Package org.eclipse.rdf4j.rio.languages

Class RFC3066LanguageHandler

java.lang.Object

org.eclipse.rdf4j.rio.languages.RFC3066LanguageHandler

All Implemented Interfaces:

LanguageHandler

public class RFC3066LanguageHandler
extends Object
implements LanguageHandler

A language handler that can verify RFC3066 formatted language tags.

This language handler normalises language tags to lower-case if normalizeLanguage(String, String, ValueFactory) is used.

Author:

Peter Ansell

See Also:

RFC 3066

Field Summary

Fields

Modifier and Type	Field	Description
protected Pattern	matcher	Language tag is RFC3066-conformant if it matches this regex: [a-zA-Z]{1,8}(-[a-zA-Z0-9]{1,8})*

Fields inherited from interface org.eclipse.rdf4j.rio.LanguageHandler

BCP47, RFC3066, RFC4646

Constructor Summary

Constructors

Constructor	Description
RFC3066LanguageHandler()	Default constructor.

Method Summary

Modifier and Type	Method	Description
String	getKey()
boolean	isRecognizedLanguage(String languageTag)
org.eclipse.rdf4j.model.Literal	normalizeLanguage(String literalValue, String languageTag, org.eclipse.rdf4j.model.ValueFactory valueFactory)
boolean	verifyLanguage(String literalValue, String languageTag)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

matcher

protected final Pattern matcher

Language tag is RFC3066-conformant if it matches this regex: [a-zA-Z]{1,8}(-[a-zA-Z0-9]{1,8})*

Constructor Detail

RFC3066LanguageHandler

public RFC3066LanguageHandler()

Default constructor.

Method Detail

isRecognizedLanguage

public boolean isRecognizedLanguage(String languageTag)

Specified by:

isRecognizedLanguage in interface LanguageHandler

verifyLanguage

public boolean verifyLanguage(String literalValue,
                              String languageTag)
                       throws LiteralUtilException

Specified by:

verifyLanguage in interface LanguageHandler

Throws:

LiteralUtilException

normalizeLanguage

public org.eclipse.rdf4j.model.Literal normalizeLanguage(String literalValue,
                                                         String languageTag,
                                                         org.eclipse.rdf4j.model.ValueFactory valueFactory)
                                                  throws LiteralUtilException

Specified by:

normalizeLanguage in interface LanguageHandler

Throws:

LiteralUtilException

getKey

public String getKey()

Specified by:

getKey in interface LanguageHandler