libcore_icu_ICU.cpp revision 73dc486a74a67ce375e3d90dcfaa6b5255b7c0da
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "ICU" 18 19#include "JNIHelp.h" 20#include "JniConstants.h" 21#include "JniException.h" 22#include "ScopedFd.h" 23#include "ScopedJavaUnicodeString.h" 24#include "ScopedLocalRef.h" 25#include "ScopedStringChars.h" 26#include "ScopedUtfChars.h" 27#include "UniquePtr.h" 28#include "cutils/log.h" 29#include "toStringArray.h" 30#include "unicode/calendar.h" 31#include "unicode/datefmt.h" 32#include "unicode/dcfmtsym.h" 33#include "unicode/decimfmt.h" 34#include "unicode/dtfmtsym.h" 35#include "unicode/gregocal.h" 36#include "unicode/locid.h" 37#include "unicode/numfmt.h" 38#include "unicode/strenum.h" 39#include "unicode/ubrk.h" 40#include "unicode/ucal.h" 41#include "unicode/uclean.h" 42#include "unicode/ucol.h" 43#include "unicode/ucurr.h" 44#include "unicode/udat.h" 45#include "unicode/uloc.h" 46#include "unicode/ustring.h" 47#include "ureslocs.h" 48#include "valueOf.h" 49 50#include <errno.h> 51#include <fcntl.h> 52#include <stdlib.h> 53#include <string.h> 54#include <string> 55#include <sys/mman.h> 56#include <sys/stat.h> 57#include <sys/time.h> 58#include <sys/types.h> 59#include <time.h> 60#include <unistd.h> 61 62class ScopedResourceBundle { 63public: 64 ScopedResourceBundle(UResourceBundle* bundle) : mBundle(bundle) { 65 } 66 67 ~ScopedResourceBundle() { 68 if (mBundle != NULL) { 69 ures_close(mBundle); 70 } 71 } 72 73 UResourceBundle* get() { 74 return mBundle; 75 } 76 77private: 78 UResourceBundle* mBundle; 79 80 // Disallow copy and assignment. 81 ScopedResourceBundle(const ScopedResourceBundle&); 82 void operator=(const ScopedResourceBundle&); 83}; 84 85Locale getLocale(JNIEnv* env, jstring localeName) { 86 return Locale::createFromName(ScopedUtfChars(env, localeName).c_str()); 87} 88 89static jstring ICU_addLikelySubtags(JNIEnv* env, jclass, jstring javaLocale) { 90 UErrorCode status = U_ZERO_ERROR; 91 ScopedUtfChars localeID(env, javaLocale); 92 char maximizedLocaleID[ULOC_FULLNAME_CAPACITY]; 93 uloc_addLikelySubtags(localeID.c_str(), maximizedLocaleID, sizeof(maximizedLocaleID), &status); 94 if (U_FAILURE(status)) { 95 return javaLocale; 96 } 97 return env->NewStringUTF(maximizedLocaleID); 98} 99 100static jstring ICU_getScript(JNIEnv* env, jclass, jstring javaLocale) { 101 UErrorCode status = U_ZERO_ERROR; 102 ScopedUtfChars localeID(env, javaLocale); 103 char script[ULOC_SCRIPT_CAPACITY]; 104 uloc_getScript(localeID.c_str(), script, sizeof(script), &status); 105 if (U_FAILURE(status)) { 106 return NULL; 107 } 108 return env->NewStringUTF(script); 109} 110 111static jint ICU_getCurrencyFractionDigits(JNIEnv* env, jclass, jstring javaCurrencyCode) { 112 ScopedJavaUnicodeString currencyCode(env, javaCurrencyCode); 113 UnicodeString icuCurrencyCode(currencyCode.unicodeString()); 114 UErrorCode status = U_ZERO_ERROR; 115 return ucurr_getDefaultFractionDigits(icuCurrencyCode.getTerminatedBuffer(), &status); 116} 117 118static jstring ICU_getCurrencyCode(JNIEnv* env, jclass, jstring javaCountryCode) { 119 UErrorCode status = U_ZERO_ERROR; 120 ScopedResourceBundle supplData(ures_openDirect(U_ICUDATA_CURR, "supplementalData", &status)); 121 if (U_FAILURE(status)) { 122 return NULL; 123 } 124 125 ScopedResourceBundle currencyMap(ures_getByKey(supplData.get(), "CurrencyMap", NULL, &status)); 126 if (U_FAILURE(status)) { 127 return NULL; 128 } 129 130 ScopedUtfChars countryCode(env, javaCountryCode); 131 ScopedResourceBundle currency(ures_getByKey(currencyMap.get(), countryCode.c_str(), NULL, &status)); 132 if (U_FAILURE(status)) { 133 return NULL; 134 } 135 136 ScopedResourceBundle currencyElem(ures_getByIndex(currency.get(), 0, NULL, &status)); 137 if (U_FAILURE(status)) { 138 return env->NewStringUTF("XXX"); 139 } 140 141 // Check if there's a 'to' date. If there is, the currency isn't used anymore. 