private static String[] getDisplayNameArray(int field, boolean isLong, Locale locale) { DateFormatSymbols dfs = new DateFormatSymbols(locale); switch (field) { case Calendar.AM_PM: return dfs.getAmPmStrings(); case Calendar.DAY_OF_WEEK: return isLong ? dfs.getWeekdays() : dfs.getShortWeekdays(); case Calendar.ERA: return dfs.getEras(); case Calendar.MONTH: return isLong ? dfs.getMonths() : dfs.getShortMonths(); } return null; }
/** * Returns a list of Rules given a pattern. * * @return a {@code List} of Rule objects * @throws IllegalArgumentException if pattern is invalid */ protected List<Rule> parsePattern() { DateFormatSymbols symbols = new DateFormatSymbols(mLocale); List<Rule> rules = new ArrayList<Rule>(); String[] ERAs = symbols.getEras(); String[] months = symbols.getMonths(); String[] shortMonths = symbols.getShortMonths(); String[] weekdays = symbols.getWeekdays(); String[] shortWeekdays = symbols.getShortWeekdays(); String[] AmPmStrings = symbols.getAmPmStrings(); int length = mPattern.length(); int[] indexRef = new int[1]; for (int i = 0; i < length; i++) { indexRef[0] = i; String token = parseToken(mPattern, indexRef); i = indexRef[0]; int tokenLen = token.length(); if (tokenLen == 0) { break; } Rule rule; char c = token.charAt(0); switch (c) { case 'G': // era designator (text) rule = new TextField(Calendar.ERA, ERAs); break; case 'y': // year (number) if (tokenLen == 2) { rule = TwoDigitYearField.INSTANCE; } else { rule = selectNumberRule(Calendar.YEAR, tokenLen < 4 ? 4 : tokenLen); } break; case 'M': // month in year (text and number) if (tokenLen >= 4) { rule = new TextField(Calendar.MONTH, months); } else if (tokenLen == 3) { rule = new TextField(Calendar.MONTH, shortMonths); } else if (tokenLen == 2) { rule = TwoDigitMonthField.INSTANCE; } else { rule = UnpaddedMonthField.INSTANCE; } break; case 'd': // day in month (number) rule = selectNumberRule(Calendar.DAY_OF_MONTH, tokenLen); break; case 'h': // hour in am/pm (number, 1..12) rule = new TwelveHourField(selectNumberRule(Calendar.HOUR, tokenLen)); break; case 'H': // hour in day (number, 0..23) rule = selectNumberRule(Calendar.HOUR_OF_DAY, tokenLen); break; case 'm': // minute in hour (number) rule = selectNumberRule(Calendar.MINUTE, tokenLen); break; case 's': // second in minute (number) rule = selectNumberRule(Calendar.SECOND, tokenLen); break; case 'S': // millisecond (number) rule = selectNumberRule(Calendar.MILLISECOND, tokenLen); break; case 'E': // day in week (text) rule = new TextField(Calendar.DAY_OF_WEEK, tokenLen < 4 ? shortWeekdays : weekdays); break; case 'D': // day in year (number) rule = selectNumberRule(Calendar.DAY_OF_YEAR, tokenLen); break; case 'F': // day of week in month (number) rule = selectNumberRule(Calendar.DAY_OF_WEEK_IN_MONTH, tokenLen); break; case 'w': // week in year (number) rule = selectNumberRule(Calendar.WEEK_OF_YEAR, tokenLen); break; case 'W': // week in month (number) rule = selectNumberRule(Calendar.WEEK_OF_MONTH, tokenLen); break; case 'a': // am/pm marker (text) rule = new TextField(Calendar.AM_PM, AmPmStrings); break; case 'k': // hour in day (1..24) rule = new TwentyFourHourField(selectNumberRule(Calendar.HOUR_OF_DAY, tokenLen)); break; case 'K': // hour in am/pm (0..11) rule = selectNumberRule(Calendar.HOUR, tokenLen); break; case 'z': // time zone (text) if (tokenLen >= 4) { rule = new TimeZoneNameRule(mTimeZone, mLocale, TimeZone.LONG); } else { rule = new TimeZoneNameRule(mTimeZone, mLocale, TimeZone.SHORT); } break; case 'Z': // time zone (value) if (tokenLen == 1) { rule = TimeZoneNumberRule.INSTANCE_NO_COLON; } else { rule = TimeZoneNumberRule.INSTANCE_COLON; } break; case '\'': // literal text String sub = token.substring(1); if (sub.length() == 1) { rule = new CharacterLiteral(sub.charAt(0)); } else { rule = new StringLiteral(sub); } break; default: throw new IllegalArgumentException("Illegal pattern component: " + token); } rules.add(rule); } return rules; }
