Define custom XSD rules

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May 20th, 2004, 08:31 AM

ta0002

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Join Date: May 2004

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Define custom XSD rules

Hi, I have a problem in defining a custom rules in my XSD to validate XML file.
I use library Xerces-J-bin.2.6.2.zip, also My program is working fine without erros, but the problem is when I enforce the XSD to raise an error by modifying the XML.

So what I want is to tell me if my XSD is correct , and why the erros is not displayed.

XSD Sample: Schema validation
------------------------------------------------------------------------------------------------------------------------------------
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:sch="http://www.ascc.net/xml/schematron">
<xsd:complexType name="addressType">
<xs:annotation>
<xs:appinfo>
<sch

attern name="addressType_rules">
<xsd:rule name="country_UK">
<xsd:expression>
if(country = "UK") then
false()
else true()
</xsd:expression>
</xsd:rule>
<xsd:rule name="country_US">
<xsd:expression>
if(country = "US") then
false()
else
true()
</xsd:expression>
</xsd:rule>
</sch

attern>
</xs:appinfo>
</xs:annotation>
<xsd:sequence>
<xsd:choice minOccurs="0">
<xsd:element name="postcode" type="xsd:string" />
<xsd:element name="zipcode" type="xsd:string" />
</xsd:choice>
<xsd:element name="country" type="xsd:string" />
</xsd:sequence>
</xsd:complexType>
<xsd:element name="message">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="senderAddress" type="addressType" />
<xsd:element name="recipientAddress" type="addressType" />
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>
---------------------------------------------------------------------
XSD Sample: Schematron
---------------------------------------------------------------------

<xsd:schema xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">
<xsd:element name="message">
<xsd:annotation>
<xsd:appinfo>
<sch

attern name="addressType_rules">
<sch:rule context="senderAddress">
<sch:assert diagnostics="atomRefFormat" test="country != 'UK'">postcode must exist if country is UK</sch:assert>
</sch:rule>
</sch

attern>
<sch:diagnostics>
<sch:diagnostic id="atomRefFormat">
<html>fff</html>
</sch:diagnostic>
</sch:diagnostics>
</xsd:appinfo>
</xsd:annotation>
<xsd:complexType>
<xsd:sequence>
<xsd:element name="senderAddress" type="addressType" />
<xsd:element name="recipientAddress" type="addressType" />
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:complexType name="addressType">
<xsd:sequence>
<xsd:choice minOccurs="0">
<xsd:element name="postcode" type="xsd:string" />
<xsd:element name="zipcode" type="xsd:string" />
</xsd:choice>
<xsd:element name="country" type="xsd:string" />
</xsd:sequence>
</xsd:complexType>
</xsd:schema>
---------------------------------------------------------------------
XML:
---------------------------------------------------------------------

<message>
<senderAddress> 
<postcode>123W 99U</postcode>
<country>UK</country>
</senderAddress>
<recipientAddress> 
<zipcode>12345</zipcode>
<country>US</country>
</recipientAddress>
</message>

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