1 /*
2 * Copyright (c) 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
23 * questions.
24 */
25 package sun.util.locale.provider;
26
27 import java.lang.ref.SoftReference;
28 import java.text.DateFormat;
29 import java.text.DateFormatSymbols;
30 import java.text.DecimalFormat;
31 import java.text.DecimalFormatSymbols;
32 import java.text.NumberFormat;
33 import java.text.SimpleDateFormat;
34 import java.text.spi.DateFormatProvider;
35 import java.text.spi.DateFormatSymbolsProvider;
36 import java.text.spi.DecimalFormatSymbolsProvider;
37 import java.text.spi.NumberFormatProvider;
38 import java.util.Calendar;
39 import java.util.Collections;
40 import java.util.HashSet;
41 import java.util.Locale;
42 import java.util.Map;
43 import java.util.ResourceBundle.Control;
44 import java.util.Set;
45 import java.util.TimeZone;
46 import java.util.concurrent.ConcurrentHashMap;
47 import java.util.concurrent.ConcurrentMap;
48 import java.util.concurrent.atomic.AtomicReferenceArray;
49 import java.util.spi.CalendarDataProvider;
50 import java.util.spi.CalendarNameProvider;
51 import sun.util.spi.CalendarProvider;
52
53 /**
54 * LocaleProviderdapter implementation for the Windows locale data.
55 *
56 * @author Naoto Sato
57 */
58 public class HostLocaleProviderAdapterImpl {
59
60 // locale categories
61 private static final int CAT_DISPLAY = 0;
62 private static final int CAT_FORMAT = 1;
63
64 // NumberFormat styles
65 private static final int NF_NUMBER = 0;
66 private static final int NF_CURRENCY = 1;
67 private static final int NF_PERCENT = 2;
68 private static final int NF_INTEGER = 3;
69 private static final int NF_MAX = NF_INTEGER;
70
71 // CalendarData value types
72 private static final int CD_FIRSTDAYOFWEEK = 0;
73 private static final int CD_MINIMALDAYSINFIRSTWEEK = 1;
74
75 // Native Calendar ID to LDML calendar type map
76 private static final String[] calIDToLDML = {
77 "",
78 "gregory",
79 "gregory_en-US",
80 "japanese",
81 "roc",
82 "", // No appropriate type for CAL_KOREA
83 "islamic",
84 "buddhist",
85 "hebrew",
86 "gregory_fr",
87 "gregory_ar",
88 "gregory_en",
89 "gregory_fr",
90 };
91
92 // Caches
93 private static ConcurrentMap<Locale, SoftReference<AtomicReferenceArray<String>>> dateFormatCache = new ConcurrentHashMap<>();
94 private static ConcurrentMap<Locale, SoftReference<DateFormatSymbols>> dateFormatSymbolsCache = new ConcurrentHashMap<>();
95 private static ConcurrentMap<Locale, SoftReference<AtomicReferenceArray<String>>> numberFormatCache = new ConcurrentHashMap<>();
96 private static ConcurrentMap<Locale, SoftReference<DecimalFormatSymbols>> decimalFormatSymbolsCache = new ConcurrentHashMap<>();
97
98 private static final Set<Locale> supportedLocaleSet;
99 static {
100 Set<Locale> tmpSet = new HashSet<>();
101 if (initialize()) {
102 // Assuming the default locales do not include any extensions, so
103 // no stripping is needed here.
