# File lib/soap/mapping/wsdlliteralregistry.rb, line 36
  def obj2soap(obj, qname)
    soap_obj = nil
    if ele = @definedelements[qname]
      soap_obj = obj2elesoap(obj, ele)
    elsif type = @definedtypes[qname]
      soap_obj = obj2typesoap(obj, type, true)
    else
      soap_obj = any2soap(obj, qname)
    end
    return soap_obj if soap_obj
    if @excn_handler_obj2soap
      soap_obj = @excn_handler_obj2soap.call(obj) { |yield_obj|
        Mapping.obj2soap(yield_obj, nil, nil, MAPPING_OPT)
      }
      return soap_obj if soap_obj
    end
    raise MappingError.new("cannot map #{obj.class.name} as #{qname}")
  end