if (genericType == null) {
genericType = type;
}
AegisContext context = getAegisContext(type, genericType);
AegisType aegisType = context.getTypeMapping().getType(genericType);
AegisWriter<XMLStreamWriter> aegisWriter = context.createXMLStreamWriter();
try {
XMLStreamWriter xmlStreamWriter = createStreamWriter(aegisType.getSchemaType(), os);
// use type qname as element qname?
xmlStreamWriter.writeStartDocument();
aegisWriter.write(obj, aegisType.getSchemaType(), false, xmlStreamWriter, aegisType);