下面列出了怎么用java.text.spi.DateFormatSymbolsProvider的API类实例代码及写法,或者点击链接到github查看源代码。
@Override
public DateFormatSymbolsProvider getDateFormatSymbolsProvider() {
if (dateFormatSymbolsProvider == null) {
DateFormatSymbolsProvider provider = AccessController.doPrivileged(
(PrivilegedAction<DateFormatSymbolsProvider>) () ->
new DateFormatSymbolsProviderImpl(
getAdapterType(),
getLanguageTagSet("FormatData")));
synchronized (this) {
if (dateFormatSymbolsProvider == null) {
dateFormatSymbolsProvider = provider;
}
}
}
return dateFormatSymbolsProvider;
}
private static DateFormatSymbols getProviderInstance(Locale locale) {
DateFormatSymbols providersInstance = null;
// Check whether a provider can provide an implementation that's closer
// to the requested locale than what the Java runtime itself can provide.
LocaleServiceProviderPool pool =
LocaleServiceProviderPool.getPool(DateFormatSymbolsProvider.class);
if (pool.hasProviders()) {
providersInstance = pool.getLocalizedObject(
DateFormatSymbolsGetter.INSTANCE, locale);
}
return providersInstance;
}
private static DateFormatSymbols getProviderInstance(Locale locale) {
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
DateFormatSymbolsProvider provider = adapter.getDateFormatSymbolsProvider();
DateFormatSymbols dfsyms = provider.getInstance(locale);
if (dfsyms == null) {
provider = LocaleProviderAdapter.forJRE().getDateFormatSymbolsProvider();
dfsyms = provider.getInstance(locale);
}
return dfsyms;
}
@Override
public DateFormatSymbolsProvider getDateFormatSymbolsProvider() {
if (dateFormatSymbolsProvider == null) {
DateFormatSymbolsProvider provider = new DateFormatSymbolsProviderImpl(getAdapterType(),
getLanguageTagSet("FormatData"));
synchronized (this) {
if (dateFormatSymbolsProvider == null) {
dateFormatSymbolsProvider = provider;
}
}
}
return dateFormatSymbolsProvider;
}
@Override
public DateFormatSymbolsProvider getDateFormatSymbolsProvider() {
if (dateFormatSymbolsProvider == null) {
DateFormatSymbolsProvider provider = new DateFormatSymbolsProviderImpl(getAdapterType(),
getLanguageTagSet("FormatData"));
synchronized (this) {
if (dateFormatSymbolsProvider == null) {
dateFormatSymbolsProvider = provider;
}
}
}
return dateFormatSymbolsProvider;
}
private static DateFormatSymbols getProviderInstance(Locale locale) {
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
DateFormatSymbolsProvider provider = adapter.getDateFormatSymbolsProvider();
DateFormatSymbols dfsyms = provider.getInstance(locale);
if (dfsyms == null) {
provider = LocaleProviderAdapter.forJRE().getDateFormatSymbolsProvider();
dfsyms = provider.getInstance(locale);
}
return dfsyms;
}
@Override
public DateFormatSymbolsProvider getDateFormatSymbolsProvider() {
if (dateFormatSymbolsProvider == null) {
DateFormatSymbolsProvider provider = new DateFormatSymbolsProviderImpl(getAdapterType(),
getLanguageTagSet("FormatData"));
synchronized (this) {
if (dateFormatSymbolsProvider == null) {
dateFormatSymbolsProvider = provider;
}
}
}
return dateFormatSymbolsProvider;
}
public DateFormatSymbols getObject(DateFormatSymbolsProvider dateFormatSymbolsProvider,
Locale locale,
String key,
Object... params) {
assert params.length == 0;
return dateFormatSymbolsProvider.getInstance(locale);
}
private static DateFormatSymbols getProviderInstance(Locale locale) {
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
DateFormatSymbolsProvider provider = adapter.getDateFormatSymbolsProvider();
DateFormatSymbols dfsyms = provider.getInstance(locale);
if (dfsyms == null) {
provider = LocaleProviderAdapter.forJRE().getDateFormatSymbolsProvider();
