XSAttributeDeclaration.getConstraintType and XSAttributeDeclaration.getConstraintValue

[Sander Bos]

Hi there,

I am wondering whether I am doing something wrong in getting attribute
declaration information. I am using Xerces 2.3.0.

If I have a schema like:
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
elementFormDefault="qualified">
<xs:element name="testElem">
<xs:complexType>
  <xs:simpleContent>
  <xs:extension base="xs:string">
    <xs:attribute name="attr1" type="xs:string"/>
    <xs:attribute name="attr2" type="xs:string" use="required"/>
    <xs:attribute name="attr3" type="xs:string" default="default"/>
    <xs:attribute name="attr4" type="xs:string" fixed="fixed"/>
  </xs:extension>
  </xs:simpleContent>
</xs:complexType>
</xs:element>
</xs:schema>

and an instance like:
<?xml version="1.0"?>
<testElem xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
  xsi:noNamespaceSchemaLocation="test.xsd"
  attr2="someValue"/>

And I parse it with validation, and then print the information of the
attribute declarations of the element PSVI like so:

  private void printInfo(ElementPSVI psvi) {
    XSComplexTypeDefinition complexType = (XSComplexTypeDefinition) 
psvi.getElementDeclaration().getTypeDefinition();
    XSObjectList attrUses = complexType.getAttributeUses();
    for (int m = 0; m < attrUses.getLength(); m++){
      XSAttributeUse attrUse = (XSAttributeUse)attrUses.item(m);
      XSAttributeDeclaration attrDecl = attrUse.getAttrDeclaration();
      if (attrDecl != null) {
        System.out.println("attrDecl.getName() = " 
+ attrDecl.getName());
        System.out.println("attrDecl.getConstraintType() = " 
+ attrDecl.getConstraintType());
        System.out.println("attrDecl.getConstraintValue() = " 
+ attrDecl.getConstraintValue());
      }
    }
  }

I get as output:

attrDecl.getName() = attr1
attrDecl.getConstraintType() = 0
attrDecl.getConstraintValue() = null
attrDecl.getName() = attr2
attrDecl.getConstraintType() = 0
attrDecl.getConstraintValue() = null
attrDecl.getName() = attr3
attrDecl.getConstraintType() = 0
attrDecl.getConstraintValue() = null
attrDecl.getName() = attr4
attrDecl.getConstraintType() = 0
attrDecl.getConstraintValue() = null

I must sort of do it right, because I get the right attributes, but I
thought I would get different values for the constraint type, and a
constraint value for attributes 3 and 4? Does anybody know if and what I
am doing wrong?

Kind regards,

--Sander.

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