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

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   1 /*
   2  * Copyright (c) 1999, 2015, 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
  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.Objects;
  34 import java.util.Set;


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


 137      * for the given locale.
 138      * @param locale the desired locale
 139      * @return A break iterator for sentence breaks
 140      * @exception NullPointerException if <code>locale</code> is null
 141      * @exception IllegalArgumentException if <code>locale</code> isn't
 142      *     one of the locales returned from
 143      *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
 144      *     getAvailableLocales()}.
 145      * @see java.text.BreakIterator#getSentenceInstance(java.util.Locale)
 146      */
 147     @Override
 148     public BreakIterator getSentenceInstance(Locale locale) {
 149         return getBreakInstance(locale,
 150                                 SENTENCE_INDEX,
 151                                 "SentenceData",
 152                                 "SentenceDictionary");
 153     }
 154 
 155     private BreakIterator getBreakInstance(Locale locale,
 156                                                   int type,
 157                                                   String dataName,
 158                                                   String dictionaryName) {
 159         Objects.requireNonNull(locale);
 160 
 161         LocaleResources lr = LocaleProviderAdapter.forJRE().getLocaleResources(locale);
 162         String[] classNames = (String[]) lr.getBreakIteratorInfo("BreakIteratorClasses");
 163         String dataFile = (String) lr.getBreakIteratorInfo(dataName);

 164 
 165         try {
 166             switch (classNames[type]) {
 167             case "RuleBasedBreakIterator":
 168                 return new RuleBasedBreakIterator(
 169                     lr.getBreakIteratorDataModule(), dataFile);
 170             case "DictionaryBasedBreakIterator":
 171                 String dictionaryFile = (String) lr.getBreakIteratorInfo(dictionaryName);
 172                 return new DictionaryBasedBreakIterator(
 173                     lr.getBreakIteratorDataModule(), dataFile, dictionaryFile);

 174             default:
 175                 throw new IllegalArgumentException("Invalid break iterator class \"" +
 176                                 classNames[type] + "\"");
 177             }
 178         } catch (IOException | MissingResourceException | IllegalArgumentException e) {
 179             throw new InternalError(e.toString(), e);
 180         }
 181     }
 182 
 183     @Override
 184     public Set<String> getAvailableLanguageTags() {
 185         return langtags;
 186     }
 187 
 188     @Override
 189     public boolean isSupportedLocale(Locale locale) {
 190         return LocaleProviderAdapter.forType(type).isSupportedProviderLocale(locale, langtags);
 191     }
 192 }
   1 /*
   2  * Copyright (c) 1999, 2016, 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
  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.Objects;
  34 import java.util.Set;
  35 import sun.text.DictionaryBasedBreakIterator;
  36 import sun.text.RuleBasedBreakIterator;
  37 
  38 /**
  39  * Concrete implementation of the  {@link java.text.spi.BreakIteratorProvider
  40  * BreakIteratorProvider} class for the JRE LocaleProviderAdapter.
  41  *
  42  * @author Naoto Sato
  43  * @author Masayoshi Okutsu
  44  */
  45 public class BreakIteratorProviderImpl extends BreakIteratorProvider
  46                                        implements AvailableLanguageTags {
  47 
  48     private static final int CHARACTER_INDEX = 0;
  49     private static final int WORD_INDEX = 1;
  50     private static final int LINE_INDEX = 2;
  51     private static final int SENTENCE_INDEX = 3;
  52 
  53     private final LocaleProviderAdapter.Type type;
  54     private final Set<String> langtags;
  55 
  56     public BreakIteratorProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) {


 139      * for the given locale.
 140      * @param locale the desired locale
 141      * @return A break iterator for sentence breaks
 142      * @exception NullPointerException if <code>locale</code> is null
 143      * @exception IllegalArgumentException if <code>locale</code> isn't
 144      *     one of the locales returned from
 145      *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
 146      *     getAvailableLocales()}.
 147      * @see java.text.BreakIterator#getSentenceInstance(java.util.Locale)
 148      */
 149     @Override
 150     public BreakIterator getSentenceInstance(Locale locale) {
 151         return getBreakInstance(locale,
 152                                 SENTENCE_INDEX,
 153                                 "SentenceData",
 154                                 "SentenceDictionary");
 155     }
 156 
 157     private BreakIterator getBreakInstance(Locale locale,
 158                                            int type,
 159                                            String ruleName,
 160                                            String dictionaryName) {
 161         Objects.requireNonNull(locale);
 162 
 163         LocaleResources lr = LocaleProviderAdapter.forJRE().getLocaleResources(locale);
 164         String[] classNames = (String[]) lr.getBreakIteratorInfo("BreakIteratorClasses");
 165         String ruleFile = (String) lr.getBreakIteratorInfo(ruleName);
 166         byte[] ruleData = lr.getBreakIteratorResources(ruleName);
 167 
 168         try {
 169             switch (classNames[type]) {
 170             case "RuleBasedBreakIterator":
 171                 return new RuleBasedBreakIterator(ruleFile, ruleData);
 172 
 173             case "DictionaryBasedBreakIterator":
 174                 String dictionaryFile = (String) lr.getBreakIteratorInfo(dictionaryName);
 175                 byte[] dictionaryData = lr.getBreakIteratorResources(dictionaryName);
 176                 return new DictionaryBasedBreakIterator(ruleFile, ruleData,
 177                                                         dictionaryFile, dictionaryData);
 178             default:
 179                 throw new IllegalArgumentException("Invalid break iterator class \"" +
 180                                 classNames[type] + "\"");
 181             }
 182         } catch (MissingResourceException | IllegalArgumentException e) {
 183             throw new InternalError(e.toString(), e);
 184         }
 185     }
 186 
 187     @Override
 188     public Set<String> getAvailableLanguageTags() {
 189         return langtags;
 190     }
 191 
 192     @Override
 193     public boolean isSupportedLocale(Locale locale) {
 194         return LocaleProviderAdapter.forType(type).isSupportedProviderLocale(locale, langtags);
 195     }
 196 }
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