def obj2xml(obj, elename = nil, io = nil)
opt = MAPPING_OPT.dup
unless elename
if definition = @registry.elename_schema_definition_from_class(obj.class)
elename = definition.elename
opt[:root_type_hint] = false
end
end
elename = SOAP::Mapping.to_qname(elename) if elename
soap = SOAP::Mapping.obj2soap(obj, @registry, elename, opt)
if soap.elename.nil? or soap.elename == XSD::QName::EMPTY
soap.elename =
XSD::QName.new(nil, SOAP::Mapping.name2elename(obj.class.to_s))
end
generator = SOAP::Generator.new(opt)
generator.generate(soap, io)
end