com.tencent.kona.sun.util.calendar

Class ZoneInfoFile

java.lang.Object

com.tencent.kona.sun.util.calendar.ZoneInfoFile

public final class ZoneInfoFile
extends java.lang.Object

Loads TZDB time-zone rules for j.u.TimeZone

Since:

1.8

Method Summary

Modifier and Type	Method and Description
static java.util.Map<java.lang.String,java.lang.String>	getAliasMap() Returns a Map from alias time zone IDs to their standard time zone IDs.
static ZoneInfo	getCustomTimeZone(java.lang.String originalId, int gmtOffset) Gets a ZoneInfo with the given GMT offset.
static java.lang.String	getVersion() Gets the version of this tz data.
static java.lang.String[]	getZoneIds() Gets all available IDs supported in the Java run-time.
static java.lang.String[]	getZoneIds(int rawOffset) Gets all available IDs that have the same value as the specified raw GMT offset.
static ZoneInfo	getZoneInfo(java.io.DataInput in, java.lang.String zoneId)
static ZoneInfo	getZoneInfo(java.lang.String zoneId)
static int	readOffset(java.io.DataInput in)
static java.lang.String	toCustomID(int gmtOffset)
static boolean	useOldMapping()

Methods inherited from class java.lang.Object

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

Method Detail

getZoneIds

public static java.lang.String[] getZoneIds()

Gets all available IDs supported in the Java run-time.

Returns:

a set of time zone IDs.

getZoneIds

public static java.lang.String[] getZoneIds(int rawOffset)

Gets all available IDs that have the same value as the specified raw GMT offset.

Parameters:

rawOffset - the GMT offset in milliseconds. This value should not include any daylight saving time.

Returns:

an array of time zone IDs.

getZoneInfo

public static ZoneInfo getZoneInfo(java.lang.String zoneId)

getAliasMap

public static java.util.Map<java.lang.String,java.lang.String> getAliasMap()

Returns a Map from alias time zone IDs to their standard time zone IDs.

Returns:

an unmodified alias mapping

getVersion

public static java.lang.String getVersion()

Gets the version of this tz data.

Returns:

the tzdb version

getCustomTimeZone

public static ZoneInfo getCustomTimeZone(java.lang.String originalId,
                                         int gmtOffset)

Gets a ZoneInfo with the given GMT offset. The object has its ID in the format of GMT{+|-}hh:mm.

Parameters:

originalId - the given custom id (before normalized such as "GMT+9")

gmtOffset - GMT offset in milliseconds

Returns:

a ZoneInfo constructed with the given GMT offset

toCustomID

public static java.lang.String toCustomID(int gmtOffset)

useOldMapping

public static boolean useOldMapping()

getZoneInfo

public static ZoneInfo getZoneInfo(java.io.DataInput in,
                                   java.lang.String zoneId)
                            throws java.lang.Exception

Throws:

java.lang.Exception

readOffset

public static int readOffset(java.io.DataInput in)
                      throws java.io.IOException

Throws:

java.io.IOException