1 /* 2 * Copyright (c) 2012, 2013, 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 /* 27 * (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved 28 * (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved 29 * 30 * The original version of this source code and documentation 31 * is copyrighted and owned by Taligent, Inc., a wholly-owned 32 * subsidiary of IBM. These materials are provided under terms 33 * of a License Agreement between Taligent and Sun. This technology 34 * is protected by multiple US and International patents. 35 * 36 * This notice and attribution to Taligent may not be removed. 37 * Taligent is a registered trademark of Taligent, Inc. 38 * 39 */ 40 41 package sun.util.locale.provider; 42 43 import java.lang.ref.ReferenceQueue; 44 import java.lang.ref.SoftReference; 45 import java.text.MessageFormat; 46 import java.util.Calendar; 47 import java.util.LinkedHashSet; 48 import java.util.Locale; 49 import java.util.Map; 50 import java.util.Objects; 51 import java.util.ResourceBundle; 52 import java.util.Set; 53 import java.util.concurrent.ConcurrentHashMap; 54 import java.util.concurrent.ConcurrentMap; 55 import sun.util.calendar.ZoneInfo; 56 import sun.util.resources.LocaleData; 57 import sun.util.resources.OpenListResourceBundle; 58 import sun.util.resources.ParallelListResourceBundle; 59 import sun.util.resources.TimeZoneNamesBundle; 60 61 /** 62 * Central accessor to locale-dependent resources for JRE/CLDR provider adapters. 63 * 64 * @author Masayoshi Okutsu 65 * @author Naoto Sato 66 */ 67 public class LocaleResources { 68 69 private final Locale locale; 70 private final LocaleData localeData; 71 private final LocaleProviderAdapter.Type type; 72 73 // Resource cache 74 private ConcurrentMap<String, ResourceReference> cache = new ConcurrentHashMap<>(); 75 private ReferenceQueue<Object> referenceQueue = new ReferenceQueue<>(); 76 77 // cache key prefixes 78 private static final String BREAK_ITERATOR_INFO = "BII."; 79 private static final String CALENDAR_DATA = "CALD."; 80 private static final String COLLATION_DATA_CACHEKEY = "COLD"; 81 private static final String DECIMAL_FORMAT_SYMBOLS_DATA_CACHEKEY = "DFSD"; 82 private static final String CURRENCY_NAMES = "CN."; 83 private static final String LOCALE_NAMES = "LN."; 84 private static final String TIME_ZONE_NAMES = "TZN."; 85 private static final String ZONE_IDS_CACHEKEY = "ZID"; 86 private static final String CALENDAR_NAMES = "CALN."; 87 private static final String NUMBER_PATTERNS_CACHEKEY = "NP"; 88 private static final String DATE_TIME_PATTERN = "DTP."; 89 90 // null singleton cache value 91 private static final Object NULLOBJECT = new Object(); 92 93 LocaleResources(ResourceBundleBasedAdapter adapter, Locale locale) { 94 this.locale = locale; 95 this.localeData = adapter.getLocaleData(); 96 type = ((LocaleProviderAdapter)adapter).getAdapterType(); 97 } 98 99 private void removeEmptyReferences() { 100 Object ref; 101 while ((ref = referenceQueue.poll()) != null) { 102 cache.remove(((ResourceReference)ref).getCacheKey()); 103 } 104 } 105 106 Object getBreakIteratorInfo(String key) { 107 Object biInfo; 108 String cacheKey = BREAK_ITERATOR_INFO + key; 109 110 removeEmptyReferences(); 111 ResourceReference data = cache.get(cacheKey); 112 if (data == null || ((biInfo = data.get()) == null)) { 113 biInfo = localeData.getBreakIteratorInfo(locale).getObject(key); 114 cache.put(cacheKey, new ResourceReference(cacheKey, biInfo, referenceQueue)); 115 } 116 117 return biInfo; 118 } 119 120 int getCalendarData(String key) { 121 Integer caldata; 122 String cacheKey = CALENDAR_DATA + key; 123 124 removeEmptyReferences(); 125 126 ResourceReference data = cache.get(cacheKey); 127 if (data == null || ((caldata = (Integer) data.get()) == null)) { 128 ResourceBundle rb = localeData.getCalendarData(locale); 129 if (rb.containsKey(key)) { 130 caldata = Integer.parseInt(rb.getString(key)); 