src/share/classes/sun/util/locale/provider/BreakIteratorProviderImpl.java

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rev 6352 : imported patch 7162007


   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
  23  * questions.
  24  */
  25 
  26 package sun.util.locale.provider;
  27 

  28 import java.text.BreakIterator;
  29 import java.text.spi.BreakIteratorProvider;
  30 import java.util.Locale;
  31 import java.util.ResourceBundle;
  32 import java.util.Set;
  33 import sun.util.resources.LocaleData;
  34 
  35 /**
  36  * Concrete implementation of the  {@link java.text.spi.BreakIteratorProvider
  37  * BreakIteratorProvider} class for the JRE LocaleProviderAdapter.
  38  *
  39  * @author Naoto Sato
  40  * @author Masayoshi Okutsu
  41  */
  42 public class BreakIteratorProviderImpl extends BreakIteratorProvider
  43                                        implements AvailableLanguageTags {
  44 
  45     private static final int CHARACTER_INDEX = 0;
  46     private static final int WORD_INDEX = 1;
  47     private static final int LINE_INDEX = 2;
  48     private static final int SENTENCE_INDEX = 3;
  49 
  50     private final LocaleProviderAdapter.Type type;
  51     private final Set<String> langtags;
  52 
  53     public BreakIteratorProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) {


 142      *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
 143      *     getAvailableLocales()}.
 144      * @see java.text.BreakIterator#getSentenceInstance(java.util.Locale)
 145      */
 146     @Override
 147     public BreakIterator getSentenceInstance(Locale locale) {
 148         return getBreakInstance(locale,
 149                                 SENTENCE_INDEX,
 150                                 "SentenceData",
 151                                 "SentenceDictionary");
 152     }
 153 
 154     private BreakIterator getBreakInstance(Locale locale,
 155                                                   int type,
 156                                                   String dataName,
 157                                                   String dictionaryName) {
 158         if (locale == null) {
 159             throw new NullPointerException();
 160         }
 161 
 162         ResourceBundle bundle = LocaleData.getBundle(
 163                 LocaleProviderAdapter.Type.JRE.getTextResourcesPackage() + ".BreakIteratorInfo", locale);
 164         String[] classNames = bundle.getStringArray("BreakIteratorClasses");
 165 
 166         String dataFile = bundle.getString(dataName);
 167 
 168         try {
 169             switch (classNames[type]) {
 170             case "RuleBasedBreakIterator":
 171                 return new RuleBasedBreakIterator(dataFile);
 172             case "DictionaryBasedBreakIterator":
 173                 String dictionaryFile = bundle.getString(dictionaryName);
 174                 return new DictionaryBasedBreakIterator(dataFile, dictionaryFile);
 175             default:
 176                 throw new IllegalArgumentException("Invalid break iterator class \"" +
 177                                 classNames[type] + "\"");
 178             }
 179         } catch (Exception e) {
 180             throw new InternalError(e.toString(), e);
 181         }
 182     }
 183 
 184     @Override
 185     public Set<String> getAvailableLanguageTags() {
 186         return langtags;
 187     }
 188 
 189     @Override
 190     public boolean isSupportedLocale(Locale locale) {
 191         return LocaleProviderAdapter.isSupportedLocale(locale, type, langtags);
 192 }
 193 }


   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
  23  * questions.
  24  */
  25 
  26 package sun.util.locale.provider;
  27 
  28 import java.io.IOException;
  29 import java.text.BreakIterator;
  30 import java.text.spi.BreakIteratorProvider;
  31 import java.util.Locale;
  32 import java.util.MissingResourceException;
  33 import java.util.Set;

  34 
  35 /**
  36  * Concrete implementation of the  {@link java.text.spi.BreakIteratorProvider
  37  * BreakIteratorProvider} class for the JRE LocaleProviderAdapter.
  38  *
  39  * @author Naoto Sato
  40  * @author Masayoshi Okutsu
  41  */
  42 public class BreakIteratorProviderImpl extends BreakIteratorProvider
  43                                        implements AvailableLanguageTags {
  44 
  45     private static final int CHARACTER_INDEX = 0;
  46     private static final int WORD_INDEX = 1;
  47     private static final int LINE_INDEX = 2;
  48     private static final int SENTENCE_INDEX = 3;
  49 
  50     private final LocaleProviderAdapter.Type type;
  51     private final Set<String> langtags;
  52 
  53     public BreakIteratorProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) {


 142      *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
 143      *     getAvailableLocales()}.
 144      * @see java.text.BreakIterator#getSentenceInstance(java.util.Locale)
 145      */
 146     @Override
 147     public BreakIterator getSentenceInstance(Locale locale) {
 148         return getBreakInstance(locale,
 149                                 SENTENCE_INDEX,
 150                                 "SentenceData",
 151                                 "SentenceDictionary");
 152     }
 153 
 154     private BreakIterator getBreakInstance(Locale locale,
 155                                                   int type,
 156                                                   String dataName,
 157                                                   String dictionaryName) {
 158         if (locale == null) {
 159             throw new NullPointerException();
 160         }
 161 
 162         LocaleResources lr = LocaleProviderAdapter.forJRE().getLocaleResources(locale);
 163         String[] classNames = (String[]) lr.getBreakIteratorInfo("BreakIteratorClasses");
 164         String dataFile = (String) lr.getBreakIteratorInfo(dataName);
 165 


 166         try {
 167             switch (classNames[type]) {
 168             case "RuleBasedBreakIterator":
 169                 return new RuleBasedBreakIterator(dataFile);
 170             case "DictionaryBasedBreakIterator":
 171                 String dictionaryFile = (String) lr.getBreakIteratorInfo(dictionaryName);
 172                 return new DictionaryBasedBreakIterator(dataFile, dictionaryFile);
 173             default:
 174                 throw new IllegalArgumentException("Invalid break iterator class \"" +
 175                                 classNames[type] + "\"");
 176             }
 177         } catch (IOException | MissingResourceException | IllegalArgumentException e) {
 178             throw new InternalError(e.toString(), e);
 179         }
 180     }
 181 
 182     @Override
 183     public Set<String> getAvailableLanguageTags() {
 184         return langtags;
 185     }
 186 
 187     @Override
 188     public boolean isSupportedLocale(Locale locale) {
 189         return LocaleProviderAdapter.isSupportedLocale(locale, type, langtags);
 190 }
 191 }