Examples of com.ibm.icu.text.SimpleDateFormat

com.ibm.icu.text.SimpleDateFormat
at the current time. SimpleDateFormat formatter = new SimpleDateFormat ("yyyy.MM.dd G 'at' hh:mm:ss a zzz"); Date currentTime_1 = new Date(); String dateString = formatter.format(currentTime_1);
// Parse the previous string back into a Date. ParsePosition pos = new ParsePosition(0); Date currentTime_2 = formatter.parse(dateString, pos); In the example, the time value currentTime_2 obtained from parsing will be equal to currentTime_1. However, they may not be equal if the am/pm marker 'a' is left out from the format pattern while the "hour in am/pm" pattern symbol is used. This information loss can happen when formatting the time in PM.
When parsing a date string using the abbreviated year pattern ("yy"), SimpleDateFormat must interpret the abbreviated year relative to some century. It does this by adjusting dates to be within 80 years before and 20 years after the time the SimpleDateFormat instance is created. For example, using a pattern of "MM/dd/yy" and a SimpleDateFormat instance created on Jan 1, 1997, the string "01/11/12" would be interpreted as Jan 11, 2012 while the string "05/04/64" would be interpreted as May 4, 1964. During parsing, only strings consisting of exactly two digits, as defined by {@link java.lang.Character#isDigit(char)}, will be parsed into the default century. Any other numeric string, such as a one digit string, a three or more digit string, or a two digit string that isn't all digits (for example, "-1"), is interpreted literally. So "01/02/3" or "01/02/003" are parsed, using the same pattern, as Jan 2, 3 AD. Likewise, "01/02/-3" is parsed as Jan 2, 4 BC.
If the year pattern does not have exactly two 'y' characters, the year is interpreted literally, regardless of the number of digits. So using the pattern "MM/dd/yyyy", "01/11/12" parses to Jan 11, 12 A.D.
When numeric fields abut one another directly, with no intervening delimiter characters, they constitute a run of abutting numeric fields. Such runs are parsed specially. For example, the format "HHmmss" parses the input text "123456" to 12:34:56, parses the input text "12345" to 1:23:45, and fails to parse "1234". In other words, the leftmost field of the run is flexible, while the others keep a fixed width. If the parse fails anywhere in the run, then the leftmost field is shortened by one character, and the entire run is parsed again. This is repeated until either the parse succeeds or the leftmost field is one character in length. If the parse still fails at that point, the parse of the run fails.
For time zones that have no names, use strings GMT+hours:minutes or GMT-hours:minutes.
The calendar defines what is the first day of the week, the first week of the year, whether hours are zero based or not (0 vs 12 or 24), and the time zone. There is one common decimal format to handle all the numbers; the digit count is handled programmatically according to the pattern.
Synchronization
Date formats are not synchronized. It is recommended to create separate format instances for each thread. If multiple threads access a format concurrently, it must be synchronized externally. @see com.ibm.icu.util.Calendar @see com.ibm.icu.util.GregorianCalendar @see com.ibm.icu.util.TimeZone @see DateFormat @see DateFormatSymbols @see DecimalFormat @author Mark Davis, Chen-Lieh Huang, Alan Liu @stable ICU 2.0

  
  public IValue printDateTimeInLocale(IDateTime inputDateTime, IString formatString, IString locale) 
  //@doc{Print an input datetime using a specific locale and format string}
  {
    try {
      SimpleDateFormat sd = new SimpleDateFormat(formatString.getValue(),new ULocale(locale.getValue())); 
      Calendar cal = getCalendarForDateTime(inputDateTime);
      sd.setCalendar(cal);
      return values.string(sd.format(cal.getTime()));
    } catch (IllegalArgumentException iae) {
      throw RuntimeExceptionFactory.dateTimePrintingError("Cannot print datetime using format string: " + formatString.getValue() +
          " in locale: " + locale.getValue(), null, null);
    }
  }

