org.restlet.data
Class Language

java.lang.Object
  org.restlet.data.Metadata
      org.restlet.data.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 Summary

static Language	ALL All languages acceptable.
static Language	DEFAULT The default language of the JVM.
static Language	ENGLISH English language.
static Language	ENGLISH_US English language spoken in USA.
static Language	FRENCH French language.
static Language	FRENCH_FRANCE French language spoken in France.
static Language	SPANISH Spanish language.

Constructor Summary

Language(String name)
Constructor.

Language(String name, String description)
Constructor.

Method Summary

boolean	equals(Object object)
Language	getParent() Returns the parent metadata if available or null.
String	getPrimaryTag() Returns the primary tag.
List<String>	getSubTags() Returns the unmodifiable list of subtags.
int	hashCode()
boolean	includes(Metadata included) Indicates if a given language is included in the current one.
static Language	valueOf(String name) Returns the language associated to a name.

Methods inherited from class org.restlet.data.Metadata

getDescription, getName, isCompatible, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

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(String name)

Constructor.

Parameters:

name - The name.

Language

public Language(String name,
                String description)

Constructor.

Parameters:

name - The name.

description - The description.

Method Detail

valueOf

public static Language valueOf(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(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 String getPrimaryTag()

Returns the primary tag.

Returns:

The primary tag.

getSubTags

public List<String> getSubTags()

Returns the unmodifiable list of subtags. This list can be empty.

Returns:

The list of subtags for this language Tag.

hashCode

public int hashCode()

Overrides:

hashCode in class Metadata

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) -> true
• ENGLISH_US.includes(ENGLISH) -> 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)