/**
* Calls {@link #asLocalDate(Date, ZoneId)} with the system default time zone.
*/
public static LocalDate asLocalDate(java.util.Date date) {
return asLocalDate(date, ZoneId.systemDefault());
}
/**
* Creates {@link LocalDate} from {@code java.util.Date} or it's subclasses. Null-safe.
*/
public static LocalDate asLocalDate(java.util.Date date, ZoneId zone) {
if (date == null) {
return null;
}
if (date instanceof java.sql.Date) {
return ((java.sql.Date) date).toLocalDate();
} else {
return Instant.ofEpochMilli(date.getTime()).atZone(zone).toLocalDate();
}
}
/**
* Calls {@link #asLocalDateTime(Date, ZoneId)} with the system default time zone.
*/
public static LocalDateTime asLocalDateTime(java.util.Date date) {
return asLocalDateTime(date, ZoneId.systemDefault());
}
/**
* Creates {@link LocalDateTime} from {@code java.util.Date} or it's subclasses. Null-safe.
*/
public static LocalDateTime asLocalDateTime(java.util.Date date, ZoneId zone) {
if (date == null) {
return null;
}
if (date instanceof java.sql.Timestamp) {
return ((java.sql.Timestamp) date).toLocalDateTime();
} else {
return Instant.ofEpochMilli(date.getTime()).atZone(zone).toLocalDateTime();
}
}
/**
* Calls {@link #asUtilDate(Object, ZoneId)} with the system default time zone.
*/
public static java.util.Date asUtilDate(Object date) {
return asUtilDate(date, ZoneId.systemDefault());
}
/**
* Creates a {@link java.util.Date} from various date objects. Is null-safe. Currently supports:<ul>
* <li>{@link java.util.Date}
* <li>{@link java.sql.Date}
* <li>{@link java.sql.Timestamp}
* <li>{@link java.time.LocalDate}
* <li>{@link java.time.LocalDateTime}
* <li>{@link java.time.ZonedDateTime}
* <li>{@link java.time.Instant}
* </ul>
*
* @param zone Time zone, used only if the input object is LocalDate or LocalDateTime.
*
* @return {@link java.util.Date} (exactly this class, not a subclass, such as java.sql.Date)
*/
public static java.util.Date asUtilDate(Object date, ZoneId zone) {
if (date == null) {
return null;
}
if (date instanceof java.sql.Date || date instanceof java.sql.Timestamp) {
return new java.util.Date(((java.util.Date) date).getTime());
}
if (date instanceof java.util.Date) {
return (java.util.Date) date;
}
if (date instanceof LocalDate) {
return Date.from(((LocalDate) date).atStartOfDay(zone).toInstant());
}
if (date instanceof LocalDateTime) {
return Date.from(((LocalDateTime) date).atZone(zone).toInstant());
}
if (date instanceof ZonedDateTime) {
return Date.from(((ZonedDateTime) date).toInstant());
}
if (date instanceof Instant) {
return Date.from((Instant) date);
}
throw new UnsupportedOperationException("Don't know hot to convert " + date.getClass().getName() + " to java.util.Date");
}
/**
* Creates an {@link Instant} from {@code java.util.Date} or it's subclasses. Null-safe.
*/
public static Instant asInstant(Date date) {
if (date == null) {
return null;
} else {
return Instant.ofEpochMilli(date.getTime());
}
}
/**
* Calls {@link #asZonedDateTime(Date, ZoneId)} with the system default time zone.
*/
public static ZonedDateTime asZonedDateTime(Date date) {
return asZonedDateTime(date, ZoneId.systemDefault());
}
/**
* Creates {@link ZonedDateTime} from {@code java.util.Date} or it's subclasses. Null-safe.
*/
public static ZonedDateTime asZonedDateTime(Date date, ZoneId zone) {
if (date == null) {
return null;
} else {
return asInstant(date).atZone(zone);
}
}