_obj2soap

# File lib/soap/mapping/registry.rb, line 447
  def _obj2soap(obj)
    ret = nil
    if obj.is_a?(SOAPStruct) or obj.is_a?(SOAPArray)
      obj.replace do |ele|
        Mapping._obj2soap(ele, self)
      end
      return obj
    elsif obj.is_a?(SOAPBasetype)
      return obj
    end
    begin 
      ret = @map.obj2soap(obj) ||
        @default_factory.obj2soap(nil, obj, nil, self)
      return ret if ret
    rescue MappingError
    end
    if @excn_handler_obj2soap
      ret = @excn_handler_obj2soap.call(obj) { |yield_obj|
        Mapping._obj2soap(yield_obj, self)
      }
      return ret if ret
    end
    raise MappingError.new("Cannot map #{ obj.class.name } to SOAP/OM.")
  end