Example usage for java.util Calendar getActualMaximum

Introduction

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

Prototype

public int getActualMaximum(int field) 

Source Link

Document

Returns the maximum value that the specified calendar field could have, given the time value of this Calendar.

Usage

From source file:com.netsteadfast.greenstep.util.SimpleUtils.java

public static int getMaxDayOfMonth(final int year, final int month) {
    int max = 28;
    Calendar calendar = Calendar.getInstance();
    if (year >= 1900 && year <= 3000) {
        calendar.set(Calendar.YEAR, year);
    } else {/*from  w  w w .ja v  a2  s.c  o  m*/
        calendar.set(Calendar.YEAR, 1900);
    }
    if (month >= 1 && month <= 12) {
        calendar.set(Calendar.MONTH, (month - 1));
    } else {
        calendar.set(Calendar.MONTH, 0);
    }
    calendar.set(Calendar.DATE, 1);
    max = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
    return max;
}

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From source file:com.glaf.core.util.DateUtils.java

/**
 * ?//from   w  w  w . j a va2s  .  c o  m
 * 
 * @param startDate
 * @param endDate
 * @return
 */
public static int getDaysBetween(Calendar startDate, Calendar endDate) {
    if (startDate.after(endDate)) {
        java.util.Calendar swap = startDate;
        startDate = endDate;
        endDate = swap;
    }
    int days = endDate.get(java.util.Calendar.DAY_OF_YEAR) - startDate.get(java.util.Calendar.DAY_OF_YEAR);
    int y2 = endDate.get(java.util.Calendar.YEAR);
    if (startDate.get(java.util.Calendar.YEAR) != y2) {
        startDate = (java.util.Calendar) startDate.clone();
        do {
            days += startDate.getActualMaximum(java.util.Calendar.DAY_OF_YEAR);
            startDate.add(java.util.Calendar.YEAR, 1);
        } while (startDate.get(java.util.Calendar.YEAR) != y2);
    }
    return days;
}

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From source file:Dates.java

/**
 * Difference of 2 dates in years, months and days. <p>  
 *  //from w  w w. java2 s  .  c om
 * @param f1  If null returns null
 * @param f2  If null returns null 
 */
public static DateDistance dateDistance(java.util.Date f1, java.util.Date f2, boolean includeStartDate) {
    DateDistance df = new DateDistance();
    if (null == f1 || null == f2)
        return null;
    Calendar fmax = Calendar.getInstance(), fmin = Calendar.getInstance();

    f1 = Dates.removeTime(f1);
    f2 = Dates.removeTime(f2);

    if (f1.after(f2)) {
        fmax.setTime(f1);
        fmin.setTime(f2);
    } else {
        fmin.setTime(f1);
        fmax.setTime(f2);
    }

    int initDay = fmin.get(Calendar.DATE);
    int initMonth = fmin.get(Calendar.MONTH);
    int initYear = fmin.get(Calendar.YEAR);
    int endMonth = fmax.get(Calendar.MONTH);
    int endYear = fmax.get(Calendar.YEAR);
    int finalLimit = fmax.getActualMaximum(Calendar.DATE);
    int initPeak = 0;
    int finalPeak = 0;

    if (initMonth == endMonth && initYear == endYear) {
        while (fmin.getTime().before(fmax.getTime())) {
            fmin.add(Calendar.DATE, 1);
            df.days++;
        }

        if (includeStartDate) {
            df.days++;
        }
        if (df.days >= finalLimit) {
            df.months++;
            df.days = 0;
        }
        return df;
    }

    if (initDay != 1) {
        while (fmin.get(Calendar.DATE) != 1) {
            fmin.add(Calendar.DATE, 1);
            initPeak++;
        }
    }

    while (fmin.get(Calendar.MONTH) != endMonth || fmin.get(Calendar.YEAR) != endYear) {
        fmin.add(Calendar.MONTH, 1);
        df.months++;
        if (df.months == 12) {
            df.years++;
            df.months = 0;
        }
    }

    while (fmin.getTime().before(fmax.getTime())) {
        fmin.add(Calendar.DATE, 1);
        finalPeak++;
    }

    int peak = initPeak + finalPeak;
    if (includeStartDate) {
        peak++;
    }

    if (peak >= finalLimit) {
        peak = peak - finalLimit;
        df.months++;
        if (df.months == 12) {
            df.years++;
            df.months = 0;
        }
    }
    df.days = peak;
    return df;
}

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From source file:com.huateng.ebank.framework.util.DateUtil.java

