PURPOSE: To provide a system and a method for storing object information in a fixed medium.

CONSTITUTION: A default encoder-decoder for encoding object fixed attribute data 202 to the strings of the name, form and data value of attributes is supplied. Encoding and decoding are managed by one or plural get methods and one or plural set methods. The get method controls the storage of data and the set method controls the re-storage of fixed data. The encoded strings of the attribute data compatible to a high order by the replacement or subscribing of the set method.