Adapting the structure of your document : Russian Doll « XML Schema « XML Tutorial

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XML Tutorial » XML Schema » Russian Doll 
3. 97. 4. Adapting the structure of your document
The result is instance documents such as: 
<?xml version="1.0"?>
<library>
  <book id="b1111111111" available="true">
    <title lang="en">Java</title>
    <isbn>1111111111</isbn>
    <authors>
      <author id="Client">
        <start>1922-11-26</start>
        <dead>2000-02-12</dead>
        <name>James</name>
      </author>
    </authors>
    <chapters>
      <chapter id="PP">
        <name>JButton</name>
        <qualification>Yes</qualification>
        <start>2005-08-22</start>
      </chapter>
      <chapter id="JTable">
        <start>2001-10-04</start>
        <name>JTable</name>
        <qualification>Yes</qualification>
      </chapter>
    </chapters>
  </book>
</library>

This instance document defined by a full schema, which could be: 
<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="name" type="xs:token" />
  <xs:element name="qualification" type="xs:token" />
  <xs:element name="start" type="xs:date" />
  <xs:element name="dead" type="xs:date" />
  <xs:element name="isbn" type="xs:NMTOKEN" />
  <xs:attribute name="id" type="xs:ID" />
  <xs:attribute name="available" type="xs:boolean" />
  <xs:attribute name="lang" type="xs:language" />
  <xs:element name="title">
    <xs:complexType>
      <xs:simpleContent>
        <xs:extension base="xs:token">
          <xs:attribute ref="lang" />
        </xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>
  <xs:element name="library">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="book" maxOccurs="unbounded" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="authors">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="author" minOccurs="0"
          maxOccurs="unbounded" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="author">
    <xs:complexType>
      <xs:all>
        <xs:element ref="name" />
        <xs:element ref="start" />
        <xs:element ref="dead" minOccurs="0" />
      </xs:all>
      <xs:attribute ref="id" />
    </xs:complexType>
  </xs:element>
  <xs:element name="book">
    <xs:complexType>
      <xs:all>
        <xs:element ref="isbn" />
        <xs:element ref="title" />
        <xs:element ref="authors" />
        <xs:element ref="chapters" />
      </xs:all>
      <xs:attribute ref="id" />
      <xs:attribute ref="available" />
    </xs:complexType>
  </xs:element>
  <xs:element name="chapters">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="chapter" minOccurs="0"
          maxOccurs="unbounded" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="chapter">
    <xs:complexType>
      <xs:all>
        <xs:element ref="name" />
        <xs:element ref="start" />
        <xs:element ref="qualification" />
      </xs:all>
      <xs:attribute ref="id" />
    </xs:complexType>
  </xs:element>
</xs:schema>
3. 97. Russian Doll
3. 97. 1. Russian Doll and Object-Oriented Design
3. 97. 2. Russian Doll design nest the local element declaration within other schema component
3. 97. 3. Russian doll type element
3. 97. 4. Adapting the structure of your document
3. 97. 5. A book element of our library
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