Type alternatives implementation seems to be broken
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Key: XERCESJ-1351
URL: https://issues.apache.org/jira/browse/XERCESJ-1351
Project: Xerces2-J
Issue Type: Bug
Components: XML Schema 1.1 Structures
Environment: Windows XP, JRE 1.5.0_15
Reporter: Mukul Gandhi
I am running the latest Xerces-J development code from SVN repository. I tried
the following sample XML document, and the XML Schema document.
XML document:
<PERSON xsi:noNamespaceSchemaLocation="person.xsd"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";>
<FNAME>Mukul</FNAME>
<LNAME>Gandhi</LNAME>
<DOB>1999-06-02</DOB>
<ADDRESS type="short">my address</ADDRESS>
</PERSON>
Schema:
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";>
<xs:element name="PERSON" type="PersonType" />
<xs:complexType name="PersonType">
<xs:sequence>
<xs:element name="FNAME" type="xs:string" />
<xs:element name="LNAME" type="xs:string" />
<xs:element name="DOB" type="xs:date" />
<xs:element name="ADDRESS" type="LongAddress">
<xs:alternative test="@type='short'" type="ShortAddress"/>
<xs:alternative test="@type='long'" type="LongAddress"/>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="ShortAddress">
<xs:simpleContent>
<xs:extension base="shortString">
<xs:attribute name="type" type="xs:string"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:simpleType name="shortString">
<xs:restriction base="xs:string">
<xs:minLength value="1" />
<xs:maxLength value="50" />
</xs:restriction>
</xs:simpleType>
<xs:complexType name="LongAddress">
<xs:sequence>
<xs:element name="street1" type="xs:string" />
<xs:element name="street2" type="xs:string" minOccurs="0" />
<xs:element name="city" type="xs:string" />
<xs:element name="state" type="xs:string" />
<xs:element name="pin" type="xs:string" />
<xs:element name="country" type="xs:string" />
</xs:sequence>
<xs:attribute name="type" type="xs:string"/>
</xs:complexType>
</xs:schema>
When I apply validation using the above examples, with Xerces, I get following
errors:
[Error] person.xsd:11:69: s4s-elt-must-match.1: The content of 'ADDRESS' must
match (annotation?, (simpleType
| complexType)?, alternative*, (unique | key | keyref)*)). A problem was found
starting at: alternative.
[Error] person.xml:5:45: cvc-complex-type.2.3: Element 'ADDRESS' cannot have
character [children], because the
type's content type is element-only.
[Error] person.xml:5:45: cvc-complex-type.2.4.b: The content of element
'ADDRESS' is not complete. One of '{st
reet1}' is expected.
It seems to me, that type alternative support in Xerces is not working as
expected.
Some comments about the Java class, org.apache.xerces.impl.xpath.XPath20 (which
I think is used by type alternatives)
The method,
public boolean evaluateNodeTest(QName element, XMLAttributes attributes)
doesn't use the parameter, "element" anywhere in the method body.
Please correct me, on any of the points I have mentioned.
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