Java Utililty Methods Date Format Check

List of utility methods to do Date Format Check

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Description

The list of methods to do Date Format Check are organized into topic(s).

Method

StringcheckDate(Date date)
Dates handler. 
if (date == null) {
    return ""; 
DateFormat formatter = DateFormat.getDateTimeInstance();
return formatter.format(date);
booleancheckDate(String begingDate, String endDate)
check Date 
boolean boo = true;
Date begin = null;
Date end = null;
DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
if (null == begingDate || "".equals(begingDate)) {
    boo = false;
    return boo;
if (null == endDate || "".equals(endDate)) {
    boo = false;
    return boo;
try {
    begin = df.parse(begingDate);
    end = df.parse(endDate);
} catch (ParseException e) {
    e.printStackTrace();
if (begin.compareTo(end) >= 0) {
    boo = false;
return boo;
booleancheckDate(String deadline)
check Date 
SimpleDateFormat sdf;
sdf = new SimpleDateFormat(DISPLAY_DATE_FORMAT, java.util.Locale.US);
sdf.setLenient(false);
try {
    sdf.parse(deadline);
} catch (ParseException e) {
    return false;
return true;
IntegercheckDateBetween(String time)
check Date Between 
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = sdf.parse(time);
long diff = date.getTime() - new Date().getTime();
long diffHours = diff / (60 * 60 * 1000);
long diffMinutes = diff / (60 * 1000) % 60;
int mins = (int) (diffHours * 60 + diffMinutes);
return mins;
booleancheckDateByMask(String sDateValue, String sDateFormat)
check the date by pattern 
boolean isTrue = false;
if (sDateValue == null || sDateFormat == null || sDateValue.equals(""))
    return false;
if (sDateValue.length() != sDateFormat.length())
    return false;
java.util.Date date = stringToDate(sDateValue, sDateFormat);
Calendar cal = Calendar.getInstance();
cal.setTime(date);
...
voidcheckDateFormat()
check Date Format 
if (dateFormat == null) {
    dateFormat = new SimpleDateFormat(DATE_FORMAT);
voidcheckDateFormat()
check Date Format 
if (_dateFormat == null) {
    _dateFormat = new SimpleDateFormat(DATE_FORMAT_DEFN);
    _dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
    _longTimeFormat = new SimpleDateFormat(LONG_TIME_FORMAT_DEFN);
    _longTimeFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
    _shortTimeFormat = new SimpleDateFormat(SHORT_TIME_FORMAT_DEFN);
    _shortTimeFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
    _fullFormat = new SimpleDateFormat(DATE_FORMAT_DEFN + "Z" + LONG_TIME_FORMAT_DEFN);
...
voidcheckDateFormat(String pattern)
Checks if the date/time format is valid 
new SimpleDateFormat(pattern);
booleancheckDateFormat(String strTime, String pattern)
check Date Format 
if (strTime.length() != pattern.trim().length())
    return false;
try {
    SimpleDateFormat sdf = new SimpleDateFormat(pattern.trim());
    sdf.parse(strTime);
} catch (Exception e) {
    return false;
return true;
booleancheckDateFormatAndValite(String strDateTime, String format)
check Date Format And Valite 
if (strDateTime == null || strDateTime.length() == 0) {
    return false;
SimpleDateFormat sdf = new SimpleDateFormat(format);
try {
    Date ndate = sdf.parse(strDateTime);
    String str = sdf.format(ndate);
    System.out.println("func<checkDateFormatAndValite> strDateTime<" + strDateTime + "> format<" + format
...