Java Code Examples for java.text.DateFormat#setLenient()

/**
    * Static method to get date-time DateFormat for output. 
    * @param style DateFormat style
    * @param locale locale
    * @param tz time zone
    * @return a DateFormat instance 
    */
public static DateFormat getLocaleDateTimeFormat(int style, Locale locale, TimeZone tz) {
	DateFormat df;
	switch (style) {
	case DateFormat.SHORT:
		df = getFormatProvider(locale).getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, locale);
		break;
	case DateFormat.MEDIUM:
		df = getFormatProvider(locale).getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM, locale);
		break;
	case DateFormat.LONG:
		df = getFormatProvider(locale).getDateTimeInstance(DateFormat.SHORT, DateFormat.LONG, locale);
		break;
	default:
		df = getFormatProvider(locale).getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, locale);
	}
	df = BaseLocalizer.convertTo4DigitYear(df, locale);
	df.setLenient(false);
	df.setTimeZone(tz);
	return df;
}
 

/**
*/
  @Override
  public boolean isValidValue(final String value, final ValidationError validationError, final Locale locale) {
      if (StringHelper.containsNonWhitespace(value)) {
          final DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
          df.setLenient(false);
          try {
              df.parse(value.trim());
          } catch (final ParseException e) {
              validationError.setErrorKey(i18nFormElementLabelKey() + ".error");
              return false;
          }
          return true;
      }
      // null values are ok
      return true;
  }
 

@Override
public String normalize(String value) throws NormalizationException {
    try {
        DateFormat in = getLocaleDateFormat(incomingFormat, incomingLocale);

        if (this.timezone != null)
            in.setTimeZone(this.timezone);
        in.setLenient(false);
        Date date = in.parse(value);
        DateFormat out = getLocaleDateFormat(outgoingFormat, outgoingLocale);
        out.setTimeZone(TimeZone.getTimeZone("GMT"));
        return out.format(date);
    } catch (Throwable t) {
        throw new NormalizationException(t);
    }
}
 

/**
 * Parses a string using {@link SimpleDateFormat} and a given pattern. This
 * method parses a string at the specified parse position and if successful,
 * updates the parse position to the index after the last character used.
 * The parsing is strict and requires months to be less than 12, days to be
 * less than 31, etc.
 *
 * @param s       string to be parsed
 * @param dateFormat Date format
 * @param tz      time zone in which to interpret string. Defaults to the Java
 *                default time zone
 * @param pp      position to start parsing from
 * @return a Calendar initialized with the parsed value, or null if parsing
 * failed. If returned, the Calendar is configured to the GMT time zone.
 */
private static Calendar parseDateFormat(String s, DateFormat dateFormat,
    TimeZone tz, ParsePosition pp) {
  if (tz == null) {
    tz = DEFAULT_ZONE;
  }
  Calendar ret = Calendar.getInstance(tz, Locale.ROOT);
  dateFormat.setCalendar(ret);
  dateFormat.setLenient(false);

  final Date d = dateFormat.parse(s, pp);
  if (null == d) {
    return null;
  }
  ret.setTime(d);
  ret.setTimeZone(UTC_ZONE);
  return ret;
}
 

/**
    * Static method to get time-only DateFormat for output.
    * @param style DateFormat style
    * @param locale locale
    * @param tz time zone
    * @return a DateFormat.
    */
public static DateFormat getLocaleTimeFormat(int style, Locale locale, TimeZone tz) {
	DateFormat df;
	switch (style) {
	case DateFormat.SHORT:
		df = getFormatProvider(locale).getTimeInstance(DateFormat.SHORT, locale);
		break;
	case DateFormat.MEDIUM:
		df = getFormatProvider(locale).getTimeInstance(DateFormat.MEDIUM, locale);
		break;
	case DateFormat.LONG:
		df = getFormatProvider(locale).getTimeInstance(DateFormat.LONG, locale);
		break;
	default:
		df = getFormatProvider(locale).getTimeInstance(DateFormat.SHORT, locale);

	}
	df = BaseLocalizer.convertTo4DigitYear(df, locale);
	df.setLenient(false);
	df.setTimeZone(tz);
	return df;
}
 

/** 解析全局配置参数，并且返回其{@link Date}形式对象。第二个参数为默认值。 */
public Date getDate(final String name, final String format, final Date defaultValue) {
    String oriData = this.getToType(name, String.class);
    if (oriData == null || oriData.length() == 0) {
        return defaultValue;
    }
    //
    DateFormat dateFormat = new SimpleDateFormat(format);
    ParsePosition pos = new ParsePosition(0);
    dateFormat.setLenient(false);
    Date parsedDate = dateFormat.parse(oriData, pos); // ignore the result (use the Calendar)
    if (pos.getErrorIndex() >= 0 || pos.getIndex() != oriData.length() || parsedDate == null) {
        return defaultValue;
    } else {
        return parsedDate;
    }
}
 

private Object transformToDate(String fieldStringValue) {
  // DATE
  DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
  df.setLenient(true);
  Object fieldValue;
  try {
    fieldValue = df.parse(fieldStringValue);
  } catch (ParseException pe) {
    fieldValue = null;
  }
  return fieldValue;
}
 

private static Date parseDate(String s) {
    for (DateFormat currentFomat : DATE_FORMATS) {
        synchronized (currentFomat) {
            currentFomat.setLenient(false);
            Date result = currentFomat.parse(s, new ParsePosition(0));
            if (result != null) {
                return result;
            }
        }
    }
    return null;
}
 