dfsyms = provider.getInstance(locale);
}
return dfsyms;
}
private static DateFormatSymbols getProviderInstance(Locale locale) {
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
DateFormatSymbolsProvider provider = adapter.getDateFormatSymbolsProvider();
DateFormatSymbols dfsyms = provider.getInstance(locale);
if (dfsyms == null) {
provider = LocaleProviderAdapter.forJRE().getDateFormatSymbolsProvider();
dfsyms = provider.getInstance(locale);
}
return dfsyms;
}
private static DateFormatSymbols getProviderInstance(Locale locale) {
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
DateFormatSymbolsProvider provider = adapter.getDateFormatSymbolsProvider();
DateFormatSymbols dfsyms = provider.getInstance(locale);
if (dfsyms == null) {
provider = LocaleProviderAdapter.forJRE().getDateFormatSymbolsProvider();
dfsyms = provider.getInstance(locale);
}
return dfsyms;
}
@Override
public DateFormatSymbolsProvider getDateFormatSymbolsProvider() {
if (dateFormatSymbolsProvider == null) {
DateFormatSymbolsProvider provider = new DateFormatSymbolsProviderImpl(getAdapterType(),
getLanguageTagSet("FormatData"));
synchronized (this) {
if (dateFormatSymbolsProvider == null) {
dateFormatSymbolsProvider = provider;
}
}
}
return dateFormatSymbolsProvider;
}
private static DateFormatSymbols getProviderInstance(Locale locale) {
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
DateFormatSymbolsProvider provider = adapter.getDateFormatSymbolsProvider();
DateFormatSymbols dfsyms = provider.getInstance(locale);
if (dfsyms == null) {
provider = LocaleProviderAdapter.forJRE().getDateFormatSymbolsProvider();
dfsyms = provider.getInstance(locale);
}
return dfsyms;
}
@Override
public DateFormatSymbolsProvider getDateFormatSymbolsProvider() {
if (dateFormatSymbolsProvider == null) {
DateFormatSymbolsProvider provider = new DateFormatSymbolsProviderImpl(getAdapterType(),
getLanguageTagSet("FormatData"));
synchronized (this) {
if (dateFormatSymbolsProvider == null) {
dateFormatSymbolsProvider = provider;
}
}
}
return dateFormatSymbolsProvider;
}
private static DateFormatSymbols getProviderInstance(Locale locale) {
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
DateFormatSymbolsProvider provider = adapter.getDateFormatSymbolsProvider();
DateFormatSymbols dfsyms = provider.getInstance(locale);
if (dfsyms == null) {
provider = LocaleProviderAdapter.forJRE().getDateFormatSymbolsProvider();
dfsyms = provider.getInstance(locale);
}
return dfsyms;
}
private static DateFormatSymbols getProviderInstance(Locale locale) {
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
DateFormatSymbolsProvider provider = adapter.getDateFormatSymbolsProvider();
DateFormatSymbols dfsyms = provider.getInstance(locale);
if (dfsyms == null) {
provider = LocaleProviderAdapter.forJRE().getDateFormatSymbolsProvider();
dfsyms = provider.getInstance(locale);
}
return dfsyms;
}
@Override
public DateFormatSymbolsProvider getDateFormatSymbolsProvider() {
if (dateFormatSymbolsProvider == null) {
DateFormatSymbolsProvider provider = new DateFormatSymbolsProviderImpl(getAdapterType(),
getLanguageTagSet("FormatData"));
synchronized (this) {
if (dateFormatSymbolsProvider == null) {
dateFormatSymbolsProvider = provider;
}
}
}
return dateFormatSymbolsProvider;
}
private static DateFormatSymbols getProviderInstance(Locale locale) {
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
DateFormatSymbolsProvider provider = adapter.getDateFormatSymbolsProvider();
DateFormatSymbols dfsyms = provider.getInstance(locale);
if (dfsyms == null) {
