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DateFormatSymbols

public class DateFormatSymbols
extends Object implements Serializable, Cloneable

java.lang.Object
↳	android.icu.text.DateFormatSymbols

[icu enhancement] ICU's replacement for DateFormatSymbols. Methods, fields, and other functionality specific to ICU are labeled '[icu]'.

DateFormatSymbols is a public class for encapsulating localizable date-time formatting data, such as the names of the months, the names of the days of the week, and the time zone data. DateFormat and SimpleDateFormat both use DateFormatSymbols to encapsulate this information.

Typically you shouldn't use DateFormatSymbols directly. Rather, you are encouraged to create a date-time formatter with the DateFormat class's factory methods: getTimeInstance, getDateInstance, or getDateTimeInstance. These methods automatically create a DateFormatSymbols for the formatter so that you don't have to. After the formatter is created, you may modify its format pattern using the setPattern method. For more information about creating formatters using DateFormat's factory methods, see DateFormat.

If you decide to create a date-time formatter with a specific format pattern for a specific locale, you can do so with:

 new SimpleDateFormat(aPattern, new DateFormatSymbols(aLocale)).

DateFormatSymbols objects are clonable. When you obtain a DateFormatSymbols object, feel free to modify the date-time formatting data. For instance, you can replace the localized date-time format pattern characters with the ones that you feel easy to remember. Or you can change the representative cities to your favorite ones.

New DateFormatSymbols subclasses may be added to support SimpleDateFormat for date-time formatting for additional locales.

See also:

DateFormat
SimpleDateFormat

Summary

Constants
`int`	`ABBREVIATED` [icu] Constant for width.
`int`	`FORMAT` [icu] Constant for context.
`int`	`NARROW` [icu] Constant for width.
`int`	`SHORT` [icu] Constant for width; only supported for weekdays.
`int`	`STANDALONE` [icu] Constant for context.
`int`	`WIDE` [icu] Constant for width.

Public constructors
`DateFormatSymbols()` Constructs a DateFormatSymbols object by loading format data from resources for the default `FORMAT` locale.
`DateFormatSymbols(Locale locale)` Constructs a DateFormatSymbols object by loading format data from resources for the given locale.
`DateFormatSymbols(ULocale locale)` [icu] Constructs a DateFormatSymbols object by loading format data from resources for the given ulocale.
`DateFormatSymbols(Calendar cal, Locale locale)` Returns the `DateFormatSymbols` object that should be used to format a calendar system's dates in the given locale.
`DateFormatSymbols(Calendar cal, ULocale locale)` Returns the `DateFormatSymbols` object that should be used to format a calendar system's dates in the given locale.
`DateFormatSymbols(Class<? extends Calendar> calendarClass, Locale locale)` Variant of DateFormatSymbols(Calendar, Locale) that takes the Calendar class instead of a Calendar instance.
`DateFormatSymbols(Class<? extends Calendar> calendarClass, ULocale locale)` Variant of DateFormatSymbols(Calendar, ULocale) that takes the Calendar class instead of a Calendar instance.
`DateFormatSymbols(ResourceBundle bundle, Locale locale)` Fetches a custom calendar's DateFormatSymbols out of the given resource bundle.
`DateFormatSymbols(ResourceBundle bundle, ULocale locale)` Fetches a custom calendar's DateFormatSymbols out of the given resource bundle.

