XSD Tutorials - Herong's Tutorial Examples - v5.23, by Herong Yang
Assertion as Custom Validation Rules
This chapter provides notes and tutorial examples on assertion validation rules. Topics include introduction of 'assert' validation rules for 'complexType' datatypes; 'assertion' validation rules for 'simpleType' datatypes; XPath expressions; $value representing current node value.
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What Is an Assertion?
Assertion as the Forth Level Constraints
"assert" Statements for "complexType" Datatype
"assertion" Statements for "simpleType" Datatype
Takeaways:
Table of Contents
XML Editor and Schema Processor - XMLPad
Java API for XML Processing - JAXP
JAXP - XML Schema (XSD) Validation
Xerces2 Java Parser - Java API of XML Parsers
Introduction of XSD Built-in Datatypes
"string" and Its Derived Datatypes
"decimal" and Its Derived Datatypes
"dateTime" and Its Related Datatypes
Miscellaneous Built-in Datatypes
Facets, Constraining Facets and Restriction Datatypes
"simpleType" - Defining Your Own Simple Datatypes
Identity-Constraints: unique, key and keyref
►Assertion as Custom Validation Rules
XML Schema Location and Namespace in XML Documents
Overriding Element Types in XML Documents