Example usage for java.util Calendar before

Introduction

In this page you can find the example usage for java.util Calendar before.

Prototype

public boolean before(Object when)

Source Link

Document

Returns whether this Calendar represents a time before the time represented by the specified Object.

Usage

From source file:Main.java

/**
 * get month between minTime and maxTime, including head and tail
 *
 * @param minTime/* ww w . ja v a2s .  c  om*/
 * @param maxTime
 * @return
 */
public static int getMonthNum(long minTime, long maxTime) {
    Calendar min = Calendar.getInstance();
    min.setTimeInMillis(minTime);
    Calendar max = Calendar.getInstance();
    max.setTimeInMillis(maxTime);
    if (max.before(min)) {
        throw new IllegalArgumentException("max date is before min date");
    }
    int minMonth = min.get(Calendar.MONTH) + 1;
    int maxMonth = max.get(Calendar.MONTH) + 1;
    return (max.get(Calendar.YEAR) - min.get(Calendar.YEAR)) * 12 + maxMonth - minMonth + 1;
}

From source file:Main.java

public static int getUserAge(Date birthDay) {
    Calendar cal = Calendar.getInstance();

    if (cal.before(birthDay)) {
        return 0;
    }/*from w  w w . j  av  a2 s.c om*/
    int yearNow = cal.get(Calendar.YEAR);
    int monthNow = cal.get(Calendar.MONTH);
    int dayOfMonthNow = cal.get(Calendar.DAY_OF_MONTH);
    if (null == birthDay) {
        return 0;
    } else {
        cal.setTime(birthDay);

        int yearBirth = cal.get(Calendar.YEAR);
        int monthBirth = cal.get(Calendar.MONTH);
        int dayOfMonthBirth = cal.get(Calendar.DAY_OF_MONTH);

        int age = yearNow - yearBirth;

        if (monthNow <= monthBirth) {
            if (monthNow == monthBirth) {
                // monthNow==monthBirth
                if (dayOfMonthNow < dayOfMonthBirth) {
                    age--;
                } else {
                    // do nothing
                }
            } else {
                // monthNow>monthBirth
                age--;
            }
        } else {
            // monthNow<monthBirth
            // donothing
        }
        return age;
    }
}

From source file:Main.java

private static boolean isCurrentTimeBeforeConfigedUpdateTime() {
    Calendar current = Calendar.getInstance();
    Calendar configedTime = getTodayAutoPushTime();

    return current.before(configedTime);
}

From source file:Main.java

public static Calendar nextBirthday(Calendar today, Calendar dayOfBirth) {
    Calendar nextBirthday = (Calendar) dayOfBirth.clone();
    nextBirthday.set(Calendar.YEAR, today.get(Calendar.YEAR));
    if (nextBirthday.before(today)) {
        nextBirthday.add(Calendar.YEAR, 1);
    }/* ww w .  j av  a2  s .  co  m*/
    return nextBirthday;
}

From source file:Main.java

/**
 * Checks for the given calendar is in coming 7 days
 * @param calendar/*  w  ww  . j a v a  2  s  .co  m*/
 * @return true if given calendar is in coming week
 */
public static boolean isComingWeek(Calendar calendar) {
    boolean flag = false;
    Calendar calendar2 = Calendar.getInstance();
    calendar2.add(Calendar.DATE, 7);
    if (calendar.before(calendar2)) {
        flag = true;
    }
    return flag;
}

From source file:MainClass.java

public static int diff(Date date1, Date date2) {
    Calendar c1 = Calendar.getInstance();
    Calendar c2 = Calendar.getInstance();

    c1.setTime(date1);//from   w  ww.j  a v  a2  s.c om
    c2.setTime(date2);
    int diffDay = 0;

    if (c1.before(c2)) {
        diffDay = countDiffDay(c1, c2);
    } else {
        diffDay = countDiffDay(c2, c1);
    }

    return diffDay;
}

From source file:Main.java

public static boolean isBrithdayAvable(Long d) {
    if (d == null) {
        return false;
    }//from   w w  w  . j  av  a2  s.  co m
    boolean back = false;
    Calendar c = Calendar.getInstance();
    c.setTimeInMillis(d.longValue());
    Calendar current = Calendar.getInstance();
    if (c.get(Calendar.YEAR) > 1801 && c.before(current)
            && c.get(Calendar.YEAR) <= current.get(Calendar.YEAR)) {
        return true;
    }
    return back;
}

From source file:MainGeneratePicasaIniFile.java

public static long daysBetween(Calendar startDate, Calendar endDate) {
    Calendar date = (Calendar) startDate.clone();
    long daysBetween = 0;
    while (date.before(endDate)) {
        date.add(Calendar.DAY_OF_MONTH, 1);
        daysBetween++;//from www  .  ja  va  2  s  .  com
    }
    return daysBetween;
}

From source file:Main.java

public static int getDayCounts(Date startDate, Date endDate) {
    int days = 0;
    Calendar startCalendar = Calendar.getInstance();
    startCalendar.setTime(startDate);//  www. j  ava 2  s.  c  o m
    Calendar endCalendar = Calendar.getInstance();
    endCalendar.setTime(endDate);
    while (startCalendar.before(endCalendar)) {
        days++;
        startCalendar.add(Calendar.DATE, 1);
    }
    return days;
}

From source file:Main.java

static int dateDiff(int type, Calendar fromDate, Calendar toDate, boolean future) {
    int diff = 0;
    long savedDate = fromDate.getTimeInMillis();
    while ((future && !fromDate.after(toDate)) || (!future && !fromDate.before(toDate))) {
        savedDate = fromDate.getTimeInMillis();
        fromDate.add(type, future ? 1 : -1);
        diff++;/*from  ww w  . ja  v  a2s.c  o m*/
    }
    diff--;
    fromDate.setTimeInMillis(savedDate);
    return diff;
}