How to use

getDateInstance

method

in

com.ibm.icu.text.DateFormat

public Preprocess() {
  super("Preprocess", MaryDataType.TOKENS, MaryDataType.WORDS, Locale.ENGLISH);
  this.rbnf = new RuleBasedNumberFormat(ULocale.ENGLISH, RuleBasedNumberFormat.SPELLOUT);
  this.cardinalRule = "%spellout-numbering";
  this.ordinalRule = getOrdinalRuleName(rbnf);
  this.yearRule = getYearRuleName(rbnf);
  this.df = DateFormat.getDateInstance(DateFormat.LONG, ULocale.ENGLISH);
  try {
    this.abbrevMap = loadAbbrevMap();
  } catch (IOException e) {
    e.printStackTrace();
  }
}

  @Override
  public DateFormat call() throws Exception
  {
    return DateFormat.getDateInstance(style, locale);
  }
});

/**
 * Convenience overload.
 * @stable ICU 2.0
 */
static final public DateFormat getDateInstance(Calendar cal, int dateStyle) {
  return getDateInstance(cal, dateStyle, ULocale.getDefault(Category.FORMAT));
}

  @Override
  protected String resolve(TemplateContext context) {
    return DateFormat.getDateInstance().format(new java.util.Date());
  }
}

/**
 * Convenience overload.
 * @stable ICU 2.0
 */
static final public DateFormat getDateInstance(Calendar cal, int dateStyle) {
  return getDateInstance(cal, dateStyle, ULocale.getDefault(Category.FORMAT));
}

  @Override
  protected String resolve(TemplateContext context) {
    return DateFormat.getDateInstance().format(new java.util.Date());
  }
}

/**
 * Creates a {@link DateFormat} object for the default locale that can be used
 * to format dates in the calendar system specified by <code>cal</code>.
 * <p>
 * @param cal   The calendar system for which a date format is desired.
 *
 * @param dateStyle The type of date format desired.  This can be
 *              {@link DateFormat#SHORT}, {@link DateFormat#MEDIUM},
 *              etc.
 * @stable ICU 2.0
 */
static final public DateFormat getDateInstance(Calendar cal, int dateStyle) {
  return getDateInstance(cal, dateStyle, ULocale.getDefault(Category.FORMAT));
}

/**
 * Creates a {@link DateFormat} object that can be used to format dates in
 * the calendar system specified by <code>cal</code>.
 * <p>
 * @param cal   The calendar system for which a date format is desired.
 *
 * @param dateStyle The type of date format desired.  This can be
 *              {@link DateFormat#SHORT}, {@link DateFormat#MEDIUM},
 *              etc.
 *
 * @param locale The locale for which the date format is desired.
 * @stable ICU 3.2
 */
static final public DateFormat getDateInstance(Calendar cal, int dateStyle, ULocale locale)
{
  DateFormat df = getDateInstance(dateStyle, locale);
  df.setCalendar(cal);
  return df;
}

/**
 * Creates a {@link DateFormat} object that can be used to format dates in
 * the calendar system specified by <code>cal</code>.
 * <p>
 * @param cal   The calendar system for which a date format is desired.
 *
 * @param dateStyle The type of date format desired.  This can be
 *              {@link DateFormat#SHORT}, {@link DateFormat#MEDIUM},
 *              etc.
 *
 * @param locale The locale for which the date format is desired.
 * @stable ICU 3.2
 */
static final public DateFormat getDateInstance(Calendar cal, int dateStyle, ULocale locale)
{
  DateFormat df = getDateInstance(dateStyle, locale);
  df.setCalendar(cal);
  return df;
}

/**
 * Creates a {@link DateFormat} object that can be used to format dates in
 * the calendar system specified by <code>cal</code>.
 * <p>
 * @param cal   The calendar system for which a date format is desired.
 *
 * @param dateStyle The type of date format desired.  This can be
 *              {@link DateFormat#SHORT}, {@link DateFormat#MEDIUM},
 *              etc.
 *
 * @param locale The locale for which the date format is desired.
 * @stable ICU 2.0
 */
static final public DateFormat getDateInstance(Calendar cal, int dateStyle, Locale locale)
{
  DateFormat df = getDateInstance(dateStyle, locale);
  df.setCalendar(cal);
  return df;
}

/**
 * Creates a {@link DateFormat} object that can be used to format dates in
 * the calendar system specified by <code>cal</code>.
 * <p>
 * @param cal   The calendar system for which a date format is desired.
 *
 * @param dateStyle The type of date format desired.  This can be
 *              {@link DateFormat#SHORT}, {@link DateFormat#MEDIUM},
 *              etc.
 *
 * @param locale The locale for which the date format is desired.
 * @stable ICU 2.0
 */
static final public DateFormat getDateInstance(Calendar cal, int dateStyle, Locale locale)
{
  DateFormat df = getDateInstance(dateStyle, locale);
  df.setCalendar(cal);
  return df;
}

protected SimpleDateFormat getDateFormat(Locale locale) {
  SimpleDateFormat dateFormat = null;
  if (this.variant.equals(DATE)) {
    //dateFormat = I18nSupport.getInstance().getDateFormat(style, locale);
    dateFormat = (SimpleDateFormat)DateFormat.getDateInstance(style, locale);
  } else if (this.variant.equals(TIME)) {
    //dateFormat = I18nSupport.getInstance().getTimeFormat(style, locale);
    dateFormat = (SimpleDateFormat)DateFormat.getTimeInstance(style, locale);
  } else if (this.variant.equals(DATE_TIME)) {
    //dateFormat = I18nSupport.getInstance().getDateTimeFormat(style, style, locale);
    dateFormat = (SimpleDateFormat)DateFormat.getDateTimeInstance(style, style, locale);
  }
  String pattern = (String)localizedPatterns.get(locale);
  if (pattern != null)
    // Note: this was previously using applyLocalizedPattern() which allows to use
    // a locale-specific pattern syntax, e.g. in french "j" (jour) for "d" and
    // "a" (annee) for "y". But the localized pattern syntax is very little known and thus
    // led to some weird pattern syntax error messages.
    dateFormat.applyPattern(pattern);
  else if (nonLocalizedPattern != null)
    dateFormat.applyPattern(nonLocalizedPattern);
  dateFormat.setLenient(lenient);
  return dateFormat;
}