142 ScopedResourceBundle currencyTo(ures_getByKey(currencyElem.get(), "to", NULL, &status)); 143 if (!U_FAILURE(status)) { 144 return NULL; 145 } 146 // Ignore the failure to find a 'to' date. 147 status = U_ZERO_ERROR; 148 149 ScopedResourceBundle currencyId(ures_getByKey(currencyElem.get(), "id", NULL, &status)); 150 if (U_FAILURE(status)) { 151 // No id defined for this country 152 return env->NewStringUTF("XXX"); 153 } 154 155 int32_t charCount; 156 const jchar* chars = ures_getString(currencyId.get(), &charCount, &status); 157 return (charCount == 0) ? env->NewStringUTF("XXX") : env->NewString(chars, charCount); 158} 159 160static jstring ICU_getCurrencyDisplayName(JNIEnv* env, jclass, jstring javaLocaleName, jstring javaCurrencyCode) { 161 ScopedUtfChars localeName(env, javaLocaleName); 162 ScopedJavaUnicodeString currencyCode(env, javaCurrencyCode); 163 UnicodeString icuCurrencyCode(currencyCode.unicodeString()); 164 UErrorCode status = U_ZERO_ERROR; 165 UBool isChoiceFormat; 166 int32_t charCount; 167 const UChar* chars = ucurr_getName(icuCurrencyCode.getTerminatedBuffer(), localeName.c_str(), 168 UCURR_LONG_NAME, &isChoiceFormat, &charCount, &status); 169 if (status == U_USING_DEFAULT_WARNING) { 170 // ICU's default is English. We want the ISO 4217 currency code instead. 171 chars = icuCurrencyCode.getBuffer(); 172 charCount = icuCurrencyCode.length(); 173 } 174 return (charCount == 0) ? NULL : env->NewString(chars, charCount); 175} 176 177static jstring ICU_getCurrencySymbol(JNIEnv* env, jclass, jstring locale, jstring currencyCode) { 178 // We can't use ucurr_getName because it doesn't distinguish between using data root from 179 // the root locale and parroting back the input because it's never heard of the currency code. 180 ScopedUtfChars localeName(env, locale); 181 UErrorCode status = U_ZERO_ERROR; 182 ScopedResourceBundle currLoc(ures_open(U_ICUDATA_CURR, localeName.c_str(), &status)); 183 if (U_FAILURE(status)) { 184 return NULL; 185 } 186 187 ScopedResourceBundle currencies(ures_getByKey(currLoc.get(), "Currencies", NULL, &status)); 188 if (U_FAILURE(status)) { 189 return NULL; 190 } 191 192 ScopedUtfChars currency(env, currencyCode); 193 ScopedResourceBundle currencyElems(ures_getByKey(currencies.get(), currency.c_str(), NULL, &status)); 194 if (U_FAILURE(status)) { 195 return NULL; 196 } 197 198 int32_t charCount; 199 const jchar* chars = ures_getStringByIndex(currencyElems.get(), 0, &charCount, &status); 200 if (U_FAILURE(status)) { 201 return NULL; 202 } 203 return (charCount == 0) ? NULL : env->NewString(chars, charCount); 204} 205 206static jstring ICU_getDisplayCountryNative(JNIEnv* env, jclass, jstring targetLocale, jstring locale) { 207 Locale loc = getLocale(env, locale); 208 Locale targetLoc = getLocale(env, targetLocale); 209 UnicodeString str; 210 targetLoc.getDisplayCountry(loc, str); 211 return env->NewString(str.getBuffer(), str.length()); 212} 213 214static jstring