Java Utililty Methods Calendar Create

List of utility methods to do Calendar Create

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Description

The list of methods to do Calendar Create are organized into topic(s).

Method

CalendargetCalendarAtMidnight(Date d)
Set the given date to a Calendar at midnight. 
Calendar cal = date2Calendar(d);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
return cal;
CalendargetCalendarBefore(int i)
get Calendar Before 
return getCalendarBefore(Calendar.getInstance(), i);
CalendargetCalendarByName(String timeZone)
get Calendar By Name 
timeZone = timeZone.trim();
TimeZone zone = TimeZone.getTimeZone(timeZone);
String id = zone.getID();
if (id.compareTo(timeZone) != 0) {
    throw new IllegalArgumentException("Bad timezone name: '" + timeZone + "'");
return Calendar.getInstance(zone);
CalendargetCalendarBySpecific(int year, int month, int date, int hour)
get Calendar By Specific 
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, month - 1);
calendar.set(Calendar.DAY_OF_MONTH, date);
calendar.set(Calendar.HOUR_OF_DAY, hour);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
...
CalendargetCalendarByValue(String timeZone)
get Calendar By Value 
timeZone = timeZone.trim();
char ch = timeZone.charAt(0);
if (ch == '+' || ch == '-') {
    timeZone = "GMT" + timeZone;
} else if (Character.getType(ch) == Character.DECIMAL_DIGIT_NUMBER) {
    timeZone = "GMT+" + timeZone;
String prefix = timeZone.substring(0, 4);
...
CalendargetCalendarDate()
Retrieve Calendar date. 
final Calendar currentDate = Calendar.getInstance();
currentDate.set(Calendar.SECOND, 0);
return currentDate;
StringgetCalendarDate(Calendar calendar)
get Calendar Date 
String year = String.valueOf(calendar.get(Calendar.YEAR));
String month = String.valueOf(calendar.get(Calendar.MONTH) + 1);
if (month.length() < 2)
    month = "0" + month;
String date = String.valueOf(calendar.get(Calendar.DATE));
if (date.length() < 2)
    date = "0" + date;
String hours = String.valueOf(calendar.get(Calendar.HOUR_OF_DAY));
...
longgetCalendarDateFromToday(final int numDays)
Flips through the Calendar from the current date over the given number of days to fetch the required date in milli seconds. 
Calendar cal = Calendar.getInstance();
cal.setTime(new Date());
cal.add(Calendar.DAY_OF_MONTH, numDays);
return cal.getTimeInMillis();
StringgetCalendarDayString(Calendar date)
returns the month (mm) as a string from a calendar date 
return String.valueOf(date.get(Calendar.DAY_OF_MONTH));
intgetCalendarField(char c)
get Calendar Field 
switch (c) {
case 'y':
    return Calendar.YEAR;
case 'M':
    return Calendar.MONTH;
case 'D':
    return Calendar.DAY_OF_YEAR;
case 'd':
...