  private DateFormat getInstance(int dstyle, int tstyle, Locale locale) {
    com.ibm.icu.text.DateFormat icuDfmt;
    ULocale actual = ICULocaleServiceProvider.toULocaleNoSpecialVariant(locale);
    if (dstyle == NONE) {
      icuDfmt = com.ibm.icu.text.DateFormat.getTimeInstance(tstyle, actual);
    } else if (tstyle == NONE) {
      icuDfmt = com.ibm.icu.text.DateFormat.getDateInstance(dstyle, actual);
    } else {
      icuDfmt = com.ibm.icu.text.DateFormat.getDateTimeInstance(dstyle, tstyle, actual);
    }
    if (!(icuDfmt instanceof com.ibm.icu.text.SimpleDateFormat)) {
      // icuDfmt must be always SimpleDateFormat
      return null;
    }

    return SimpleDateFormatICU.wrap((com.ibm.icu.text.SimpleDateFormat)icuDfmt);
  }
}

/**
 * {@icu} Returns a <code>DateFormat</code> appropriate to this calendar.
 * Subclasses wishing to specialize this behavior should override
 * {@link #handleGetDateFormat}.
 * @stable ICU 2.0
 */
public DateFormat getDateTimeFormat(int dateStyle, int timeStyle, Locale loc) {
  if (dateStyle != DateFormat.NONE) {
    if (timeStyle == DateFormat.NONE) {
      return DateFormat.getDateInstance((Calendar)this.clone(), dateStyle, loc);
    } else {
      return DateFormat.getDateTimeInstance((Calendar)this.clone(), dateStyle, timeStyle, loc);
    }
  } else if (timeStyle != DateFormat.NONE) {
    return DateFormat.getTimeInstance((Calendar)this.clone(), timeStyle, loc);
  } else {
    return null;
  }
}

/**
 * {@icu} Returns a <code>DateFormat</code> appropriate to this calendar.
 * Subclasses wishing to specialize this behavior should override
 * {@link #handleGetDateFormat}.
 * @stable ICU 2.0
 */
public DateFormat getDateTimeFormat(int dateStyle, int timeStyle, Locale loc) {
  if (dateStyle != DateFormat.NONE) {
    if (timeStyle == DateFormat.NONE) {
      return DateFormat.getDateInstance((Calendar)this.clone(), dateStyle, loc);
    } else {
      return DateFormat.getDateTimeInstance((Calendar)this.clone(), dateStyle, timeStyle, loc);
    }
  } else if (timeStyle != DateFormat.NONE) {
    return DateFormat.getTimeInstance((Calendar)this.clone(), timeStyle, loc);
  } else {
    return null;
  }
}

private void addICUPatterns(PatternInfo returnInfo, ULocale uLocale) {
  // first load with the ICU patterns
  for (int i = DateFormat.FULL; i <= DateFormat.SHORT; ++i) {
    SimpleDateFormat df = (SimpleDateFormat) DateFormat.getDateInstance(i, uLocale);
    addPattern(df.toPattern(), false, returnInfo);
    df = (SimpleDateFormat) DateFormat.getTimeInstance(i, uLocale);
    addPattern(df.toPattern(), false, returnInfo);
    if (i == DateFormat.SHORT) {
      consumeShortTimePattern(df.toPattern(), returnInfo);
    }
  }
}

DateFormat df = DateFormat.getDateInstance(newStyle, locale);
if (df instanceof SimpleDateFormat) {
  fDateTimeFormat = (SimpleDateFormat)df;

/**
 * This function can be overridden by subclasses to use different heuristics.
 * <b>It MUST return a 'safe' value,
 * one whose modification will not affect this object.</b>
 *
 * @param dateStyle
 * @param timeStyle
 * @draft ICU 3.6
 * @provisional This API might change or be removed in a future release.
 */
protected DateFormat guessDateFormat(int dateStyle, int timeStyle) {
  DateFormat result;
  ULocale dfLocale = getAvailableLocale(TYPE_DATEFORMAT);
  if (dfLocale == null) {
    dfLocale = ULocale.ROOT;
  }
  if (timeStyle == DF_NONE) {
    result = DateFormat.getDateInstance(getCalendar(), dateStyle, dfLocale);
  } else if (dateStyle == DF_NONE) {
    result = DateFormat.getTimeInstance(getCalendar(), timeStyle, dfLocale);
  } else {
    result = DateFormat.getDateTimeInstance(getCalendar(), dateStyle, timeStyle, dfLocale);
  }
  return result;
}

lastDay= new TreeItem(fEditionTree, SWT.NONE);
lastDay.setImage(fDateImage);
String df= DateFormat.getDateInstance().format(date);
long today= dayNumber(System.currentTimeMillis());

lastDay= new TreeItem(fEditionTree, SWT.NONE);
lastDay.setImage(fDateImage);
String df= DateFormat.getDateInstance().format(date);
long today= dayNumber(System.currentTimeMillis());