下面列出了java.util.Locale#stripExtensions ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private static boolean isSupportedNativeDigitLocale(Locale locale) {
// special case for th_TH_TH
if (JRELocaleConstants.TH_TH_TH.equals(locale)) {
return isNativeDigit("th-TH");
}
String numtype = null;
Locale base = locale;
if (locale.hasExtensions()) {
numtype = locale.getUnicodeLocaleType("nu");
base = locale.stripExtensions();
}
if (supportedLocaleSet.contains(base)) {
// Only supports Latin or Thai (in thai locales) digits.
if (numtype == null || numtype.equals("latn")) {
return true;
} else if (locale.getLanguage().equals("th")) {
return "thai".equals(numtype) &&
isNativeDigit(locale.toLanguageTag());
}
}
return false;
}
private static boolean isSupportedNativeDigitLocale(Locale locale) {
// special case for th_TH_TH
if (JRELocaleConstants.TH_TH_TH.equals(locale)) {
return isNativeDigit("th-TH");
}
String numtype = null;
Locale base = locale;
if (locale.hasExtensions()) {
numtype = locale.getUnicodeLocaleType("nu");
base = locale.stripExtensions();
}
if (supportedLocaleSet.contains(base)) {
// Only supports Latin or Thai (in thai locales) digits.
if (numtype == null || numtype.equals("latn")) {
return true;
} else if (locale.getLanguage().equals("th")) {
return "thai".equals(numtype) &&
isNativeDigit(locale.toLanguageTag());
}
}
return false;
}
private static boolean isSupportedNativeDigitLocale(Locale locale) {
// special case for th_TH_TH
if (JRELocaleConstants.TH_TH_TH.equals(locale)) {
return isNativeDigit("th-TH");
}
String numtype = null;
Locale base = locale;
if (locale.hasExtensions()) {
numtype = locale.getUnicodeLocaleType("nu");
base = locale.stripExtensions();
}
if (supportedLocaleSet.contains(base)) {
// Only supports Latin or Thai (in thai locales) digits.
if (numtype == null || numtype.equals("latn")) {
return true;
} else if (locale.getLanguage().equals("th")) {
return "thai".equals(numtype) &&
isNativeDigit(locale.toLanguageTag());
}
}
return false;
}
private static boolean isSupportedNativeDigitLocale(Locale locale) {
// special case for th_TH_TH
if (JRELocaleConstants.TH_TH_TH.equals(locale)) {
return isNativeDigit("th-TH");
}
String numtype = null;
Locale base = locale;
if (locale.hasExtensions()) {
numtype = locale.getUnicodeLocaleType("nu");
base = locale.stripExtensions();
}
if (supportedLocaleSet.contains(base)) {
// Only supports Latin or Thai (in thai locales) digits.
if (numtype == null || numtype.equals("latn")) {
return true;
} else if (locale.getLanguage().equals("th")) {
return "thai".equals(numtype) &&
isNativeDigit(locale.toLanguageTag());
}
}
return false;
}
default public boolean isSupportedLocaleDelegate(Locale locale) {
Map<Locale, P> map = getDelegateMap();
Locale override = CalendarDataUtility.findRegionOverride(locale);
// First, call the method with extensions (if any)
P impl = map.get(override);
if (impl != null) {
return impl.isSupportedLocale(override);
} else {
// The default behavior
Locale overrideNoExt = override.stripExtensions();
impl = map.get(overrideNoExt);
if (impl != null) {
return Arrays.stream(impl.getAvailableLocales())
.anyMatch(overrideNoExt::equals);
}
}
return false;
}
@Override
public boolean isSupportedLocale(Locale locale) {
if (Locale.ROOT.equals(locale)) {
return true;
}
String calendarType = null;
if (locale.hasExtensions()) {
calendarType = locale.getUnicodeLocaleType("ca");
locale = locale.stripExtensions();
}
if (calendarType != null) {
switch (calendarType) {
case "buddhist":
case "japanese":
case "gregory":
case "islamic":
case "roc":
break;
default:
// Unknown calendar type
return false;
}
}
if (langtags.contains(locale.toLanguageTag())) {
return true;
}
if (type == LocaleProviderAdapter.Type.JRE) {
String oldname = locale.toString().replace('_', '-');
return langtags.contains(oldname);
}
return false;
}
@Override
public boolean isSupportedLocale(Locale locale) {
if (Locale.ROOT.equals(locale)) {
return true;
}
String calendarType = null;
if (locale.hasExtensions()) {
calendarType = locale.getUnicodeLocaleType("ca");
locale = locale.stripExtensions();
}
if (calendarType != null) {
switch (calendarType) {
case "buddhist":
case "japanese":
case "gregory":
case "islamic":
case "roc":
break;
default:
// Unknown calendar type
return false;
}
}
if (langtags.contains(locale.toLanguageTag())) {
return true;
}
if (type == LocaleProviderAdapter.Type.JRE) {
String oldname = locale.toString().replace('_', '-');
return langtags.contains(oldname);
}
return false;
}
@Override
