| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package libcore.icu; |
| |
| import java.text.DateFormat; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Locale; |
| import libcore.util.Objects; |
| |
| /** |
| * Passes locale-specific from ICU native code to Java. |
| * <p> |
| * Note that you share these; you must not alter any of the fields, nor their array elements |
| * in the case of arrays. If you ever expose any of these things to user code, you must give |
| * them a clone rather than the original. |
| */ |
| public final class LocaleData { |
| // A cache for the locale-specific data. |
| private static final HashMap<String, LocaleData> localeDataCache = new HashMap<String, LocaleData>(); |
| static { |
| // Ensure that we pull in the locale data for the root locale, en_US, and the |
| // user's default locale. (All devices must support the root locale and en_US, |
| // and they're used for various system things like HTTP headers.) Pre-populating |
| // the cache is especially useful on Android because we'll share this via the Zygote. |
| get(Locale.ROOT); |
| get(Locale.US); |
| get(Locale.getDefault()); |
| } |
| |
| // Used by Calendar. |
| public Integer firstDayOfWeek; |
| public Integer minimalDaysInFirstWeek; |
| |
| // Used by DateFormatSymbols. |
| public String[] amPm; // "AM", "PM". |
| public String[] eras; // "BC", "AD". |
| |
| public String[] longMonthNames; // "January", ... |
| public String[] shortMonthNames; // "Jan", ... |
| public String[] tinyMonthNames; // "J", ... |
| public String[] longStandAloneMonthNames; // "January", ... |
| public String[] shortStandAloneMonthNames; // "Jan", ... |
| public String[] tinyStandAloneMonthNames; // "J", ... |
| |
| public String[] longWeekdayNames; // "Sunday", ... |
| public String[] shortWeekdayNames; // "Sun", ... |
| public String[] tinyWeekdayNames; // "S", ... |
| public String[] longStandAloneWeekdayNames; // "Sunday", ... |
| public String[] shortStandAloneWeekdayNames; // "Sun", ... |
| public String[] tinyStandAloneWeekdayNames; // "S", ... |
| |
| // Used by frameworks/base DateSorter and DateUtils. |
| public String yesterday; // "Yesterday". |
| public String today; // "Today". |
| public String tomorrow; // "Tomorrow". |
| |
| public String fullTimeFormat; |
| public String longTimeFormat; |
| public String mediumTimeFormat; |
| public String shortTimeFormat; |
| |
| public String fullDateFormat; |
| public String longDateFormat; |
| public String mediumDateFormat; |
| public String shortDateFormat; |
| |
| // shortDateFormat, but guaranteed to have 4-digit years. |
| // Used by android.text.format.DateFormat.getDateFormatStringForSetting. |
| public String shortDateFormat4; |
| |
| // Used by android.text.format.DateFormat.getTimeFormat. |
| public String timeFormat12; // "hh:mm a" |
| public String timeFormat24; // "HH:mm" |
| |
| // Used by DecimalFormatSymbols. |
| public char zeroDigit; |
| public char decimalSeparator; |
| public char groupingSeparator; |
| public char patternSeparator; |
| public char percent; |
| public char perMill; |
| public char monetarySeparator; |
| public char minusSign; |
| public String exponentSeparator; |
| public String infinity; |
| public String NaN; |
| // Also used by Currency. |
| public String currencySymbol; |
| public String internationalCurrencySymbol; |
| |
| // Used by DecimalFormat and NumberFormat. |
| public String numberPattern; |
| public String integerPattern; |
| public String currencyPattern; |
| public String percentPattern; |
| |
| private LocaleData() { |
| } |
| |
| /** |
| * Returns a shared LocaleData for the given locale. |
| */ |
| public static LocaleData get(Locale locale) { |
| if (locale == null) { |
| locale = Locale.getDefault(); |
| } |
| String localeName = locale.toString(); |
| synchronized (localeDataCache) { |
| LocaleData localeData = localeDataCache.get(localeName); |
| if (localeData != null) { |
| return localeData; |
| } |
| } |
| LocaleData newLocaleData = initLocaleData(locale); |
| synchronized (localeDataCache) { |
| LocaleData localeData = localeDataCache.get(localeName); |
| if (localeData != null) { |
| return localeData; |
| } |
| localeDataCache.put(localeName, newLocaleData); |
| return newLocaleData; |
| } |
| } |
| |
| @Override public String toString() { |
| return Objects.toString(this); |
| } |
| |
| public String getDateFormat(int style) { |
| switch (style) { |
| case DateFormat.SHORT: |
| return shortDateFormat; |
| case DateFormat.MEDIUM: |
| return mediumDateFormat; |
| case DateFormat.LONG: |
| return longDateFormat; |
| case DateFormat.FULL: |
| return fullDateFormat; |
| } |
| throw new AssertionError(); |
| } |
| |
| public String getTimeFormat(int style) { |
| switch (style) { |
| case DateFormat.SHORT: |
| return shortTimeFormat; |
| case DateFormat.MEDIUM: |
| return mediumTimeFormat; |
| case DateFormat.LONG: |
| return longTimeFormat; |
| case DateFormat.FULL: |
| return fullTimeFormat; |
| } |
| throw new AssertionError(); |
| } |
| |
| private static LocaleData initLocaleData(Locale locale) { |
| LocaleData localeData = new LocaleData(); |
| if (!ICU.initLocaleDataNative(locale.toString(), localeData)) { |
| throw new AssertionError("couldn't initialize LocaleData for locale " + locale); |
| } |
| |
| // Get the "h:mm a" and "HH:mm" 12- and 24-hour time format strings. |
| localeData.timeFormat12 = ICU.getBestDateTimePattern("hm", locale.toString()); |
| localeData.timeFormat24 = ICU.getBestDateTimePattern("Hm", locale.toString()); |
| |
| // Fix up a couple of patterns. |
| if (localeData.fullTimeFormat != null) { |
| // There are some full time format patterns in ICU that use the pattern character 'v'. |
| // Java doesn't accept this, so we replace it with 'z' which has about the same result |
| // as 'v', the timezone name. |
| // 'v' -> "PT", 'z' -> "PST", v is the generic timezone and z the standard tz |
| // "vvvv" -> "Pacific Time", "zzzz" -> "Pacific Standard Time" |
| localeData.fullTimeFormat = localeData.fullTimeFormat.replace('v', 'z'); |
| } |
| if (localeData.numberPattern != null) { |
| // The number pattern might contain positive and negative subpatterns. Arabic, for |
| // example, might look like "#,##0.###;#,##0.###-" because the minus sign should be |
| // written last. Macedonian supposedly looks something like "#,##0.###;(#,##0.###)". |
| // (The negative subpattern is optional, though, and not present in most locales.) |
| // By only swallowing '#'es and ','s after the '.', we ensure that we don't |
| // accidentally eat too much. |
| localeData.integerPattern = localeData.numberPattern.replaceAll("\\.[#,]*", ""); |
| } |
| localeData.shortDateFormat4 = localeData.shortDateFormat.replaceAll("\\byy\\b", "y"); |
| return localeData; |
| } |
| } |