ICU_getDisplayLanguageNative(JNIEnv* env, jclass, jstring targetLocale, jstring locale) { 215 Locale loc = getLocale(env, locale); 216 Locale targetLoc = getLocale(env, targetLocale); 217 UnicodeString str; 218 targetLoc.getDisplayLanguage(loc, str); 219 return env->NewString(str.getBuffer(), str.length()); 220} 221 222static jstring ICU_getDisplayVariantNative(JNIEnv* env, jclass, jstring targetLocale, jstring locale) { 223 Locale loc = getLocale(env, locale); 224 Locale targetLoc = getLocale(env, targetLocale); 225 UnicodeString str; 226 targetLoc.getDisplayVariant(loc, str); 227 return env->NewString(str.getBuffer(), str.length()); 228} 229 230static jstring ICU_getISO3CountryNative(JNIEnv* env, jclass, jstring locale) { 231 Locale loc = getLocale(env, locale); 232 return env->NewStringUTF(loc.getISO3Country()); 233} 234 235static jstring ICU_getISO3LanguageNative(JNIEnv* env, jclass, jstring locale) { 236 Locale loc = getLocale(env, locale); 237 return env->NewStringUTF(loc.getISO3Language()); 238} 239 240static jobjectArray ICU_getISOCountriesNative(JNIEnv* env, jclass) { 241 return toStringArray(env, Locale::getISOCountries()); 242} 243 244static jobjectArray ICU_getISOLanguagesNative(JNIEnv* env, jclass) { 245 return toStringArray(env, Locale::getISOLanguages()); 246} 247 248static jobjectArray ICU_getAvailableLocalesNative(JNIEnv* env, jclass) { 249 return toStringArray(env, uloc_countAvailable, uloc_getAvailable); 250} 251 252static jobjectArray ICU_getAvailableBreakIteratorLocalesNative(JNIEnv* env, jclass) { 253 return toStringArray(env, ubrk_countAvailable, ubrk_getAvailable); 254} 255 256static jobjectArray ICU_getAvailableCalendarLocalesNative(JNIEnv* env, jclass) { 257 return toStringArray(env, ucal_countAvailable, ucal_getAvailable); 258} 259 260static jobjectArray ICU_getAvailableCollatorLocalesNative(JNIEnv* env, jclass) { 261 return toStringArray(env, ucol_countAvailable, ucol_getAvailable); 262} 263 264static jobjectArray ICU_getAvailableDateFormatLocalesNative(JNIEnv* env, jclass) { 265 return toStringArray(env, udat_countAvailable, udat_getAvailable); 266} 267 268static jobjectArray ICU_getAvailableNumberFormatLocalesNative(JNIEnv* env, jclass) { 269 return toStringArray(env, unum_countAvailable, unum_getAvailable); 270} 271 272static void setIntegerField(JNIEnv* env, jobject obj, const char* fieldName, int value) { 273 ScopedLocalRef<jobject> integerValue(env, integerValueOf(env, value)); 274 jfieldID fid = env->GetFieldID(JniConstants::localeDataClass, fieldName, "Ljava/lang/Integer;"); 275 env->SetObjectField(obj, fid, integerValue.get()); 276} 277 278static void setStringField(JNIEnv* env, jobject obj, const char* fieldName, jstring value) { 279 jfieldID fid = env->GetFieldID(JniConstants::localeDataClass, fieldName, "Ljava/lang/String;"); 280 env->SetObjectField(obj, fid, value); 281 env->DeleteLocalRef(value); 282} 283 284static void setStringArrayField(JNIEnv* env, jobject obj, const char* fieldName, jobjectArray value) { 285 jfieldID fid = env->GetFieldID(JniConstants::localeDataClass, fieldName, "[Ljava/lang/String;"); 286 env->SetObjectField(obj, fid, value); 287} 288 289static void setStringArrayField(JNIEnv* env, jobject obj, const char* fieldName, const UnicodeString* valueArray, int32_t size) { 290 ScopedLocalRef<jobjectArray> result(env, env->NewObjectArray(size, JniConstants::stringClass, NULL)); 291 for (int32_t i = 0; i < size ; i++) { 292 ScopedLocalRef<jstring> s(env, env->NewString(valueArray[i].getBuffer(),valueArray[i].length())); 293 if (env->ExceptionCheck()) { 294 return; 295 } 296 env->SetObjectArrayElement(result.get(), i, s.get()); 297 if (env->ExceptionCheck()) { 298 return; 299 } 300 } 301 setStringArrayField(env, obj, fieldName, result.get()); 302} 303 304static void setStringField(JNIEnv* env, jobject obj, const char* fieldName, UResourceBundle* bundle, int index) { 305 UErrorCode status = U_ZERO_ERROR; 306 int charCount; 307 const UChar* chars = ures_getStringByIndex(bundle, index, &charCount, &status); 308 if (U_SUCCESS(status)) { 309 setStringField(env, obj, fieldName, env->NewString(chars, charCount)); 310 } else { 311 ALOGE("Error setting String field %s from ICU resource: %s", fieldName, u_errorName(status)); 312 } 313} 314 315static void setCharField(JNIEnv* env, jobject obj, const char* fieldName, const UnicodeString& value) { 316 if (value.length() == 0) { 317 return; 318 } 319 jfieldID fid = env->GetFieldID(JniConstants::localeDataClass, fieldName, "C"); 320 env->SetCharField(obj, fid, value.charAt(0)); 321} 322 323static void setStringField(JNIEnv* env, jobject obj, const char* fieldName, const UnicodeString& value) { 324 const UChar* chars = value.getBuffer(); 325 setStringField(env, obj, fieldName, env->NewString(chars, value.length())); 326} 327 328static void setNumberPatterns(JNIEnv* env, jobject obj, jstring locale) { 329 UErrorCode status = U_ZERO_ERROR; 330 Locale localeObj = getLocale(env, locale); 331 332 UnicodeString pattern; 333 UniquePtr<DecimalFormat> fmt(static_cast<DecimalFormat*>(NumberFormat::createInstance(localeObj, UNUM_CURRENCY, status))); 334 pattern = fmt->toPattern(pattern.remove()); 335 setStringField(env, obj, "currencyPattern", pattern); 336 337 fmt.reset(static_cast<DecimalFormat*>(NumberFormat::createInstance(localeObj, UNUM_DECIMAL, status))); 338 pattern = fmt->toPattern(pattern.remove()); 339 setStringField(env, obj, "numberPattern", pattern); 340 341 fmt.reset(static_cast<DecimalFormat*>(NumberFormat::createInstance(localeObj, UNUM_PERCENT, status))); 342 pattern = fmt->toPattern(pattern.remove()); 343 setStringField(env, obj, "percentPattern", pattern); 344} 345 346static void setDecimalFormatSymbolsData(JNIEnv* env, jobject obj, jstring locale) { 347 UErrorCode status = U_ZERO_ERROR; 348 Locale localeObj = getLocale(env, locale); 349 DecimalFormatSymbols dfs(localeObj, status); 350 351 setCharField(env, obj, "decimalSeparator", dfs.getSymbol(DecimalFormatSymbols::kDecimalSeparatorSymbol)); 352 setCharField(env, obj, "groupingSeparator", dfs.getSymbol(DecimalFormatSymbols::kGroupingSeparatorSymbol)); 353 setCharField(env, obj, "patternSeparator", dfs.getSymbol(DecimalFormatSymbols::kPatternSeparatorSymbol)); 354 setCharField(env, obj, "percent", dfs.getSymbol(DecimalFormatSymbols::kPercentSymbol)); 355 setCharField(env, obj, "perMill", dfs.getSymbol(DecimalFormatSymbols::kPerMillSymbol)); 356 setCharField(env, obj, "monetarySeparator", dfs.getSymbol(DecimalFormatSymbols::kMonetarySeparatorSymbol)); 357 setCharField(env, obj, "minusSign", dfs.getSymbol(DecimalFormatSymbols:: kMinusSignSymbol)); 358 setStringField(env, obj, "exponentSeparator", dfs.getSymbol(DecimalFormatSymbols::kExponentialSymbol)); 359 setStringField(env, obj, "infinity", dfs.getSymbol(DecimalFormatSymbols::kInfinitySymbol)); 360 