provider = LocaleProviderAdapter.forJRE().getDateFormatSymbolsProvider();
dfsyms = provider.getInstance(locale);
}
return dfsyms;
}
private static DateFormatSymbols getProviderInstance(Locale locale) {
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
DateFormatSymbolsProvider provider = adapter.getDateFormatSymbolsProvider();
DateFormatSymbols dfsyms = provider.getInstance(locale);
if (dfsyms == null) {
provider = LocaleProviderAdapter.forJRE().getDateFormatSymbolsProvider();
dfsyms = provider.getInstance(locale);
}
return dfsyms;
}
@Override
public DateFormatSymbolsProvider getDateFormatSymbolsProvider() {
if (dateFormatSymbolsProvider == null) {
DateFormatSymbolsProvider provider = new DateFormatSymbolsProviderImpl(getAdapterType(),
getLanguageTagSet("FormatData"));
synchronized (this) {
if (dateFormatSymbolsProvider == null) {
dateFormatSymbolsProvider = provider;
}
}
}
return dateFormatSymbolsProvider;
}
@Override
public DateFormatSymbolsProvider getDateFormatSymbolsProvider() {
return getLocaleServiceProvider(DateFormatSymbolsProvider.class);
}
@Override
public DateFormatSymbolsProvider getImpl(Locale locale) {
return SPILocaleProviderAdapter.getImpl(map, locale);
}
/**
* Initializes this DateFormatSymbols with the locale data. This method uses
* a cached DateFormatSymbols instance for the given locale if available. If
* there's no cached one, this method creates an uninitialized instance and
* populates its fields from the resource bundle for the locale, and caches
* the instance. Note: zoneStrings isn't initialized in this method.
*/
private void initializeData(Locale locale) {
SoftReference<DateFormatSymbols> ref = cachedInstances.get(locale);
DateFormatSymbols dfs;
if (ref == null || (dfs = ref.get()) == null) {
if (ref != null) {
// Remove the empty SoftReference
cachedInstances.remove(locale, ref);
}
dfs = new DateFormatSymbols(false);
// Initialize the fields from the ResourceBundle for locale.
LocaleProviderAdapter adapter
= LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
// Avoid any potential recursions
if (!(adapter instanceof ResourceBundleBasedAdapter)) {
adapter = LocaleProviderAdapter.getResourceBundleBased();
}
ResourceBundle resource
= ((ResourceBundleBasedAdapter)adapter).getLocaleData().getDateFormatData(locale);
dfs.locale = locale;
// JRE and CLDR use different keys
// JRE: Eras, short.Eras and narrow.Eras
// CLDR: long.Eras, Eras and narrow.Eras
if (resource.containsKey("Eras")) {
dfs.eras = resource.getStringArray("Eras");
} else if (resource.containsKey("long.Eras")) {
dfs.eras = resource.getStringArray("long.Eras");
} else if (resource.containsKey("short.Eras")) {
dfs.eras = resource.getStringArray("short.Eras");
}
dfs.months = resource.getStringArray("MonthNames");
dfs.shortMonths = resource.getStringArray("MonthAbbreviations");
dfs.ampms = resource.getStringArray("AmPmMarkers");
dfs.localPatternChars = resource.getString("DateTimePatternChars");
// Day of week names are stored in a 1-based array.
dfs.weekdays = toOneBasedArray(resource.getStringArray("DayNames"));
dfs.shortWeekdays = toOneBasedArray(resource.getStringArray("DayAbbreviations"));
// Put dfs in the cache
ref = new SoftReference<>(dfs);
SoftReference<DateFormatSymbols> x = cachedInstances.putIfAbsent(locale, ref);
if (x != null) {
DateFormatSymbols y = x.get();
if (y == null) {
// Replace the empty SoftReference with ref.
cachedInstances.replace(locale, x, ref);
} else {
ref = x;
dfs = y;
}
}
// If the bundle's locale isn't the target locale, put another cache
// entry for the bundle's locale.
