<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:po="http://xbean.interface_feature/averageCase/PurchaseOrder"
targetNamespace="http://xbean.interface_feature/averageCase/PurchaseOrder"
elementFormDefault="qualified">
	<xsd:annotation>
		<xsd:documentation xml:lang="en">
           Purchase order schema for Example.com.
           Copyright 2000 Example.com. All rights reserved.
        </xsd:documentation>
	</xsd:annotation>
	<xsd:element name="purchaseOrder" type="po:PurchaseOrderType"/>
	<xsd:element name="comment" type="xsd:string"/>
	<xsd:complexType name="PurchaseOrderType">
		<xsd:sequence>
			<xsd:element name="shipTo" type="po:USAddress"/>
			<xsd:element name="billTo" type="po:USAddress"/>
			<xsd:element ref="po:comment" minOccurs="0"/>
			<xsd:element name="items" type="po:Items"/>
		</xsd:sequence>
		<xsd:attribute name="orderDate" type="xsd:date"/>
	</xsd:complexType>
	<xsd:complexType name="USAddress">
		<xsd:sequence>
			<xsd:element name="name" type="xsd:string" nillable="true"/>
			<xsd:element name="street" type="xsd:string"/>
			<xsd:element name="city" type="xsd:string"/>
			<xsd:element name="state" type="xsd:string"/>
			<xsd:element name="zip" type="xsd:decimal"/>
		</xsd:sequence>
		<xsd:attribute name="country" type="xsd:NMTOKEN" fixed="US"/>
	</xsd:complexType>
	<xsd:complexType name="Items">
		<xsd:sequence>
			<xsd:element name="item" minOccurs="0" maxOccurs="unbounded">
				<xsd:complexType>
					<xsd:sequence>
						<xsd:element name="productName" type="xsd:string"/>
						<xsd:element name="quantity">
							<xsd:simpleType>
								<xsd:restriction base="xsd:positiveInteger">
									<xsd:maxExclusive value="100"/>
								</xsd:restriction>
							</xsd:simpleType>
						</xsd:element>
						<xsd:element name="USPrice" type="xsd:decimal"/>
						<xsd:element ref="po:comment" minOccurs="0"/>
						<xsd:element name="shipDate" type="xsd:date" minOccurs="0"/>
					</xsd:sequence>
					<xsd:attribute name="partNum" type="po:SKU" use="required"/>
				</xsd:complexType>
			</xsd:element>
		</xsd:sequence>
	</xsd:complexType>
	<!-- Stock Keeping Unit, a code for identifying products -->
	<xsd:simpleType name="SKU">
		<xsd:restriction base="xsd:string">
			<xsd:pattern value="\d{3}-[A-Z]{2}"/>
		</xsd:restriction>
	</xsd:simpleType>
</xsd:schema>