/**
* Gets the value of the specified field from this day-of-week as a {@code long}.
*
* <p>This queries this day-of-week for the value for the specified field. If it is not possible
* to return the value, because the field is not supported or for some other reason, an exception
* is thrown.
*
* <p>If the field is {@link ChronoField#DAY_OF_WEEK DAY_OF_WEEK} then the value of the
* day-of-week, from 1 to 7, will be returned. All other {@code ChronoField} instances will throw
* an {@code UnsupportedTemporalTypeException}.
*
* <p>If the field is not a {@code ChronoField}, then the result of this method is obtained by
* invoking {@code TemporalField.getFrom(TemporalAccessor)} passing {@code this} as the argument.
* Whether the value can be obtained, and what the value represents, is determined by the field.
*
* @param field the field to get, not null
* @return the value for the field
* @throws DateTimeException if a value for the field cannot be obtained
* @throws UnsupportedTemporalTypeException if the field is not supported
* @throws ArithmeticException if numeric overflow occurs
*/
@Override
public long getLong(TemporalField field) {
if (field == DAY_OF_WEEK) {
return getValue();
} else if (field instanceof ChronoField) {
throw new UnsupportedTemporalTypeException("Unsupported field: " + field);
}
return field.getFrom(this);
}
// -----------------------------------------------------------------------
@Override
public long getLong(TemporalField field) {
if (field instanceof ChronoField) {
switch ((ChronoField) field) {
case DAY_OF_WEEK:
return getDayOfWeek();
case ALIGNED_DAY_OF_WEEK_IN_MONTH:
return getAlignedDayOfWeekInMonth();
case ALIGNED_DAY_OF_WEEK_IN_YEAR:
return getAlignedDayOfWeekInYear();
case DAY_OF_MONTH:
return getDayOfMonth();
case DAY_OF_YEAR:
return getDayOfYear();
case EPOCH_DAY:
return toEpochDay();
case ALIGNED_WEEK_OF_MONTH:
return getAlignedWeekOfMonth();
case ALIGNED_WEEK_OF_YEAR:
return getAlignedWeekOfYear();
case MONTH_OF_YEAR:
return getMonth();
case PROLEPTIC_MONTH:
return getProlepticMonth();
case YEAR_OF_ERA:
return getYearOfEra();
case YEAR:
return getProlepticYear();
case ERA:
return (getProlepticYear() >= 1 ? 1 : 0);
default:
break;
}
throw new UnsupportedTemporalTypeException("Unsupported field: " + field);
}
return field.getFrom(this);
}
