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Web Services

April 2003

DeveloperNet University Course

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Exercise: 3 Create a DTD and Schema Document for Your XML File

In this exercise, you will see an example of a Schema and DTD document to accompany your XML file.

Report.xml

<?xml version = "1.0"?>
<!DOCTYPE report SYSTEM "report.dtd">
<report>
   <time>
      <reportdate>Feb. 1, 2003</reportdate>
      <reporttime>8:15am</reporttime>
   </time>
   <person>
      <name>Tom Roberts</name>
      <ssn>132-456-4566</ssn>
      <streetaddress>87 East Park Avenue</streetaddress>
      <cityaddress>Springville, Utah  84987</cityaddress>
   </person>
   <account>
      <number>987987</number>
      <type>checking</type>
      <balance>581.23</balance>
   </account>
   <account>
      <number>987456</number>
      <type>savings</type>
      <balance>1510.23</balance>
      <accountir>1.8 %</accountir>
   </account>
   <account>
      <number>987457</number>
      <type>savings</type>
      <balance>6821.48</balance>
      <accountir>2.9%</accountir>
   </account>
</report>

Report.dtd

<!ELEMENT report ( demo, person, account+ )>

<!ELEMENT time ( reportdate, reporttime )>
<!ELEMENT reportdate ( #PCDATA )>
<!ELEMENT reporttime ( #PCDATA )>

<!ELEMENT person ( name, ssn, streetaddress, cityaddress )>
<!ELEMENT name ( #PCDATA )>
<!ELEMENT ssn ( #PCDATA )>
<!ELEMENT streetaddress ( #PCDATA )>
<!ELEMENT cityaddress ( #PCDATA )>

<!ELEMENT account ( number*, type*, balance*, accountir* )>
<!ELEMENT number ( #PCDATA )>
<!ELEMENT balance ( #PCDATA )>
<!ELEMENT type ( #PCDATA )>
<!ELEMENT accountir ( #PCDATA )>

Schema.xml

<?xml version = "1.0"?>

<Schema xmlns = "urn:schemas-microsoft-com:xml-data">

<ElementType name = "reportdate" model = "closed" content = "textOnly">
</ElementType>

<ElementType name = "reporttime" model = "closed" content = "textOnly">
</ElementType>

<ElementType name = "name" model = "closed" content = "textOnly">

</ElementType>

<ElementType name = "ssn" model = "closed" content = "textOnly">
</ElementType>

<ElementType name = "streetaddress" model = "closed" content = "textOnly">
</ElementType>

<ElementType name = "cityaddress" model = "closed" content = "textOnly">
</ElementType>

<ElementType name = "number" model = "closed" content = "textOnly">
</ElementType>

<ElementType name = "type" model = "closed" content = "textOnly">
</ElementType>

<ElementType name = "balance" model = "closed" content = "textOnly">
</ElementType>

<ElementType name = "accountir" model = "closed" content = "textOnly">
</ElementType>

<ElementType name = "report" model = "open" content = "eltOnly" order = "seq">
<element type = "time" minOccurs = "1" maxOccurs = "1" />
<element type = "person" minOccurs = "1" maxOccurs = "1" />
<element type = "account" minOccurs = "1" maxOccurs = "*" />
</ElementType>

<ElementType name = "time" content = "mixed" order = "many">
<element type = "reportdate" minOccurs = "1" maxOccurs = "1" />
<element type = "reporttime" minOccurs = "1" maxOccurs = "1" />
</ElementType>

<ElementType name = "person" content = "mixed" order = "many">
<element type = "name" minOccurs = "1" maxOccurs = "1" />
<element type = "ssn" minOccurs = "1" maxOccurs = "1" />
<element type = "streetaddress" minOccurs = "1" maxOccurs = "1" />
<element type = "cityaddress" minOccurs = "1" maxOccurs = "1" />
</ElementType>

<ElementType name = "account" content = "mixed" order = "many">
<element type = "number" minOccurs = "1" maxOccurs = "1" />
<element type = "type" minOccurs = "1" maxOccurs = "1" />
<element type = "balance" minOccurs = "1" maxOccurs = "1" />
<element type = "account" minOccurs = "1" maxOccurs = "1" />
</ElementType>
</Schema>