static String describeLocale(String name) { final StringBuilder result = new StringBuilder(); result.append("<html>"); final Locale locale = localeByName(name); result.append("<p>"); append(result, "Display Name", locale.getDisplayName()); append(result, "Localized Display Name", locale.getDisplayName(locale)); if (locale.getLanguage().length() > 0) { String iso3Language = "(not available)"; try { iso3Language = locale.getISO3Language(); } catch (MissingResourceException ignored) { } result.append("<p>"); append(result, "Display Language", locale.getDisplayLanguage()); append(result, "Localized Display Language", locale.getDisplayLanguage(locale)); append(result, "2-Letter Language Code", locale.getLanguage()); append(result, "3-Letter Language Code", iso3Language); } if (locale.getCountry().length() > 0) { String iso3Country = "(not available)"; try { iso3Country = locale.getISO3Country(); } catch (MissingResourceException ignored) { } result.append("<p>"); append(result, "Display Country", locale.getDisplayCountry()); append(result, "Localized Display Country", locale.getDisplayCountry(locale)); append(result, "2-Letter Country Code", locale.getCountry()); append(result, "3-Letter Country Code", iso3Country); } if (locale.getVariant().length() > 0) { result.append("<p>"); append(result, "Display Variant", locale.getDisplayVariant()); append(result, "Localized Display Variant", locale.getDisplayVariant(locale)); append(result, "Variant Code", locale.getVariant()); } result.append("<p><b>Number Formatting</b>"); describeNumberFormat(result, "Decimal", NumberFormat.getInstance(locale), 1234.5, -1234.5); describeNumberFormat(result, "Integer", NumberFormat.getIntegerInstance(locale), 1234, -1234); describeNumberFormat( result, "Currency", NumberFormat.getCurrencyInstance(locale), 1234.5, -1234.5); describeNumberFormat(result, "Percent", NumberFormat.getPercentInstance(locale), 12.3); boolean hasLocaleData = hasLocaleData(); if (!hasLocaleData) { result.append("<p><b>Decimal Format Symbols</b>"); NumberFormat nf = NumberFormat.getInstance(locale); if (nf instanceof DecimalFormat) { describeDecimalFormatSymbols(result, ((DecimalFormat) nf).getDecimalFormatSymbols()); } else { result.append("(Didn't expect " + nf.getClass() + ".)"); } } Date now = new Date(); // FIXME: it might be more useful to always show a time in the afternoon, to // make 24-hour patterns more obvious. result.append("<p><b>Date/Time Formatting</b>"); describeDateFormat( result, "Full Date", DateFormat.getDateInstance(DateFormat.FULL, locale), now); describeDateFormat( result, "Long Date", DateFormat.getDateInstance(DateFormat.LONG, locale), now); describeDateFormat( result, "Medium Date", DateFormat.getDateInstance(DateFormat.MEDIUM, locale), now); describeDateFormat( result, "Short Date", DateFormat.getDateInstance(DateFormat.SHORT, locale), now); result.append("<p>"); describeDateFormat( result, "Full Time", DateFormat.getTimeInstance(DateFormat.FULL, locale), now); describeDateFormat( result, "Long Time", DateFormat.getTimeInstance(DateFormat.LONG, locale), now); describeDateFormat( result, "Medium Time", DateFormat.getTimeInstance(DateFormat.MEDIUM, locale), now); describeDateFormat( result, "Short Time", DateFormat.getTimeInstance(DateFormat.SHORT, locale), now); result.append("<p>"); describeDateFormat( result, "Full Date/Time", DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL, locale), now); describeDateFormat( result, "Long Date/Time", DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, locale), now); describeDateFormat( result, "Medium Date/Time", DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM, locale), now); describeDateFormat( result, "Short Date/Time", DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, locale), now); if (!hasLocaleData) { result.append("<p><b>Date Format Symbols</b><p>"); DateFormat edf = DateFormat.getDateInstance(DateFormat.FULL, Locale.US); DateFormatSymbols edfs = ((SimpleDateFormat) edf).getDateFormatSymbols(); DateFormat df = DateFormat.getDateInstance(DateFormat.FULL, locale); DateFormatSymbols dfs = ((SimpleDateFormat) df).getDateFormatSymbols(); append(result, "Local Pattern Chars", dfs.getLocalPatternChars()); append(result, "Am/pm", Arrays.toString(dfs.getAmPmStrings())); append(result, "Eras", Arrays.toString(dfs.getEras())); append(result, "Months", Arrays.toString(dfs.getMonths())); append(result, "Short Months", Arrays.toString(dfs.getShortMonths())); append(result, "Weekdays", Arrays.toString(dfs.getWeekdays())); append(result, "Short Weekdays", Arrays.toString(dfs.getShortWeekdays())); } result.append("<p><b>Calendar</b><p>"); Calendar c = Calendar.getInstance(locale); int firstDayOfWeek = c.getFirstDayOfWeek(); String firstDayOfWeekString = new