org.mulgara.jena.rdf.arp.lang
Class LanguageTag

java.lang.Object
  org.mulgara.jena.rdf.arp.lang.LanguageTag

All Implemented Interfaces:

LanguageTagCodes

Direct Known Subclasses:

IanaLanguageTag

public class LanguageTag
extends Object
implements LanguageTagCodes

RFC 3066, "Tags for the Identification of Languages".

Author:

jjc

Field Summary

Fields inherited from interface org.mulgara.jena.rdf.arp.lang.LanguageTagCodes

LT_DEFAULT, LT_EXTRA, LT_IANA, LT_IANA_DEPRECATED, LT_ILLEGAL, LT_ISO3166, LT_ISO639, LT_LOCAL_USE, LT_MULTIPLE, LT_PRIVATE_USE, LT_UNDETERMINED

Constructor Summary

LanguageTag(String tag)
Creates new RFC3066 LanguageTag.

Method Summary

String	errorMessage() An error message describing the reason the tag is illegal.
int	tagType() The properties of this LanguageTag, expressed as a bitwise or of fields from LanguageTagCodes.

Methods inherited from class java.lang.Object

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

Constructor Detail

LanguageTag

public LanguageTag(String tag)
            throws LanguageTagSyntaxException

Creates new RFC3066 LanguageTag.

Parameters:

tag - The tag to parse and analyse.

Throws:

LanguageTagSyntaxException - If the syntactic rules of RFC3066 section 2.1 are broken.

Method Detail

tagType

public int tagType()

The properties of this LanguageTag, expressed as a bitwise or of fields from LanguageTagCodes. If the tag is illegal only LT_ILLEGAL is reported. Examples include:

LT_ISO639

en English.

LT_ISO639|LT_ISO3166

en-GB British English

LT_ILLEGAL

en-ENGLAND No such country. Never returned in combination with other values.

LT_PRIVATE_USE

x-en-ENGLAND Private tag with private semantics.

LT_IANA|LT_EXTRA

i-klingon-trekkie Klingon + "trekkie"

LT_IANA_DEPRECATED

LT_MULTIPLE|LT_ISO3166|LT_EXTRA

mul-CH-dialects

LT_ISO639|LT_ISO3166|LT_IANA|LT_EXTRA

sgn-US-MA Martha's Vineyard Sign Language

Returns:

A bitwise or of all LT_xxx values that apply.

errorMessage

public String errorMessage()

An error message describing the reason the tag is illegal.

Returns:

null if legal, or an error message if not.