Public methods
`Object`	`clone()` Overrides clone.
`boolean`	`equals(Object obj)` Overrides equals.
`String[]`	`getAmPmStrings()` Returns am/pm strings.
`static Locale[]`	`getAvailableLocales()` Returns an array of all locales for which the `getInstance` methods of this class can return localized instances.
`String[]`	`getEraNames()` [icu] Returns full era name strings.
`String[]`	`getEras()` Returns abbreviated era strings.
`static DateFormatSymbols`	`getInstance()` Returns a DateFormatSymbols instance for the default locale.
`static DateFormatSymbols`	`getInstance(Locale locale)` Returns a DateFormatSymbols instance for the given locale.
`static DateFormatSymbols`	`getInstance(ULocale locale)` [icu] Returns a DateFormatSymbols instance for the given locale.
`String`	`getLocalPatternChars()` Returns localized date-time pattern characters.
`String[]`	`getMonths(int context, int width)` Returns month strings.
`String[]`	`getMonths()` Returns month strings.
`String[]`	`getQuarters(int context, int width)` [icu] Returns quarter strings.
`String[]`	`getShortMonths()` Returns short month strings.
`String[]`	`getShortWeekdays()` Returns abbreviated weekday strings; for example: "Sun", "Mon", etc.
`String[]`	`getWeekdays(int context, int width)` Returns weekday strings.
`String[]`	`getWeekdays()` Returns wide weekday strings.
`String[]`	`getYearNames(int context, int width)` Returns cyclic year name strings if the calendar has them, for example: "jia-zi", "yi-chou", etc.
`String[]`	`getZodiacNames(int context, int width)` Returns calendar zodiac name strings if the calendar has them, for example: "Rat", "Ox", "Tiger", etc.
`String[][]`	`getZoneStrings()` Returns time zone strings.
`int`	`hashCode()` Override hashCode.
`void`	`setAmPmStrings(String[] newAmpms)` Sets am/pm strings.
`void`	`setEraNames(String[] newEraNames)` [icu] Sets full era name strings.
`void`	`setEras(String[] newEras)` Sets abbreviated era strings.
`void`	`setLocalPatternChars(String newLocalPatternChars)` Sets localized date-time pattern characters.
`void`	`setMonths(String[] newMonths)` Sets month strings.
`void`	`setMonths(String[] newMonths, int context, int width)` Sets month strings.
`void`	`setQuarters(String[] newQuarters, int context, int width)` [icu] Sets quarter strings.
`void`	`setShortMonths(String[] newShortMonths)` Sets short month strings.
`void`	`setShortWeekdays(String[] newAbbrevWeekdays)` Sets abbreviated weekday strings; for example: "Sun", "Mon", etc.
`void`	`setWeekdays(String[] newWeekdays)` Sets wide weekday strings.
`void`	`setWeekdays(String[] newWeekdays, int context, int width)` Sets weekday strings.
`void`	`setYearNames(String[] yearNames, int context, int width)` Sets cyclic year name strings, for example: "jia-zi", "yi-chou", etc.
`void`	`setZodiacNames(String[] zodiacNames, int context, int width)` Sets calendar zodiac name strings, for example: "Rat", "Ox", "Tiger", etc.
`void`	`setZoneStrings(String[][] newZoneStrings)` Sets time zone strings.

Protected methods
`void`	`initializeData(ULocale desiredLocale, String type)` Initializes format symbols for the locale and calendar type

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Constants

ABBREVIATED

public static final int ABBREVIATED

[icu] Constant for width.

Constant Value: 0 (0x00000000)

FORMAT

public static final int FORMAT

[icu] Constant for context.

Constant Value: 0 (0x00000000)

NARROW

public static final int NARROW

[icu] Constant for width.

Constant Value: 2 (0x00000002)

SHORT

public static final int SHORT

[icu] Constant for width; only supported for weekdays.

Constant Value: 3 (0x00000003)

STANDALONE

public static final int STANDALONE

[icu] Constant for context.

Constant Value: 1 (0x00000001)

WIDE

public static final int WIDE

[icu] Constant for width.

Constant Value: 1 (0x00000001)

Public constructors

DateFormatSymbols

public DateFormatSymbols ()

Constructs a DateFormatSymbols object by loading format data from resources for the default FORMAT locale.

Throws
`MissingResourceException`	if the resources for the default locale cannot be found or cannot be loaded.

See also:

ULocale.Category.FORMAT

DateFormatSymbols

public DateFormatSymbols (Locale locale)

Constructs a DateFormatSymbols object by loading format data from resources for the given locale.

Parameters
`locale`	`Locale`

Throws
`MissingResourceException`	if the resources for the specified locale cannot be found or cannot be loaded.

DateFormatSymbols

public DateFormatSymbols (ULocale locale)

[icu] Constructs a DateFormatSymbols object by loading format data from resources for the given ulocale.

Parameters
`locale`	`ULocale`

Throws
`MissingResourceException`	if the resources for the specified locale cannot be found or cannot be loaded.

DateFormatSymbols

public DateFormatSymbols (Calendar cal, 
                Locale locale)

Returns the DateFormatSymbols object that should be used to format a calendar system's dates in the given locale.

Parameters
`cal`	`Calendar`: The calendar system whose date format symbols are desired.
`locale`	`Locale`: The locale whose symbols are desired.

See also:

DateFormatSymbols(java.util.Locale)

DateFormatSymbols

public DateFormatSymbols (Calendar cal, 
                ULocale locale)

Returns the DateFormatSymbols object that should be used to format a calendar system's dates in the given locale.

Parameters
`cal`	`Calendar`: The calendar system whose date format symbols are desired.
`locale`	`ULocale`: The ulocale whose symbols are desired.

