Examples of java.text.DateFormatSymbols

java.text.DateFormatSymbols
DateFormatSymbols is a public class for encapsulating localizable date-time formatting data, such as the names of the months, the names of the days of the week, and the time zone data. DateFormat and SimpleDateFormat both use DateFormatSymbols to encapsulate this information.
Typically you shouldn't use DateFormatSymbols directly. Rather, you are encouraged to create a date-time formatter with the DateFormat class's factory methods: getTimeInstance, getDateInstance, or getDateTimeInstance. These methods automatically create a DateFormatSymbols for the formatter so that you don't have to. After the formatter is created, you may modify its format pattern using the setPattern method. For more information about creating formatters using DateFormat's factory methods, see {@link DateFormat}.
If you decide to create a date-time formatter with a specific format pattern for a specific locale, you can do so with:
```
 new SimpleDateFormat(aPattern, DateFormatSymbols.getInstance(aLocale)). 
```
DateFormatSymbols objects are cloneable. When you obtain a DateFormatSymbols object, feel free to modify the date-time formatting data. For instance, you can replace the localized date-time format pattern characters with the ones that you feel easy to remember. Or you can change the representative cities to your favorite ones.
New DateFormatSymbols subclasses may be added to support SimpleDateFormat for date-time formatting for additional locales. @see DateFormat @see SimpleDateFormat @see java.util.SimpleTimeZone @version 1.49 12/19/07 @author Chen-Lieh Huang

        SimpleDateFormat f2 = new SimpleDateFormat();
        assertTrue("Wrong class", f2.getClass() == SimpleDateFormat.class);
        assertTrue("Wrong default", f2.equals(DateFormat.getDateTimeInstance(
                DateFormat.SHORT, DateFormat.SHORT, Locale.getDefault())));
        assertTrue("Wrong symbols", f2.getDateFormatSymbols().equals(
                new DateFormatSymbols()));
        assertTrue("Doesn't work",
                f2.format(new Date()).getClass() == String.class);
    }

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        assertTrue("Wrong class", f2.getClass() == SimpleDateFormat.class);
        assertEquals("Wrong pattern", "yyyy", f2.toPattern());
        assertTrue("Wrong locale", f2.equals(new SimpleDateFormat("yyyy",
                Locale.getDefault())));
        assertTrue("Wrong symbols", f2.getDateFormatSymbols().equals(
                new DateFormatSymbols()));
        assertTrue("Doesn't work",
                f2.format(new Date()).getClass() == String.class);


        // Invalid constructor value.
        try {

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     *        java.text.DateFormatSymbols)
     */
    public void test_ConstructorLjava_lang_StringLjava_text_DateFormatSymbols() {
        // Test for method java.text.SimpleDateFormat(java.lang.String,
        // java.text.DateFormatSymbols)
        DateFormatSymbols symbols = new DateFormatSymbols(Locale.ENGLISH);
        symbols.setEras(new String[] { "Before", "After" });
        SimpleDateFormat f2 = new SimpleDateFormat("y'y'yy", symbols);
        assertTrue("Wrong class", f2.getClass() == SimpleDateFormat.class);
        assertEquals("Wrong pattern", "y'y'yy", f2.toPattern());
        assertTrue("Wrong symbols", f2.getDateFormatSymbols().equals(symbols));
        assertTrue("Doesn't work",

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        SimpleDateFormat f2 = new SimpleDateFormat("'yyyy' MM yy",
                Locale.GERMAN);
        assertTrue("Wrong class", f2.getClass() == SimpleDateFormat.class);
        assertEquals("Wrong pattern", "'yyyy' MM yy", f2.toPattern());
        assertTrue("Wrong symbols", f2.getDateFormatSymbols().equals(
                new DateFormatSymbols(Locale.GERMAN)));
        assertTrue("Doesn't work",
                f2.format(new Date()).getClass() == String.class);
    }

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     */
    public void test_getDateFormatSymbols() {
        // Test for method java.text.DateFormatSymbols
        // java.text.SimpleDateFormat.getDateFormatSymbols()
        SimpleDateFormat df = (SimpleDateFormat) DateFormat.getInstance();
        DateFormatSymbols dfs = df.getDateFormatSymbols();
        assertTrue("Symbols identical", dfs != df.getDateFormatSymbols());
    }

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     */
    public void test_setDateFormatSymbolsLjava_text_DateFormatSymbols() {
        // Test for method void
        // java.text.SimpleDateFormat.setDateFormatSymbols(java.text.DateFormatSymbols)
        SimpleDateFormat f1 = new SimpleDateFormat("a");
        DateFormatSymbols symbols = new DateFormatSymbols();
        symbols.setAmPmStrings(new String[] { "morning", "night" });
        f1.setDateFormatSymbols(symbols);
        DateFormatSymbols newSym = f1.getDateFormatSymbols();
        assertTrue("Set incorrectly", newSym.equals(symbols));
        assertTrue("Not a clone", f1.getDateFormatSymbols() != symbols);
        String result = f1.format(new GregorianCalendar(1999, Calendar.JUNE,
                12, 3, 0).getTime());
        assertEquals("Incorrect symbols used", "morning", result);
        symbols.setEras(new String[] { "before", "after" });

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    if (response.wasRendered(key))
    {
      return;
    }


    DateFormatSymbols dfSymbols = DateFormatSymbols.getInstance(locale);
    if (dfSymbols == null)
    {
      dfSymbols = new DateFormatSymbols(locale);
    }