setStringField(env, obj, "NaN", dfs.getSymbol(DecimalFormatSymbols::kNaNSymbol)); 361 setCharField(env, obj, "zeroDigit", dfs.getSymbol(DecimalFormatSymbols::kZeroDigitSymbol)); 362} 363 364static jboolean ICU_initLocaleDataImpl(JNIEnv* env, jclass, jstring locale, jobject localeData) { 365 ScopedUtfChars localeName(env, locale); 366 if (localeName.c_str() == NULL) { 367 return JNI_FALSE; 368 } 369 370 // Get DateTimePatterns 371 UErrorCode status; 372 char currentLocale[ULOC_FULLNAME_CAPACITY]; 373 int32_t localeNameLen = 0; 374 if (localeName.size() >= ULOC_FULLNAME_CAPACITY) { 375 return JNI_FALSE; // Exceed ICU defined limit of the whole locale ID. 376 } 377 strcpy(currentLocale, localeName.c_str()); 378 do { 379 status = U_ZERO_ERROR; 380 ScopedResourceBundle root(ures_open(NULL, currentLocale, &status)); 381 if (U_FAILURE(status)) { 382 if (localeNameLen == 0) { 383 break; // No parent locale, report this error outside the loop. 384 } else { 385 status = U_ZERO_ERROR; 386 continue; // get parent locale. 387 } 388 } 389 ScopedResourceBundle calendar(ures_getByKey(root.get(), "calendar", NULL, &status)); 390 if (U_FAILURE(status)) { 391 status = U_ZERO_ERROR; 392 continue; // get parent locale. 393 } 394 395 ScopedResourceBundle gregorian(ures_getByKey(calendar.get(), "gregorian", NULL, &status)); 396 if (U_FAILURE(status)) { 397 status = U_ZERO_ERROR; 398 continue; // get parent locale. 399 } 400 ScopedResourceBundle dateTimePatterns(ures_getByKey(gregorian.get(), "DateTimePatterns", NULL, &status)); 401 if (U_SUCCESS(status)) { 402 setStringField(env, localeData, "fullTimeFormat", dateTimePatterns.get(), 0); 403 setStringField(env, localeData, "longTimeFormat", dateTimePatterns.get(), 1); 404 setStringField(env, localeData, "mediumTimeFormat", dateTimePatterns.get(), 2); 405 setStringField(env, localeData, "shortTimeFormat", dateTimePatterns.get(), 3); 406 setStringField(env, localeData, "fullDateFormat", dateTimePatterns.get(), 4); 407 setStringField(env, localeData, "longDateFormat", dateTimePatterns.get(), 5); 408 setStringField(env, localeData, "mediumDateFormat", dateTimePatterns.get(), 6); 409 setStringField(env, localeData, "shortDateFormat", dateTimePatterns.get(), 7); 410 break; 411 } else { 412 status = U_ZERO_ERROR; // get parent locale. 413 } 414 } while((localeNameLen = uloc_getParent(currentLocale, currentLocale, sizeof(currentLocale), &status)) >= 0); 415 if (U_FAILURE(status)) { 416 ALOGE("Error getting ICU resource bundle: %s", u_errorName(status)); 417 return JNI_FALSE; 418 } 419 420 status = U_ZERO_ERROR; 421 Locale localeObj = getLocale(env, locale); 422 423 UniquePtr<Calendar> cal(Calendar::createInstance(localeObj, status)); 424 if (U_FAILURE(status)) { 425 return JNI_FALSE; 426 } 427 setIntegerField(env, localeData, "firstDayOfWeek", cal->getFirstDayOfWeek()); 428 setIntegerField(env, localeData, "minimalDaysInFirstWeek", cal->getMinimalDaysInFirstWeek()); 429 430 // Get DateFormatSymbols 431 status = U_ZERO_ERROR; 432 DateFormatSymbols dateFormatSym(localeObj, status); 433 if (U_FAILURE(status)) { 434 return JNI_FALSE; 435 } 436 int32_t count = 0; 437 // Get AM/PM marker 438 const UnicodeString* amPmStrs = dateFormatSym.getAmPmStrings(count); 439 setStringArrayField(env, localeData, "amPm", amPmStrs, count); 440 const UnicodeString* erasStrs = dateFormatSym.getEras(count); 441 setStringArrayField(env, localeData, "eras", erasStrs, count); 442 443 