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XML Schema

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Carlos Castillo (ChaTo)
Carlos Castillo (ChaTo)
Technologie
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XML Schema Carlos Castillo [email_address] Departamento de Ciencias de la Computacion Facultad de Ciencias Fisicas y Matematicas Universidad de Chile
“Data-oriented” XML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],factura.xml
“Document-oriented” XML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],memo.xml
Propósito lenguaje schema ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Requerimientos Schema ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Jerarquía de lenguajes
Características XML Schema ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Ejemplo simple XML Schema <?xml version=&quot;1.0&quot;?> <xsd: schema xmlns:xsd=&quot;http://www.w3.org/2001/XMLSchema&quot; xmlns=&quot;http://www.example.com&quot; targetNamespace=&quot;http://www.example.com&quot; elementFormDefault=&quot;qualified&quot;> <xsd: element name =&quot;note&quot;> <xsd: complexType > <xsd: sequence > <xsd:element name=&quot;to&quot; type =&quot;xsd:string&quot;/> <xsd:element name=&quot;from&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;heading&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;body&quot; type=&quot;xsd:string&quot;/> </xsd:sequence> </xsd:complexType> </xsd:element> </xsd:schema> note.xsd
Ejemplo simple XML Schema + doc. <xsd:element name=&quot;note&quot;> <xsd:complexType> <xsd:sequence> <xsd:element name=&quot;to&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;from&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;heading&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;body&quot; type=&quot;xsd:string&quot;/> </xsd:sequence> </xsd:complexType> </xsd:element note.xsd <?xml version=”1.0”?> <note> < to >Juan</ to > < from >Miguel</ from > < heading >Llama a X</ heading > < body >X te busca urgente</ body > </note> note.xml
XML Schema v/s DTD, 1/2 <xsd:element name=&quot;note&quot;> <xsd:complexType> <xsd:sequence> <xsd:element name=&quot;to&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;from&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;heading&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;body&quot; type=&quot;xsd:string&quot;/> </xsd:sequence> </xsd:complexType> </xsd:element note.xsd <!ELEMENT note (to,from,heading,body)> <!ELEMENT to (#PCDATA)> <!ELEMENT from (#PCDATA)> <!ELEMENT heading (#PCDATA)> <!ELEMENT body (#PCDATA)> note.dtd
XML Schema v/s DTD, 2/2 <xsd:element name=&quot;note&quot;> <xsd:complexType> <xsd:sequence> <xsd:element name=&quot;to&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;priority&quot; type=&quot; xsd:integer &quot;/> <xsd:element name=&quot;heading&quot;> <xsd:simpleType> <xsd:restriction base=&quot;xsd:string&quot;> <xsd:maxLength value=&quot;10&quot;/> </xsd:restriction> </xsd:simpleType> </xsd:element> <xsd:element name=&quot;body&quot; type=&quot;xsd:string&quot;/> </xsd:sequence> </xsd:complexType> </xsd:element> note2.xsd <!ELEMENT note (to,from,heading,body)> <!ELEMENT to (#PCDATA)> <!ELEMENT priority ( #PCDATA )> <!ELEMENT heading ( #PCDATA )> <!ELEMENT body (#PCDATA)> note2.dtd
Orden de compra <?xml version=&quot;1.0&quot;?> <purchaseOrder orderDate=&quot;1999-10-20&quot;> <shipTo country=&quot;US&quot;> <name>Alice Smith</name> <street>12 Maple Street</street> <city>Mill Valley</city> <state>CA</state> <zip>90952</zip> </shipTo> <billTo country=&quot;US&quot;> <name>Robert Smith</name> <street>8 Oak Avenue</street> <city>Old Town</city> <state>PA</state> <zip>95819</zip> </billTo> <comment>Hurry, my lawn is going wild!</comment> <items> <item partNum=&quot;872-AA&quot;> < productName >Lawnmower</productName> <quantity>1</quantity> <USPrice>148.95</USPrice> <comment>Confirm this is electric</comment> </item> <item partNum=&quot;926-AA&quot;> <productName>Baby Monitor</productName> <quantity>1</quantity> <USPrice>39.98</USPrice> <shipDate>1999-05-21</shipDate> </item> </items> </purchaseOrder> orden_compra.xml
