xmlns ="http://www.java2s.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.java2s.com Schema.xsd">
<product id="n1" electric="true" type="gear">
<description>description1</description>
<warranty>lifetime warranty</warranty>
<name>name1</name>
<image>a.gif</image>
<cost currency="USD">41.95</cost>
<retailer>http://www.java2s.com</retailer>
</product>
<product id="n2" electric="true" type="gear">
<description>description1</description>
<warranty>lifetime warranty</warranty>
<name>name2</name>
<image>b.gif</image>
<cost currency="USD">239.00</cost>
<retailer>http://www.java2s.com</retailer>
</product>
</products>
File: Schema.xsd
<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.java2s.com"
xmlns="http://www.java2s.com"
elementFormDefault="qualified">
<xsd:element name="warranty" type="xsd:string"/>
<xsd:element name="guarantee" substitutionGroup="warranty" type="xsd:string"/>
<xsd:complexType name="appliance">
<xsd:sequence>
<xsd:element name="description" type="xsd:string"/>
<xsd:element ref="warranty" minOccurs="0"/>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="productType">
<xsd:complexContent>
<xsd:extension base="appliance">
<xsd:sequence>
<xsd:element name="name" type="xsd:string"/>
<xsd:element name="image" type="imageType"/>
<xsd:element name="weight" type="xsd:positiveInteger" minOccurs="0"/>
<xsd:element name="cost" maxOccurs="unbounded">
<xsd:complexType>
<xsd:simpleContent>
<xsd:extension base="money">
<xsd:attribute name="currency" use="required">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="USD"/>
<xsd:enumeration value="CAD"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:attribute>
</xsd:extension>
</xsd:simpleContent>
</xsd:complexType>
</xsd:element>
<xsd:element name="retailer" type="xsd:anyURI"/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:ID" use="required"/>
<xsd:attribute name="electric" type="xsd:boolean" use="required"/>
<xsd:attribute name="type" use="required">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="press"/>
<xsd:enumeration value="gear"/>
<xsd:enumeration value="centrifugal"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:attribute>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
<xsd:element name="products">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="product" type="productType" minOccurs="0" maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:simpleType name="money">
<xsd:restriction base="xsd:decimal">
<xsd:fractionDigits value="2"/>
</xsd:restriction>
</xsd:simpleType>
<xsd:simpleType name="imageType">
<xsd:restriction base="xsd:string">
<xsd:pattern value="(.)+\.(gif|jpg|jpeg|bmp)"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:schema>
Related examples in the same category