Element with substitutionGroup : substitutionGroup « XML Schema « XML






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>

 








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