See also:

DateFormatSymbols(java.util.Locale)

DateFormatSymbols

public DateFormatSymbols (Class<? extends Calendar> calendarClass, 
                Locale locale)

Variant of DateFormatSymbols(Calendar, Locale) that takes the Calendar class instead of a Calendar instance.

Parameters
`calendarClass`	`Class`
`locale`	`Locale`

See also:

DateFormatSymbols(Calendar, Locale)

DateFormatSymbols

public DateFormatSymbols (Class<? extends Calendar> calendarClass, 
                ULocale locale)

Variant of DateFormatSymbols(Calendar, ULocale) that takes the Calendar class instead of a Calendar instance.

Parameters
`calendarClass`	`Class`
`locale`	`ULocale`

See also:

DateFormatSymbols(Calendar, Locale)

DateFormatSymbols

public DateFormatSymbols (ResourceBundle bundle, 
                Locale locale)

Fetches a custom calendar's DateFormatSymbols out of the given resource bundle. Symbols that are not overridden are inherited from the default DateFormatSymbols for the locale.

Parameters
`bundle`	`ResourceBundle`
`locale`	`Locale`

See also:

DateFormatSymbols(java.util.Locale)

DateFormatSymbols

public DateFormatSymbols (ResourceBundle bundle, 
                ULocale locale)

Fetches a custom calendar's DateFormatSymbols out of the given resource bundle. Symbols that are not overridden are inherited from the default DateFormatSymbols for the locale.

Parameters
`bundle`	`ResourceBundle`
`locale`	`ULocale`

See also:

DateFormatSymbols(java.util.Locale)

Public methods

clone

public Object clone ()

Overrides clone.

Returns
`Object`	a clone of this instance.

equals

public boolean equals (Object obj)

Overrides equals.

Parameters
`obj`	`Object`: the reference object with which to compare.

Returns
`boolean`	`true` if this object is the same as the obj argument; `false` otherwise.

getAmPmStrings

public String[] getAmPmStrings ()

Returns am/pm strings. For example: "AM" and "PM".

Returns
`String[]`	the weekday strings.

getAvailableLocales

public static Locale[] getAvailableLocales ()

Returns an array of all locales for which the getInstance methods of this class can return localized instances. [icu] Note: Unlike java.text.DateFormatSymbols#getAvailableLocales, this method simply returns the array of Locales available in this class. ICU does not support DateFormatSymbolsProvider introduced in Java 6 or its equivalent implementation for now.

Returns
`Locale[]`	An array of `Locale`s for which localized `DateFormatSymbols` instances are available.

getEraNames

public String[] getEraNames ()

[icu] Returns full era name strings. For example: "Anno Domini" and "Before Christ".

Returns
`String[]`	the era strings.

getEras

public String[] getEras ()

Returns abbreviated era strings. For example: "AD" and "BC".

Returns
`String[]`	the era strings.

getInstance

public static DateFormatSymbols getInstance ()

Returns a DateFormatSymbols instance for the default locale. [icu] Note: Unlike java.text.DateFormatSymbols#getInstance, this method simply returns new android.icu.text.DateFormatSymbols(). ICU does not support DateFormatSymbolsProvider introduced in Java 6 or its equivalent implementation for now.

Returns
`DateFormatSymbols`	A DateFormatSymbols instance.

getInstance

public static DateFormatSymbols getInstance (Locale locale)

Returns a DateFormatSymbols instance for the given locale. [icu] Note: Unlike java.text.DateFormatSymbols#getInstance, this method simply returns new android.icu.text.DateFormatSymbols(locale). ICU does not support DateFormatSymbolsProvider introduced in Java 6 or its equivalent implementation for now.

Parameters
`locale`	`Locale`: the locale.

Returns
`DateFormatSymbols`	A DateFormatSymbols instance.

getInstance

public static DateFormatSymbols getInstance (ULocale locale)

[icu] Returns a DateFormatSymbols instance for the given locale. [icu] Note: Unlike java.text.DateFormatSymbols#getInstance, this method simply returns new android.icu.text.DateFormatSymbols(locale). ICU does not support DateFormatSymbolsProvider introduced in Java 6 or its equivalent implementation for now.

Parameters
`locale`	`ULocale`: the locale.

Returns
`DateFormatSymbols`	A DateFormatSymbols instance.

getLocalPatternChars

public String getLocalPatternChars ()

Returns localized date-time pattern characters. For example: 'u', 't', etc.

Note: ICU no longer provides localized date-time pattern characters for a locale starting ICU 3.8. This method returns the non-localized date-time pattern characters unless user defined localized data is set by setLocalPatternChars.

