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

@SuppressWarnings({ "static-access" })
public static String getFutureMonthDay(String iFuntureMonth, String sBirthDay) {
    if (!"".equals(iFuntureMonth) && !"".equals(sBirthDay)) {
        Calendar cal = Calendar.getInstance();
        cal.set(Integer.parseInt(sBirthDay.substring(0, 4)), Integer.parseInt(sBirthDay.substring(5, 7)) - 1,
                Integer.parseInt(sBirthDay.substring(8, 10)));
        cal.add(cal.MONTH, Integer.parseInt(iFuntureMonth));
        return cal.get(cal.YEAR) + "/" + String.format("%02d", (cal.get(cal.MONTH) + 1)) + "/"
                + String.format("%02d", cal.get(cal.DATE));
    } else {/*from  w w w. ja v a 2 s. c o m*/
        return "";
    }
}

From source file:com.github.jgility.core.util.ReleasePlanningUtils.java

private static Calendar addDayOffset(final Calendar date, long offset) {
    Calendar newDate = new GregorianCalendar();
    newDate.setTimeInMillis(date.getTimeInMillis());
    newDate.add(Calendar.DAY_OF_MONTH, safeLongToInt(offset));
    return newDate;
}

From source file:Main.java

public static String convertUtc2LocalPro(String utcTime) {
    if (TextUtils.isEmpty(utcTime)) {
        return "";
    }//from w w  w . j a va 2s .c o  m
    // 2014-10-24T02:58:05.932Z
    SimpleDateFormat utcFormatter, localFormatter;
    utcFormatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.ENGLISH);
    Date date;
    Calendar cal = Calendar.getInstance();
    try {
        date = utcFormatter.parse(utcTime);
        cal.setTime(date);
    } catch (ParseException e) {
        e.printStackTrace();
    }
    cal.add(Calendar.HOUR_OF_DAY, +8);
    date = cal.getTime();
    localFormatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
    return localFormatter.format(date);
}

From source file:Main.java

public static Date getMidnight(Date date) {
    Calendar day = Calendar.getInstance();
    day.setTime(date);/*from w w w.  j a v a 2 s. c  om*/
    day.set(Calendar.HOUR_OF_DAY, 0);
    day.set(Calendar.MINUTE, 0);
    day.set(Calendar.SECOND, 0);
    day.set(Calendar.MILLISECOND, 0);
    day.add(Calendar.DAY_OF_MONTH, 0);

    return day.getTime();
}

From source file:com.silverpeas.jcrutil.RandomGenerator.java

public static Calendar getOutdatedCalendar() {
    Calendar calendar = Calendar.getInstance();
    calendar.add(Calendar.DAY_OF_MONTH, -(1 + random.nextInt(10)));
    calendar.set(Calendar.HOUR_OF_DAY, getRandomHour());
    calendar.set(Calendar.MINUTE, getRandomMinutes());
    calendar.set(Calendar.SECOND, 0);
    calendar.set(Calendar.MILLISECOND, 0);
    calendar.setLenient(false);//from   w  w  w . j  a va2s  . c  o m
    try {
        calendar.getTime();
    } catch (IllegalArgumentException ie) {
        return getOutdatedCalendar();
    }
    return calendar;
}

From source file:com.silverpeas.jcrutil.RandomGenerator.java

public static Calendar getFuturCalendar() {
    Calendar calendar = Calendar.getInstance();
    calendar.add(Calendar.DAY_OF_MONTH, 1 + random.nextInt(10));
    calendar.set(Calendar.HOUR_OF_DAY, getRandomHour());
    calendar.set(Calendar.MINUTE, getRandomMinutes());
    calendar.set(Calendar.SECOND, 0);
    calendar.set(Calendar.MILLISECOND, 0);
    calendar.setLenient(false);/*  ww  w.java 2  s  .  com*/
    try {
        calendar.getTime();
    } catch (IllegalArgumentException ie) {
        return getFuturCalendar();
    }
    return calendar;
}

From source file:com.yahoo.dba.perf.myperf.springmvc.MyPerfBaseController.java

/**
 * Date range in yyyyMMddHHmmss format, for metrics and alert retrieval.
 * @param startDate/*  w w w  .  j ava  2 s .c om*/
 * @param endDate
 * @return
 */
public static String[] getDateRange(String startDate, String endDate) {
    java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("yyyyMMddHHmmss");//metricsDB TS column format
    java.text.SimpleDateFormat sdf2 = new java.text.SimpleDateFormat("yyyy-MM-dd HH");//URL request format
    sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
    sdf2.setTimeZone(TimeZone.getTimeZone("UTC"));
    Date d1 = null;
    if (startDate != null && !startDate.isEmpty()) {
        try {
            if (startDate.indexOf('-') < 0)
                d1 = sdf.parse(startDate);
            else
                d1 = sdf2.parse(startDate);
        } catch (Exception ex) {
        }
    }
    //default to one day earlier
    if (d1 == null) {
        Calendar c = Calendar.getInstance();
        c.add(Calendar.DATE, -1);
        d1 = c.getTime();
    }
    String startDateFmt = sdf.format(d1);

    Date d2 = null;
    if (endDate != null && !endDate.isEmpty()) {
        try {
            if (endDate.indexOf('-') < 0)
                d2 = sdf.parse(endDate);
            else
                d2 = sdf2.parse(endDate);
        } catch (Exception ex) {
        }
    }
    //default to now
    if (d2 == null) {
        d2 = new Date();
    }
    String endDateFmt = sdf.format(d2);
    return new String[] { startDateFmt, endDateFmt };
}

From source file:Main.java

public static String getDateByAddHour(String datetime, int minute) {
    String returnTime = null;//from w ww  . j av  a 2 s . co  m
    Calendar cal = new GregorianCalendar();
    SimpleDateFormat ft = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    Date date;
    try {
        date = ft.parse(datetime);
        cal.setTime(date);
        cal.add(GregorianCalendar.MINUTE, minute);
        returnTime = getFormatDateTime(cal.getTime(), "yyyy-MM-dd HH:mm:ss");
    } catch (ParseException e) {
        e.printStackTrace();
    }
    return returnTime;

}

From source file:de.kurashigegollub.dev.gcatest.Utils.java

public static DateTime getDateTime2Weeks(DateTime dtFrom) {
    Calendar c = Calendar.getInstance();
    c.setTimeInMillis(dtFrom.getValue());
    c.add(Calendar.WEEK_OF_YEAR, 2);
    c.set(Calendar.HOUR_OF_DAY, 23);
    c.set(Calendar.MINUTE, 59);//from   w  ww . ja va2  s.  com
    c.set(Calendar.SECOND, 59);
    c.set(Calendar.MILLISECOND, 999);
    return new DateTime(c.getTime(), TimeZone.getDefault());
}

From source file:com.controlj.experiment.bulktrend.trendclient.TrendClient.java

public static Calendar getYesterday() {
    Calendar today = new GregorianCalendar();
    today.add(Calendar.DATE, -1);
    Calendar result = new GregorianCalendar(today.get(Calendar.YEAR), today.get(Calendar.MONTH),
            today.get(Calendar.DAY_OF_MONTH));
    return result;
}