Java Utililty Methods String to Time

Date getAsDateTime(String dateTime)
get As Date Time

try {
 return new SimpleDateFormat(FORMAT).parse(dateTime);
} catch (ParseException e) {
 throw new IllegalArgumentException(e);

Calendar getCalendarForSpecifiedDate(final String dateTime)
Gets the calendar for specified date.

final Calendar calTime = Calendar.getInstance();
final SimpleDateFormat sdf = new SimpleDateFormat(DATE_FMT_FULL, Locale.ENGLISH);
final Date date = (Date) sdf.parse(dateTime);
calTime.setTime(date);
return calTime;

Calendar getCalendarFromCPEGeneratorDateTime(String cpeDateTime)
Take a value of a cpe dictionary's generator timestamp and return a Calendar object.

Calendar c = null;
String dateFormatString = "yyyy-MM-dd'T'hh:mm:ss";
try {
 SimpleDateFormat sdf = new SimpleDateFormat(dateFormatString);
 Date d = sdf.parse(cpeDateTime);
 c = Calendar.getInstance();
 c.setTime(d);
} catch (Exception e) {
...

Calendar getCalendarFromDate(final String dateTime)

getCalendarFromDate.

final Calendar cal = GregorianCalendar.getInstance();
final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
try {
 final Date date = sdf.parse(dateTime);
 cal.setTime(date);
} catch (final ParseException e) {
 return null;
return cal;

String getDlayDateTime(String playDate, String playTime)
get Dlay Date Time

SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
SimpleDateFormat format1 = new SimpleDateFormat("yyyy-MM-dd");
SimpleDateFormat format2 = new SimpleDateFormat("HH:mm:ss");
StringBuffer sb = new StringBuffer();
try {
 playDate = format1.format(format.parse(playDate));
} catch (ParseException e) {
 e.printStackTrace();
...

String getEndTime(String flag, int value)
get End Time

Calendar calendar = Calendar.getInstance();
if (flag.equals("DAY")) {
 calendar.add(Calendar.DAY_OF_MONTH, -value);
} else if (flag.equals("HOUR")) {
 calendar.add(Calendar.HOUR_OF_DAY, -value);
} else if (flag.equals("MINUTE")) {
 calendar.add(Calendar.MINUTE, -value);
Date dateTime = calendar.getTime();
return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(dateTime);

Date getExecutionDateTime(String input)
get Execution Date Time

return executionFormat.parse(input);

Date getExpireTime(String timeStr)
get Expire Time

SimpleDateFormat formatter = new SimpleDateFormat(dateFormat);
Date date = formatter.parse(timeStr, new ParsePosition(0));
return date;

String getFormerDate(String dateTime)
get Former Date

SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
long dif = df.parse(dateTime).getTime() - 86400 * 1000;
Date date = new Date();
date.setTime(dif);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(date);

String getIdByTime(String name)
get Id By Time

return name + "-" + getCurrDate() + "-" + getCurrTime() + "-" + getRandomNumber();