Locale bundleLocale = resource.getLocale();
if (!bundleLocale.equals(locale)) {
SoftReference<DateFormatSymbols> z
= cachedInstances.putIfAbsent(bundleLocale, ref);
if (z != null && z.get() == null) {
cachedInstances.replace(bundleLocale, z, ref);
}
}
}
// Copy the field values from dfs to this instance.
copyMembers(dfs, this);
}
@Override
public DateFormatSymbolsProvider getDateFormatSymbolsProvider() {
return getLocaleServiceProvider(DateFormatSymbolsProvider.class);
}
@Override
public DateFormatSymbolsProvider getImpl(Locale locale) {
return SPILocaleProviderAdapter.getImpl(map, locale);
}
@Override
public void addImpl(DateFormatSymbolsProvider impl) {
for (Locale l : impl.getAvailableLocales()) {
map.putIfAbsent(l, impl);
}
}
/**
* Initializes this DateFormatSymbols with the locale data. This method uses
* a cached DateFormatSymbols instance for the given locale if available. If
* there's no cached one, this method creates an uninitialized instance and
* populates its fields from the resource bundle for the locale, and caches
* the instance. Note: zoneStrings isn't initialized in this method.
*/
private void initializeData(Locale locale) {
SoftReference<DateFormatSymbols> ref = cachedInstances.get(locale);
DateFormatSymbols dfs;
if (ref == null || (dfs = ref.get()) == null) {
if (ref != null) {
// Remove the empty SoftReference
cachedInstances.remove(locale, ref);
}
dfs = new DateFormatSymbols(false);
// Initialize the fields from the ResourceBundle for locale.
LocaleProviderAdapter adapter
= LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
// Avoid any potential recursions
if (!(adapter instanceof ResourceBundleBasedAdapter)) {
adapter = LocaleProviderAdapter.getResourceBundleBased();
}
ResourceBundle resource
= ((ResourceBundleBasedAdapter)adapter).getLocaleData().getDateFormatData(locale);
dfs.locale = locale;
// JRE and CLDR use different keys
// JRE: Eras, short.Eras and narrow.Eras
// CLDR: long.Eras, Eras and narrow.Eras
if (resource.containsKey("Eras")) {
dfs.eras = resource.getStringArray("Eras");
} else if (resource.containsKey("long.Eras")) {
dfs.eras = resource.getStringArray("long.Eras");
} else if (resource.containsKey("short.Eras")) {
dfs.eras = resource.getStringArray("short.Eras");
}
dfs.months = resource.getStringArray("MonthNames");
dfs.shortMonths = resource.getStringArray("MonthAbbreviations");
dfs.ampms = resource.getStringArray("AmPmMarkers");
dfs.localPatternChars = resource.getString("DateTimePatternChars");
// Day of week names are stored in a 1-based array.
dfs.weekdays = toOneBasedArray(resource.getStringArray("DayNames"));
dfs.shortWeekdays = toOneBasedArray(resource.getStringArray("DayAbbreviations"));
// Put dfs in the cache
ref = new SoftReference<>(dfs);
SoftReference<DateFormatSymbols> x = cachedInstances.putIfAbsent(locale, ref);
if (x != null) {
DateFormatSymbols y = x.get();
if (y == null) {
// Replace the empty SoftReference with ref.
cachedInstances.replace(locale, x, ref);
} else {
ref = x;
dfs = y;
}
}
// If the bundle's locale isn't the target locale, put another cache
// entry for the bundle's locale.
Locale bundleLocale = resource.getLocale();
if (!bundleLocale.equals(locale)) {
SoftReference<DateFormatSymbols> z
= cachedInstances.putIfAbsent(bundleLocale, ref);
if (z != null && z.get() == null) {
cachedInstances.replace(bundleLocale, z, ref);
}
}
}
// Copy the field values from dfs to this instance.
copyMembers(dfs, this);
}
@Override
public DateFormatSymbolsProvider getDateFormatSymbolsProvider() {
return getLocaleServiceProvider(DateFormatSymbolsProvider.class);
}
private void initializeData(Locale desiredLocale) {
locale = desiredLocale;
// Copy values of a cached instance if any.
