Examples of com.ibm.icu.util.ULocale

com.ibm.icu.util.ULocale
A class analogous to {@link java.util.Locale} that provides additionalsupport for ICU protocol. In ICU 3.0 this class is enhanced to support RFC 3066 language identifiers.
Many classes and services in ICU follow a factory idiom, in which a factory method or object responds to a client request with an object. The request includes a locale (the requested locale), and the returned object is constructed using data for that locale. The system may lack data for the requested locale, in which case the locale fallback mechanism will be invoked until a populated locale is found (the valid locale). Furthermore, even when a populated locale is found (the valid locale), further fallback may be required to reach a locale containing the specific data required by the service (the actual locale).
ULocale performs 'normalization' and 'canonicalization' of locale ids. Normalization 'cleans up' ICU locale ids as follows:
- language, script, country, variant, and keywords are properly cased
  (lower, title, upper, upper, and lower case respectively)
- hyphens used as separators are converted to underscores
- three-letter language and country ids are converted to two-letter equivalents where available
- surrounding spaces are removed from keywords and values
- if there are multiple keywords, they are put in sorted order
Canonicalization additionally performs the following:
- POSIX ids are converted to ICU format IDs
- 'grandfathered' 3066 ids are converted to ICU standard form
- 'PREEURO' and 'EURO' variants are converted to currency keyword form, with the currency id appropriate to the country of the locale (for PREEURO) or EUR (for EURO).
All ULocale constructors automatically normalize the locale id. To handle POSIX ids, canonicalize can be called to convert the id to canonical form, or the canonicalInstance factory method can be called.

This class provides selectors {@link #VALID_LOCALE} and {@link #ACTUAL_LOCALE} intended for use in methods namedgetLocale(). These methods exist in several ICU classes, including {@link com.ibm.icu.util.Calendar}, {@link com.ibm.icu.util.Currency}, {@link com.ibm.icu.text.UFormat}, {@link com.ibm.icu.text.BreakIterator}, {@link com.ibm.icu.text.Collator}, {@link com.ibm.icu.text.DateFormatSymbols}, and {@link com.ibm.icu.text.DecimalFormatSymbols} and their subclasses, ifany. Once an object of one of these classes has been created, getLocale() may be called on it to determine the valid and actual locale arrived at during the object's construction.
Note: The getLocale() method will be implemented in ICU 3.0; ICU 2.8 contains a partial preview implementation. The actual locale is returned correctly, but the valid locale is not, in most cases. @see java.util.Locale @author weiv @author Alan Liu @author Ram Viswanadha @stable ICU 2.8

                Object coll = delegate.createCollator(loc);
                return coll;
            }
                
            public String getDisplayName(String id, ULocale displayLocale) {
                ULocale objectLocale = new ULocale(id);
                return delegate.getDisplayName(objectLocale, displayLocale);
            }


            public Set getSupportedIDs() {
                return delegate.getSupportedLocaleIDs();

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                Object coll = delegate.createCollator(loc);
                return coll;
            }
                
            public String getDisplayName(String id, ULocale displayLocale) {
                ULocale objectLocale = new ULocale(id);
                return delegate.getDisplayName(objectLocale, displayLocale);
            }

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    public void TestRoundtrip() {
        ULocale[] locales;
        if (isQuick()) {
            locales = new ULocale[] {
                    new ULocale("bg_BG"),
                    new ULocale("fr_CA"),
                    new ULocale("zh_TW"),
            };
        } else {
            locales = DateFormat.getAvailableULocales();
        }
        long count = locales.length;

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            !name.equals("GMT+0130") &&
            !name.equals("GMT+130"))
            errln("Fail: Expected GMT+01:30 or something similar");
        
        // cover getDisplayName() - null arg
        ULocale save = ULocale.getDefault();
        ULocale.setDefault(ULocale.US);
        name = zone2.getDisplayName();
        logln("GMT+90min->" + name + "for default display locale");
        if (!name.equals("GMT+01:30") &&
            !name.equals("GMT+1:30") &&

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        Date now = new Date();


