Class Language


  • public final class Language
    extends Metadata
    Language used in representations and preferences. A language tag is composed of one or more parts: A primary language tag and a possibly empty series of sub-tags. When formatted as a string, parts are separated by hyphens.
    Author:
    Jerome Louvel
    • Field Detail

      • ALL

        public static final Language ALL
        All languages acceptable.
      • DEFAULT

        public static final Language DEFAULT
        The default language of the JVM.
        See Also:
        Locale.getDefault()
      • ENGLISH

        public static final Language ENGLISH
        English language.
      • ENGLISH_US

        public static final Language ENGLISH_US
        English language spoken in USA.
      • FRENCH

        public static final Language FRENCH
        French language.
      • FRENCH_FRANCE

        public static final Language FRENCH_FRANCE
        French language spoken in France.
      • SPANISH

        public static final Language SPANISH
        Spanish language.
    • Constructor Detail

      • Language

        public Language​(java.lang.String name)
        Constructor.
        Parameters:
        name - The name.
      • Language

        public Language​(java.lang.String name,
                        java.lang.String description)
        Constructor.
        Parameters:
        name - The name.
        description - The description.
    • Method Detail

      • valueOf

        public static Language valueOf​(java.lang.String name)
        Returns the language associated to a name. If an existing constant exists then it is returned, otherwise a new instance is created.
        Parameters:
        name - The name.
        Returns:
        The associated language.
      • equals

        public boolean equals​(java.lang.Object object)
        Overrides:
        equals in class Metadata
      • getParent

        public Language getParent()
        Description copied from class: Metadata
        Returns the parent metadata if available or null.
        Specified by:
        getParent in class Metadata
        Returns:
        The parent metadata.
      • getPrimaryTag

        public java.lang.String getPrimaryTag()
        Returns the primary tag.
        Returns:
        The primary tag.
      • getSubTags

        public java.util.List<java.lang.String> getSubTags()
        Returns the unmodifiable list of subtags. This list can be empty.
        Returns:
        The list of subtags for this language Tag.
      • includes

        public boolean includes​(Metadata included)
        Indicates if a given language is included in the current one. The test is true if both languages are equal or if the given language is within the range of the current one. For example, ALL includes all languages. A null language is considered as included into the current one.

        Examples:

        • ENGLISH.includes(ENGLISH_US) returns true
        • ENGLISH_US.includes(ENGLISH) returns false
        Specified by:
        includes in class Metadata
        Parameters:
        included - The language to test for inclusion.
        Returns:
        True if the language type is included in the current one.
        See Also:
        Metadata.isCompatible(Metadata)