public String convertEJavaClassToString(EDataType metaObject, Object instanceValue)
  {
    return instanceValue == null ? "" : ((Class<?>)instanceValue).getName();
  }

  public Class<?> createEJavaClassFromString(EDataType metaObject, String initialValue) 
  {
    try
    {
      if (initialValue == null) return null;
      else if ("boolean".equals(initialValue)) return boolean.class;
      else if ("byte".equals(initialValue)) return byte.class;
      else if ("char".equals(initialValue)) return char.class;
      else if ("double".equals(initialValue)) return double.class;
      else if ("float".equals(initialValue)) return float.class;
      else if ("int".equals(initialValue)) return int.class;
      else if ("long".equals(initialValue)) return long.class;
      else if ("short".equals(initialValue)) return short.class;
      else return Class.forName(initialValue);
    }
    catch (ClassNotFoundException e)
    {
      throw new WrappedException(e);
    }
  }