Returns
`String`	the localized date-time pattern characters.

getMonths

public String[] getMonths (int context, 
                int width)

Returns month strings. For example: "January", "February", etc.

Parameters
`context`	`int`: The month context, FORMAT or STANDALONE.
`width`	`int`: The width or the returned month string, either WIDE, ABBREVIATED, or NARROW.

Returns
`String[]`	the month strings.

getMonths

public String[] getMonths ()

Returns month strings. For example: "January", "February", etc.

Returns
`String[]`	the month strings.

getQuarters

public String[] getQuarters (int context, 
                int width)

[icu] Returns quarter strings. For example: "1st Quarter", "2nd Quarter", etc.

Parameters
`context`	`int`: The quarter context, FORMAT or STANDALONE.
`width`	`int`: The width or the returned quarter string, either WIDE or ABBREVIATED. There are no NARROW quarters.

Returns
`String[]`	the quarter strings.

getShortMonths

public String[] getShortMonths ()

Returns short month strings. For example: "Jan", "Feb", etc.

Returns
`String[]`	the short month strings.

getShortWeekdays

public String[] getShortWeekdays ()

Returns abbreviated weekday strings; for example: "Sun", "Mon", etc. (Note: the method name is misleading; it does not get the CLDR-style "short" weekday strings, e.g. "Su", "Mo", etc.)

Returns
`String[]`	the abbreviated weekday strings. Use `Calendar.SUNDAY`, `Calendar.MONDAY`, etc. to index the result array.

getWeekdays

public String[] getWeekdays (int context, 
                int width)

Returns weekday strings. For example: "Sunday", "Monday", etc.

Parameters
`context`	`int`: Formatting context, either FORMAT or STANDALONE.
`width`	`int`: Width of strings to be returned, either WIDE, ABBREVIATED, SHORT, or NARROW

Returns
`String[]`	the weekday strings. Use `Calendar.SUNDAY`, `Calendar.MONDAY`, etc. to index the result array.

getWeekdays

public String[] getWeekdays ()

Returns wide weekday strings. For example: "Sunday", "Monday", etc.

Returns
`String[]`	the weekday strings. Use `Calendar.SUNDAY`, `Calendar.MONDAY`, etc. to index the result array.

getYearNames

public String[] getYearNames (int context, 
                int width)

Returns cyclic year name strings if the calendar has them, for example: "jia-zi", "yi-chou", etc.

Parameters
`context`	`int`: The usage context: FORMAT, STANDALONE.
`width`	`int`: The requested name width: WIDE, ABBREVIATED, SHORT, NARROW.

Returns
`String[]`	The year name strings, or null if they are not available for this calendar.

getZodiacNames

public String[] getZodiacNames (int context, 
                int width)

Returns calendar zodiac name strings if the calendar has them, for example: "Rat", "Ox", "Tiger", etc.

Parameters
`context`	`int`: The usage context: FORMAT, STANDALONE.
`width`	`int`: The requested name width: WIDE, ABBREVIATED, SHORT, NARROW.

Returns
`String[]`	The zodiac name strings, or null if they are not available for this calendar.

getZoneStrings

public String[][] getZoneStrings ()

Returns time zone strings.

The array returned by this API is a two dimensional String array and each row contains at least following strings:

ZoneStrings[n][0] - System time zone ID
ZoneStrings[n][1] - Long standard time display name
ZoneStrings[n][2] - Short standard time display name
ZoneStrings[n][3] - Long daylight saving time display name
ZoneStrings[n][4] - Short daylight saving time display name

When a localized display name is not available, the corresponding array element will be null.

Note: ICU implements the time zone display name formatting algorithm specified by UTS#35 Unicode Locale Data Markup Language(LDML). The algorithm supports historic display name changes and various different types of names not available in DateFormatSymbols.getZoneStrings(). For accessing the full set of time zone string data used by ICU implementation, you should use TimeZoneNames APIs instead.

Returns
`String[][]`	the time zone strings.

hashCode

public int hashCode ()

Override hashCode. Generates a hash code for the DateFormatSymbols object.

Returns
`int`	a hash code value for this object.

setAmPmStrings

public void setAmPmStrings (String[] newAmpms)

Sets am/pm strings. For example: "AM" and "PM".

Parameters
`newAmpms`	`String`: the new ampm strings.

setEraNames

public void setEraNames (String[] newEraNames)

[icu] Sets full era name strings. For example: "Anno Domini" and "Before Christ".