public boolean isSupportedLocale(Locale locale) {
if (Locale.ROOT.equals(locale)) {
return true;
}
String calendarType = null;
if (locale.hasExtensions()) {
calendarType = locale.getUnicodeLocaleType("ca");
locale = locale.stripExtensions();
}
if (calendarType != null) {
switch (calendarType) {
case "buddhist":
case "japanese":
case "gregory":
case "islamic":
case "roc":
break;
default:
// Unknown calendar type
return false;
}
}
if (langtags.contains(locale.toLanguageTag())) {
return true;
}
if (type == LocaleProviderAdapter.Type.JRE) {
String oldname = locale.toString().replace('_', '-');
return langtags.contains(oldname);
}
return false;
}
@Override
public boolean isSupportedLocale(Locale locale) {
if (Locale.ROOT.equals(locale)) {
return true;
}
String calendarType = null;
if (locale.hasExtensions()) {
calendarType = locale.getUnicodeLocaleType("ca");
locale = locale.stripExtensions();
}
if (calendarType != null) {
switch (calendarType) {
case "buddhist":
case "japanese":
case "gregory":
case "islamic":
case "roc":
break;
default:
// Unknown calendar type
return false;
}
}
if (langtags.contains(locale.toLanguageTag())) {
return true;
}
if (type == LocaleProviderAdapter.Type.JRE) {
String oldname = locale.toString().replace('_', '-');
return langtags.contains(oldname);
}
return false;
}
@Override
public boolean isSupportedLocale(Locale locale) {
if (Locale.ROOT.equals(locale)) {
return true;
}
String calendarType = null;
if (locale.hasExtensions()) {
calendarType = locale.getUnicodeLocaleType("ca");
locale = locale.stripExtensions();
}
if (calendarType != null) {
switch (calendarType) {
case "buddhist":
case "japanese":
case "gregory":
case "islamic":
case "roc":
break;
default:
// Unknown calendar type
return false;
}
}
if (langtags.contains(locale.toLanguageTag())) {
return true;
}
if (type == LocaleProviderAdapter.Type.JRE) {
String oldname = locale.toString().replace('_', '-');
return langtags.contains(oldname);
}
return false;
}
@Override
public boolean isSupportedLocale(Locale locale) {
if (Locale.ROOT.equals(locale)) {
return true;
}
String calendarType = null;
if (locale.hasExtensions()) {
calendarType = locale.getUnicodeLocaleType("ca");
locale = locale.stripExtensions();
}
if (calendarType != null) {
switch (calendarType) {
case "buddhist":
case "japanese":
case "gregory":
case "islamic":
case "roc":
break;
default:
// Unknown calendar type
return false;
}
}
if (langtags.contains(locale.toLanguageTag())) {
return true;
}
if (type == LocaleProviderAdapter.Type.JRE) {
String oldname = locale.toString().replace('_', '-');
return langtags.contains(oldname);
}
return false;
}
/**
* @return A string representation of the Locale without {@code Extension}
* or a BCP47 language tag if locale object contains {@code Script}
*/
public static String localeToString(Locale locale) {
if (locale == null) {
return null;
}
Locale strippedLocale = locale.stripExtensions();
return StringUtils.isEmpty(strippedLocale.getScript()) ?
strippedLocale.toString() : strippedLocale.toLanguageTag();
}
@Override
public boolean isSupportedLocale(Locale locale) {
if (Locale.ROOT.equals(locale)) {
return true;
}
String calendarType = null;
if (locale.hasExtensions()) {
calendarType = locale.getUnicodeLocaleType("ca");
locale = locale.stripExtensions();
}
if (calendarType != null) {
switch (calendarType) {
case "buddhist":
case "japanese":
case "gregory":
case "islamic":
case "roc":
break;
default:
// Unknown calendar type
return false;
}
}
if (langtags.contains(locale.toLanguageTag())) {
return true;
}
if (type == LocaleProviderAdapter.Type.JRE) {
String oldname = locale.toString().replace('_', '-');
return langtags.contains(oldname);
}
return false;
}
@Override
public boolean isSupportedLocale(Locale locale) {
if (Locale.ROOT.equals(locale)) {
return true;
}
String calendarType = null;
if (locale.hasExtensions()) {
calendarType = locale.getUnicodeLocaleType("ca");
locale = locale.stripExtensions();
}
if (calendarType != null) {
switch (calendarType) {
case "buddhist":
case "japanese":
case "gregory":
case "islamic":
case "roc":
break;
default:
// Unknown calendar type
return false;
}
}
if (langtags.contains(locale.toLanguageTag())) {
return true;
}
String oldname = locale.toString().replace('_', '-');
return langtags.contains(oldname);
}
/**
* Returns {@code true} if the given {@code locale} is supported by
* this locale service provider. The given {@code locale} may contain
* <a href="../Locale.html#def_extensions">extensions</a> that should be
* taken into account for the support determination.
