SimpleValue interface doesn't work for empty types that are extensions of mixed
non-empty types
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Key: XMLBEANS-379
URL: https://issues.apache.org/jira/browse/XMLBEANS-379
Project: XMLBeans
Issue Type: Bug
Environment: Windows XP, JDK 1.5.0_16, XmlBeans version 2.4.0 (not
available in the list above).
Reporter: David Gileadi
Priority: Minor
I'm working with the HL7 v3 schemas. Types like en.family:
<xsd:complexType name="en.family" mixed="true">
<xsd:complexContent>
<xsd:restriction base="ENXP">
<xsd:attribute name="partType" type="EntityNamePartType"
fixed="FAM"/>
</xsd:restriction>
</xsd:complexContent>
</xsd:complexType>
are mixed, but have no element children in their definition. However, in this
case the grandparent type, ST, does have element children:
<xsd:complexType name="ST" mixed="true">
<xsd:annotation>
<xsd:documentation>
The character string data type stands for text data, primarily
intended for machine processing (e.g., sorting, querying, indexing,
etc.) Used for names, symbols, and formal expressions.
</xsd:documentation>
<xsd:appinfo>
<sch:pattern xmlns:sch="http://www.ascc.net/xml/schematron";
name="validate ST">
<sch:rule abstract="true" id="rule-ST">
<sch:report test="(@nullFlavor or text()) and not(@nullFlavor
and text())">
<p xmlns:hl7="urn:hl7-org:v3"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xmlns:gsd="http://aurora.regenstrief.org/GenericXMLSchema";
xmlns:xlink="http://www.w3.org/TR/WD-xlink";>Text content is only allowed in
non-NULL values.</p>
</sch:report>
</sch:rule>
</sch:pattern>
</xsd:appinfo>
</xsd:annotation>
<xsd:complexContent>
<xsd:restriction base="ED">
<xsd:sequence>
<xsd:element name="reference" type="TEL" minOccurs="0"
maxOccurs="0"/>
<xsd:element name="thumbnail" type="ED" minOccurs="0"
maxOccurs="0"/>
</xsd:sequence>
<xsd:attribute name="representation"
type="token_BinaryDataEncoding" fixed="TXT"/>
<xsd:attribute name="mediaType" type="cs" fixed="text/plain"/>
<xsd:attribute name="language" type="cs" use="optional"/>
<xsd:attribute name="compression" type="CompressionAlgorithm"
use="prohibited"/>
<xsd:attribute name="integrityCheck" type="bin" use="prohibited"/>
<xsd:attribute name="integrityCheckAlgorithm"
type="IntegrityCheckAlgorithm" use="prohibited"/>
</xsd:restriction>
</xsd:complexContent>
</xsd:complexType>
and its ancestors do too.
I'm trying to use the SimpleValue interface to get/set the string value of a
generated EnFamily class (and others). However, the SchemaType for EnFamily
has a contentType of EMPTY_CONTENT, not MIXED_CONTENT. And
XmlComplexContentImpl.set_String() throws an IllegalArgumentException if you
try to set the string value to a type that isn't no type or MIXED_CONTENT.
I think that either the type system should change to define a new
MIXED_EMPTY_CONTENT type or XmlComplexContentImpl should change to check the
ancestor types to see whether they're mixed before throwing the
IllegalArgumentException.
The workaround I'm using is to add an extension to classes like EnFamily that I
need to get/set text in, and using an XmlCursor to get/set the text value.
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