xsi:type on root element fo XML doc causes problems
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Key: TUSCANY-505
URL: http://issues.apache.org/jira/browse/TUSCANY-505
Project: Tuscany
Type: Bug
Components: Java SDO Implementation
Versions: Java-M1
Environment: Windows XP
Reporter: Simon Laws
If I read the following doc:
<tns:RootElement xmlns:p="commonj.sdo"
xmlns:tns="http://www.apache.org/tuscany/interop";
xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://www.apache.org/tuscany/interop interop01.xsd">
<SimpleTypeWithName>SimpleTypeWithName</SimpleTypeWithName>
</tns:RootElement>
With the following schema
<schema xmlns=" http://www.w3.org/2001/XMLSchema";
targetNamespace="http://www.apache.org/tuscany/interop";
xmlns:tns=" http://www.apache.org/tuscany/interop";>
<include schemaLocation="interop10.xsd"/>
<!-- top level test type -->
<complexType name="ComplexTypeRootType">
<sequence>
<!-- simple types -->
<element name="SimpleTypeWithName" type="tns:SimpleTypeWithNameType"/>
</sequence>
</complexType>
<element name="RootElement" type="tns:ComplexTypeRootType"/>
</schema>
The I get a valid document (doc) with some data objects in it out of the
following code:
FileInputStream inFileStream = new FileInputStream (inFileName);
XMLDocument doc = XMLHelper.INSTANCE.load(inFileStream);
If I try in read in (note I have added and xsi:type attribute):
<tns:RootElement xmlns:p="commonj.sdo"
xsi:type="tns:ComplexTypeRootType"
xmlns:tns="http://www.apache.org/tuscany/interop "
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://www.apache.org/tuscany/interop interop01.xsd">
<SimpleTypeWithName>SimpleTypeWithName</SimpleTypeWithName>
</tns:RootElement>
The XMLHelper silently makes an empty document, i.e. the root element is null.
I talked with Frank and he suggested changing the xsi:type to refer to a type
that extends the root element type. This produced the same effect, i.e. and
empty document. However xsi:type does seem to behave in both the base type and
extension type case when attached to elements other than the root element.
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