private static LocalDate parse(final DateTimeFormatter formatter, final String value) {
try {
Instant epoch = Instant.ofEpochMilli(Long.parseLong(value));
ZonedDateTime zonedDate =
epoch.atZone(Optional.ofNullable(formatter.getZone()).orElse(ZoneId.systemDefault()));
return zonedDate.toLocalDate();
} catch (NumberFormatException ex) {
return LocalDate.parse(value, formatter);
}
}
public static DateTimeFormatter getDateTimeFormatter(ColumnDefinition<?, ?> columnDefinition) {
DateTimeFormatter dtf;
if (columnDefinition.has(JavaDateTimeFormatterProperty.class)) {
dtf = columnDefinition.lookFor(JavaDateTimeFormatterProperty.class).getFormatter();
} else if (columnDefinition.has(DateFormatProperty.class)) {
dtf =
DateTimeFormatter.ofPattern(
columnDefinition.lookFor(DateFormatProperty.class).getPattern());
} else {
throw new IllegalArgumentException("No date format pattern specified");
}
final ZoneId zoneId = _getZoneId(columnDefinition);
if (zoneId != null) {
dtf = dtf.withZone(zoneId);
} else if (dtf.getZone() == null) {
dtf = dtf.withZone(ZoneId.systemDefault());
}
return dtf;
}