Parameters
`newEraNames`	`String`: the new era strings.

setEras

public void setEras (String[] newEras)

Sets abbreviated era strings. For example: "AD" and "BC".

Parameters
`newEras`	`String`: the new era strings.

setLocalPatternChars

public void setLocalPatternChars (String newLocalPatternChars)

Sets localized date-time pattern characters. For example: 'u', 't', etc.

Parameters
`newLocalPatternChars`	`String`: the new localized date-time pattern characters.

setMonths

public void setMonths (String[] newMonths)

Sets month strings. For example: "January", "February", etc.

Parameters
`newMonths`	`String`: the new month strings.

setMonths

public void setMonths (String[] newMonths, 
                int context, 
                int width)

Sets month strings. For example: "January", "February", etc.

Parameters
`newMonths`	`String`: the new month strings.
`context`	`int`: The formatting context, FORMAT or STANDALONE.
`width`	`int`: The width of the month string, either WIDE, ABBREVIATED, or NARROW.

setQuarters

public void setQuarters (String[] newQuarters, 
                int context, 
                int width)

[icu] Sets quarter strings. For example: "1st Quarter", "2nd Quarter", etc.

Parameters
`newQuarters`	`String`: the new quarter strings.
`context`	`int`: The formatting context, FORMAT or STANDALONE.
`width`	`int`: The width of the quarter string, either WIDE or ABBREVIATED. There are no NARROW quarters.

setShortMonths

public void setShortMonths (String[] newShortMonths)

Sets short month strings. For example: "Jan", "Feb", etc.

Parameters
`newShortMonths`	`String`: the new short month strings.

setShortWeekdays

public void setShortWeekdays (String[] newAbbrevWeekdays)

Sets abbreviated weekday strings; for example: "Sun", "Mon", etc. (Note: the method name is misleading; it does not set the CLDR-style "short" weekday strings, e.g. "Su", "Mo", etc.)

Parameters
`newAbbrevWeekdays`	`String`: the new abbreviated weekday strings. The array should be indexed by `Calendar.SUNDAY`, `Calendar.MONDAY`, etc.

setWeekdays

public void setWeekdays (String[] newWeekdays)

Sets wide weekday strings. For example: "Sunday", "Monday", etc.

Parameters
`newWeekdays`	`String`: the new weekday strings. The array should be indexed by `Calendar.SUNDAY`, `Calendar.MONDAY`, etc.

setWeekdays

public void setWeekdays (String[] newWeekdays, 
                int context, 
                int width)

Sets weekday strings. For example: "Sunday", "Monday", etc.

Parameters
`newWeekdays`	`String`: The new weekday strings.
`context`	`int`: The formatting context, FORMAT or STANDALONE.
`width`	`int`: The width of the strings, either WIDE, ABBREVIATED, SHORT, or NARROW.

setYearNames

public void setYearNames (String[] yearNames, 
                int context, 
                int width)

Sets cyclic year name strings, for example: "jia-zi", "yi-chou", etc.

Parameters
`yearNames`	`String`: The new cyclic year name strings.
`context`	`int`: The usage context: FORMAT, STANDALONE (currently only FORMAT is supported).
`width`	`int`: The name width: WIDE, ABBREVIATED, NARROW (currently only ABBREVIATED is supported).

setZodiacNames

public void setZodiacNames (String[] zodiacNames, 
                int context, 
                int width)

Sets calendar zodiac name strings, for example: "Rat", "Ox", "Tiger", etc.

Parameters
`zodiacNames`	`String`: The new zodiac name strings.
`context`	`int`: The usage context: FORMAT, STANDALONE (currently only FORMAT is supported).
`width`	`int`: The name width: WIDE, ABBREVIATED, NARROW (currently only ABBREVIATED is supported).

setZoneStrings

public void setZoneStrings (String[][] newZoneStrings)

Sets time zone strings.

Note: SimpleDateFormat no longer uses the zone strings stored in a DateFormatSymbols. Therefore, the time zone strings set by this method have no effects in an instance of SimpleDateFormat for formatting time zones. If you want to customize time zone display names formatted by SimpleDateFormat, you should customize TimeZoneFormat and set the instance by SimpleDateFormat#setTimeZoneFormat(TimeZoneFormat) instead.

Parameters
`newZoneStrings`	`String`: the new time zone strings.

Protected methods

initializeData

protected void initializeData (ULocale desiredLocale, 
                String type)

Initializes format symbols for the locale and calendar type

Parameters
`desiredLocale`	`ULocale`: The locale whose symbols are desired.
`type`	`String`: The calendar type whose date format symbols are desired.