Java Utililty Methods Date Clear

Date clearDate(Date date)
clear Date

Calendar c = Calendar.getInstance();
c.setTime(date);
c.set(Calendar.YEAR, 0);
c.set(Calendar.MONTH, 0);
c.set(Calendar.DATE, 0);
return c.getTime();

Date clearDate(Date dateTime)
clear Date

if (dateTime == null) {
 return null;
Calendar cal = Calendar.getInstance();
cal.setTime(dateTime);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
...

Date clearDate(final Date date)
Set hour, minute, second and millisecond to 0.

if (date == null) {
 return null;
final Calendar calendar = GregorianCalendar.getInstance();
calendar.setTime(date);
calendar.set(Calendar.MILLISECOND, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MINUTE, 0);
...

void clearDisplayFileCreationDateCache(final String absolutePath)
Clears cache for "getDisplayFileCreationDate" method for specified file path.

displayFileCreationDateCache.remove(absolutePath);

Date clearHourMinute(Date date)
clear Hour Minute

if (date == null)
 return null;
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.set(Calendar.HOUR, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.MILLISECOND, 0);
return calendar.getTime();
...

Date clearTime(Date date)
clear Time

Calendar calendar = getCalendarFromDate(date);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
return calendar.getTime();

Date clearTime(Date date)
clear Time

Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.clear(Calendar.HOUR_OF_DAY);
cal.clear(Calendar.MINUTE);
cal.clear(Calendar.SECOND);
cal.clear(Calendar.MILLISECOND);
return cal.getTime();

void clearTime(GregorianCalendar date)
Clears the time in a Gregorian calendar date.

date.set(Calendar.HOUR_OF_DAY, 0);
date.set(Calendar.MINUTE, 0);
date.set(Calendar.SECOND, 0);
date.set(Calendar.MILLISECOND, 0);

Date clearTimeComponent(Date date)
Given a Date object, returns a Date object for the same date but with the time component (hours, minutes, seconds & milliseconds) removed

Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
return cal.getTime();