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/*
 * 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.
 * 

* 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 localeDataCache = new HashMap(); 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; } }





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