Orden de compra (tipos dato) <?xml version=&quot;1.0&quot;?> <purchaseOrder orderDate=&quot; 1999-10-20 &quot;> <shipTo country=&quot; US &quot;> <name>Alice Smith</name> <street>12 Maple Street</street> <city>Mill Valley</city> <state> CA </state> <zip> 90952 </zip> </shipTo> <billTo country=&quot;US&quot;> <name>Robert Smith</name> <street>8 Oak Avenue</street> <city>Old Town</city> <state>PA</state> <zip>95819</zip> </billTo> <comment>Hurry, my lawn is going wild!</comment> <items> <item partNum=&quot; 872-AA &quot;> < productName >Lawn mower</productName> <quantity> 2 </quantity> <USPrice> 148.95 </USPrice> <comment>Confirm this is electric</comment> </item> <item partNum=&quot;926-AA&quot;> <productName>Baby Monitor</productName> <quantity>1</quantity> <USPrice>39.98</USPrice> <shipDate>1999-05-21</shipDate> </item> </items> </purchaseOrder> orden_compra.xml
XML Schema 1/3 <schema xmlns=&quot; http://www.w3.org/2001/XMLSchema &quot;> <annotation> <documentation xml:lang=&quot;en&quot;> Purchase order schema for Example.com. Copyright 2000 Example.com. All rights reserved. </documentation> </annotation> <element name=&quot;purchaseOrder&quot; type=&quot;PurchaseOrderType&quot;/> <!-- Tipo complejo --> <complexType name=&quot;PurchaseOrderType&quot;> <sequence> <element name=&quot;shipTo&quot; type=&quot;USAddress&quot;/> <element name=&quot;billTo&quot; type=&quot;USAddress&quot;/> <element ref=&quot;comment&quot; minOccurs=&quot;0&quot;/> <element name=&quot;items&quot; type=&quot;Items&quot;/> </sequence> <attribute name=&quot;orderDate&quot; type=&quot;date&quot;/> </complexType>
XML Schema 2/3 <!-- Tipo complejo --> <complexType name=&quot;USAddress&quot;> <sequence> <element name=&quot;name&quot; type=&quot;string&quot;/> <element name=&quot;street&quot; type=&quot;string&quot;/> <element name=&quot;city&quot; type=&quot;string&quot;/> <element name=&quot;state&quot; type=&quot;string&quot;/> <element name=&quot;zip&quot; type=&quot;decimal&quot;/> </sequence> <attribute name=&quot;country&quot; type=&quot;NMTOKEN&quot; fixed=&quot;US&quot;/> </complexType> <!-- Tipo simple --> <simpleType name=&quot;SKU&quot;> <restriction base=&quot;string&quot;> <pattern value=&quot;{3}-[A-Z]{2}&quot;/> </restriction> </simpleType> <!-- Elemento --> <element name=&quot;comment&quot; type=&quot;string&quot;/>
XML Schema Ej (3) <complexType name=&quot;Items&quot;> <sequence> <element name=&quot;item&quot; minOccurs=&quot;0&quot; maxOccurs=&quot;unbounded&quot;> <complexType> <sequence> <element name=&quot;productName&quot; type=&quot;string&quot;/> <element name=&quot;quantity&quot;> <simpleType> <restriction base=&quot;positiveInteger&quot;> <maxExclusive value=&quot;100&quot;/> </restriction> </simpleType> </element> <element name=&quot;USPrice&quot; type=&quot;decimal&quot;/> <element ref=&quot;comment&quot; minOccurs=&quot;0&quot;/> <element name=&quot;shipDate&quot; type=&quot;date&quot; minOccurs=&quot;0&quot;/> </sequence> <attribute name=&quot;partNum&quot; type=&quot;SKU&quot; use=&quot;required&quot;/> </complexType> </element> </sequence> </complexType> </schema>
Tipos de tipos de dato ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Derivacion de tipos ,[object Object],[object Object],[object Object],[object Object],[object Object]
Elemento, Compuesto, Attr ,[object Object],[object Object],<complexType name=&quot;USAddress&quot;> <sequence> <element name=&quot;name&quot; type=&quot;string&quot;/> <element name=&quot;street&quot; type=&quot;string&quot;/> <element name=&quot;city&quot; type=&quot;string&quot;/> <element name=&quot;state&quot; type=&quot;string&quot;/> <element name=&quot;zip&quot; type=&quot;decimal&quot;/> </sequence> <attribute name=&quot;country&quot; type=&quot;NMTOKEN&quot; fixed=&quot;US&quot;/> </complexType>
