private static long getFragment()

in src/main/java/org/apache/commons/lang3/time/DateUtils.java [408:448]
32 lines of code
12 McCabe index (conditional complexity)

    private static long getFragment(final Calendar calendar, final int fragment, final TimeUnit unit) {
        Objects.requireNonNull(calendar, "calendar");
        long result = 0;
        final int offset = unit == TimeUnit.DAYS ? 0 : 1;

        // Fragments bigger than a day require a breakdown to days
        switch (fragment) {
            case Calendar.YEAR:
                result += unit.convert(calendar.get(Calendar.DAY_OF_YEAR) - offset, TimeUnit.DAYS);
                break;
            case Calendar.MONTH:
                result += unit.convert(calendar.get(Calendar.DAY_OF_MONTH) - offset, TimeUnit.DAYS);
                break;
            default:
                break;
        }

        switch (fragment) {
            // Number of days already calculated for these cases
            case Calendar.YEAR:
            case Calendar.MONTH:

            // The rest of the valid cases
            case Calendar.DAY_OF_YEAR:
            case Calendar.DATE:
                result += unit.convert(calendar.get(Calendar.HOUR_OF_DAY), TimeUnit.HOURS);
                // falls-through
            case Calendar.HOUR_OF_DAY:
                result += unit.convert(calendar.get(Calendar.MINUTE), TimeUnit.MINUTES);
                // falls-through
            case Calendar.MINUTE:
                result += unit.convert(calendar.get(Calendar.SECOND), TimeUnit.SECONDS);
                // falls-through
            case Calendar.SECOND:
                result += unit.convert(calendar.get(Calendar.MILLISECOND), TimeUnit.MILLISECONDS);
                break;
            case Calendar.MILLISECOND: break; //never useful
                default: throw new IllegalArgumentException("The fragment " + fragment + " is not supported");
        }
        return result;
    }