src/share/classes/java/text/NumberFormat.java
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rev 5696 : 6336885: RFE: Locale Data Deployment Enhancements
4609153: Provide locale data for Indic locales
5104387: Support for gl_ES locale (galician language)
6337471: desktop/system locale preferences support
7056139: (cal) SPI support for locale-dependent Calendar parameters
7058206: Provide CalendarData SPI for week params and display field value names
7073852: Support multiple scripts for digits and decimal symbols per locale
7079560: [Fmt-Da] Context dependent month names support in SimpleDateFormat
7171324: getAvailableLocales() of locale sensitive services should return the actual availability of locales
7151414: (cal) Support calendar type identification
7168528: LocaleServiceProvider needs to be aware of Locale extensions
7171372: (cal) locale's default Calendar should be created if unknown calendar is specified
Summary: JEP 127: Improve Locale Data Packaging and Adopt Unicode CLDR Data (part 1 w/o packaging changes. by Naoto Sato and Masayoshi Okutsu)
@@ -52,11 +52,12 @@
import java.util.Map;
import java.util.ResourceBundle;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
import java.util.spi.LocaleServiceProvider;
-import sun.util.LocaleServiceProviderPool;
+import sun.util.locale.provider.LocaleProviderAdapter;
+import sun.util.locale.provider.LocaleServiceProviderPool;
import sun.util.resources.LocaleData;
/**
* <code>NumberFormat</code> is the abstract base class for all number
* formats. This class provides the interface for formatting and parsing
@@ -230,10 +231,11 @@
* <code>pos</code> is null
* @exception ArithmeticException if rounding is needed with rounding
* mode being set to RoundingMode.UNNECESSARY
* @see java.text.FieldPosition
*/
+ @Override
public StringBuffer format(Object number,
StringBuffer toAppendTo,
FieldPosition pos) {
if (number instanceof Long || number instanceof Integer ||
number instanceof Short || number instanceof Byte ||
@@ -270,10 +272,11 @@
* index information as described above.
* @return A <code>Number</code> parsed from the string. In case of
* error, returns null.
* @exception NullPointerException if <code>pos</code> is null.
*/
+ @Override
public final Object parseObject(String source, ParsePosition pos) {
return parse(source, pos);
}
/**
@@ -499,20 +502,22 @@
LocaleServiceProviderPool.getPool(NumberFormatProvider.class);
return pool.getAvailableLocales();
}
/**
- * Overrides hashCode
+ * Overrides hashCode.
*/
+ @Override
public int hashCode() {
return maximumIntegerDigits * 37 + maxFractionDigits;
// just enough fields for a reasonable distribution
}
/**
- * Overrides equals
+ * Overrides equals.
*/
+ @Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (this == obj) {
@@ -529,12 +534,13 @@
&& groupingUsed == other.groupingUsed
&& parseIntegerOnly == other.parseIntegerOnly);
}
/**
- * Overrides Cloneable
+ * Overrides Cloneable.
