Java Utililty Methods Date Create

Date add24HtoDate(Date date)
add Hto Date

Calendar cal = new GregorianCalendar();
cal.setTime(date);
cal.setTimeInMillis(date.getTime());
cal.add(Calendar.DATE, 1);
return new Date(cal.getTimeInMillis());

Date addTimeToDate(Date date, Date time)
Adds specified time of day to a date.

String dateAndTime = formatDateNoTime(date) + " " + formatTime(time);
ParsePosition pos = new ParsePosition(0);
Date result = dateFormatter1.parse(dateAndTime, pos);
if ((result != null) && (pos.getIndex() < dateAndTime.length()))
 result = null;
return result;

Date buildDate(int y, int m, int d)
build Date

Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, y);
cal.set(Calendar.MONTH, m - 1);
cal.set(Calendar.DAY_OF_MONTH, d);
return cal.getTime();

Date buildDate(String dateAsString)
build Date

try {
 return DATE_FORMATTER.parse(dateAsString);
} catch (Exception e) {
 throw new RuntimeException("Failed to parse date - " + dateAsString, e);

SimpleDateFormat buildDateFormat(final String pattern)
Get a SimpleDateFormat object by given pattern.

SimpleDateFormat simpleDateFormat = simpleDateFormatCache.get();
if (simpleDateFormat == null) {
 simpleDateFormat = new SimpleDateFormat();
 simpleDateFormatCache.set(simpleDateFormat);
simpleDateFormat.applyPattern(pattern);
return simpleDateFormat;

Date buildDatetime(Date datePart, Date hourMinutePart)
build Datetime

String str = formatDate(datePart) + " " + formatHourMinute(hourMinutePart) + ":00.000";
Date result = parseFullDatetime(str);
return result;

Date buildDateTime(String curDate, String curTime, String meridiem)
Build the date object according to the date and time value from the page.

Date newDate = null;
if (curDate != null && !"".equals(curDate.trim()) && curTime != null && !"".equals(curTime.trim())) {
 String dateToParse = curDate + " " + curTime + " " + meridiem;
 DateFormat format = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
 try {
 newDate = format.parse(dateToParse);
 } catch (ParseException paex) {
 newDate = null;
...

String buildDateTimeUTC(Calendar cal)
Builds a dateTime value in UTC from a Calendar value.

SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
f.setTimeZone(TimeZone.getTimeZone("UTC"));
return f.format(cal.getTime());

Date castToDate(Object value)
cast To Date

if (value == null) {
 return null;
if (value instanceof Calendar) {
 return ((Calendar) value).getTime();
if (value instanceof Date) {
 return (Date) value;
...

Calendar create(int year, int month, int date, TimeZone timeZone)
create

Calendar c = Calendar.getInstance(timeZone);
c.set(year, month - 1, date, 0, 0, 0);
c.set(Calendar.MILLISECOND, 0);
return c;