104 Locale l = Locale.forLanguageTag(getDefaultLocale(CAT_FORMAT).replace('_', '-'));
105 tmpSet.addAll(Control.getNoFallbackControl(Control.FORMAT_DEFAULT).getCandidateLocales("", l));
106 l = Locale.forLanguageTag(getDefaultLocale(CAT_DISPLAY).replace('_', '-'));
107 tmpSet.addAll(Control.getNoFallbackControl(Control.FORMAT_DEFAULT).getCandidateLocales("", l));
108 }
109 supportedLocaleSet = Collections.unmodifiableSet(tmpSet);
110 }
111 private final static Locale[] supportedLocale = supportedLocaleSet.toArray(new Locale[0]);
112
113 public static DateFormatProvider getDateFormatProvider() {
114 return new DateFormatProvider() {
115 @Override
116 public Locale[] getAvailableLocales() {
117 return getSupportedCalendarLocales();
118 }
119
120 @Override
121 public boolean isSupportedLocale(Locale locale) {
122 return isSupportedCalendarLocale(locale);
123 }
124
125 @Override
126 public DateFormat getDateInstance(int style, Locale locale) {
127 AtomicReferenceArray<String> patterns = getDateTimePatterns(locale);
128 return new SimpleDateFormat(patterns.get(style/2),
129 getCalendarLocale(locale));
130 }
131
132 @Override
133 public DateFormat getTimeInstance(int style, Locale locale) {
134 AtomicReferenceArray<String> patterns = getDateTimePatterns(locale);
135 return new SimpleDateFormat(patterns.get(style/2+2),
136 getCalendarLocale(locale));
137 }
138
139 @Override
140 public DateFormat getDateTimeInstance(int dateStyle,
141 int timeStyle, Locale locale) {
142 AtomicReferenceArray<String> patterns = getDateTimePatterns(locale);
143 String pattern = new StringBuilder(patterns.get(dateStyle/2))
144 .append(" ")
145 .append(patterns.get(timeStyle/2+2))
146 .toString();
147 return new SimpleDateFormat(pattern, getCalendarLocale(locale));
148 }
149
150 private AtomicReferenceArray<String> getDateTimePatterns(Locale locale) {
151 AtomicReferenceArray<String> patterns;
152 SoftReference<AtomicReferenceArray<String>> ref = dateFormatCache.get(locale);
153
154 if (ref == null || (patterns = ref.get()) == null) {
155 String langtag = removeExtensions(locale).toLanguageTag();
156 patterns = new AtomicReferenceArray<>(4);
157 patterns.compareAndSet(0, null, convertDateTimePattern(
158 getDateTimePattern(DateFormat.LONG, -1, langtag)));
159 patterns.compareAndSet(1, null, convertDateTimePattern(
160 getDateTimePattern(DateFormat.SHORT, -1, langtag)));
161 patterns.compareAndSet(2, null, convertDateTimePattern(
162 getDateTimePattern(-1, DateFormat.LONG, langtag)));
163 patterns.compareAndSet(3, null, convertDateTimePattern(
164 getDateTimePattern(-1, DateFormat.SHORT, langtag)));
165 ref = new SoftReference<>(patterns);
166 dateFormatCache.put(locale, ref);
167 }
168
169 return patterns;
170 }
171 };
172 }
173
174 public static DateFormatSymbolsProvider getDateFormatSymbolsProvider() {
175 return new DateFormatSymbolsProvider() {
176
177 @Override
178 public Locale[] getAvailableLocales() {
179 return getSupportedCalendarLocales();
180 }
181
182 @Override
183 public boolean isSupportedLocale(Locale locale) {
184 return isSupportedCalendarLocale(locale);
185 }
186
187 @Override
188 public DateFormatSymbols getInstance(Locale locale) {
189 DateFormatSymbols dfs;
190 SoftReference<DateFormatSymbols> ref =
191 dateFormatSymbolsCache.get(locale);
192
193 if (ref == null || (dfs = ref.get()) == null) {
194 dfs = new DateFormatSymbols(locale);
195 String langTag = removeExtensions(locale).toLanguageTag();