const UnicodeString* longMonthNames = 444 dateFormatSym.getMonths(count, DateFormatSymbols::FORMAT, DateFormatSymbols::WIDE); 445 setStringArrayField(env, localeData, "longMonthNames", longMonthNames, count); 446 const UnicodeString* shortMonthNames = 447 dateFormatSym.getMonths(count, DateFormatSymbols::FORMAT, DateFormatSymbols::ABBREVIATED); 448 setStringArrayField(env, localeData, "shortMonthNames", shortMonthNames, count); 449 const UnicodeString* tinyMonthNames = 450 dateFormatSym.getMonths(count, DateFormatSymbols::FORMAT, DateFormatSymbols::NARROW); 451 setStringArrayField(env, localeData, "tinyMonthNames", tinyMonthNames, count); 452 const UnicodeString* longWeekdayNames = 453 dateFormatSym.getWeekdays(count, DateFormatSymbols::FORMAT, DateFormatSymbols::WIDE); 454 setStringArrayField(env, localeData, "longWeekdayNames", longWeekdayNames, count); 455 const UnicodeString* shortWeekdayNames = 456 dateFormatSym.getWeekdays(count, DateFormatSymbols::FORMAT, DateFormatSymbols::ABBREVIATED); 457 setStringArrayField(env, localeData, "shortWeekdayNames", shortWeekdayNames, count); 458 const UnicodeString* tinyWeekdayNames = 459 dateFormatSym.getWeekdays(count, DateFormatSymbols::FORMAT, DateFormatSymbols::NARROW); 460 setStringArrayField(env, localeData, "tinyWeekdayNames", tinyWeekdayNames, count); 461 462 const UnicodeString* longStandAloneMonthNames = 463 dateFormatSym.getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE); 464 setStringArrayField(env, localeData, "longStandAloneMonthNames", longStandAloneMonthNames, count); 465 const UnicodeString* shortStandAloneMonthNames = 466 dateFormatSym.getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED); 467 setStringArrayField(env, localeData, "shortStandAloneMonthNames", shortStandAloneMonthNames, count); 468 const UnicodeString* tinyStandAloneMonthNames = 469 dateFormatSym.getMonths(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::NARROW); 470 setStringArrayField(env, localeData, "tinyStandAloneMonthNames", tinyStandAloneMonthNames, count); 471 const UnicodeString* longStandAloneWeekdayNames = 472 dateFormatSym.getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::WIDE); 473 setStringArrayField(env, localeData, "longStandAloneWeekdayNames", longStandAloneWeekdayNames, count); 474 const UnicodeString* shortStandAloneWeekdayNames = 475 dateFormatSym.getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::ABBREVIATED); 476 setStringArrayField(env, localeData, "shortStandAloneWeekdayNames", shortStandAloneWeekdayNames, count); 477 const UnicodeString* tinyStandAloneWeekdayNames = 478 dateFormatSym.getWeekdays(count, DateFormatSymbols::STANDALONE, DateFormatSymbols::NARROW); 479 setStringArrayField(env, localeData, "tinyStandAloneWeekdayNames", tinyStandAloneWeekdayNames, count); 480 481 status = U_ZERO_ERROR; 482 483 // For numberPatterns and symbols. 484 setNumberPatterns(env, localeData, locale); 485 setDecimalFormatSymbolsData(env, localeData, locale); 486 487 jstring countryCode = env->NewStringUTF(Locale::createFromName(localeName.c_str()).getCountry()); 488 jstring internationalCurrencySymbol = ICU_getCurrencyCode(env, NULL, countryCode); 489 env->DeleteLocalRef(countryCode); 490 countryCode = NULL; 491 492 jstring currencySymbol = NULL; 493 if (internationalCurrencySymbol != NULL) { 494 currencySymbol = ICU_getCurrencySymbol(env, NULL, locale, internationalCurrencySymbol); 495 } else { 496 internationalCurrencySymbol = env->NewStringUTF("XXX"); 497 } 498 if (currencySymbol == NULL) { 499 // This is the UTF-8 encoding of U+00A4 (CURRENCY SIGN). 