Example usage for java.util Calendar add

Introduction

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

Prototype

public abstract void add(int field, int amount);

Source Link

Document

Adds or subtracts the specified amount of time to the given calendar field, based on the calendar's rules.

Usage

From source file:Main.java

public static long timeInMillis(int hour, int minute) {
    Calendar calendar = Calendar.getInstance();
    calendar.set(Calendar.HOUR_OF_DAY, hour);
    calendar.set(Calendar.MINUTE, minute);
    calendar.set(Calendar.SECOND, 0);

    long timeBefore = calendar.getTimeInMillis();

    if (Calendar.getInstance().getTimeInMillis() > timeBefore)
        calendar.add(Calendar.DAY_OF_WEEK, 1);
    return calendar.getTimeInMillis();
}

From source file:Main.java

/**
 * Add date time over one year.//w  ww . j a  va2s .  c om
 *
 * @param listing     the listing
 * @param currentTime the current time
 * @param isPast      true/false if past time
 */
private static void addDateTimeOverOneYear(final List<Long> listing, final long currentTime,
        final boolean isPast) {
    final Calendar calendar = Calendar.getInstance();
    calendar.setTimeInMillis(currentTime);
    calendar.add(Calendar.MONTH, isPast ? -4 : 4);
    calendar.add(Calendar.YEAR, isPast ? -1 : 1);
    listing.add(calendar.getTimeInMillis());
}

From source file:Main.java

public static Calendar GetThisYearLeftRange(Calendar today) {
    Calendar calendar = (Calendar) today.clone();
    calendar.set(Calendar.MONTH, 0);
    calendar.set(Calendar.DAY_OF_MONTH, 1);
    calendar.set(Calendar.HOUR_OF_DAY, 0);
    calendar.set(Calendar.MINUTE, 0);
    calendar.set(Calendar.SECOND, 0);
    calendar.set(Calendar.MILLISECOND, 0);
    calendar.add(Calendar.MINUTE, 0);
    return calendar;
}

From source file:Main.java

public static Calendar GetLastYearRightRange(Calendar today) {
    Calendar calendar = (Calendar) today.clone();
    calendar.set(Calendar.MONTH, 0);
    calendar.set(Calendar.DAY_OF_MONTH, 1);
    calendar.set(Calendar.HOUR_OF_DAY, 0);
    calendar.set(Calendar.MINUTE, 0);
    calendar.set(Calendar.SECOND, 0);
    calendar.set(Calendar.MILLISECOND, 0);
    calendar.add(Calendar.MINUTE, 0);
    return calendar;
}

From source file:com.project.framework.util.DateUtils.java

/**
 * ???/*from  www .ja v  a2  s .c om*/
 * @param time
 * @return
 */
public static Date getBeforeDate(int time) {
    Calendar c = Calendar.getInstance();
    c.add(Calendar.MINUTE, (-1 * time));
    return c.getTime();
}

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++;/*w  w  w.j a  v a  2s .  c o m*/
    }
    diff--;
    fromDate.setTimeInMillis(savedDate);
    return diff;
}

From source file:TimeLib.java

/**
 * Increment a calendar by a given number of time units.
 * @param c the calendar to increment//from  w w w  .j  a v a2  s .  co  m
 * @param field the time unit to increment, one of the
 * {@link java.util.Calendar} fields, or one of the extended fields
 * provided by this class (MILLENIUM, CENTURY, or DECADE).
 * @param val the number of time units to increment by
 */
public static void increment(Calendar c, int field, int val) {
    if (isMultiYear(field)) {
        c.add(Calendar.YEAR, -field * val);
    } else {
        c.add(field, val);
    }
}

From source file:Main.java

public static boolean equalDate(String date) {
    Date todayDate = null;//from  ww  w .  j  a v a2s .  c  om
    Date inputDate = null;
    Date thirdDate = null;
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
    String today = sdf.format(new Date());
    Calendar cal = Calendar.getInstance();
    //      cal.add(Calendar.DATE, -1);      
    //      String today = sdf.format(cal.getTime());
    try {
        todayDate = sdf.parse(today);
        inputDate = sdf.parse(date);
        cal.setTime(inputDate);
        cal.add(Calendar.DATE, 3);
        thirdDate = cal.getTime();
        if (todayDate.compareTo(inputDate) >= 0 && todayDate.compareTo(thirdDate) < 0) {
            return true;
        } else {
            return false;
        }
    } catch (ParseException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return false;
    }

}

From source file:com.cablevision.util.sso.UtilSSO.java

/**
 * Gets the date and time for the end of the Assertion time interval in
 * as specified by SAML v2.0 section 2.5.1.
 *
 * @return the date and time as a String
 *///from  w  w  w  . java2 s .c o m
public static String getNotOnOrAfterDateAndTime() {
    Calendar afterCal = Calendar.getInstance();
    afterCal.add(Calendar.MINUTE, ASSERTION_NOT_ON_OR_AFTER_MINUTES);
    return DATE_TIME_FORMAT.format(afterCal.getTime());
}

From source file:com.lk.ofo.util.DateUtil.java

/**
 * /*from   w  w w  .java  2 s.  com*/
 *
 * @param date
 * @param changeValue ?
 * @return
 */
public static Date changeDay(Date date, int changeValue) {
    if (date == null || changeValue == 0) {
        return date;
    }
    Calendar c = Calendar.getInstance();
    c.setTime(date);
    c.add(Calendar.DAY_OF_YEAR, changeValue);
    return c.getTime();
}