Java Code Examples for java.text.DateFormat.getAvailableLocales()

public void Test4106136() {
    Locale saveLocale = Locale.getDefault();
    try {
        Locale[] locales = {Locale.CHINESE, Locale.CHINA};
        for (int i = 0; i < locales.length; ++i) {
            Locale.setDefault(locales[i]);
            int[] n = {
                getAvailableLocales().length,
                DateFormat.getAvailableLocales().length,
                NumberFormat.getAvailableLocales().length};
            for (int j = 0; j < n.length; ++j) {
                if (n[j] == 0) {
                    errln("Fail: No locales for " + locales[i]);
                }
            }
        }
    } finally {
        Locale.setDefault(saveLocale);
    }
}
 

public static void main(String[] args) {
    TimeZone UTC = TimeZone.getTimeZone("UTC");
    TimeZone initTz = TimeZone.getDefault();

    List<String> errors = new ArrayList<>();
    try {
        TimeZone.setDefault(TimeZone.getTimeZone("America/Los_Angeles"));
        for (Locale locale : DateFormat.getAvailableLocales()) {
            // exclude any locales which localize "UTC".
            String utc = UTC.getDisplayName(false, SHORT, locale);
            if (!"UTC".equals(utc)) {
                System.out.println("Skipping " + locale + " due to localized UTC name: " + utc);
                continue;
            }
            SimpleDateFormat fmt = new SimpleDateFormat("z", locale);
            try {
                Date date = fmt.parse("UTC");
                // Parsed one may not exactly be UTC. Universal, UCT, etc. are equivalents.
                if (!fmt.getTimeZone().getID().matches("(Etc/)?(UTC|Universal|UCT|Zulu)")) {
                    errors.add("timezone: " + fmt.getTimeZone().getID()
                               + ", locale: " + locale);
                }
            } catch (ParseException e) {
                errors.add("parse exception: " + e + ", locale: " + locale);
            }
        }
    } finally {
        // Restore the default time zone
        TimeZone.setDefault(initTz);
    }

    if (!errors.isEmpty()) {
        System.out.println("Got unexpected results:");
        for (String s : errors) {
            System.out.println("    " + s);
        }
        throw new RuntimeException("Test failed.");
    } else {
        System.out.println("Test passed.");
    }
}
 

public static void main(String[] args) {
    TimeZone UTC = TimeZone.getTimeZone("UTC");
    TimeZone initTz = TimeZone.getDefault();

    List<String> errors = new ArrayList<>();
    try {
        TimeZone.setDefault(TimeZone.getTimeZone("America/Los_Angeles"));
        for (Locale locale : DateFormat.getAvailableLocales()) {
            // exclude any locales which localize "UTC".
            String utc = UTC.getDisplayName(false, SHORT, locale);
            if (!"UTC".equals(utc)) {
                System.out.println("Skipping " + locale + " due to localized UTC name: " + utc);
                continue;
            }
            SimpleDateFormat fmt = new SimpleDateFormat("z", locale);
            try {
                Date date = fmt.parse("UTC");
                // Parsed one may not exactly be UTC. Universal, UCT, etc. are equivalents.
                if (!fmt.getTimeZone().getID().matches("(Etc/)?(UTC|Universal|UCT|Zulu)")) {
                    errors.add("timezone: " + fmt.getTimeZone().getID()
                               + ", locale: " + locale);
                }
            } catch (ParseException e) {
                errors.add("parse exception: " + e + ", locale: " + locale);
            }
        }
    } finally {
        // Restore the default time zone
        TimeZone.setDefault(initTz);
    }

    if (!errors.isEmpty()) {
        System.out.println("Got unexpected results:");
        for (String s : errors) {
            System.out.println("    " + s);
        }
        throw new RuntimeException("Test failed.");
    } else {
        System.out.println("Test passed.");
    }
}
 

/**
 * Returns an array of all locales for which the <code>getInstance</code>
 * methods of this class can return localized instances.
 * The array returned must contain at least a <code>Locale</code>
 * instance equal to {@link java.util.Locale#US Locale.US}.
 *
 * @return An array of locales for which localized
 *         <code>Calendar</code> instances are available.
 */
public static synchronized Locale[] getAvailableLocales()
{
    return DateFormat.getAvailableLocales();
}
 

/**
 * Returns an array of all locales for which the <code>getInstance</code>
 * methods of this class can return localized instances.
 * The array returned must contain at least a <code>Locale</code>
 * instance equal to {@link java.util.Locale#US Locale.US}.
 *
 * @return An array of locales for which localized
 *         <code>Calendar</code> instances are available.
 */
public static synchronized Locale[] getAvailableLocales()
{
    return DateFormat.getAvailableLocales();
}
 

/**
 * Returns an array of all locales for which the <code>getInstance</code>
 * methods of this class can return localized instances.
 * The array returned must contain at least a <code>Locale</code>
 * instance equal to {@link java.util.Locale#US Locale.US}.
 *
 * @return An array of locales for which localized
 *         <code>Calendar</code> instances are available.
 */
public static synchronized Locale[] getAvailableLocales()
{
    return DateFormat.getAvailableLocales();
}