131 } else { 132 caldata = 0; 133 } 134 135 cache.put(cacheKey, 136 new ResourceReference(cacheKey, (Object) caldata, referenceQueue)); 137 } 138 139 return caldata; 140 } 141 142 public String getCollationData() { 143 String key = "Rule"; 144 String coldata = ""; 145 146 removeEmptyReferences(); 147 ResourceReference data = cache.get(COLLATION_DATA_CACHEKEY); 148 if (data == null || ((coldata = (String) data.get()) == null)) { 149 ResourceBundle rb = localeData.getCollationData(locale); 150 if (rb.containsKey(key)) { 151 coldata = rb.getString(key); 152 } 153 cache.put(COLLATION_DATA_CACHEKEY, 154 new ResourceReference(COLLATION_DATA_CACHEKEY, (Object) coldata, referenceQueue)); 155 } 156 157 return coldata; 158 } 159 160 public Object[] getDecimalFormatSymbolsData() { 161 Object[] dfsdata; 162 163 removeEmptyReferences(); 164 ResourceReference data = cache.get(DECIMAL_FORMAT_SYMBOLS_DATA_CACHEKEY); 165 if (data == null || ((dfsdata = (Object[]) data.get()) == null)) { 166 // Note that only dfsdata[0] is prepared here in this method. Other 167 // elements are provided by the caller, yet they are cached here. 168 ResourceBundle rb = localeData.getNumberFormatData(locale); 169 dfsdata = new Object[3]; 170 171 // NumberElements look up. First, try the Unicode extension 172 String numElemKey; 173 String numberType = locale.getUnicodeLocaleType("nu"); 174 if (numberType != null) { 175 numElemKey = numberType + ".NumberElements"; 176 if (rb.containsKey(numElemKey)) { 177 dfsdata[0] = rb.getStringArray(numElemKey); 178 } 179 } 180 181 // Next, try DefaultNumberingSystem value 182 if (dfsdata[0] == null && rb.containsKey("DefaultNumberingSystem")) { 183 numElemKey = rb.getString("DefaultNumberingSystem") + ".NumberElements"; 184 if (rb.containsKey(numElemKey)) { 185 dfsdata[0] = rb.getStringArray(numElemKey); 186 } 187 } 188 189 // Last resort. No need to check the availability. 190 // Just let it throw MissingResourceException when needed. 191 if (dfsdata[0] == null) { 192 dfsdata[0] = rb.getStringArray("NumberElements"); 193 } 194 195 cache.put(DECIMAL_FORMAT_SYMBOLS_DATA_CACHEKEY, 196 new ResourceReference(DECIMAL_FORMAT_SYMBOLS_DATA_CACHEKEY, (Object) dfsdata, referenceQueue)); 197 } 198 199 return dfsdata; 200 } 201 202 public String getCurrencyName(String key) { 203 Object currencyName = null; 204 String cacheKey = CURRENCY_NAMES + key; 205 206 removeEmptyReferences(); 207 ResourceReference data = cache.get(cacheKey); 208 209 if (data != null && ((currencyName = data.get()) != null)) { 210 if (currencyName.equals(NULLOBJECT)) { 211 currencyName = null; 212 } 213 214 return (String) currencyName; 215 } 216 217 OpenListResourceBundle olrb = localeData.getCurrencyNames(locale); 218 219 if (olrb.containsKey(key)) { 220 currencyName = olrb.getObject(key); 221 cache.put(cacheKey, 222 new ResourceReference(cacheKey, currencyName, referenceQueue)); 223 } 224 225 return (String) currencyName; 226 } 227 228 public String getLocaleName(String key) { 229 Object localeName = null; 230 String cacheKey = LOCALE_NAMES + key; 231 232 removeEmptyReferences(); 233 ResourceReference data = cache.get(cacheKey); 234 235 if (data != null && ((localeName = data.get()) != null)) { 236 if (localeName.equals(NULLOBJECT)) { 237 localeName = null; 238 } 239 240 return (String) localeName; 241 } 242 243 OpenListResourceBundle olrb = localeData.getLocaleNames(locale); 244 245 if (olrb.containsKey(key)) { 246 localeName = olrb.getObject(key); 247 cache.put(cacheKey, 248 new ResourceReference(cacheKey, localeName, referenceQueue)); 249 } 250 251 return (String) localeName; 252 } 253 254 String[] getTimeZoneNames(String key) { 255 String[] names = null; 256 String cacheKey = TIME_ZONE_NAMES + '.' + key; 257 258 removeEmptyReferences(); 259 ResourceReference data = cache.get(cacheKey); 260 261 if (Objects.isNull(data) || Objects.isNull((names = (String[]) data.get()))) { 