}
// NULL値の扱い
String nullValueConditionStr = getStringCellValue(
testConditionSheet, ConditionSheetItem.NULL_VALUE_CONDITION, row);
NullValueCondition nullValueCondition
= NullValueCondition.getConditonByJapanseName(nullValueConditionStr);
if (nullValueCondition == null) {
String msg = creaetExceptionMessage(ConditionSheetItem.NULL_VALUE_CONDITION, row);
throw new InvalidExcelBookException(msg);
}