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sun.util.locale

public final Class LocaleMatcher

Class Inheritance

extends Object

java.lang.Object
sun.util.locale.LocaleMatcher

Imports

java.util.ArrayList, .Collection, .HashMap, .List, .Locale, .Locale.FilteringMode, .Locale.LanguageRange, .Map, .Objects

Implementation for BCP47 Locale matching

Constructor Summary

Access	Constructor and Description
private	LocaleMatcher()

Method Summary

Modifier and Type	Method and Description
private static boolean	caseInsensitiveMatch(List<String> list, String tag) Returns true if the given `list` contains an element which matches with the given `tag` ignoring case considerations.
public static List<Locale>	filter(List<Locale.LanguageRange> priorityList, Collection<Locale> locales, Locale.FilteringMode mode)
private static List<String>	filterBasic(List<Locale.LanguageRange> priorityList, Collection<String> tags)
private static List<String>	filterExtended(List<Locale.LanguageRange> priorityList, Collection<String> tags)
public static List<String>	filterTags(List<Locale.LanguageRange> priorityList, Collection<String> tags, Locale.FilteringMode mode)
private static String	getEquivalentForRegionAndVariant(String range)
private static String[]	getEquivalentsForLanguage(String range)
private static int	getExtentionKeyIndex(String s)
public static Locale	lookup(List<Locale.LanguageRange> priorityList, Collection<Locale> locales)
public static String	lookupTag(List<Locale.LanguageRange> priorityList, Collection<String> tags)
public static List<Locale.LanguageRange>	mapEquivalents(List<Locale.LanguageRange> priorityList, Map<String, List<String>> map)
private static int	matchFilterExtendedSubtags(String[] rangeSubtags, String[] tagSubtags)
public static List<Locale.LanguageRange>	parse(String ranges)
private static String	replaceFirstSubStringMatch(String range, String substr, String replacement) A faster alternative approach to String.replaceFirst(), if the given string is a literal String, not a regex.
private static boolean	shouldIgnoreFilterBasicMatch(List<Locale.LanguageRange> zeroRange, String tag) The tag which is falling in the basic exclusion range(s) should not be considered as the matching tag.
private static boolean	shouldIgnoreFilterExtendedMatch(List<Locale.LanguageRange> zeroRange, String tag) The tag which is falling in the extended exclusion range(s) should not be considered as the matching tag.
private static boolean	shouldIgnoreLookupMatch(List<Locale.LanguageRange> zeroRange, String tag) The tag which is falling in the exclusion range(s) should not be considered as the matching tag.
private static int	splitRanges(List<Locale.LanguageRange> priorityList)
private static String	truncateRange(String rangeForRegex)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Constructor Detail

LocaleMatcher	back to summary
private LocaleMatcher()

Method Detail

caseInsensitiveMatch	back to summary
private static boolean caseInsensitiveMatch(List<String> list, String tag) Returns true if the given `list` contains an element which matches with the given `tag` ignoring case considerations.

filter	back to summary
public static List<Locale> filter(List<Locale.LanguageRange> priorityList, Collection<Locale> locales, Locale.FilteringMode mode)

filterBasic	back to summary
private static List<String> filterBasic(List<Locale.LanguageRange> priorityList, Collection<String> tags)

filterExtended	back to summary
private static List<String> filterExtended(List<Locale.LanguageRange> priorityList, Collection<String> tags)

filterTags	back to summary
public static List<String> filterTags(List<Locale.LanguageRange> priorityList, Collection<String> tags, Locale.FilteringMode mode)

getEquivalentForRegionAndVariant	back to summary
private static String getEquivalentForRegionAndVariant(String range)

getEquivalentsForLanguage	back to summary
private static String[] getEquivalentsForLanguage(String range)

getExtentionKeyIndex	back to summary
private static int getExtentionKeyIndex(String s)

lookup	back to summary
public static Locale lookup(List<Locale.LanguageRange> priorityList, Collection<Locale> locales)

lookupTag	back to summary
public static String lookupTag(List<Locale.LanguageRange> priorityList, Collection<String> tags)

mapEquivalents	back to summary
public static List<Locale.LanguageRange> mapEquivalents(List<Locale.LanguageRange> priorityList, Map<String, List<String>> map)

matchFilterExtendedSubtags	back to summary
private static int matchFilterExtendedSubtags(String[] rangeSubtags, String[] tagSubtags)

parse	back to summary
public static List<Locale.LanguageRange> parse(String ranges)

replaceFirstSubStringMatch	back to summary
private static String replaceFirstSubStringMatch(String range, String substr, String replacement) A faster alternative approach to String.replaceFirst(), if the given string is a literal String, not a regex.

shouldIgnoreFilterBasicMatch	back to summary
private static boolean shouldIgnoreFilterBasicMatch(List<Locale.LanguageRange> zeroRange, String tag) The tag which is falling in the basic exclusion range(s) should not be considered as the matching tag. Ignores the tag matching with the non-zero ranges, if the tag also matches with one of the basic exclusion ranges i.e. range(s) having quality weight q=0

shouldIgnoreFilterExtendedMatch	back to summary
private static boolean shouldIgnoreFilterExtendedMatch(List<Locale.LanguageRange> zeroRange, String tag) The tag which is falling in the extended exclusion range(s) should not be considered as the matching tag. Ignores the tag matching with the non zero range(s), if the tag also matches with one of the extended exclusion range(s) i.e. range(s) having quality weight q=0

shouldIgnoreLookupMatch	back to summary
private static boolean shouldIgnoreLookupMatch(List<Locale.LanguageRange> zeroRange, String tag) The tag which is falling in the exclusion range(s) should not be considered as the matching tag. Ignores the tag matching with the non zero range(s), if the tag also matches with one of the exclusion range(s) i.e. range(s) having quality weight q=0.

splitRanges	back to summary
private static int splitRanges(List<Locale.LanguageRange> priorityList)

truncateRange	back to summary
private static String truncateRange(String rangeForRegex)