196
197 dfs.setAmPmStrings(getAmPmStrings(langTag, dfs.getAmPmStrings()));
198 dfs.setEras(getEras(langTag, dfs.getEras()));
199 dfs.setMonths(getMonths(langTag, dfs.getMonths()));
200 dfs.setShortMonths(getShortMonths(langTag, dfs.getShortMonths()));
201 dfs.setWeekdays(getWeekdays(langTag, dfs.getWeekdays()));
202 dfs.setShortWeekdays(getShortWeekdays(langTag, dfs.getShortWeekdays()));
203 ref = new SoftReference<>(dfs);
204 dateFormatSymbolsCache.put(locale, ref);
205 }
206 return (DateFormatSymbols)dfs.clone();
207 }
208 };
209 }
210
211 public static NumberFormatProvider getNumberFormatProvider() {
212 return new NumberFormatProvider() {
213
214 @Override
215 public Locale[] getAvailableLocales() {
216 return getSupportedNativeDigitLocales();
217 }
218
219 @Override
220 public boolean isSupportedLocale(Locale locale) {
221 return isSupportedNativeDigitLocale(locale);
222 }
223
224 @Override
225 public NumberFormat getCurrencyInstance(Locale locale) {
226 AtomicReferenceArray<String> patterns = getNumberPatterns(locale);
227 return new DecimalFormat(patterns.get(NF_CURRENCY),
228 DecimalFormatSymbols.getInstance(locale));
229 }
230
231 @Override
232 public NumberFormat getIntegerInstance(Locale locale) {
233 AtomicReferenceArray<String> patterns = getNumberPatterns(locale);
234 return new DecimalFormat(patterns.get(NF_INTEGER),
235 DecimalFormatSymbols.getInstance(locale));
236 }
237
238 @Override
239 public NumberFormat getNumberInstance(Locale locale) {
240 AtomicReferenceArray<String> patterns = getNumberPatterns(locale);
241 return new DecimalFormat(patterns.get(NF_NUMBER),
242 DecimalFormatSymbols.getInstance(locale));
243 }
244
245 @Override
246 public NumberFormat getPercentInstance(Locale locale) {
247 AtomicReferenceArray<String> patterns = getNumberPatterns(locale);
248 return new DecimalFormat(patterns.get(NF_PERCENT),
249 DecimalFormatSymbols.getInstance(locale));
250 }
251
252 private AtomicReferenceArray<String> getNumberPatterns(Locale locale) {
253 AtomicReferenceArray<String> patterns;
254 SoftReference<AtomicReferenceArray<String>> ref = numberFormatCache.get(locale);
255
256 if (ref == null || (patterns = ref.get()) == null) {
257 String langtag = locale.toLanguageTag();
258 patterns = new AtomicReferenceArray<>(NF_MAX+1);
259 for (int i = 0; i <= NF_MAX; i++) {
260 patterns.compareAndSet(i, null, getNumberPattern(i, langtag));
261 }
262 ref = new SoftReference<>(patterns);
263 numberFormatCache.put(locale, ref);
264 }
265 return patterns;
266 }
267 };
268 }
269
270 public static DecimalFormatSymbolsProvider getDecimalFormatSymbolsProvider() {
271 return new DecimalFormatSymbolsProvider() {
272
273 @Override
274 public Locale[] getAvailableLocales() {
275 return getSupportedNativeDigitLocales();
276 }
277
278 @Override
279 public boolean isSupportedLocale(Locale locale) {
280 return isSupportedNativeDigitLocale(locale);
281 }
282
283 @Override
284 public DecimalFormatSymbols getInstance(Locale locale) {
285 DecimalFormatSymbols dfs;
286 SoftReference<DecimalFormatSymbols> ref =
287 decimalFormatSymbolsCache.get(locale);
288
289 if (ref == null || (dfs = ref.get()) == null) {
290 dfs = new DecimalFormatSymbols(getNumberLocale(locale));
291 String langTag = removeExtensions(locale).toLanguageTag();
292
293 // DecimalFormatSymbols.setInternationalCurrencySymbol() has
294 // a side effect of setting the currency symbol as well. So
295 // the calling order is relevant here.
