code: public void writeField(ObjectOutputStream daOut, Converter converter) throws IOException
      {
          String strFieldName = DBConstants.BLANK;
          if (converter != null) if (converter.getField() != null)
              strFieldName = converter.getField().getClass().getName();
          Object data = null;
          if (converter != null)
              data = converter.getData();
          daOut.writeUTF(strFieldName);
          daOut.writeObject(data);
      }
docs: Encode and write this field's data to the stream.
  @param daOut The output stream to marshal the data to.
  @param converter The field to serialize.