262 TimeZoneNamesBundle tznb = localeData.getTimeZoneNames(locale); 263 if (tznb.containsKey(key)) { 264 names = tznb.getStringArray(key); 265 cache.put(cacheKey, 266 new ResourceReference(cacheKey, (Object) names, referenceQueue)); 267 } 268 } 269 270 return names; 271 } 272 273 @SuppressWarnings("unchecked") 274 Set<String> getZoneIDs() { 275 Set<String> zoneIDs = null; 276 277 removeEmptyReferences(); 278 ResourceReference data = cache.get(ZONE_IDS_CACHEKEY); 279 if (data == null || ((zoneIDs = (Set<String>) data.get()) == null)) { 280 TimeZoneNamesBundle rb = localeData.getTimeZoneNames(locale); 281 zoneIDs = rb.keySet(); 282 cache.put(ZONE_IDS_CACHEKEY, 283 new ResourceReference(ZONE_IDS_CACHEKEY, (Object) zoneIDs, referenceQueue)); 284 } 285 286 return zoneIDs; 287 } 288 289 // zoneStrings are cached separately in TimeZoneNameUtility. 290 String[][] getZoneStrings() { 291 TimeZoneNamesBundle rb = localeData.getTimeZoneNames(locale); 292 Set<String> keyset = getZoneIDs(); 293 // Use a LinkedHashSet to preseve the order 294 Set<String[]> value = new LinkedHashSet<>(); 295 for (String key : keyset) { 296 value.add(rb.getStringArray(key)); 297 } 298 299 // Add aliases data for CLDR 300 if (type == LocaleProviderAdapter.Type.CLDR) { 301 // Note: TimeZoneNamesBundle creates a String[] on each getStringArray call. 302 Map<String, String> aliases = ZoneInfo.getAliasTable(); 303 for (String alias : aliases.keySet()) { 304 if (!keyset.contains(alias)) { 305 String tzid = aliases.get(alias); 306 if (keyset.contains(tzid)) { 307 String[] val = rb.getStringArray(tzid); 308 val[0] = alias; 309 value.add(val); 310 } 311 } 312 } 313 } 314 return value.toArray(new String[0][]); 315 } 316 317 String[] getCalendarNames(String key) { 318 String[] names = null; 319 String cacheKey = CALENDAR_NAMES + key; 320 321 removeEmptyReferences(); 322 ResourceReference data = cache.get(cacheKey); 323 324 if (data == null || ((names = (String[]) data.get()) == null)) { 325 ResourceBundle rb = localeData.getDateFormatData(locale); 326 if (rb.containsKey(key)) { 327 names = rb.getStringArray(key); 328 cache.put(cacheKey, 329 new ResourceReference(cacheKey, (Object) names, referenceQueue)); 330 } 331 } 332 333 return names; 334 } 335 336 String[] getJavaTimeNames(String key) { 337 String[] names = null; 338 String cacheKey = CALENDAR_NAMES + key; 339 340 removeEmptyReferences(); 341 ResourceReference data = cache.get(cacheKey); 342 343 if (data == null || ((names = (String[]) data.get()) == null)) { 344 ResourceBundle rb = getJavaTimeFormatData(); 345 if (rb.containsKey(key)) { 346 names = rb.getStringArray(key); 347 cache.put(cacheKey, 348 new ResourceReference(cacheKey, (Object) names, referenceQueue)); 349 } 350 } 351 352 return names; 353 } 354 355 public String getDateTimePattern(int timeStyle, int dateStyle, Calendar cal) { 356 if (cal == null) { 357 cal = Calendar.getInstance(locale); 358 } 359 return getDateTimePattern(null, timeStyle, dateStyle, cal.getCalendarType()); 360 } 361 362 /** 363 * Returns a date-time format pattern 364 * @param timeStyle style of time; one of FULL, LONG, MEDIUM, SHORT in DateFormat, 365 * or -1 if not required 366 * @param dateStyle style of time; one of FULL, LONG, MEDIUM, SHORT in DateFormat, 367 * or -1 if not required 368 * @param calType the calendar type for the pattern 369 * @return the pattern string 370 */ 371 public String getJavaTimeDateTimePattern(int timeStyle, int dateStyle, String calType) { 372 calType = CalendarDataUtility.normalizeCalendarType(calType); 373 String pattern; 374 pattern = getDateTimePattern("java.time.", timeStyle, dateStyle, calType); 375 if (pattern == null) { 376 pattern = getDateTimePattern(null, timeStyle, dateStyle, calType); 377 } 378 return pattern; 379 } 380 381 private String getDateTimePattern(String prefix, int timeStyle, int dateStyle, String calType) { 382 String pattern; 