Java Utililty Methods Month of Year

List of utility methods to do Month of Year

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Description

The list of methods to do Month of Year are organized into topic(s).

Method

StringgetOntologyURIBase(String defaultBase, boolean appendYear, boolean appendMonth, boolean appendDay)
get Ontology URI Base 
if (defaultBase != null && defaultBase.trim().length() > 0) {
    if (defaultBase.endsWith("/") == false) {
        defaultBase += "/";
    if (appendYear) {
        int year = Calendar.getInstance().get(Calendar.YEAR);
        defaultBase += year + "/";
        if (appendMonth) {
...
StringgetPreviousDateStringByMonth(int months)
get Previous Date String By Month 
Calendar calendar = Calendar.getInstance();
calendar.add(Calendar.MONTH, -months);
return toDateString(calendar);
int[]getPreviousDay(int year, int month, int day, int days)
get Previous Day 
Calendar calendar = Calendar.getInstance();
calendar.set(year, month - 1, day);
long longDate = (calendar.getTime()).getTime() - (1000 * 60 * 60 * 24 * days);
java.util.Date date = new java.util.Date(longDate);
calendar.setTime(date);
int[] rtn = new int[3];
rtn[0] = calendar.get(Calendar.YEAR);
rtn[1] = calendar.get(Calendar.MONTH) + 1;
...
StringgetPrevMonth(String divisionDate, int day, String outputFormat)
get Prev Month 
Calendar cal = Calendar.getInstance();
cal.set(cal.YEAR, Integer.parseInt(divisionDate.substring(0, 4)));
cal.set(cal.MONTH, Integer.parseInt(divisionDate.substring(4, 6)) - 1);
cal.set(cal.DATE, Integer.parseInt(divisionDate.substring(6, 8)));
cal.add(cal.MONTH, day);
Locale locale = new Locale("KOREAN", "KOREA");
SimpleDateFormat formatter = new SimpleDateFormat(outputFormat, locale);
return formatter.format(cal.getTime());
...
StringgetPreYearMonth()
get Pre Year Month 
int year = getCurrentYear();
int month = getCurrentMonth() - 1;
String yearMonth = "";
if (month == 1) {
    year = year - 1;
    month = 12;
if (month >= 10) {
...
intgetSecondsOfMonth(int year, int month)
get Seconds Of Month 
Calendar calendar = Calendar.getInstance();
calendar.set(year, month, 1, 0, 0, 0);
Calendar calendarNextMonth = (Calendar) calendar.clone();
calendarNextMonth.add(Calendar.MONTH, 1);
return new Long((calendarNextMonth.getTimeInMillis() - calendar.getTimeInMillis()) / 1000).intValue();
Calendar[]getStartAndEndOfMonth(int month, int year)
get Start And End Of Month 
Calendar startDate = Calendar.getInstance();
startDate.set(year, month, 1, 0, 0);
Calendar endDate = Calendar.getInstance();
int days = getDaysInMonth(month, year);
endDate.set(year, month, days, 23, 59);
return new Calendar[] { startDate, endDate };
StringgetStrDayOfWeek(int _year, int _month, int _day)
get Str Day Of Week 
int dayofweek = getDayOfWeek(_year, _month, _day);
String res;
switch (dayofweek) {
case 1:
    res = "Sun";
    break;
case 2:
    res = "Mon";
...
CalendargetThisMonth(int year, int monthIndex)
get This Month 
Calendar thisMonth = Calendar.getInstance();
if (year > 1900)
    thisMonth.set(Calendar.YEAR, year);
else
    thisMonth.set(Calendar.YEAR, 1901);
if (monthIndex >= 0 && monthIndex < 12)
    thisMonth.set(Calendar.MONTH, monthIndex);
else
...
DategetTime(int year, int month, int day)
get Time 
Calendar date = Calendar.getInstance();
date.set(year, month, day, 0, 0, 0);
date.set(Calendar.MILLISECOND, 0);
return date.getTime();