    Map<String, Object> i18nVariables = new LinkedHashMap<>();
    setWidgetProperty(i18nVariables, "MONTHS_SHORT", filterEmpty(dfSymbols.getShortMonths()));
    setWidgetProperty(i18nVariables, "MONTHS_LONG", filterEmpty(dfSymbols.getMonths()));
    setWidgetProperty(i18nVariables, "WEEKDAYS_MEDIUM",
      filterEmpty(dfSymbols.getShortWeekdays()));
    setWidgetProperty(i18nVariables, "WEEKDAYS_LONG", filterEmpty(dfSymbols.getWeekdays()));


    i18nVariables.put("START_WEEKDAY", getFirstDayOfWeek(locale));


    if (Locale.SIMPLIFIED_CHINESE.equals(locale) || Locale.TRADITIONAL_CHINESE.equals(locale))
    {
      setWidgetProperty(i18nVariables, "WEEKDAYS_1CHAR",
        filterEmpty(substring(dfSymbols.getShortWeekdays(), 2, 1)));
      i18nVariables.put("WEEKDAYS_SHORT",
        filterEmpty(substring(dfSymbols.getShortWeekdays(), 2, 1)));
    }
    else
    {
      setWidgetProperty(i18nVariables, "WEEKDAYS_1CHAR",
        filterEmpty(substring(dfSymbols.getShortWeekdays(), 0, 1)));
      setWidgetProperty(i18nVariables, "WEEKDAYS_SHORT",
        filterEmpty(substring(dfSymbols.getShortWeekdays(), 0, 2)));
    }


    StringBuilder i18n = new StringBuilder(key);
    i18n.append('=');
    appendMapping(i18nVariables, i18n);

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        if (!usePattern) {
            formatter = (DateFormat)getFormat(locale);
        } else if (locale == null) {
            formatter = new SimpleDateFormat(pattern);
        } else {
            DateFormatSymbols symbols = new DateFormatSymbols(locale);
            formatter = new SimpleDateFormat(pattern, symbols);
        }
        formatter.setLenient(false);
        return formatter;
    }

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   * @param widgetProperties
   *            the current widget properties
   */
  protected void localize(Map<String, Object> widgetProperties)
  {
    DateFormatSymbols dfSymbols = null;
    if (GETINSTANCEMETHOD != null)
    {
      // try to use JDK 6 DateFormatSymbols.getInstance(Locale)
      try
      {
        dfSymbols = (DateFormatSymbols)GETINSTANCEMETHOD.invoke(null,
            new Object[] { getLocale() });
      }
      catch (Exception e)
      {
        // ignore
      }
    }
    if (dfSymbols == null)
    {
      dfSymbols = new DateFormatSymbols(getLocale());
    }


    setWidgetProperty(widgetProperties, "MONTHS_SHORT", filterEmpty(dfSymbols.getShortMonths()));
    setWidgetProperty(widgetProperties, "MONTHS_LONG", filterEmpty(dfSymbols.getMonths()));
    setWidgetProperty(widgetProperties, "WEEKDAYS_MEDIUM", filterEmpty(dfSymbols
        .getShortWeekdays()));
    setWidgetProperty(widgetProperties, "WEEKDAYS_LONG", filterEmpty(dfSymbols.getWeekdays()));


    widgetProperties.put("START_WEEKDAY", new Integer(Calendar.getInstance(getLocale())
        .getFirstDayOfWeek() - 1));


    if (Locale.SIMPLIFIED_CHINESE.equals(getLocale()) ||
        Locale.TRADITIONAL_CHINESE.equals(getLocale()))
    {
      setWidgetProperty(widgetProperties, "WEEKDAYS_1CHAR", filterEmpty(substring(dfSymbols
          .getShortWeekdays(), 2, 1)));
      widgetProperties.put("WEEKDAYS_SHORT", filterEmpty(substring(dfSymbols
          .getShortWeekdays(), 2, 1)));
    }
    else
    {
      setWidgetProperty(widgetProperties, "WEEKDAYS_1CHAR", filterEmpty(substring(dfSymbols
          .getShortWeekdays(), 0, 1)));
      setWidgetProperty(widgetProperties, "WEEKDAYS_SHORT", filterEmpty(substring(dfSymbols
          .getShortWeekdays(), 0, 2)));
    }
  }

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      try
      {
        ResourceBundle oraElementsData =
          ResourceBundle.getBundle(_ORA_LOCALE_ELEMENTS_BASE, locale);


        DateFormatSymbols syms = new DateFormatSymbols(locale);


        String[] res = oraElementsData.getStringArray("AmPmMarkers");
        if (res != null)
          syms.setAmPmStrings(res);
        res = oraElementsData.getStringArray("Eras");
        if (res != null)
          syms.setEras(res);
        res = oraElementsData.getStringArray("MonthNames");
        if (res != null)
          syms.setMonths(res);
        res = oraElementsData.getStringArray("MonthAbbreviations");
        if (res != null)
          syms.setShortMonths(res);
        res = oraElementsData.getStringArray("DayAbbreviations");
        if (res != null)
          syms.setShortWeekdays(res);
        res = oraElementsData.getStringArray("DayNames");
        if (res != null)
          syms.setWeekdays(res);
        sdf = new SimpleDateFormat(pattern, syms);
      }
      catch (MissingResourceException e)
      {
        // the Oracle resource bundle must be screwed up, just use the default

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