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 List<String> getOldWeekDays() {
    final Calendar c = Calendar.getInstance();
    String[] months = new String[8];
    for (int i = 0; i < 8; i++) {
        months[i] = new SimpleDateFormat("MM.dd").format(new Date(c.getTimeInMillis()));
        c.add(Calendar.DAY_OF_MONTH, -1);
    }/*from   www  .  j a  v a 2s  . com*/
    return Arrays.asList(months);
}

From source file:Main.java

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

From source file:com.mediaportal.ampdroid.api.JsonUtils.java

public static BasicNameValuePair newPair(String _name, Date _value) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(_value);/*from  ww w  . ja  v  a  2s.c om*/
    int offset = (int) ((cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET)) / 60000);

    cal.add(Calendar.MINUTE, offset);
    String dateString = IsoDate.dateToString(cal.getTime(), IsoDate.DATE_TIME);

    return new BasicNameValuePair(_name, dateString);
}

From source file:Main.java

public static Calendar GetYesterdayLeftRange(Calendar today) {
    Calendar calendar = (Calendar) today.clone();
    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.DAY_OF_MONTH, -1);
    calendar.add(Calendar.MINUTE, 0);
    return calendar;
}

From source file:Main.java

public static Calendar GetTodayRightRange(Calendar today) {
    Calendar calendar = (Calendar) today.clone();
    calendar.set(Calendar.HOUR_OF_DAY, 23);
    calendar.set(Calendar.MINUTE, 59);
    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 GetYesterdayRightRange(Calendar today) {
    Calendar calendar = (Calendar) today.clone();
    calendar.set(Calendar.HOUR_OF_DAY, 23);
    calendar.set(Calendar.MINUTE, 59);
    calendar.set(Calendar.SECOND, 0);
    calendar.set(Calendar.MILLISECOND, 0);
    calendar.add(Calendar.DAY_OF_MONTH, -1);
    calendar.add(Calendar.MINUTE, 0);
    return calendar;
}

From source file:com.qdum.llhb.common.utils.DateUtils.java

/**
 * getMonthFirstDay??:??//from   w ww  . j av  a  2 s. c o  m
 *
 * @author yaoyt
 * @time 15/12/29 ?1:19
 */
public static Date getMonthFirstDay() {
    Calendar c = Calendar.getInstance();
    c.add(Calendar.MONTH, 0);
    c.set(Calendar.DAY_OF_MONTH, 1);//1?,?
    return c.getTime();
}

From source file:Main.java

/**
 * Add the given number of days to the calendar and convert to Date.
 *
 * @param calendar/*ww  w  .  j av  a 2s. c o  m*/
 *            The calendar to add to.
 * @param days
 *            The number of days to add.
 * @return The date object given by the modified calendar.
 */
private static Date rollGetDate(Calendar calendar, int days) {
    Calendar easterSunday = (Calendar) calendar.clone();
    easterSunday.add(Calendar.DATE, days);
    return easterSunday.getTime();
}

From source file:com.redhat.rhn.domain.common.CommonFactory.java

/**
 * Create a TinyUrl/*  w ww  .  ja  v  a2 s.co  m*/
 * @param urlIn to tinyfy
 * @param expires the date we *ADD* 6 hours to to set the expiration on the URL
 * @return TinyUrl instance
 */
public static TinyUrl createTinyUrl(String urlIn, Date expires) {
    String token = RandomStringUtils.randomAlphanumeric(8);
    TinyUrl existing = lookupTinyUrl(token);
    while (existing != null) {
        log.warn("Had collision with: " + token);
        token = RandomStringUtils.randomAlphanumeric(8);
        existing = lookupTinyUrl(token);
    }

    TinyUrl url = new TinyUrl();
    Config c = new Config();
    url.setUrl(urlIn);
    url.setEnabled(true);
    url.setToken(token);
    Calendar pcal = Calendar.getInstance();
    pcal.setTime(expires);
    pcal.add(Calendar.HOUR, c.getInt("server.satellite.tiny_url_timeout", 4));
    url.setExpires(new Date(pcal.getTimeInMillis()));
    return url;
}