*/
+ @Override
public Object clone() {
NumberFormat other = (NumberFormat) super.clone();
return other;
}
@@ -739,48 +745,42 @@
// =======================privates===============================
private static NumberFormat getInstance(Locale desiredLocale,
int choice) {
- // 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(NumberFormatProvider.class);
- if (pool.hasProviders()) {
- NumberFormat providersInstance = pool.getLocalizedObject(
- NumberFormatGetter.INSTANCE,
- desiredLocale,
- choice);
- if (providersInstance != null) {
- return providersInstance;
+ LocaleProviderAdapter adapter;
+ adapter = LocaleProviderAdapter.getAdapter(NumberFormatProvider.class,
+ desiredLocale);
+ NumberFormat numberFormat = getInstance(adapter, desiredLocale, choice);
+ if (numberFormat == null) {
+ numberFormat = getInstance(LocaleProviderAdapter.forJRE(),
+ desiredLocale, choice);
}
+ return numberFormat;
}
- /* try the cache first */
- String[] numberPatterns = cachedLocaleData.get(desiredLocale);
- if (numberPatterns == null) { /* cache miss */
- ResourceBundle resource = LocaleData.getNumberFormatData(desiredLocale);
- numberPatterns = resource.getStringArray("NumberPatterns");
- /* update cache */
- cachedLocaleData.put(desiredLocale, numberPatterns);
+ private static NumberFormat getInstance(LocaleProviderAdapter adapter,
+ Locale locale, int choice) {
+ NumberFormatProvider provider = adapter.getNumberFormatProvider();
+ NumberFormat numberFormat = null;
+ switch (choice) {
+ case NUMBERSTYLE:
+ numberFormat = provider.getNumberInstance(locale);
+ break;
+ case PERCENTSTYLE:
+ numberFormat = provider.getPercentInstance(locale);
+ break;
+ case CURRENCYSTYLE:
+ numberFormat = provider.getCurrencyInstance(locale);
+ break;
+ case INTEGERSTYLE:
+ numberFormat = provider.getIntegerInstance(locale);
+ break;
}
-
- DecimalFormatSymbols symbols = DecimalFormatSymbols.getInstance(desiredLocale);
- int entry = (choice == INTEGERSTYLE) ? NUMBERSTYLE : choice;
- DecimalFormat format = new DecimalFormat(numberPatterns[entry], symbols);
-
- if (choice == INTEGERSTYLE) {
- format.setMaximumFractionDigits(0);
- format.setDecimalSeparatorAlwaysShown(false);
- format.setParseIntegerOnly(true);
- } else if (choice == CURRENCYSTYLE) {
- format.adjustForCurrencyDefaultFractionDigits();
+ return numberFormat;
}
- return format;
- }
-
/**
* First, read in the default serializable data.
*
* Then, if <code>serialVersionOnStream</code> is less than 1, indicating that
* the stream was written by JDK 1.1,
@@ -839,15 +839,10 @@
minFractionDigits = (minimumFractionDigits > Byte.MAX_VALUE) ?
Byte.MAX_VALUE : (byte)minimumFractionDigits;
stream.defaultWriteObject();
}
- /**
- * Cache to hold the NumberPatterns of a Locale.
- */
- private static final Hashtable<Locale, String[]> cachedLocaleData = new Hashtable<>(3);
-
// Constants used by factory methods to specify a style of format.
private static final int NUMBERSTYLE = 0;
private static final int CURRENCYSTYLE = 1;
private static final int PERCENTSTYLE = 2;
private static final int SCIENTIFICSTYLE = 3;
@@ -1054,10 +1049,11 @@
* Resolves instances being deserialized to the predefined constants.
*
* @throws InvalidObjectException if the constant could not be resolved.
* @return resolved NumberFormat.Field constant
*/
+ @Override
protected Object readResolve() throws InvalidObjectException {
if (this.getClass() != NumberFormat.Field.class) {
throw new InvalidObjectException("subclass didn't correctly implement readResolve");
}
@@ -1125,38 +1121,6 @@
/**
* Constant identifying the exponent sign field.
*/
public static final Field EXPONENT_SIGN = new Field("exponent sign");
}
-
- /**
- * Obtains a NumberFormat instance from a NumberFormatProvider implementation.
- */
- private static class NumberFormatGetter
- implements LocaleServiceProviderPool.LocalizedObjectGetter<NumberFormatProvider,
- NumberFormat> {
- private static final NumberFormatGetter INSTANCE = new NumberFormatGetter();
-
- public NumberFormat getObject(NumberFormatProvider numberFormatProvider,
- Locale locale,
- String key,
- Object... params) {
- assert params.length == 1;
- int choice = (Integer)params[0];
-
- switch (choice) {
- case NUMBERSTYLE:
- return numberFormatProvider.getNumberInstance(locale);
- case PERCENTSTYLE:
- return numberFormatProvider.getPercentInstance(locale);
- case CURRENCYSTYLE:
- return numberFormatProvider.getCurrencyInstance(locale);
- case INTEGERSTYLE:
- return numberFormatProvider.getIntegerInstance(locale);
- default:
- assert false : choice;
- }
-
- return null;
- }
- }
}