Mega Code Archive
Use pattern to control the extension name of image type
<![CDATA[
File: Data.xml
<?xml version="1.0"?>
<products xmlns ="http://www.rntsoft.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.rntsoft.com Schema.xsd">
<product>
<name>name 1</name>
<image>a.gif</image>
<description>description 1</description>
<warranty>lifetime warranty</warranty>
<cost>41.95</cost>
<retailer>http://www.rntsoft.com</retailer>
</product>
<product>
<name>name 2</name>
<image>b.gif</image>
<description>description 2</description>
<cost>239.00</cost>
<retailer>http://www.rntsoft.com</retailer>
</product>
</products>
File: Schema.xsd
<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.rntsoft.com"
xmlns="http://www.rntsoft.com"
elementFormDefault="qualified">
<xsd:element name="products">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="product" minOccurs="0" maxOccurs="unbounded">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="name" type="xsd:string"/>
<xsd:element name="image" type="imageType"/>
<xsd:element name="description" type="xsd:string"/>
<xsd:element name="warranty" type="xsd:string" minOccurs="0"/>
<xsd:element name="weight" type="xsd:positiveInteger" minOccurs="0"/>
<xsd:element name="cost" type="money" maxOccurs="unbounded"/>
<xsd:element name="retailer" type="xsd:anyURI"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</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>
]]>