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  public IValue printDateTimeInLocale(IDateTime inputDateTime, IString locale) 
  //@doc{Print an input datetime using a specific locale and a default format string}
  {
    try {
      SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSSZ",new ULocale(locale.getValue())); 
      Calendar cal = getCalendarForDateTime(inputDateTime);
      sd.setCalendar(cal);
      return values.string(sd.format(cal.getTime()));
    } catch (IllegalArgumentException iae) {
      throw RuntimeExceptionFactory.dateTimePrintingError("Cannot print datetime in locale: " + locale.getValue(), null, null);
    }
  }

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        String productStoreId = (String) context.get("productStoreId");
        try {
            Calendar fromDate = Calendar.getInstance();
            Calendar toDate = Calendar.getInstance();
            if (UtilValidate.isNotEmpty(context.get("thruDate"))) {
                SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
                dateFormat.parse(context.get("fromDate").toString());
                fromDate.setTime(dateFormat.parse(context.get("fromDate").toString()));


                SimpleDateFormat dateFormat2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
                dateFormat2.parse(context.get("thruDate").toString());
                toDate.setTime(dateFormat.parse(context.get("thruDate").toString()));
            } else {
                toDate.setTime(UtilDateTime.nowDate());
                fromDate = null;
            }

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        ApiContext apiContext = EbayStoreHelper.getApiContext(productStoreId, locale, delegator);
        try {
            Calendar fromDate = Calendar.getInstance();
            Calendar toDate = Calendar.getInstance();
            if (UtilValidate.isNotEmpty(context.get("thruDate"))) {
                SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
                dateFormat.parse(context.get("fromDate").toString());
                fromDate.setTime(dateFormat.parse(context.get("fromDate").toString()));


                SimpleDateFormat dateFormat2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
                dateFormat2.parse(context.get("thruDate").toString());
                toDate.setTime(dateFormat.parse(context.get("thruDate").toString()));
            } else {
                toDate.setTime(UtilDateTime.nowDate());
                fromDate = null;
            }

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        }
        return isReserve;
    }


    public static String convertDate(Date date, Locale locale) {
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",locale);
        return simpleDateFormat.format(date);
    }

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        this.variant = DATE;
        this.localizedPatterns = new LocaleMap();
    }


    public ConversionResult convertFromString(String value, Locale locale, Convertor.FormatCache formatCache) {
        SimpleDateFormat dateFormat = getDateFormat(locale, formatCache);
        try {
            return new ConversionResult(dateFormat.parse(value));
        } catch (ParseException e) {
            return ConversionResult.create("date." + this.variant);
        }
    }

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            return ConversionResult.create("date." + this.variant);
        }
    }


    public String convertToString(Object value, Locale locale, Convertor.FormatCache formatCache) {
        SimpleDateFormat dateFormat = getDateFormat(locale, formatCache);
        return dateFormat.format((Date)value);
    }

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        SimpleDateFormat dateFormat = getDateFormat(locale, formatCache);
        return dateFormat.format((Date)value);
    }


    private final SimpleDateFormat getDateFormat(Locale locale, Convertor.FormatCache formatCache) {
        SimpleDateFormat dateFormat = null;
        if (formatCache != null)
            dateFormat = (SimpleDateFormat)formatCache.get();
        if (dateFormat == null) {
            dateFormat = getDateFormat(locale);
            if (formatCache != null)

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        }
        return dateFormat;
    }


    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);


        return dateFormat;
    }

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  @Override
  protected void doRun() {
    cacheManager.initCache();
    
    if (!goalsAndPrinciplesOnly)
      gssQuery.setTimestamp(new SimpleDateFormat("MM.dd.yyyy HH:mm:ss z").format(new Date()));
    
    preselector.runWithoutUnicaseCommand();
    
    if (!goalsAndPrinciplesOnly)
    ratingsCalculator.runWithoutUnicaseCommand();

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Examples of com.ibm.icu.text.SimpleDateFormat

Synchronization

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