500 currencySymbol = env->NewStringUTF("\xc2\xa4"); 501 } 502 setStringField(env, localeData, "currencySymbol", currencySymbol); 503 setStringField(env, localeData, "internationalCurrencySymbol", internationalCurrencySymbol); 504 505 return JNI_TRUE; 506} 507 508static jstring ICU_toLowerCase(JNIEnv* env, jclass, jstring javaString, jstring localeName) { 509 ScopedJavaUnicodeString scopedString(env, javaString); 510 UnicodeString& s(scopedString.unicodeString()); 511 UnicodeString original(s); 512 s.toLower(Locale::createFromName(ScopedUtfChars(env, localeName).c_str())); 513 return s == original ? javaString : env->NewString(s.getBuffer(), s.length()); 514} 515 516static jstring ICU_toUpperCase(JNIEnv* env, jclass, jstring javaString, jstring localeName) { 517 ScopedJavaUnicodeString scopedString(env, javaString); 518 UnicodeString& s(scopedString.unicodeString()); 519 UnicodeString original(s); 520 s.toUpper(Locale::createFromName(ScopedUtfChars(env, localeName).c_str())); 521 return s == original ? javaString : env->NewString(s.getBuffer(), s.length()); 522} 523 524static jstring versionString(JNIEnv* env, const UVersionInfo& version) { 525 char versionString[U_MAX_VERSION_STRING_LENGTH]; 526 u_versionToString(const_cast<UVersionInfo&>(version), &versionString[0]); 527 return env->NewStringUTF(versionString); 528} 529 530static jstring ICU_getIcuVersion(JNIEnv* env, jclass) { 531 UVersionInfo icuVersion; 532 u_getVersion(icuVersion); 533 return versionString(env, icuVersion); 534} 535 536static jstring ICU_getUnicodeVersion(JNIEnv* env, jclass) { 537 UVersionInfo unicodeVersion; 538 u_getUnicodeVersion(unicodeVersion); 539 return versionString(env, unicodeVersion); 540} 541 542 543struct EnumerationCounter { 544 const size_t count; 545 EnumerationCounter(size_t count) : count(count) {} 546 size_t operator()() { return count; } 547}; 548struct EnumerationGetter { 549 UEnumeration* e; 550 UErrorCode* status; 551 EnumerationGetter(UEnumeration* e, UErrorCode* status) : e(e), status(status) {} 552 const UChar* operator()(int32_t* charCount) { return uenum_unext(e, charCount, status); } 553}; 554static jobject ICU_getAvailableCurrencyCodes(JNIEnv* env, jclass) { 555 UErrorCode status = U_ZERO_ERROR; 556 UEnumeration* e(ucurr_openISOCurrencies(UCURR_COMMON|UCURR_NON_DEPRECATED, &status)); 557 EnumerationCounter counter(uenum_count(e, &status)); 558 if (maybeThrowIcuException(env, "uenum_count", status)) { 559 return NULL; 560 } 561 EnumerationGetter getter(e, &status); 562 jobject result = toStringArray16(env, &counter, &getter); 563 maybeThrowIcuException(env, "uenum_unext", status); 564 uenum_close(e); 565 return result; 566} 567 568static JNINativeMethod gMethods[] = { 569 NATIVE_METHOD(ICU, addLikelySubtags, "(Ljava/lang/String;)Ljava/lang/String;"), 570 NATIVE_METHOD(ICU, getAvailableBreakIteratorLocalesNative, "()[Ljava/lang/String;"), 571 NATIVE_METHOD(ICU, getAvailableCalendarLocalesNative, "()[Ljava/lang/String;"), 572 NATIVE_METHOD(ICU, getAvailableCollatorLocalesNative, "()[Ljava/lang/String;"), 573 NATIVE_METHOD(ICU, getAvailableCurrencyCodes, "()[Ljava/lang/String;"), 574 NATIVE_METHOD(ICU, getAvailableDateFormatLocalesNative, "()[Ljava/lang/String;"), 575 NATIVE_METHOD(ICU, getAvailableLocalesNative, "()[Ljava/lang/String;"), 