SoftReference<DateFormatSymbols> ref = cachedInstances.get(locale);
DateFormatSymbols dfs;
if (ref != null && (dfs = ref.get()) != null) {
copyMembers(dfs, this);
return;
}
// Initialize the fields from the ResourceBundle for locale.
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
// Avoid any potential recursions
if (!(adapter instanceof ResourceBundleBasedAdapter)) {
adapter = LocaleProviderAdapter.getResourceBundleBased();
}
ResourceBundle resource = ((ResourceBundleBasedAdapter)adapter).getLocaleData().getDateFormatData(locale);
// JRE and CLDR use different keys
// JRE: Eras, short.Eras and narrow.Eras
// CLDR: long.Eras, Eras and narrow.Eras
if (resource.containsKey("Eras")) {
eras = resource.getStringArray("Eras");
} else if (resource.containsKey("long.Eras")) {
eras = resource.getStringArray("long.Eras");
} else if (resource.containsKey("short.Eras")) {
eras = resource.getStringArray("short.Eras");
}
months = resource.getStringArray("MonthNames");
shortMonths = resource.getStringArray("MonthAbbreviations");
ampms = resource.getStringArray("AmPmMarkers");
localPatternChars = resource.getString("DateTimePatternChars");
// Day of week names are stored in a 1-based array.
weekdays = toOneBasedArray(resource.getStringArray("DayNames"));
shortWeekdays = toOneBasedArray(resource.getStringArray("DayAbbreviations"));
// Put a clone in the cache
ref = new SoftReference<>((DateFormatSymbols)this.clone());
SoftReference<DateFormatSymbols> x = cachedInstances.putIfAbsent(locale, ref);
if (x != null) {
DateFormatSymbols y = x.get();
if (y == null) {
// Replace the empty SoftReference with ref.
cachedInstances.put(locale, ref);
}
}
}
private void initializeData(Locale desiredLocale) {
locale = desiredLocale;
// Copy values of a cached instance if any.
SoftReference<DateFormatSymbols> ref = cachedInstances.get(locale);
DateFormatSymbols dfs;
if (ref != null && (dfs = ref.get()) != null) {
copyMembers(dfs, this);
return;
}
// Initialize the fields from the ResourceBundle for locale.
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
// Avoid any potential recursions
if (!(adapter instanceof ResourceBundleBasedAdapter)) {
adapter = LocaleProviderAdapter.getResourceBundleBased();
}
ResourceBundle resource = ((ResourceBundleBasedAdapter)adapter).getLocaleData().getDateFormatData(locale);
// JRE and CLDR use different keys
// JRE: Eras, short.Eras and narrow.Eras
// CLDR: long.Eras, Eras and narrow.Eras
if (resource.containsKey("Eras")) {
eras = resource.getStringArray("Eras");
} else if (resource.containsKey("long.Eras")) {
eras = resource.getStringArray("long.Eras");
} else if (resource.containsKey("short.Eras")) {
eras = resource.getStringArray("short.Eras");
}
months = resource.getStringArray("MonthNames");
shortMonths = resource.getStringArray("MonthAbbreviations");
ampms = resource.getStringArray("AmPmMarkers");
localPatternChars = resource.getString("DateTimePatternChars");
// Day of week names are stored in a 1-based array.
weekdays = toOneBasedArray(resource.getStringArray("DayNames"));
shortWeekdays = toOneBasedArray(resource.getStringArray("DayAbbreviations"));
// Put a clone in the cache
ref = new SoftReference<>((DateFormatSymbols)this.clone());
SoftReference<DateFormatSymbols> x = cachedInstances.putIfAbsent(locale, ref);
if (x != null) {
DateFormatSymbols y = x.get();
if (y == null) {
// Replace the empty SoftReference with ref.
cachedInstances.put(locale, ref);
}
}
}