296 dfs.setInternationalCurrencySymbol(getInternationalCurrencySymbol(langTag, dfs.getInternationalCurrencySymbol()));
297 dfs.setCurrencySymbol(getCurrencySymbol(langTag, dfs.getCurrencySymbol()));
298 dfs.setDecimalSeparator(getDecimalSeparator(langTag, dfs.getDecimalSeparator()));
299 dfs.setGroupingSeparator(getGroupingSeparator(langTag, dfs.getGroupingSeparator()));
300 dfs.setInfinity(getInfinity(langTag, dfs.getInfinity()));
301 dfs.setMinusSign(getMinusSign(langTag, dfs.getMinusSign()));
302 dfs.setMonetaryDecimalSeparator(getMonetaryDecimalSeparator(langTag, dfs.getMonetaryDecimalSeparator()));
303 dfs.setNaN(getNaN(langTag, dfs.getNaN()));
304 dfs.setPercent(getPercent(langTag, dfs.getPercent()));
305 dfs.setPerMill(getPerMill(langTag, dfs.getPerMill()));
306 if (isNativeDigit(langTag)) {
307 dfs.setZeroDigit(getZeroDigit(langTag, dfs.getZeroDigit()));
308 }
309 ref = new SoftReference<>(dfs);
310 decimalFormatSymbolsCache.put(locale, ref);
311 }
312 return (DecimalFormatSymbols)dfs.clone();
313 }
314 };
315 }
316
317 public static CalendarDataProvider getCalendarDataProvider() {
318 return new CalendarDataProvider() {
319 @Override
320 public Locale[] getAvailableLocales() {
321 return getSupportedCalendarLocales();
322 }
323
324 @Override
325 public boolean isSupportedLocale(Locale locale) {
326 return isSupportedCalendarLocale(locale);
327 }
328
329 @Override
330 public int getFirstDayOfWeek(Locale locale) {
331 int first = getCalendarDataValue(
332 removeExtensions(locale).toLanguageTag(),
333 CD_FIRSTDAYOFWEEK);
334 if (first != -1) {
335 return (first + 1) % 7 + 1;
336 } else {
337 return 0;
338 }
339 }
340
341 @Override
342 public int getMinimalDaysInFirstWeek(Locale locale) {
343 return 0;
344 }
345 };
346 }
347
348 public static CalendarNameProvider getCalendarNameProvider() {
349 return new CalendarNameProvider() {
350 @Override
351 public Locale[] getAvailableLocales() {
352 return getSupportedCalendarLocales();
353 }
354
355 @Override
356 public boolean isSupportedLocale(Locale locale) {
357 return isSupportedCalendarLocale(locale);
358 }
359
360 @Override
361 public String getDisplayName(String calType, int field, int value,
362 int style, Locale locale) {
363 return null;
364 }
365
366 @Override
367 public Map<String, Integer> getDisplayNames(String calType,
368 int field, int style, Locale locale) {
369 return null;
370 }
371 };
372 }
373
374 public static CalendarProvider getCalendarProvider() {
375 return new CalendarProvider() {
376 @Override
377 public Locale[] getAvailableLocales() {
378 return getSupportedCalendarLocales();
379 }
380
381 @Override
382 public boolean isSupportedLocale(Locale locale) {
383 return isSupportedCalendarLocale(locale);
384 }
385
386 @Override
387 public Calendar getInstance(TimeZone zone, Locale locale) {
388 return new Calendar.Builder()
389 .setLocale(getCalendarLocale(locale))
390 .setTimeZone(zone)
391 .setInstant(System.currentTimeMillis())
392 .build();
393 }
394 };
395 }
396
397 private static String convertDateTimePattern(String winPattern) {
398 String ret = winPattern.replaceAll("dddd", "EEEE");
399 ret = ret.replaceAll("ddd", "EEE");
400 ret = ret.replaceAll("tt", "aa");
401 ret = ret.replaceAll("g", "GG");
402 return ret;
403 }
404
405 private static Locale[] getSupportedCalendarLocales() {
406 if (supportedLocale.length != 0 &&
407 supportedLocaleSet.contains(Locale.JAPAN) &&
408 isJapaneseCalendar()) {
409 Locale[] sup = new Locale[supportedLocale.length+1];
410 sup[0] = JRELocaleConstants.JA_JP_JP;
411 System.arraycopy(supportedLocale, 0, sup, 1, supportedLocale.length);
412 return sup;
413 }
414 return supportedLocale;
415 }
416
417 private static boolean isSupportedCalendarLocale(Locale locale) {
418 Locale base = locale.stripExtensions();
419 if (!supportedLocaleSet.contains(base)) {
420 return false;
421 }
422
423 String requestedCalType = locale.getUnicodeLocaleType("ca");
424 String nativeCalType =
425 calIDToLDML[getCalendarID(locale.toLanguageTag())]
426 .replaceFirst("_.*", ""); // remove locale part.