576 NATIVE_METHOD(ICU, getAvailableNumberFormatLocalesNative, "()[Ljava/lang/String;"), 577 NATIVE_METHOD(ICU, getCurrencyCode, "(Ljava/lang/String;)Ljava/lang/String;"), 578 NATIVE_METHOD(ICU, getCurrencyDisplayName, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"), 579 NATIVE_METHOD(ICU, getCurrencyFractionDigits, "(Ljava/lang/String;)I"), 580 NATIVE_METHOD(ICU, getCurrencySymbol, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"), 581 NATIVE_METHOD(ICU, getDisplayCountryNative, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"), 582 NATIVE_METHOD(ICU, getDisplayLanguageNative, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"), 583 NATIVE_METHOD(ICU, getDisplayVariantNative, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"), 584 NATIVE_METHOD(ICU, getISO3CountryNative, "(Ljava/lang/String;)Ljava/lang/String;"), 585 NATIVE_METHOD(ICU, getISO3LanguageNative, "(Ljava/lang/String;)Ljava/lang/String;"), 586 NATIVE_METHOD(ICU, getISOCountriesNative, "()[Ljava/lang/String;"), 587 NATIVE_METHOD(ICU, getISOLanguagesNative, "()[Ljava/lang/String;"), 588 NATIVE_METHOD(ICU, getIcuVersion, "()Ljava/lang/String;"), 589 NATIVE_METHOD(ICU, getScript, "(Ljava/lang/String;)Ljava/lang/String;"), 590 NATIVE_METHOD(ICU, getUnicodeVersion, "()Ljava/lang/String;"), 591 NATIVE_METHOD(ICU, initLocaleDataImpl, "(Ljava/lang/String;Llibcore/icu/LocaleData;)Z"), 592 NATIVE_METHOD(ICU, toLowerCase, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"), 593 NATIVE_METHOD(ICU, toUpperCase, "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;"), 594}; 595void register_libcore_icu_ICU(JNIEnv* env) { 596 std::string path; 597 path = u_getDataDirectory(); 598 path += "/"; 599 path += U_ICUDATA_NAME; 600 path += ".dat"; 601 602 #define FAIL_WITH_STRERROR(s) \ 603 ALOGE("Couldn't " s " '%s': %s", path.c_str(), strerror(errno)); \ 604 abort(); 605 #define MAYBE_FAIL_WITH_ICU_ERROR(s) \ 606 if (status != U_ZERO_ERROR) {\ 607 ALOGE("Couldn't initialize ICU (" s "): %s (%s)", u_errorName(status), path.c_str()); \ 608 abort(); \ 609 } 610 611 // Open the file and get its length. 612 ScopedFd fd(open(path.c_str(), O_RDONLY)); 613 if (fd.get() == -1) { 614 FAIL_WITH_STRERROR("open"); 615 } 616 struct stat sb; 617 if (fstat(fd.get(), &sb) == -1) { 618 FAIL_WITH_STRERROR("stat"); 619 } 620 621 // Map it. 622 void* data = mmap(NULL, sb.st_size, PROT_READ, MAP_SHARED, fd.get(), 0); 623 if (data == MAP_FAILED) { 624 FAIL_WITH_STRERROR("mmap"); 625 } 626 627 // Tell the kernel that accesses are likely to be random rather than sequential. 628 if (madvise(data, sb.st_size, MADV_RANDOM) == -1) { 629 FAIL_WITH_STRERROR("madvise(MADV_RANDOM)"); 630 } 631 632 // Tell ICU to use our memory-mapped data. 633 UErrorCode status = U_ZERO_ERROR; 634 udata_setCommonData(data, &status); 635 MAYBE_FAIL_WITH_ICU_ERROR("udata_setCommonData"); 636 // Tell ICU it can *only* use our memory-mapped data. 637 udata_setFileAccess(UDATA_NO_FILES, &status); 638 MAYBE_FAIL_WITH_ICU_ERROR("udata_setFileAccess"); 639 640 // Failures to find the ICU data tend to be somewhat obscure because ICU loads its data on first 641 // use, which can be anywhere. Force initialization up front so we can report a nice clear error 642 // and bail. 643 u_init(&status); 644 MAYBE_FAIL_WITH_ICU_ERROR("u_init"); 645 jniRegisterNativeMethods(env, "libcore/icu/ICU", gMethods, NELEM(gMethods)); 646} 647