383 String timePattern = null; 384 String datePattern = null; 385 386 if (timeStyle >= 0) { 387 if (prefix != null) { 388 timePattern = getDateTimePattern(prefix, "TimePatterns", timeStyle, calType); 389 } 390 if (timePattern == null) { 391 timePattern = getDateTimePattern(null, "TimePatterns", timeStyle, calType); 392 } 393 } 394 if (dateStyle >= 0) { 395 if (prefix != null) { 396 datePattern = getDateTimePattern(prefix, "DatePatterns", dateStyle, calType); 397 } 398 if (datePattern == null) { 399 datePattern = getDateTimePattern(null, "DatePatterns", dateStyle, calType); 400 } 401 } 402 if (timeStyle >= 0) { 403 if (dateStyle >= 0) { 404 String dateTimePattern = null; 405 if (prefix != null) { 406 dateTimePattern = getDateTimePattern(prefix, "DateTimePatterns", 0, calType); 407 } 408 if (dateTimePattern == null) { 409 dateTimePattern = getDateTimePattern(null, "DateTimePatterns", 0, calType); 410 } 411 switch (dateTimePattern) { 412 case "{1} {0}": 413 pattern = datePattern + " " + timePattern; 414 break; 415 case "{0} {1}": 416 pattern = timePattern + " " + datePattern; 417 break; 418 default: 419 pattern = MessageFormat.format(dateTimePattern, timePattern, datePattern); 420 break; 421 } 422 } else { 423 pattern = timePattern; 424 } 425 } else if (dateStyle >= 0) { 426 pattern = datePattern; 427 } else { 428 throw new IllegalArgumentException("No date or time style specified"); 429 } 430 return pattern; 431 } 432 433 public String[] getNumberPatterns() { 434 String[] numberPatterns = null; 435 436 removeEmptyReferences(); 437 ResourceReference data = cache.get(NUMBER_PATTERNS_CACHEKEY); 438 439 if (data == null || ((numberPatterns = (String[]) data.get()) == null)) { 440 ResourceBundle resource = localeData.getNumberFormatData(locale); 441 numberPatterns = resource.getStringArray("NumberPatterns"); 442 cache.put(NUMBER_PATTERNS_CACHEKEY, 443 new ResourceReference(NUMBER_PATTERNS_CACHEKEY, (Object) numberPatterns, referenceQueue)); 444 } 445 446 return numberPatterns; 447 } 448 449 /** 450 * Returns the FormatData resource bundle of this LocaleResources. 451 * The FormatData should be used only for accessing extra 452 * resources required by JSR 310. 453 */ 454 public ResourceBundle getJavaTimeFormatData() { 455 ResourceBundle rb = localeData.getDateFormatData(locale); 456 if (rb instanceof ParallelListResourceBundle) { 457 localeData.setSupplementary((ParallelListResourceBundle) rb); 458 } 459 return rb; 460 } 461 462 private String getDateTimePattern(String prefix, String key, int styleIndex, String calendarType) { 463 StringBuilder sb = new StringBuilder(); 464 if (prefix != null) { 465 sb.append(prefix); 466 } 467 if (!"gregory".equals(calendarType)) { 468 sb.append(calendarType).append('.'); 469 } 470 sb.append(key); 471 String resourceKey = sb.toString(); 472 String cacheKey = sb.insert(0, DATE_TIME_PATTERN).toString(); 473 474 removeEmptyReferences(); 475 ResourceReference data = cache.get(cacheKey); 476 Object value = NULLOBJECT; 477 478 if (data == null || ((value = data.get()) == null)) { 479 ResourceBundle r = (prefix != null) ? getJavaTimeFormatData() : localeData.getDateFormatData(locale); 480 if (r.containsKey(resourceKey)) { 481 value = r.getStringArray(resourceKey); 482 } else { 483 assert !resourceKey.equals(key); 484 if (r.containsKey(key)) { 485 value = r.getStringArray(key); 486 } 487 } 488 cache.put(cacheKey, 489 new ResourceReference(cacheKey, value, referenceQueue)); 490 } 491 if (value == NULLOBJECT) { 492 assert prefix != null; 493 return null; 494 } 495 return ((String[])value)[styleIndex]; 496 } 497 498 private static class ResourceReference extends SoftReference<Object> { 499 private final String cacheKey; 500 501 ResourceReference(String cacheKey, Object o, ReferenceQueue<Object> q) { 502 super(o, q); 503 this.cacheKey = cacheKey; 504 } 505 506 String getCacheKey() { 507 return cacheKey; 508 } 509 } 510 }