GwtLocale (GWT Javadoc)

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## com.google.gwt.i18n.shared
Interface GwtLocale

All Superinterfaces:
  java.lang.Comparable<GwtLocale>

All Known Implementing Classes:
  GwtLocaleImpl

    public interface GwtLocale

extends java.lang.Comparable<GwtLocale>

Class representing GWT locales and conversion to/from other formats. These locales correspond to BCP47.

Field Summary
`static java.lang.String` | `DEFAULT_LOCALE`

Method Summary
`int` | `compareTo(GwtLocale o)` The default comparison is a lexical ordering.
`java.util.List<GwtLocale>` | `getAliases()` Returns the list of aliases for this locale.
`java.lang.String` | `getAsString()` Returns the locale as a fixed-format string suitable for use in searching for localized resources.
`GwtLocale` | `getCanonicalForm()` Returns this locale in canonical form.
`java.util.List<GwtLocale>` | `getCompleteSearchList()` Returns the complete list of locales to search for the current locale.
`java.util.List<GwtLocale>` | `getInheritanceChain()` Returns a list of locales to search for, in order of preference.
`java.lang.String` | `getLanguage()` Returns the language portion of the locale, or null if none.
`java.lang.String` | `getLanguageNotNull()` Returns the language portion of the locale, or the empty string if none.
`java.lang.String` | `getRegion()` Returns the region portion of the locale, or null if none.
`java.lang.String` | `getRegionNotNull()` Returns the region portion of the locale, or the empty string if none.
`java.lang.String` | `getScript()` Returns the script portion of the locale, or null if none.
`java.lang.String` | `getScriptNotNull()` Returns the script portion of the locale, or the empty string if none.
`java.lang.String` | `getVariant()` Returns the variant portion of the locale, or null if none.
`java.lang.String` | `getVariantNotNull()` Returns the variant portion of the locale, or the empty string if none.
`boolean` | `inheritsFrom(GwtLocale parent)` Returns true if this locale inherits from the specified locale.
`boolean` | `isDefault()` Returns true if this is the default or root locale.
`java.lang.String` | `toString()` Returns a human readable string -- "default" or the same as getAsString().
`boolean` | `usesSameScript(GwtLocale other)` Checks if this locale uses the same script as another locale.

Field Detail

### DEFAULT_LOCALE

    static final java.lang.String DEFAULT_LOCALE

See Also:
  Constant Field Values

Method Detail

### compareTo

    int compareTo(GwtLocale o)

  The default comparison is a lexical ordering.

  Specified by:
    `compareTo` in interface `java.lang.Comparable<GwtLocale>`

### getAliases

    java.util.List<GwtLocale> getAliases()

  Returns the list of aliases for this locale. The canonical form of the current locale is always first on the list. Language/region codes have changed over time, so some systems continue to use the older codes. Aliases allow GWT to use the official Unicode CLDR locales while still interoperating with such systems.

  Returns:
    alias list

### getAsString

    java.lang.String getAsString()

  Returns the locale as a fixed-format string suitable for use in searching for localized resources. The format is language_Script_REGION_VARIANT, where language is a 2-8 letter code (possibly with 3-letter extensions), script is a 4-letter code with an initial capital letter, region is a 2-character country code or a 3-digit region code, and variant is a 5-8 character (may be 4 if the first character is numeric) code. If a component is missing, its preceding _ is also omitted. If this is the default locale, the empty string will be returned.

  Returns:
    String representing locale

### getCanonicalForm

    GwtLocale getCanonicalForm()

  Returns this locale in canonical form.
  - Deprecated language/region tags are replaced with official versions
  - Default scripts are removed (including region-specific defaults for Chinese)
  - no/nb/nn are normalized
  - Default region for zh_Hans and zh_Hant if none specified

  Returns:
    GwtLocale instance

### getCompleteSearchList

    java.util.List<GwtLocale> getCompleteSearchList()

  Returns the complete list of locales to search for the current locale. This list will always start with the canonical form of this locale, and end with "default", and include all appropriate aliases along the way.

  Returns:
    search list

### getInheritanceChain

    java.util.List<GwtLocale> getInheritanceChain()

  Returns a list of locales to search for, in order of preference. The current locale is always first on the list. Aliases are not included in the list -- use `getAliases()` to expand those.

  Returns:
    inheritance list

### getLanguage

    java.lang.String getLanguage()

  Returns the language portion of the locale, or null if none.

### getLanguageNotNull

    java.lang.String getLanguageNotNull()

  Returns the language portion of the locale, or the empty string if none.

### getRegion

    java.lang.String getRegion()

  Returns the region portion of the locale, or null if none.

### getRegionNotNull

    java.lang.String getRegionNotNull()

  Returns the region portion of the locale, or the empty string if none.

### getScript

    java.lang.String getScript()

  Returns the script portion of the locale, or null if none.

### getScriptNotNull

    java.lang.String getScriptNotNull()

  Returns the script portion of the locale, or the empty string if none.

### getVariant

    java.lang.String getVariant()

  Returns the variant portion of the locale, or null if none.

### getVariantNotNull

    java.lang.String getVariantNotNull()

  Returns the variant portion of the locale, or the empty string if none.

### inheritsFrom

    boolean inheritsFrom(GwtLocale parent)

  Returns true if this locale inherits from the specified locale. Note that locale.inheritsFrom(locale) is false -- if you want that to be true, you should just use locale.getInheritanceChain().contains(x).

  Parameters:
    `parent` - locale to test against
  Returns:
    true if parent is an ancestor of this locale

### isDefault

    boolean isDefault()

  Returns true if this is the default or root locale.

### toString

    java.lang.String toString()

  Returns a human readable string -- "default" or the same as getAsString().

  Overrides:
    `toString` in class `java.lang.Object`

### usesSameScript

    boolean usesSameScript(GwtLocale other)

  Checks if this locale uses the same script as another locale.

  Parameters:
    `other` -
  Returns:
    true if the scripts are the same

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