public Object unmarshal(InputSource inputSource, Class clazz, XMLReader xmlReader) {
if (inputSource != null && null == inputSource.getSystemId()) {
inputSource.setSystemId(this.systemId);
}
UnmarshalRecord unmarshalRecord =null;
XMLDescriptor xmlDescriptor = null;
// for XMLObjectReferenceMappings we need a non-shared cache, so
// try and get a Unit Of Work from the XMLContext
AbstractSession session = null;
// check for case where the reference class is a primitive wrapper - in this case, we
// need to use the conversion manager to convert the node's value to the primitive
// wrapper class, then create, populate and return an XMLRoot. This will be done
// via XMLRootRecord.
boolean isPrimitiveWrapper = false;
if(clazz == ClassConstants.OBJECT) {
try{
SAXUnmarshallerHandler saxUnmarshallerHandler = new SAXUnmarshallerHandler(xmlUnmarshaller.getXMLContext());
saxUnmarshallerHandler.setXMLReader(xmlReader);
saxUnmarshallerHandler.setUnmarshaller(xmlUnmarshaller);
saxUnmarshallerHandler.setKeepAsElementPolicy(UnmarshalKeepAsElementPolicy.KEEP_UNKNOWN_AS_ELEMENT);
setContentHandler(xmlReader, saxUnmarshallerHandler);
xmlReader.parse(inputSource);
// resolve any mapping references
saxUnmarshallerHandler.resolveReferences();
return saxUnmarshallerHandler.getObject();
} catch (IOException e) {
throw XMLMarshalException.unmarshalException(e);
} catch (SAXException e) {
throw convertSAXException(e);
}
} else {
// for XMLObjectReferenceMappings we need a non-shared cache, so
// try and get a Unit Of Work from the XMLContext
try{
session = xmlUnmarshaller.getXMLContext().getReadSession(clazz);
xmlDescriptor = (XMLDescriptor) session.getDescriptor(clazz);
unmarshalRecord = (UnmarshalRecord) xmlDescriptor.getObjectBuilder().createRecord(session);
}catch(XMLMarshalException xme){
if(xme.getErrorCode() == XMLMarshalException.DESCRIPTOR_NOT_FOUND_IN_PROJECT){
isPrimitiveWrapper = isPrimitiveWrapper(clazz);
if (isPrimitiveWrapper) {
unmarshalRecord = new XMLRootRecord(clazz);
unmarshalRecord.setSession((AbstractSession) xmlUnmarshaller.getXMLContext().getSession(0));
}else{
throw xme;
}
}else{
throw xme;
}
}
}
try {
unmarshalRecord.setXMLReader(xmlReader);
unmarshalRecord.setUnmarshaller(xmlUnmarshaller);
setContentHandler(xmlReader, unmarshalRecord);
xmlReader.setLexicalHandler(unmarshalRecord);
xmlReader.parse(inputSource);
} catch (IOException e) {
throw XMLMarshalException.unmarshalException(e);
} catch (SAXException e) {
throw convertSAXException(e);
} finally {
xmlUnmarshaller.getStringBuffer().reset();
}
// resolve mapping references
xmlUnmarshaller.resolveReferences(session);
if (isPrimitiveWrapper) {
return unmarshalRecord.getCurrentObject();
}
return xmlDescriptor.wrapObjectInXMLRoot(unmarshalRecord, this.isResultAlwaysXMLRoot);
}