src/java.base/share/classes/sun/util/locale/provider/NumberFormatProviderImpl.java

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rev 10528 : 8038436: Re-examine the mechanism to determine available localedata and cldrdata
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   1 /*
   2  * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  48 import java.util.Locale;
  49 import java.util.Set;
  50 
  51 /**
  52  * Concrete implementation of the  {@link java.text.spi.NumberFormatProvider
  53  * NumberFormatProvider} class for the JRE LocaleProviderAdapter.
  54  *
  55  * @author Naoto Sato
  56  * @author Masayoshi Okutsu
  57  */
  58 public class NumberFormatProviderImpl extends NumberFormatProvider implements AvailableLanguageTags {
  59 
  60     // Constants used by factory methods to specify a style of format.
  61     private static final int NUMBERSTYLE = 0;
  62     private static final int CURRENCYSTYLE = 1;
  63     private static final int PERCENTSTYLE = 2;
  64     private static final int SCIENTIFICSTYLE = 3;
  65     private static final int INTEGERSTYLE = 4;
  66 
  67     private final LocaleProviderAdapter.Type type;
  68     private final Set<String> langtags;
  69 
  70     public NumberFormatProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) {
  71         this.type = type;
  72         this.langtags = langtags;
  73     }
  74 
  75     /**
  76      * Returns an array of all locales for which this locale service provider
  77      * can provide localized objects or names.
  78      *
  79      * @return An array of all locales for which this locale service provider
  80      * can provide localized objects or names.
  81      */
  82     @Override
  83     public Locale[] getAvailableLocales() {
  84         return LocaleProviderAdapter.forType(type).getAvailableLocales();
  85     }
  86 
  87     @Override
  88     public boolean isSupportedLocale(Locale locale) {
  89         return LocaleProviderAdapter.isSupportedLocale(locale, type, langtags);
  90     }
  91 
  92     /**
  93      * Returns a new <code>NumberFormat</code> instance which formats
  94      * monetary values for the specified locale.
  95      *
  96      * @param locale the desired locale.
  97      * @exception NullPointerException if <code>locale</code> is null
  98      * @exception IllegalArgumentException if <code>locale</code> isn't
  99      *     one of the locales returned from
 100      *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
 101      *     getAvailableLocales()}.
 102      * @return a currency formatter
 103      * @see java.text.NumberFormat#getCurrencyInstance(java.util.Locale)
 104      */
 105     @Override
 106     public NumberFormat getCurrencyInstance(Locale locale) {
 107         return getInstance(locale, CURRENCYSTYLE);
 108     }
 109 


 205         }
 206         if (currency != null) {
 207             int digits = currency.getDefaultFractionDigits();
 208             if (digits != -1) {
 209                 int oldMinDigits = format.getMinimumFractionDigits();
 210                 // Common patterns are "#.##", "#.00", "#".
 211                 // Try to adjust all of them in a reasonable way.
 212                 if (oldMinDigits == format.getMaximumFractionDigits()) {
 213                     format.setMinimumFractionDigits(digits);
 214                     format.setMaximumFractionDigits(digits);
 215                 } else {
 216                     format.setMinimumFractionDigits(Math.min(digits, oldMinDigits));
 217                     format.setMaximumFractionDigits(digits);
 218                 }
 219             }
 220         }
 221     }
 222 
 223     @Override
 224     public Set<String> getAvailableLanguageTags() {
 225         return langtags;
 226     }
 227 }
   1 /*
   2  * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  48 import java.util.Locale;
  49 import java.util.Set;
  50 
  51 /**
  52  * Concrete implementation of the  {@link java.text.spi.NumberFormatProvider
  53  * NumberFormatProvider} class for the JRE LocaleProviderAdapter.
  54  *
  55  * @author Naoto Sato
  56  * @author Masayoshi Okutsu
  57  */
  58 public class NumberFormatProviderImpl extends NumberFormatProvider implements AvailableLanguageTags {
  59 
  60     // Constants used by factory methods to specify a style of format.
  61     private static final int NUMBERSTYLE = 0;
  62     private static final int CURRENCYSTYLE = 1;
  63     private static final int PERCENTSTYLE = 2;
  64     private static final int SCIENTIFICSTYLE = 3;
  65     private static final int INTEGERSTYLE = 4;
  66 
  67     private final LocaleProviderAdapter.Type type;

  68 
  69     public NumberFormatProviderImpl(LocaleProviderAdapter.Type type) {
  70         this.type = type;

  71     }
  72 
  73     /**
  74      * Returns an array of all locales for which this locale service provider
  75      * can provide localized objects or names.
  76      *
  77      * @return An array of all locales for which this locale service provider
  78      * can provide localized objects or names.
  79      */
  80     @Override
  81     public Locale[] getAvailableLocales() {
  82         return LocaleProviderAdapter.forType(type).getAvailableLocales();
  83     }
  84 
  85     @Override
  86     public boolean isSupportedLocale(Locale locale) {
  87         return LocaleProviderAdapter.isSupportedLocale(locale, type, DateFormatProviderImpl.getLangTags(type));
  88     }
  89 
  90     /**
  91      * Returns a new <code>NumberFormat</code> instance which formats
  92      * monetary values for the specified locale.
  93      *
  94      * @param locale the desired locale.
  95      * @exception NullPointerException if <code>locale</code> is null
  96      * @exception IllegalArgumentException if <code>locale</code> isn't
  97      *     one of the locales returned from
  98      *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
  99      *     getAvailableLocales()}.
 100      * @return a currency formatter
 101      * @see java.text.NumberFormat#getCurrencyInstance(java.util.Locale)
 102      */
 103     @Override
 104     public NumberFormat getCurrencyInstance(Locale locale) {
 105         return getInstance(locale, CURRENCYSTYLE);
 106     }
 107 


 203         }
 204         if (currency != null) {
 205             int digits = currency.getDefaultFractionDigits();
 206             if (digits != -1) {
 207                 int oldMinDigits = format.getMinimumFractionDigits();
 208                 // Common patterns are "#.##", "#.00", "#".
 209                 // Try to adjust all of them in a reasonable way.
 210                 if (oldMinDigits == format.getMaximumFractionDigits()) {
 211                     format.setMinimumFractionDigits(digits);
 212                     format.setMaximumFractionDigits(digits);
 213                 } else {
 214                     format.setMinimumFractionDigits(Math.min(digits, oldMinDigits));
 215                     format.setMaximumFractionDigits(digits);
 216                 }
 217             }
 218         }
 219     }
 220 
 221     @Override
 222     public Set<String> getAvailableLanguageTags() {
 223         return DateFormatProviderImpl.getLangTags(type);
 224     }
 225 }