Java Code Examples for android.icu.util.Calendar#getKeywordValuesForLocale()

private String getCalendarTypeToUse(ULocale uLocale) {
    // Get the correct calendar type
    // TODO: C++ and Java are inconsistent (see #9952).
    String calendarTypeToUse = uLocale.getKeywordValue("calendar");
    if ( calendarTypeToUse == null ) {
        String[] preferredCalendarTypes = Calendar.getKeywordValuesForLocale("calendar", uLocale, true);
        calendarTypeToUse = preferredCalendarTypes[0]; // the most preferred calendar
    }
    if ( calendarTypeToUse == null ) {
        calendarTypeToUse = "gregorian"; // fallback
    }
    return calendarTypeToUse;
}
 

private void setup(ULocale locale) {
    int DEFAULT_HASH_SIZE = 19;
    fIntervalPatterns = new HashMap<String, Map<String, PatternInfo>>(DEFAULT_HASH_SIZE);
    // initialize to guard if there is no interval date format defined in
    // resource files
    fFallbackIntervalPattern = "{0} \u2013 {1}";

    try {
        // Get the correct calendar type
        String calendarTypeToUse = locale.getKeywordValue("calendar");
        if ( calendarTypeToUse == null ) {
            String[] preferredCalendarTypes =
                    Calendar.getKeywordValuesForLocale("calendar", locale, true);
            calendarTypeToUse = preferredCalendarTypes[0]; // the most preferred calendar
        }
        if ( calendarTypeToUse == null ) {
            calendarTypeToUse = "gregorian"; // fallback
        }

        // Instantiate the sink to process the data and the resource bundle
        DateIntervalSink sink = new DateIntervalSink(this);
        ICUResourceBundle resource =
                (ICUResourceBundle)UResourceBundle.getBundleInstance(ICUData.ICU_BASE_NAME, locale);

        // Get the fallback pattern
        String fallbackPattern = resource.getStringWithFallback(CALENDAR_KEY + "/" + calendarTypeToUse
                + "/" + INTERVAL_FORMATS_KEY + "/" + FALLBACK_STRING);
        setFallbackIntervalPattern(fallbackPattern);

        // Already loaded calendar types
        Set<String> loadedCalendarTypes = new HashSet<String>();

        while (calendarTypeToUse != null) {
            // Throw an exception when a loop is detected
            if (loadedCalendarTypes.contains(calendarTypeToUse)) {
                throw new ICUException("Loop in calendar type fallback: " + calendarTypeToUse);
            }

            // Register the calendar type to avoid loops
            loadedCalendarTypes.add(calendarTypeToUse);

            // Get all resources for this calendar type
            String pathToIntervalFormats = CALENDAR_KEY + "/" + calendarTypeToUse;
            resource.getAllItemsWithFallback(pathToIntervalFormats, sink);

            // Get next calendar type to load if there was an alias pointing at it
            calendarTypeToUse = sink.getAndResetNextCalendarType();
        }
    } catch ( MissingResourceException e) {
        // Will fallback to {data0} - {date1}
    }
}
 

@Test
public void TestGetKeywordValuesForLocale(){

    // Android patch: Force default Gregorian calendar.
    final String[][] PREFERRED = {
        {"root",        "gregorian"},
        {"und",         "gregorian"},
        {"en_US",       "gregorian"},
        {"en_029",      "gregorian"},
        {"th_TH",       "gregorian", "buddhist"},
        {"und_TH",      "gregorian", "buddhist"},
        {"en_TH",       "gregorian", "buddhist"},
        {"he_IL",       "gregorian", "hebrew", "islamic", "islamic-civil", "islamic-tbla"},
        {"ar_EG",       "gregorian", "coptic", "islamic", "islamic-civil", "islamic-tbla"},
        {"ja",          "gregorian", "japanese"},
        {"ps_Guru_IN",  "gregorian", "indian"},
        {"th@calendar=gregorian",   "gregorian", "buddhist"},
        {"en@calendar=islamic",     "gregorian"},
        {"zh_TW",       "gregorian", "roc", "chinese"},
        {"ar_IR",       "gregorian", "persian", "islamic", "islamic-civil", "islamic-tbla"},
        {"th@rg=SAZZZZ", "gregorian", "islamic-umalqura", "islamic", "islamic-rgsa"},
    };
    // Android patch end.

    String[] ALL = Calendar.getKeywordValuesForLocale("calendar", ULocale.getDefault(), false);
    HashSet ALLSET = new HashSet();
    for (int i = 0; i < ALL.length; i++) {
        ALLSET.add(ALL[i]);
    }

    for (int i = 0; i < PREFERRED.length; i++) {
        ULocale loc = new ULocale(PREFERRED[i][0]);
        String[] expected = new String[PREFERRED[i].length - 1];
        System.arraycopy(PREFERRED[i], 1, expected, 0, expected.length);

        String[] pref = Calendar.getKeywordValuesForLocale("calendar", loc, true);
        boolean matchPref = false;
        if (pref.length == expected.length) {
            matchPref = true;
            for (int j = 0; j < pref.length; j++) {
                if (!pref[j].equals(expected[j])) {
                    matchPref = false;
                }
            }
        }
        if (!matchPref) {
            errln("FAIL: Preferred values for locale " + loc 
                    + " got:" + Arrays.toString(pref) + " expected:" + Arrays.toString(expected));
        }

        String[] all = Calendar.getKeywordValuesForLocale("calendar", loc, false);
        boolean matchAll = false;
        if (all.length == ALLSET.size()) {
            matchAll = true;
            for (int j = 0; j < all.length; j++) {
                if (!ALLSET.contains(all[j])) {
                    matchAll = false;
                    break;
                }
            }
        }
        if (!matchAll) {
            errln("FAIL: All values for locale " + loc
                    + " got:" + Arrays.toString(all)); 
        }
    }
}