/**
 * ?//from  ww  w  .j  a v a2  s.  c o  m
 *
 * @param today
 * @return
 */
public static Date getLastDate(Date today) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(today);
    calendar.set(Calendar.DATE, calendar.getActualMaximum(Calendar.DATE));

    return calendar.getTime();
}

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From source file:org.power.commons.lang.util.time.DateUtils.java

/**
 * #func ???<br>/*ww w  . j a v a2 s.  c o m*/
 *
 * @author dulin
 */
public static Date getLastDayOfMonth(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    int firstDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
    return org.apache.commons.lang3.time.DateUtils.setDays(date, firstDay);
}

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From source file:com.sammyun.util.DateUtil.java

/**
 * ?? ??? 2012-01-01?/*  w  ww  .jav  a2  s .  co m*/
 * 
 * @param date  ? YY-MM
 * @param isEnd ?
 * @return
 * @see [?#?#?]
 */
public static String parseEarlyEndMonth(String date, boolean isEnd) {
    // ?
    if (!isEnd) {
        return date.concat("-01");
    } else {
        String[] yearMonths = date.split("-");
        Calendar cal = Calendar.getInstance();
        cal.set(Calendar.YEAR, Integer.valueOf(yearMonths[0]));
        cal.set(Calendar.MONTH, Integer.valueOf(yearMonths[1]) - 1);
        // ?
        Integer maxDate = cal.getActualMaximum(Calendar.DATE);
        return date.concat("-".concat(maxDate.toString()));
    }
}

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From source file:com.adobe.acs.commons.http.headers.impl.MonthlyExpiresHeaderFilter.java

@Override
protected void adjustExpires(Calendar next) {

    if (StringUtils.equalsIgnoreCase(LAST, dayOfMonth)) {
        next.set(Calendar.DAY_OF_MONTH, next.getActualMaximum(Calendar.DAY_OF_MONTH));
    } else {/*from w  w w  .j av  a  2  s . c  om*/
        next.set(Calendar.DAY_OF_MONTH, Integer.parseInt(dayOfMonth));
    }
    if (next.before(Calendar.getInstance())) {
        next.add(Calendar.MONTH, 1);
    }
}

---

From source file:com.huateng.ebank.framework.util.DateUtil.java

/**
 * ?/*from w  ww  .  ja  va2 s. c  o m*/
 *
 * @param today
 * @return
 */
public static Date getNextLastDate(Date today) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(getNextDay(getLastDate(today)));
    calendar.set(Calendar.DATE, calendar.getActualMaximum(Calendar.DATE));

    return calendar.getTime();
}

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From source file:com.timesheet.data.BookingImp.java

@Override
public List<Booking> getBookingByUserAndMonth(Integer userId, Integer month) {
    Calendar currentCal = Calendar.getInstance();
    currentCal.set(Calendar.MONTH, month);
    int lastDayOfMonth = currentCal.getActualMaximum(Calendar.DAY_OF_MONTH);
    currentCal.set(Calendar.DAY_OF_MONTH, 1);
    Date startDate = currentCal.getTime();
    System.out.println("@@@@@@@@@@@@@@@@Start of month :" + startDate);
    currentCal.set(Calendar.DAY_OF_MONTH, lastDayOfMonth);
    Date endDate = currentCal.getTime();
    System.out.println("@@@@@@@@@@@@@@@@Start of month :" + endDate);
    //throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    return sessionFactory.getCurrentSession().createQuery(
            "from Booking where bookingDate >= :startDate AND bookingDate <= :endDate AND userId = :userId")
            .setDate("startDate", startDate).setDate("endDate", endDate).setInteger("userId", userId).list();
}

---

From source file:org.power.commons.lang.util.time.DateUtils.java

/**
 * ??? 20081231 -1 20081130/*from   ww  w.j  a  va 2s  .co  m*/
 *
 * @param dt
 * @param n
 * @return?11:16:22
 */
public static Date getNextMonth(Date dt, Long n) {

    Calendar cal = new GregorianCalendar();
    cal.setTime(dt);

    Calendar firstCal = new GregorianCalendar(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH) + n.intValue(),
            1);
    if (firstCal.getActualMaximum(Calendar.DAY_OF_MONTH) < cal.get(Calendar.DAY_OF_MONTH)) {
        return new GregorianCalendar(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH) + n.intValue(),
                firstCal.getActualMaximum(Calendar.DAY_OF_MONTH)).getTime();
    } else {
        return new GregorianCalendar(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH) + n.intValue(),
                cal.get(Calendar.DAY_OF_MONTH)).getTime();
    }

}

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