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 Calendar getTomorrowAt(int hours, int minutes) {
    Calendar today = Calendar.getInstance();
    Calendar cal = Calendar.getInstance();
    cal.clear();//from  w  ww  .j  a  v  a  2s  .c o  m

    int year = today.get(Calendar.YEAR);
    int month = today.get(Calendar.MONTH);
    //represents the day of the month
    today.add(Calendar.DATE, 1);
    int day = today.get(Calendar.DATE);
    cal.set(year, month, day, hours, minutes, 0);
    return cal;
}

From source file:com.sanyanyu.syybi.utils.DateUtils.java

public static String getOffsetMonth(int offset, String pattern) {
    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.MONTH, offset);
    String currentDate = DateFormatUtils.format(cal, pattern);
    return currentDate;
}

From source file:Main.java

public static long endOfThisMonth() {
    Calendar cal = Calendar.getInstance();
    cal.set(Calendar.DAY_OF_MONTH, 1);
    cal.set(Calendar.HOUR_OF_DAY, 23);
    cal.set(Calendar.MINUTE, 59);
    cal.set(Calendar.SECOND, 59);
    cal.set(Calendar.MILLISECOND, 999);
    cal.add(Calendar.MONTH, 1);
    cal.add(Calendar.DATE, -1);//w ww  .j av a  2 s  .  com
    Date date = cal.getTime();
    return date.getTime();
}

From source file:com.sanyanyu.syybi.utils.DateUtils.java

/** 
  * @Title:getOffsetDate /*  w  w w. j  av  a2s.  c om*/
  * @Description: ????X 
  * @param offset 
  * @return 
  * @return String 
  */
public static String getOffsetDate(int offset) {
    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.DAY_OF_MONTH, offset);
    String currentDate = DateFormatUtils.format(cal, "yyyy-MM-dd");
    return currentDate;
}

From source file:Main.java

@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
private static void generateNewKeyOld(Context context) {
    try {/*w w  w.ja  v a 2 s  .  c  o  m*/
        KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(KeyProperties.KEY_ALGORITHM_RSA,
                KEY_PROVIDER);

        Calendar instance = Calendar.getInstance();
        Date start = instance.getTime();

        instance.add(Calendar.YEAR, 1);
        Date end = instance.getTime();

        keyPairGenerator.initialize(new KeyPairGeneratorSpec.Builder(context).setAlias(KEY_ALIAS)
                .setSubject(new X500Principal("CN=" + KEY_ALIAS)).setSerialNumber(BigInteger.valueOf(20151021))
                .setStartDate(start).setEndDate(end).build());

        keyPairGenerator.generateKeyPair();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NoSuchProviderException e) {
        e.printStackTrace();
    } catch (InvalidAlgorithmParameterException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

/**
 * Returns Date object of the next day of d.
 * @return/*from   ww  w.j a  v  a  2 s .  c o  m*/
 */
public static Date getNextDay(Date d) {
    Calendar c = Calendar.getInstance();
    if (d != null)
        c.setTime(d);
    c.set(Calendar.HOUR_OF_DAY, 0);
    c.set(Calendar.MINUTE, 0);
    c.set(Calendar.SECOND, 0);
    c.set(Calendar.MILLISECOND, 0);
    c.add(Calendar.DAY_OF_MONTH, 1);
    return c.getTime();
}

From source file:jp.co.opentone.bsol.framework.core.util.DateUtil.java

/**
 * ?????????.//  www.  jav  a  2 s. c  o m
 * @param deadline ?
 * @return true:?
 */
public static boolean isExpire(Date deadline) {
    if (deadline == null) {
        return false;
    }
    // ?+1?
    Calendar cal = Calendar.getInstance();
    cal.setTime(deadline);
    cal.add(Calendar.DATE, 1);
    return cal.getTime().before(getNow());
}

From source file:com.wavemaker.runtime.FileController.java

public static void setCacheExpireDate(HttpServletResponse response, int seconds) {
    if (response != null) {
        Calendar cal = new GregorianCalendar();
        cal.add(Calendar.SECOND, seconds);
        response.setHeader("Cache-Control", "PUBLIC, max-age=" + seconds + ", must-revalidate");
        response.setHeader("Expires", htmlExpiresDateFormat().format(cal.getTime()));
    }//from www . j  a v  a 2 s.  c  om
}

From source file:Main.java

public static long getPeriodEnd(int periodType, long date) {
    final Calendar cal = Calendar.getInstance();
    cal.setTimeInMillis(getPeriodStart(periodType, date));

    switch (periodType) {
    case TYPE_DAY: {
        cal.add(Calendar.DAY_OF_YEAR, 1);
        break;/* w ww. j  av a2s .  c  o  m*/
    }

    case TYPE_WEEK: {
        cal.add(Calendar.WEEK_OF_YEAR, 1);
        break;
    }

    case TYPE_MONTH: {
        cal.add(Calendar.MONTH, 1);
        break;
    }

    case TYPE_YEAR: {
        cal.add(Calendar.YEAR, 1);
        break;
    }
    }

    cal.add(Calendar.MILLISECOND, -1);
    return cal.getTimeInMillis();
}

From source file:Main.java

public static int[] getSchoolCalDate(int year, int month, int day, int week, int dayOfWeek) {
    Calendar cal = Calendar.getInstance();
    cal.set(year, month - 1, day);/*from   w  ww. ja  v a2 s  .c om*/
    Log.d(TAG, "Date: " + cal.toString());
    Log.d(TAG, "year: " + year);
    Log.d(TAG, "month: " + month);
    Log.d(TAG, "day: " + day);
    cal.add(Calendar.DATE, -offset(cal.get(Calendar.DAY_OF_WEEK)));
    int count = (week - 1) * 7 + dayOfWeek - 1;
    Log.d(TAG, "count: " + count);
    cal.add(Calendar.DATE, count);
    int result[] = { cal.get(Calendar.YEAR), cal.get(Calendar.MONTH) + 1, cal.get(Calendar.DAY_OF_MONTH) };

    return result;
}