        String[] timezones = {"America/Chicago", "Europe/Moscow", "Europe/Rome", "Asia/Shanghai", "WET" };
        String[] locales = {"en", "fr", "de", "ja", "zh_TW", "zh_Hans" };
        for (int j = 0; j < locales.length; ++j) {
            ULocale locale = new ULocale(locales[j]);
            for (int i = 0; i < timezones.length; ++i) {
                TimeZone tz = TimeZone.getTimeZone(timezones[i]);
                String displayName0 = tz.getDisplayName(locale); // doesn't work???
                SimpleDateFormat dt = new SimpleDateFormat("vvvv", locale);
                dt.setTimeZone(tz);
                String displayName1 = dt.format(now);  // date value _does_ matter if we fallback to GMT
                logln(locale.getDisplayName() + ", " + tz.getID() + ": " + displayName0);
                if (!displayName1.equals(displayName0)) {
                    errln(locale.getDisplayName() + ", " + tz.getID() + 
                          ": expected " + displayName1 + " but got: " + displayName0);
                }
            }
        }
    }

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        }
        boolean isICUTimeZone = (TimeZone.getDefaultTimeZoneType() == TimeZone.TIMEZONE_ICU);


        boolean sawAnError = false;
        for (int testNum = 0; testNum < zoneDisplayTestData.length; testNum++) {
            ULocale locale = new ULocale((String)zoneDisplayTestData[testNum][1]);
            TimeZone zone = TimeZone.getTimeZone((String)zoneDisplayTestData[testNum][0]);
            String displayName = zone.getDisplayName(((Boolean)zoneDisplayTestData[testNum][2]).booleanValue(),
                    ((Integer)zoneDisplayTestData[testNum][3]).intValue());
            if (!displayName.equals(zoneDisplayTestData[testNum][4])) {
                if (isReferenceYear

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            return new int[] {
                UCharacter.getPropertyValueEnum(UProperty.SCRIPT,
                                                nameOrAbbrOrLocale)
            };
        } catch (IllegalArgumentException e) {
            return findCodeFromLocale(new ULocale(nameOrAbbrOrLocale));
        }
    }

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   *
   * The default is DIN 5007-1, this shows how to tailor a collator to get DIN 5007-2 behavior.
   *  http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4423383
   */
  public void testCustomRules() throws Exception {
    RuleBasedCollator baseCollator = (RuleBasedCollator) Collator.getInstance(new ULocale("de_DE"));


    String DIN5007_2_tailorings =
      "& ae , a\u0308 & AE , A\u0308"+
      "& oe , o\u0308 & OE , O\u0308"+
      "& ue , u\u0308 & UE , u\u0308";

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public class DateTimeFormatCreator {


  private static class DtfiGenerator {


    private static void buildPatterns(GwtLocale locale, TreeMap<Key, String[]> properties) {
      ULocale ulocale = new ULocale(ULocale.canonicalize(locale.getAsString()));
      DateTimePatternGenerator dtpg = DateTimePatternGenerator.getInstance(ulocale);
      for (Map.Entry<String, String> entry : patterns.entrySet()) {
        properties.put(new Key(locale, "format" + entry.getKey()), new String[] {dtpg
            .getBestPattern(entry.getValue())});
      }

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        }
        catch(DataSourceException e) {
            caught = true;
        }
        assertFalse(caught);
        assertEquals(new ULocale("fr"), dataSourceRequest.getUserLocale());
        assertTrue(dataSourceRequest.isSameOrigin());
        assertEquals(OutputType.CSV, dataSourceRequest.getDataSourceParameters().getOutputType());


        // Test with hl == it, not same-domain.
        dataSourceRequest = null;
        caught = false;
        try {
            HttpServletRequest req = EasyMock.createMock(HttpServletRequest.class);
            EasyMock.expect(req.getParameter("hl")).andReturn("it");
            EasyMock.expect(req.getHeader("X-DataSource-Auth")).andReturn(null);
            EasyMock.expect(req.getParameter("tqx")).andReturn(null);
            EasyMock.expect(req.getParameter("tq")).andReturn(null);
            EasyMock.replay(req);
            dataSourceRequest = new DataSourceRequest(req);
            EasyMock.verify(req);
        }
        catch(DataSourceException e) {
            caught = true;
        }
        assertFalse(caught);
        assertEquals(new ULocale("it"), dataSourceRequest.getUserLocale());
        assertFalse(dataSourceRequest.isSameOrigin());
        assertEquals(OutputType.JSONP, dataSourceRequest.getDataSourceParameters().getOutputType());
    }

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