complexType with restriction


File: Data.xml

<?xml version="1.0"?>
<Books xmlns="http://www.java2s.com"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation=
                              "http://www.java2s.com
                               Schema.xsd">
        <Publication xsi:type="MagazineType">
                <Title>title 1</Title>
                <Date>2008</Date>
        </Publication>
        <Publication xsi:type="BookType">
                <Title>title 1</Title>
                <Author>author 1</Author>
                <Date>2008</Date>
                <ISBN>1-11111-111-1</ISBN>
                <Publisher>publisher 1</Publisher>
        </Publication>
        <Publication xsi:type="BookType">
                <Title>title 3</Title>
                <Author>author 3</Author>
                <Date>2008</Date>
                <ISBN>3-33-33333-3</ISBN>
                <Publisher>publisher 3</Publisher>
        </Publication>
</Books>

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:complexType name="PublicationType" abstract="true">
        <xsd:sequence>
            <xsd:element name="Title" type="xsd:string"/>
            <xsd:element name="Author" type="xsd:string" minOccurs="0" maxOccurs="unbounded"/>
            <xsd:element name="Date" type="xsd:gYear"/>
        </xsd:sequence>
    </xsd:complexType>
    <xsd:complexType name="BookType">
        <xsd:complexContent>
            <xsd:extension base="PublicationType" >
                <xsd:sequence>
                    <xsd:element name="ISBN" type="xsd:string"/>
                    <xsd:element name="Publisher" type="xsd:string"/>
                </xsd:sequence>
            </xsd:extension>
        </xsd:complexContent>
    </xsd:complexType>
    <xsd:complexType name="MagazineType">
        <xsd:complexContent>
            <xsd:restriction base="PublicationType">
                <xsd:sequence>
                    <xsd:element name="Title" type="xsd:string"/>
                    <xsd:element name="Author" type="xsd:string" minOccurs="0" maxOccurs="0"/>
                    <xsd:element name="Date" type="xsd:gYear"/>
                </xsd:sequence>
            </xsd:restriction>
        </xsd:complexContent>
    </xsd:complexType>
    <xsd:element name="Publication" type="PublicationType"/>
    <xsd:element name="Books">
        <xsd:complexType>
            <xsd:sequence>
                <xsd:element ref="Publication" maxOccurs="unbounded"/>
            </xsd:sequence>
        </xsd:complexType>
    </xsd:element>
</xsd:schema>

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complexType with restriction : complexType « XML Schema « XML

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