*
* <p>The default implementation returns {@code true} if the given {@code locale}
* is equal to any of the available {@code Locale}s returned by
* {@link #getAvailableLocales()} with ignoring any extensions in both the
* given {@code locale} and the available locales. Concrete locale service
* provider implementations should override this method if those
* implementations are {@code Locale} extensions-aware. For example,
* {@code DecimalFormatSymbolsProvider} implementations will need to check
* extensions in the given {@code locale} to see if any numbering system is
* specified and can be supported. However, {@code CollatorProvider}
* implementations may not be affected by any particular numbering systems,
* and in that case, extensions for numbering systems should be ignored.
*
* @param locale a {@code Locale} to be tested
* @return {@code true} if the given {@code locale} is supported by this
* provider; {@code false} otherwise.
* @throws NullPointerException
* if the given {@code locale} is {@code null}
* @see Locale#hasExtensions()
* @see Locale#stripExtensions()
* @since 1.8
*/
public boolean isSupportedLocale(Locale locale) {
locale = locale.stripExtensions(); // throws NPE if locale == null
for (Locale available : getAvailableLocales()) {
if (locale.equals(available.stripExtensions())) {
return true;
}
}
return false;
}
/**
* Returns {@code true} if the given {@code locale} is supported by
* this locale service provider. The given {@code locale} may contain
* <a href="../Locale.html#def_extensions">extensions</a> that should be
* taken into account for the support determination.
*
* <p>The default implementation returns {@code true} if the given {@code locale}
* is equal to any of the available {@code Locale}s returned by
* {@link #getAvailableLocales()} with ignoring any extensions in both the
* given {@code locale} and the available locales. Concrete locale service
* provider implementations should override this method if those
* implementations are {@code Locale} extensions-aware. For example,
* {@code DecimalFormatSymbolsProvider} implementations will need to check
* extensions in the given {@code locale} to see if any numbering system is
* specified and can be supported. However, {@code CollatorProvider}
* implementations may not be affected by any particular numbering systems,
* and in that case, extensions for numbering systems should be ignored.
*
* @param locale a {@code Locale} to be tested
* @return {@code true} if the given {@code locale} is supported by this
* provider; {@code false} otherwise.
* @throws NullPointerException
* if the given {@code locale} is {@code null}
* @see Locale#hasExtensions()
* @see Locale#stripExtensions()
* @since 1.8
*/
public boolean isSupportedLocale(Locale locale) {
locale = locale.stripExtensions(); // throws NPE if locale == null
for (Locale available : getAvailableLocales()) {
if (locale.equals(available.stripExtensions())) {
return true;
}
}
return false;
}
/**
* Returns {@code true} if the given {@code locale} is supported by
* this locale service provider. The given {@code locale} may contain
* <a href="../Locale.html#def_extensions">extensions</a> that should be
* taken into account for the support determination.
*
* <p>The default implementation returns {@code true} if the given {@code locale}
* is equal to any of the available {@code Locale}s returned by
* {@link #getAvailableLocales()} with ignoring any extensions in both the
* given {@code locale} and the available locales. Concrete locale service
* provider implementations should override this method if those
* implementations are {@code Locale} extensions-aware. For example,
* {@code DecimalFormatSymbolsProvider} implementations will need to check
* extensions in the given {@code locale} to see if any numbering system is
* specified and can be supported. However, {@code CollatorProvider}
* implementations may not be affected by any particular numbering systems,
* and in that case, extensions for numbering systems should be ignored.
*
* @param locale a {@code Locale} to be tested
* @return {@code true} if the given {@code locale} is supported by this
* provider; {@code false} otherwise.
