Reuse complex type : Salami Slice « XML Schema « XML

1. XML
2. XML Schema
3. Salami Slice

Reuse complex type

File: Data.xml

<?xml version="1.0" standalone="yes"?>
<statement 
 xmlns="http://www.java2s.com/statement"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://www.java2s.com/statement statement.xsd">
           
   <customer name="name 1" number="CUST123" type="VIP"/>
   <orders count="2">
      <order number="ORD100" owner="CUST123" total="500.00">
         <items>
            <item quantity="5" price="100">
              <description>item 1</description>
            </item>
            <item quantity="2" price="50">
              <description>item 2</description>
            </item>
         </items>
      </order>
      <order number="ORD101" owner="CUST123" total="150.00">
         <items>
            <item quantity="6" price="25">
              <description>item 3</description>
            </item>
         </items>
      </order>
   </orders>
</statement>
File: Schema.xsd

<?xml version="1.0" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
  targetNamespace="http://www.java2s.com/statement"
  xmlns="http://www.java2s.com/statement">

  <xs:element name="statement">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="customer" />
        <xs:element ref="orders" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name="customer">
    <xs:complexType>
      <xs:sequence />
      <xs:attribute name="number" type="xs:ID" />
      <xs:attribute name="name"   type="xs:string" />
      <xs:attribute name="type"   type="xs:string"
       use="optional" default="normal" />
    </xs:complexType>
  </xs:element>

  <xs:element name="orders">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="order"
         maxOccurs="unbounded" />
      </xs:sequence>
      <xs:attribute name="count" 
       type="xs:nonNegativeInteger" />
    </xs:complexType>
  </xs:element>

  <xs:element name="order">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="items" />
      </xs:sequence>
      <xs:attribute name="number" type="xs:ID" />
      <xs:attribute name="owner"  type="xs:IDREF" />
      <xs:attribute name="total"  type="xs:decimal" />
    </xs:complexType>
  </xs:element>

  <xs:element name="items">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="item" 
         maxOccurs="unbounded" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name="item">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="description" />
      </xs:sequence>
      <xs:attribute name="quantity" type="xs:nonNegativeInteger" />
      <xs:attribute name="price"    type="xs:decimal" />
    </xs:complexType>
  </xs:element>

  <xs:element name="description" type="xs:string" />
</xs:schema>

 

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