Nexted reference : Reference « XML Schema « XML

1. XML
2. XML Schema
3. Reference

Nexted reference

File: Data.xml

<?xml version="1.0"?>
<images xmlns="http://www.java2s.com"
                   xmlns:i="http://www.java2s.com"
                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                   xsi:schemaLocation="http://www.java2s.com Schema.xsd">

    <image/>                            
    <image i:src="http://www.java2s.com"/>

</images>

File: Schema.xml

<?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="image">
        <xsd:complexType>
            <xsd:attribute ref="src"/>
        </xsd:complexType>
    </xsd:element>

    <xsd:attribute name="src">
        <xsd:simpleType>
            <xsd:restriction base="xsd:anyURI">
                <xsd:enumeration value="http://www.java2s.com"/>
                <xsd:enumeration value="http://www.java2s.com/style/logo.png"/>
                <xsd:enumeration value="http://www.java2s.com/isbn.html"/>
            </xsd:restriction>
        </xsd:simpleType>
    </xsd:attribute>

    <xsd:element name="images">
        <xsd:complexType>
            <xsd:sequence>
                <xsd:element ref="image" maxOccurs="2"/>
            </xsd:sequence>
        </xsd:complexType>
    </xsd:element>

</xsd:schema>

 

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