Restricciones multiplicidad ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],<element ref=&quot;comment&quot; minOccurs=&quot;0&quot;/>
Tipos simples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Nuevos tipos simples <simpleType name=”myInteger”> <restriction base=”integer”> <minInclusive value=”10000”/> <maxInclusive value=”99999”/> </restriction> </simpleType> ,[object Object],[object Object]
Nuevos tipos enumerados <simpleType name=”deptosIngenieria”> <restriction base=”string”> <enumeration value=”cc”/> <enumeration value=”ci”/> <enumeration value=”eh”/> <enumeration value=”ma”/> ... <enumeration value=”in”/> </restriction> </simpleType> ,[object Object]
Tipo lista <simpleType name=”listDeptos”> <list itemType=”deptosIngenieria”/> </simpleType> <!-- Ejemplo --> <listado>in ma cc</listado> ,[object Object]
Contenido mixed ,[object Object],<element name=”body”> <complexType mixed=”true”> <element name=”b”/> </complexType> </element>
 
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XML Schema

  • 1. XML Schema Carlos Castillo [email_address] Departamento de Ciencias de la Computacion Facultad de Ciencias Fisicas y Matematicas Universidad de Chile
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  • 8. Ejemplo simple XML Schema <?xml version=&quot;1.0&quot;?> <xsd: schema xmlns:xsd=&quot;http://www.w3.org/2001/XMLSchema&quot; xmlns=&quot;http://www.example.com&quot; targetNamespace=&quot;http://www.example.com&quot; elementFormDefault=&quot;qualified&quot;> <xsd: element name =&quot;note&quot;> <xsd: complexType > <xsd: sequence > <xsd:element name=&quot;to&quot; type =&quot;xsd:string&quot;/> <xsd:element name=&quot;from&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;heading&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;body&quot; type=&quot;xsd:string&quot;/> </xsd:sequence> </xsd:complexType> </xsd:element> </xsd:schema> note.xsd
  • 9. Ejemplo simple XML Schema + doc. <xsd:element name=&quot;note&quot;> <xsd:complexType> <xsd:sequence> <xsd:element name=&quot;to&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;from&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;heading&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;body&quot; type=&quot;xsd:string&quot;/> </xsd:sequence> </xsd:complexType> </xsd:element note.xsd <?xml version=”1.0”?> <note> < to >Juan</ to > < from >Miguel</ from > < heading >Llama a X</ heading > < body >X te busca urgente</ body > </note> note.xml
  • 10. XML Schema v/s DTD, 1/2 <xsd:element name=&quot;note&quot;> <xsd:complexType> <xsd:sequence> <xsd:element name=&quot;to&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;from&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;heading&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;body&quot; type=&quot;xsd:string&quot;/> </xsd:sequence> </xsd:complexType> </xsd:element note.xsd <!ELEMENT note (to,from,heading,body)> <!ELEMENT to (#PCDATA)> <!ELEMENT from (#PCDATA)> <!ELEMENT heading (#PCDATA)> <!ELEMENT body (#PCDATA)> note.dtd
  • 11. XML Schema v/s DTD, 2/2 <xsd:element name=&quot;note&quot;> <xsd:complexType> <xsd:sequence> <xsd:element name=&quot;to&quot; type=&quot;xsd:string&quot;/> <xsd:element name=&quot;priority&quot; type=&quot; xsd:integer &quot;/> <xsd:element name=&quot;heading&quot;> <xsd:simpleType> <xsd:restriction base=&quot;xsd:string&quot;> <xsd:maxLength value=&quot;10&quot;/> </xsd:restriction> </xsd:simpleType> </xsd:element> <xsd:element name=&quot;body&quot; type=&quot;xsd:string&quot;/> </xsd:sequence> </xsd:complexType> </xsd:element> note2.xsd <!ELEMENT note (to,from,heading,body)> <!ELEMENT to (#PCDATA)> <!ELEMENT priority ( #PCDATA )> <!ELEMENT heading ( #PCDATA )> <!ELEMENT body (#PCDATA)> note2.dtd