@Test(dataProvider="lenientEra")
public void testLenientEra(String lenient, String strict) throws Exception {
    Calendar c = new Calendar.Builder()
        .setCalendarType("japanese")
        .build();
    DateFormat df = new SimpleDateFormat("GGGG y-M-d", Locale.ROOT);
    df.setCalendar(c);
    Date lenDate = df.parse(lenient + "-01-01");
    df.setLenient(false);
    Date strDate = df.parse(strict + "-01-01");
    assertEquals(lenDate, strDate);
}
 

public static boolean isDateValid(String date, String dateFormat) 
{
        try {
            DateFormat df = new SimpleDateFormat(dateFormat);
            df.setLenient(false); 
            df.parse(date);
            return true;
        } catch (ParseException e) {
            return false;
        }
}
 

@Override protected DateFormat initialValue() {
  // RFC 2616 specified: RFC 822, updated by RFC 1123 format with fixed GMT.
  DateFormat rfc1123 = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss 'GMT'", Locale.US);
  rfc1123.setLenient(false);
  rfc1123.setTimeZone(UTC);
  return rfc1123;
}
 

static DateFormat timeFormatter()
{
	DateFormat rv = new SimpleDateFormat("hh:mm a");
	rv.setLenient(false);
	return rv;
}
 

public static Date parserDate(String date) throws ParseException {
    DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
    dateFormat.setLenient(false);
    return dateFormat.parse(date);
}
 

@Override protected DateFormat initialValue()
{
   DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
   df.setLenient(false);
   return df;
}
 

@InitBinder
public void initBinder(WebDataBinder binder) {
	DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
	dateFormat.setLenient(true);
	binder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, true));
}
 

/**
 * This form of getLocalDateTimeFormat is used to render times in a specific locale. Used to send event notification emails
 * 
 * @param locale locale
 * @param tz time zone
 * @return a DateFormat instance with short time format
 */
public static DateFormat getLocaleTimeFormat(Locale locale, TimeZone tz) {
    DateFormat df = getFormatProvider(locale).getTimeInstance(DateFormat.SHORT, locale);
    df.setLenient(false);
    df.setTimeZone(tz);
    return df;
}
 

/**
 * formats the given date so it is friendly to read
 * 
 * @param d
 *            the date
 * @return a String with the formatted date
 */
public String formatDate(Date d) {
    DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
    df.setLenient(false);
    String da = df.format(d);
    return da;
}
 

/**
 * Static method to get date-only DateFormat for output.  Uses short date format, 4-digit year.
 * Also used by FilterItem to get DateFormat to store report dates in US locale.
 * 
 * @param locale lcoale
 * @param tz time zone
 * @return a DateFormat.
 */
public static DateFormat getLocaleDateFormat(Locale locale, TimeZone tz) {
    DateFormat df = BaseLocalizer.convertTo4DigitYear(getFormatProvider(locale).getDateInstance(DateFormat.SHORT,
        locale), locale);
    df.setLenient(false);
    df.setTimeZone(tz);
    return df;
}
 

/**
 * Creates a new instance of a <code>DateFormat</code> for RFC1123 compliant dates.
 * <br>
 * Should be stored for later use but be aware that this DateFormat is not Thread-safe!
 * <br>
 * If you have to deal with dates in this format with JavaScript, it's easy, because the JavaScript
 * Date object has a constructor for strings formatted this way.
 * @return a new instance
 */
public static DateFormat getRfc1123DateFormat() {
    DateFormat format = new SimpleDateFormat(
            "EEE, dd MMM yyyy HH:mm:ss z", Locale.ENGLISH);
    format.setLenient(false);
    format.setTimeZone(TimeZone.getTimeZone("UTC"));
    return format;
}
 

/**
 * Creates a new instance of a <code>DateFormat</code> for RFC1123 compliant dates. <br>
 * Should be stored for later use but be aware that this DateFormat is not Thread-safe! <br>
 * If you have to deal with dates in this format with JavaScript, it's easy, because the JavaScript Date object has
 * a constructor for strings formatted this way.
 *
 * @return a new instance
 */
public static DateFormat getRfc1123DateFormat() {
	final DateFormat format = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.ENGLISH);
	format.setLenient(false);
	format.setTimeZone(TimeZone.getTimeZone("UTC"));
	return format;
}