cn.hutool.core.date

Class TimeZoneUtil

java.lang.Object

cn.hutool.core.date.TimeZoneUtil

public class TimeZoneUtil
extends Object

时间时区工具类

Since:

5.8.44

Author:

looly

Field Summary

Fields

Modifier and Type	Field and Description
static TimeZone	GMT The GMT time zone.
static String	GMT_ID A public version of TimeZone's package private GMT_ID field.

Constructor Summary

Constructors

Constructor and Description
TimeZoneUtil()

Method Summary

Modifier and Type	Method and Description
static TimeZone	getTimeZone(String id) Delegates to TimeZone.getTimeZone(String) after mapping an ID if it's in ZoneId.SHORT_IDS.
static TimeZone	toTimeZone(TimeZone timeZone) Returns the given TimeZone if non-null, otherwise TimeZone.getDefault().

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

GMT_ID

public static final String GMT_ID

A public version of TimeZone's package private GMT_ID field.

See Also:

Constant Field Values

GMT

public static final TimeZone GMT

The GMT time zone.

Constructor Detail

TimeZoneUtil

public TimeZoneUtil()

Method Detail

getTimeZone

public static TimeZone getTimeZone(String id)

Delegates to TimeZone.getTimeZone(String) after mapping an ID if it's in ZoneId.SHORT_IDS.

On Java 25, calling TimeZone.getTimeZone(String) with an ID in ZoneId.SHORT_IDS writes a message to System.err in the form:

 WARNING: Use of the three-letter time zone ID "the-short-id" is deprecated and it will be removed in a future release
 

You can disable mapping from ZoneId.SHORT_IDS by setting the system property "TimeZones.mapShortIDs=false".

Parameters:

id - Same as TimeZone.getTimeZone(String).

Returns:

Same as TimeZone.getTimeZone(String).

toTimeZone

public static TimeZone toTimeZone(TimeZone timeZone)

Returns the given TimeZone if non-null, otherwise TimeZone.getDefault().

Parameters:

timeZone - a locale or null.

Returns:

the given locale if non-null, otherwise TimeZone.getDefault().