Added in API level 26

Summary: Enums | Methods | Inherited Methods

Locale.FilteringMode

public static final enum Locale.FilteringMode
extends Enum<Locale.FilteringMode>

java.lang.Object
↳	java.lang.Enum<java.util.Locale.FilteringMode>
	↳	java.util.Locale.FilteringMode

This enum provides constants to select a filtering mode for locale matching. Refer to RFC 4647 Matching of Language Tags for details.

As an example, think of two Language Priority Lists each of which includes only one language range and a set of following language tags:

    de (German)
    de-DE (German, Germany)
    de-Deva (German, in Devanagari script)
    de-Deva-DE (German, in Devanagari script, Germany)
    de-DE-1996 (German, Germany, orthography of 1996)
    de-Latn-DE (German, in Latin script, Germany)
    de-Latn-DE-1996 (German, in Latin script, Germany, orthography of 1996)

The filtering method will behave as follows:

Filtering method behavior
Filtering Mode	Language Priority List: `"de-DE"`	Language Priority List: `"de-*-DE"`
`AUTOSELECT_FILTERING`	Performs basic filtering and returns `"de-DE"` and `"de-DE-1996"`.	Performs extended filtering and returns `"de-DE"`, `"de-Deva-DE"`, `"de-DE-1996"`, `"de-Latn-DE"`, and `"de-Latn-DE-1996"`.
`EXTENDED_FILTERING`	Performs extended filtering and returns `"de-DE"`, `"de-Deva-DE"`, `"de-DE-1996"`, `"de-Latn-DE"`, and `"de-Latn-DE-1996"`.	Same as above.
`IGNORE_EXTENDED_RANGES`	Performs basic filtering and returns `"de-DE"` and `"de-DE-1996"`.	Performs basic filtering and returns `null` because nothing matches.
`MAP_EXTENDED_RANGES`	Same as above.	Performs basic filtering and returns `"de-DE"` and `"de-DE-1996"` because `"de-*-DE"` is mapped to `"de-DE"`.
`REJECT_EXTENDED_RANGES`	Same as above.	Throws `IllegalArgumentException` because `"de-*-DE"` is not a valid basic language range.

See also:

Summary

Enum values
`Locale.FilteringMode`	`AUTOSELECT_FILTERING` Specifies automatic filtering mode based on the given Language Priority List consisting of language ranges.
`Locale.FilteringMode`	`EXTENDED_FILTERING` Specifies extended filtering.
`Locale.FilteringMode`	`IGNORE_EXTENDED_RANGES` Specifies basic filtering: Note that any extended language ranges included in the given Language Priority List are ignored.
`Locale.FilteringMode`	`MAP_EXTENDED_RANGES` Specifies basic filtering: If any extended language ranges are included in the given Language Priority List, they are mapped to the basic language range.
`Locale.FilteringMode`	`REJECT_EXTENDED_RANGES` Specifies basic filtering: If any extended language ranges are included in the given Language Priority List, the list is rejected and the filtering method throws `IllegalArgumentException`.

Public methods
`static Locale.FilteringMode`	`valueOf(String name)`
`static final FilteringMode[]`	`values()`

Inherited methods

From class


        
          java.lang.Enum

`final Object`	`clone()` Throws CloneNotSupportedException.
`final int`	`compareTo(Locale.FilteringMode o)` Compares this enum with the specified object for order.
`final boolean`	`equals(Object other)` Returns true if the specified object is equal to this enum constant.
`final void`	`finalize()` enum classes cannot have finalize methods.
`final Class<Locale.FilteringMode>`	`getDeclaringClass()` Returns the Class object corresponding to this enum constant's enum type.
`final int`	`hashCode()` Returns a hash code for this enum constant.
`final String`	`name()` Returns the name of this enum constant, exactly as declared in its enum declaration.
`final int`	`ordinal()` Returns the ordinal of this enumeration constant (its position in its enum declaration, where the initial constant is assigned an ordinal of zero).
`String`	`toString()` Returns the name of this enum constant, as contained in the declaration.
`static <T extends Enum<T>> T`	`valueOf(Class<T> enumClass, String name)` Returns the enum constant of the specified enum class with the specified name.

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 timeoutMillis, int nanos)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait()` Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

From interface


        
          java.lang.Comparable


      compareTo(Locale.FilteringMode o)

Compares this object with the specified object for order.

Enum values

AUTOSELECT_FILTERING

Added in API level 26

public static final Locale.FilteringMode AUTOSELECT_FILTERING

Specifies automatic filtering mode based on the given Language Priority List consisting of language ranges. If all of the ranges are basic, basic filtering is selected. Otherwise, extended filtering is selected.

EXTENDED_FILTERING

Added in API level 26

public static final Locale.FilteringMode EXTENDED_FILTERING

Specifies extended filtering.

IGNORE_EXTENDED_RANGES

Added in API level 26

public static final Locale.FilteringMode IGNORE_EXTENDED_RANGES

Specifies basic filtering: Note that any extended language ranges included in the given Language Priority List are ignored.

MAP_EXTENDED_RANGES

Added in API level 26

public static final Locale.FilteringMode MAP_EXTENDED_RANGES

Specifies basic filtering: If any extended language ranges are included in the given Language Priority List, they are mapped to the basic language range. Specifically, a language range starting with a subtag "*" is treated as a language range "*". For example, "*-US" is treated as "*". If "*" is not the first subtag, "*" and extra "-" are removed. For example, "ja-*-JP" is mapped to "ja-JP".

REJECT_EXTENDED_RANGES

Added in API level 26

public static final Locale.FilteringMode REJECT_EXTENDED_RANGES

Specifies basic filtering: If any extended language ranges are included in the given Language Priority List, the list is rejected and the filtering method throws IllegalArgumentException.

Public methods

valueOf

public static Locale.FilteringMode valueOf (String name)

Parameters
`name`	`String`

Returns
`Locale.FilteringMode`

values

public static final FilteringMode[] values ()

Returns
`FilteringMode[]`

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Locale.FilteringMode

Summary

Enum values

Public methods

Inherited methods

Enum values

AUTOSELECT_FILTERING

EXTENDED_FILTERING

IGNORE_EXTENDED_RANGES

MAP_EXTENDED_RANGES

REJECT_EXTENDED_RANGES

Public methods

valueOf

values

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