427
428 if (requestedCalType == null) {
429 return Calendar.getAvailableCalendarTypes().contains(nativeCalType);
430 } else {
431 return requestedCalType.equals(nativeCalType);
432 }
433 }
434
435 private static Locale[] getSupportedNativeDigitLocales() {
436 if (supportedLocale.length != 0 &&
437 supportedLocaleSet.contains(JRELocaleConstants.TH_TH) &&
438 isNativeDigit("th-TH")) {
439 Locale[] sup = new Locale[supportedLocale.length+1];
440 sup[0] = JRELocaleConstants.TH_TH_TH;
441 System.arraycopy(supportedLocale, 0, sup, 1, supportedLocale.length);
442 return sup;
443 }
444 return supportedLocale;
445 }
446
447 private static boolean isSupportedNativeDigitLocale(Locale locale) {
448 // special case for th_TH_TH
449 if (JRELocaleConstants.TH_TH_TH.equals(locale)) {
450 return isNativeDigit("th-TH");
451 }
452
453 String numtype = null;
454 Locale base = locale;
455 if (locale.hasExtensions()) {
456 numtype = locale.getUnicodeLocaleType("nu");
457 base = locale.stripExtensions();
458 }
459
460 if (supportedLocaleSet.contains(base)) {
461 // Only supports Latin or Thai (in thai locales) digits.
462 if (numtype == null || numtype.equals("latn")) {
463 return true;
464 } else if (locale.getLanguage().equals("th")) {
465 return "thai".equals(numtype) &&
466 isNativeDigit(locale.toLanguageTag());
467 }
468 }
469
470 return false;
471 }
472
473 private static Locale removeExtensions(Locale src) {
474 return new Locale.Builder().setLocale(src).clearExtensions().build();
475 }
476
477 private static boolean isJapaneseCalendar() {
478 return getCalendarID("ja-JP") == 3; // 3: CAL_JAPAN
479 }
480
481 private static Locale getCalendarLocale(Locale locale) {
482 int calid = getCalendarID(locale.toLanguageTag());
483 if (calid > 0 && calid < calIDToLDML.length) {
484 Locale.Builder lb = new Locale.Builder();
485 String[] caltype = calIDToLDML[calid].split("_");
486 if (caltype.length > 1) {
487 lb.setLocale(Locale.forLanguageTag(caltype[1]));
488 } else {
489 lb.setLocale(locale);
490 }
491 lb.setUnicodeLocaleKeyword("ca", caltype[0]);
492 return lb.build();
493 }
494
495 return locale;
496 }
497
498 private static Locale getNumberLocale(Locale src) {
499 if (JRELocaleConstants.TH_TH.equals(src)) {
500 if (isNativeDigit("th-TH")) {
501 Locale.Builder lb = new Locale.Builder().setLocale(src);
502 lb.setUnicodeLocaleKeyword("nu", "thai");
503 return lb.build();
504 }
505 }
506
507 return src;
508 }
509
510 // native methods
511
512 // initialize
513 private static native boolean initialize();
514 private static native String getDefaultLocale(int cat);
515
516 // For DateFormatProvider
517 private static native String getDateTimePattern(int dateStyle, int timeStyle, String langTag);
518 private static native int getCalendarID(String langTag);
519
520 // For DateFormatSymbolsProvider
521 private static native String[] getAmPmStrings(String langTag, String[] ampm);
522 private static native String[] getEras(String langTag, String[] eras);
523 private static native String[] getMonths(String langTag, String[] months);
524 private static native String[] getShortMonths(String langTag, String[] smonths);
525 private static native String[] getWeekdays(String langTag, String[] wdays);
526 private static native String[] getShortWeekdays(String langTag, String[] swdays);
527
528 // For NumberFormatProvider
529 private static native String getNumberPattern(int numberStyle, String langTag);
530 private static native boolean isNativeDigit(String langTag);
531
532 // For DecimalFormatSymbolsProvider
533 private static native String getCurrencySymbol(String langTag, String currencySymbol);
534 private static native char getDecimalSeparator(String langTag, char decimalSeparator);
535 private static native char getGroupingSeparator(String langTag, char groupingSeparator);
536 private static native String getInfinity(String langTag, String infinity);
537 private static native String getInternationalCurrencySymbol(String langTag, String internationalCurrencySymbol);
538 private static native char getMinusSign(String langTag, char minusSign);
539 private static native char getMonetaryDecimalSeparator(String langTag, char monetaryDecimalSeparator);
540 private static native String getNaN(String langTag, String nan);
541 private static native char getPercent(String langTag, char percent);
542 private static native char getPerMill(String langTag, char perMill);
543 private static native char getZeroDigit(String langTag, char zeroDigit);
544
545 // For CalendarDataProvider
546 private static native int getCalendarDataValue(String langTag, int type);
547 }