* @throws NullPointerException
* if the given {@code locale} is {@code null}
* @see Locale#hasExtensions()
* @see Locale#stripExtensions()
* @since 1.8
*/
public boolean isSupportedLocale(Locale locale) {
locale = locale.stripExtensions(); // throws NPE if locale == null
for (Locale available : getAvailableLocales()) {
if (locale.equals(available.stripExtensions())) {
return true;
}
}
return false;
}
/**
* Returns {@code true} if the given {@code locale} is supported by
* this locale service provider. The given {@code locale} may contain
* <a href="../Locale.html#def_extensions">extensions</a> that should be
* taken into account for the support determination.
*
* <p>The default implementation returns {@code true} if the given {@code locale}
* is equal to any of the available {@code Locale}s returned by
* {@link #getAvailableLocales()} with ignoring any extensions in both the
* given {@code locale} and the available locales. Concrete locale service
* provider implementations should override this method if those
* implementations are {@code Locale} extensions-aware. For example,
* {@code DecimalFormatSymbolsProvider} implementations will need to check
* extensions in the given {@code locale} to see if any numbering system is
* specified and can be supported. However, {@code CollatorProvider}
* implementations may not be affected by any particular numbering systems,
* and in that case, extensions for numbering systems should be ignored.
*
* @param locale a {@code Locale} to be tested
* @return {@code true} if the given {@code locale} is supported by this
* provider; {@code false} otherwise.
* @throws NullPointerException
* if the given {@code locale} is {@code null}
* @see Locale#hasExtensions()
* @see Locale#stripExtensions()
* @since 1.8
*/
public boolean isSupportedLocale(Locale locale) {
locale = locale.stripExtensions(); // throws NPE if locale == null
for (Locale available : getAvailableLocales()) {
if (locale.equals(available.stripExtensions())) {
return true;
}
}
return false;
}
/**
* Returns {@code true} if the given {@code locale} is supported by
* this locale service provider. The given {@code locale} may contain
* <a href="../Locale.html#def_extensions">extensions</a> that should be
* taken into account for the support determination.
*
* <p>The default implementation returns {@code true} if the given {@code locale}
* is equal to any of the available {@code Locale}s returned by
* {@link #getAvailableLocales()} with ignoring any extensions in both the
* given {@code locale} and the available locales. Concrete locale service
* provider implementations should override this method if those
* implementations are {@code Locale} extensions-aware. For example,
* {@code DecimalFormatSymbolsProvider} implementations will need to check
* extensions in the given {@code locale} to see if any numbering system is
* specified and can be supported. However, {@code CollatorProvider}
* implementations may not be affected by any particular numbering systems,
* and in that case, extensions for numbering systems should be ignored.
*
* @param locale a {@code Locale} to be tested
* @return {@code true} if the given {@code locale} is supported by this
* provider; {@code false} otherwise.
* @throws NullPointerException
* if the given {@code locale} is {@code null}
* @see Locale#hasExtensions()
* @see Locale#stripExtensions()
* @since 1.8
*/
public boolean isSupportedLocale(Locale locale) {
locale = locale.stripExtensions(); // throws NPE if locale == null
for (Locale available : getAvailableLocales()) {
if (locale.equals(available.stripExtensions())) {
return true;
}
}
return false;
}
/**
* Returns {@code true} if the given {@code locale} is supported by
* this locale service provider. The given {@code locale} may contain
* <a href="../Locale.html#def_extensions">extensions</a> that should be
* taken into account for the support determination.
*
* <p>The default implementation returns {@code true} if the given {@code locale}
* is equal to any of the available {@code Locale}s returned by
* {@link #getAvailableLocales()} with ignoring any extensions in both the
* given {@code locale} and the available locales. Concrete locale service
* provider implementations should override this method if those
* implementations are {@code Locale} extensions-aware. For example,
* {@code DecimalFormatSymbolsProvider} implementations will need to check
* extensions in the given {@code locale} to see if any numbering system is
* specified and can be supported. However, {@code CollatorProvider}
* implementations may not be affected by any particular numbering systems,
* and in that case, extensions for numbering systems should be ignored.
*
* @param locale a {@code Locale} to be tested
* @return {@code true} if the given {@code locale} is supported by this
* provider; {@code false} otherwise.
* @throws NullPointerException
* if the given {@code locale} is {@code null}
* @see Locale#hasExtensions()
* @see Locale#stripExtensions()
* @since 1.8
*/
public boolean isSupportedLocale(Locale locale) {
locale = locale.stripExtensions(); // throws NPE if locale == null
for (Locale available : getAvailableLocales()) {
if (locale.equals(available.stripExtensions())) {
return true;
}
}
return false;
}