DateFormatSymbols(locale).getWeekdays()[firstDayOfWeek]; String englishFirstDayOfWeekString = new DateFormatSymbols(Locale.US).getWeekdays()[firstDayOfWeek]; String firstDayOfWeekDetails = firstDayOfWeek + " '" + firstDayOfWeekString + "'"; if (!englishFirstDayOfWeekString.equals(firstDayOfWeekString)) { firstDayOfWeekDetails += " (" + englishFirstDayOfWeekString + ")"; } append(result, "First Day of the Week", firstDayOfWeekDetails); append(result, "Minimal Days in First Week", c.getMinimalDaysInFirstWeek()); // If this locale specifies a country, check out the currency. // Languages don't have currencies; countries do. if (!locale.getCountry().equals("")) { result.append("<p><b>Currency</b><p>"); try { Currency currency = Currency.getInstance(locale); append(result, "ISO 4217 Currency Code", currency.getCurrencyCode()); append( result, "Currency Symbol", unicodeString(currency.getSymbol(locale)) + " (" + currency.getSymbol(Locale.US) + ")"); append(result, "Default Fraction Digits", currency.getDefaultFractionDigits()); } catch (IllegalArgumentException ex) { result.append( "<p>(This version of Android is unable to return a Currency for this Locale.)"); } } result.append("<p><b>Data Availability</b><p>"); appendAvailability(result, locale, "BreakIterator", BreakIterator.class); appendAvailability(result, locale, "Calendar", NumberFormat.class); appendAvailability(result, locale, "Collator", Collator.class); appendAvailability(result, locale, "DateFormat", DateFormat.class); appendAvailability(result, locale, "DateFormatSymbols", DateFormatSymbols.class); appendAvailability(result, locale, "DecimalFormatSymbols", DecimalFormatSymbols.class); appendAvailability(result, locale, "NumberFormat", NumberFormat.class); if (hasLocaleData) { result.append("<p><b>libcore.icu.LocaleData</b>"); try { Object enUsData = getLocaleDataInstance(Locale.US); Object localeData = getLocaleDataInstance(locale); String[] previous; result.append("<p>"); describeStringArray(result, "amPm", enUsData, localeData, null); describeStringArray(result, "eras", enUsData, localeData, null); result.append("<p>"); previous = describeStringArray(result, "longMonthNames", enUsData, localeData, null); describeStringArray(result, "longStandAloneMonthNames", enUsData, localeData, previous); previous = describeStringArray(result, "shortMonthNames", enUsData, localeData, null); describeStringArray(result, "shortStandAloneMonthNames", enUsData, localeData, previous); previous = describeStringArray(result, "tinyMonthNames", enUsData, localeData, null); describeStringArray(result, "tinyStandAloneMonthNames", enUsData, localeData, previous); result.append("<p>"); previous = describeStringArray(result, "longWeekdayNames", enUsData, localeData, null); describeStringArray(result, "longStandAloneWeekdayNames", enUsData, localeData, previous); previous = describeStringArray(result, "shortWeekdayNames", enUsData, localeData, null); describeStringArray(result, "shortStandAloneWeekdayNames", enUsData, localeData, previous); previous = describeStringArray(result, "tinyWeekdayNames", enUsData, localeData, null); describeStringArray(result, "tinyStandAloneWeekdayNames", enUsData, localeData, previous); result.append("<p>"); describeString(result, "yesterday", enUsData, localeData); describeString(result, "today", enUsData, localeData); describeString(result, "tomorrow", enUsData, localeData); result.append("<p>"); describeString(result, "timeFormat12", enUsData, localeData); describeString(result, "timeFormat24", enUsData, localeData); result.append("<p>"); describeChar(result, "zeroDigit", enUsData, localeData); describeChar(result, "decimalSeparator", enUsData, localeData); describeChar(result, "groupingSeparator", enUsData, localeData); describeChar(result, "patternSeparator", enUsData, localeData); describeChar(result, "percent", enUsData, localeData); describeChar(result, "perMill", enUsData, localeData); describeChar(result, "monetarySeparator", enUsData, localeData); describeChar(result, "minusSign", enUsData, localeData); describeString(result, "exponentSeparator", enUsData, localeData); describeString(result, "infinity", enUsData, localeData); describeString(result, "NaN", enUsData, localeData); } catch (Exception ex) { result.append("(" + ex.getClass().getSimpleName() + " thrown: " + ex.getMessage() + ")"); System.err.println(ex); } } return result.toString(); }