  • 12. Orden de compra <?xml version=&quot;1.0&quot;?> <purchaseOrder orderDate=&quot;1999-10-20&quot;> <shipTo country=&quot;US&quot;> <name>Alice Smith</name> <street>12 Maple Street</street> <city>Mill Valley</city> <state>CA</state> <zip>90952</zip> </shipTo> <billTo country=&quot;US&quot;> <name>Robert Smith</name> <street>8 Oak Avenue</street> <city>Old Town</city> <state>PA</state> <zip>95819</zip> </billTo> <comment>Hurry, my lawn is going wild!</comment> <items> <item partNum=&quot;872-AA&quot;> < productName >Lawnmower</productName> <quantity>1</quantity> <USPrice>148.95</USPrice> <comment>Confirm this is electric</comment> </item> <item partNum=&quot;926-AA&quot;> <productName>Baby Monitor</productName> <quantity>1</quantity> <USPrice>39.98</USPrice> <shipDate>1999-05-21</shipDate> </item> </items> </purchaseOrder> orden_compra.xml
  • 13. Orden de compra (tipos dato) <?xml version=&quot;1.0&quot;?> <purchaseOrder orderDate=&quot; 1999-10-20 &quot;> <shipTo country=&quot; US &quot;> <name>Alice Smith</name> <street>12 Maple Street</street> <city>Mill Valley</city> <state> CA </state> <zip> 90952 </zip> </shipTo> <billTo country=&quot;US&quot;> <name>Robert Smith</name> <street>8 Oak Avenue</street> <city>Old Town</city> <state>PA</state> <zip>95819</zip> </billTo> <comment>Hurry, my lawn is going wild!</comment> <items> <item partNum=&quot; 872-AA &quot;> < productName >Lawn mower</productName> <quantity> 2 </quantity> <USPrice> 148.95 </USPrice> <comment>Confirm this is electric</comment> </item> <item partNum=&quot;926-AA&quot;> <productName>Baby Monitor</productName> <quantity>1</quantity> <USPrice>39.98</USPrice> <shipDate>1999-05-21</shipDate> </item> </items> </purchaseOrder> orden_compra.xml
  • 14. XML Schema 1/3 <schema xmlns=&quot; http://www.w3.org/2001/XMLSchema &quot;> <annotation> <documentation xml:lang=&quot;en&quot;> Purchase order schema for Example.com. Copyright 2000 Example.com. All rights reserved. </documentation> </annotation> <element name=&quot;purchaseOrder&quot; type=&quot;PurchaseOrderType&quot;/> <!-- Tipo complejo --> <complexType name=&quot;PurchaseOrderType&quot;> <sequence> <element name=&quot;shipTo&quot; type=&quot;USAddress&quot;/> <element name=&quot;billTo&quot; type=&quot;USAddress&quot;/> <element ref=&quot;comment&quot; minOccurs=&quot;0&quot;/> <element name=&quot;items&quot; type=&quot;Items&quot;/> </sequence> <attribute name=&quot;orderDate&quot; type=&quot;date&quot;/> </complexType>
  • 15. XML Schema 2/3 <!-- Tipo complejo --> <complexType name=&quot;USAddress&quot;> <sequence> <element name=&quot;name&quot; type=&quot;string&quot;/> <element name=&quot;street&quot; type=&quot;string&quot;/> <element name=&quot;city&quot; type=&quot;string&quot;/> <element name=&quot;state&quot; type=&quot;string&quot;/> <element name=&quot;zip&quot; type=&quot;decimal&quot;/> </sequence> <attribute name=&quot;country&quot; type=&quot;NMTOKEN&quot; fixed=&quot;US&quot;/> </complexType> <!-- Tipo simple --> <simpleType name=&quot;SKU&quot;> <restriction base=&quot;string&quot;> <pattern value=&quot;{3}-[A-Z]{2}&quot;/> </restriction> </simpleType> <!-- Elemento --> <element name=&quot;comment&quot; type=&quot;string&quot;/>
  • 16. XML Schema Ej (3) <complexType name=&quot;Items&quot;> <sequence> <element name=&quot;item&quot; minOccurs=&quot;0&quot; maxOccurs=&quot;unbounded&quot;> <complexType> <sequence> <element name=&quot;productName&quot; type=&quot;string&quot;/> <element name=&quot;quantity&quot;> <simpleType> <restriction base=&quot;positiveInteger&quot;> <maxExclusive value=&quot;100&quot;/> </restriction> </simpleType> </element> <element name=&quot;USPrice&quot; type=&quot;decimal&quot;/> <element ref=&quot;comment&quot; minOccurs=&quot;0&quot;/> <element name=&quot;shipDate&quot; type=&quot;date&quot; minOccurs=&quot;0&quot;/> </sequence> <attribute name=&quot;partNum&quot; type=&quot;SKU&quot; use=&quot;required&quot;/> </complexType> </element> </sequence> </complexType> </schema>
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