public Object getValueAt(int row, int column) {
   final String S_ProcName = "getValueAt";
   if ((row < 0) || (column < -1)) {
     return (null);
   }
   if (arrayOfISOTimezone == null) {
     return (null);
   }
   int len = arrayOfISOTimezone.length;
   if (row >= len) {
     return (null);
   }
   ICFSecurityISOTimezoneObj obj = arrayOfISOTimezone[row];
   if (obj == null) {
     return (null);
   }
   Object retval;
   switch (column) {
     case COLID_ROW_HEADER:
       retval = obj;
       break;
     case COLID_OBJQUALIFIEDNAME:
       retval = obj.getObjQualifiedName();
       break;
     case COLID_ISOTIMEZONEID:
       retval = new Short(obj.getRequiredISOTimezoneId());
       break;
     case COLID_ISO8601:
       retval = obj.getRequiredIso8601();
       if (retval == null) {
         retval = "";
       }
       break;
     case COLID_TZNAME:
       retval = obj.getRequiredTZName();
       if (retval == null) {
         retval = "";
       }
       break;
     case COLID_TZHOUROFFSET:
       retval = new Short(obj.getRequiredTZHourOffset());
       break;
     case COLID_TZMINOFFSET:
       retval = new Short(obj.getRequiredTZMinOffset());
       break;
     case COLID_DESCRIPTION:
       retval = obj.getRequiredDescription();
       if (retval == null) {
         retval = "";
       }
       break;
     case COLID_VISIBLE:
       retval = new Boolean(obj.getRequiredVisible());
       break;
     default:
       retval = null;
       break;
   }
   return (retval);
 }