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:com.b5m.user.frame.util.DateUtils.java

/**
 * ? ?  ? daycount /*from ww w .  j  a v a  2  s. c o m*/
 * @param daycount
 * @return
 */
public static String getBeforeOrAfterDay(int daycount) {
    Date dayBefore = new Date();
    if (daycount != 0) {
        Calendar calendar = Calendar.getInstance(); //
        calendar.setTime(new Date());//?
        calendar.add(Calendar.DAY_OF_MONTH, daycount); //  ? + dayCount
        dayBefore = calendar.getTime(); //? + dayCount 
    }
    return Date2String(dayBefore);
}

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

public static Calendar getCalendarAfter(Calendar date) {
    Calendar endDate = Calendar.getInstance();
    endDate.setTimeInMillis(date.getTimeInMillis());
    endDate.add(Calendar.DAY_OF_MONTH, 1 + random.nextInt(10));
    return endDate;
}

From source file:com.inmobi.messaging.consumer.util.HadoopUtil.java

public static void setupHadoopCluster(Configuration conf, String[] files, String[] suffixDirs,
        Path[] finalFiles, Path finalDir, boolean withEmptyFiles, boolean createFilesInNextHour)
        throws Exception {
    FileSystem fs = finalDir.getFileSystem(conf);

    Path rootDir = finalDir.getParent();
    fs.delete(rootDir, true);//  w w w. j  av  a 2 s .  c o  m
    Path tmpDataDir = new Path(rootDir, "data");
    fs.mkdirs(tmpDataDir);

    if (!createFilesInNextHour) {
        setUpHadoopFiles(finalDir, conf, files, suffixDirs, finalFiles, withEmptyFiles, null, 0, 0);
    } else {
        // start from 1 hour back as we need files in two diff hours.
        Calendar cal = Calendar.getInstance();
        cal.setTime(startCommitTime);
        cal.add(Calendar.HOUR_OF_DAY, -1);

        setUpHadoopFiles(finalDir, conf, files, suffixDirs, finalFiles, withEmptyFiles, cal.getTime(), 0, 0);
        // go to next hour
        cal.add(Calendar.HOUR_OF_DAY, 1);
        int index = files.length;
        // find number of non empty(i.e. data) files in 1 hour
        int numberOfNonEmptyFiles = withEmptyFiles ? (int) Math.ceil(index / 2.0) : index;
        int startIndex = numberOfNonEmptyFiles * 100;
        setUpHadoopFiles(finalDir, conf, files, suffixDirs, finalFiles, withEmptyFiles, cal.getTime(), index,
                startIndex);
    }
}

From source file:DateUtils.java

/**
 * <p>Checks if a calendar date is after today and within a number of days in the future.</p>
 * @param cal the calendar, not altered, not null
 * @param days the number of days.//ww  w  .j a  va2s .c om
 * @return true if the calendar date day is after today and within days in the future .
 * @throws IllegalArgumentException if the calendar is <code>null</code>
 */
public static boolean isWithinDaysFuture(Calendar cal, int days) {
    if (cal == null) {
        throw new IllegalArgumentException("The date must not be null");
    }
    Calendar today = Calendar.getInstance();
    Calendar future = Calendar.getInstance();
    future.add(Calendar.DAY_OF_YEAR, days);
    return (isAfterDay(cal, today) && !isAfterDay(cal, future));
}

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

public static Calendar getCalendarBefore(Calendar date) {
    Calendar beforeDate = Calendar.getInstance();
    beforeDate.setTimeInMillis(date.getTimeInMillis());
    beforeDate.add(Calendar.DAY_OF_MONTH, -1 - random.nextInt(10));
    return beforeDate;
}

From source file:Main.java

public static List<String> getWeekDate() {
    List<String> list = new ArrayList<String>();
    Calendar calendar = Calendar.getInstance(Locale.CHINA);
    calendar.setTime(new Date());
    calendar.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
    list.add(calendar.get(Calendar.MONTH) + 1 + "." + calendar.get(Calendar.DATE));
    for (int i = 0; i < 6; i++) {
        calendar.add(Calendar.DATE, 1);
        String str = calendar.get(Calendar.MONTH) + 1 + "." + calendar.get(Calendar.DATE);
        list.add(str);//w  w  w.  j  ava  2  s .  co m
    }
    return list;
}

From source file:com.whatlookingfor.common.utils.DateUtils.java

/**
 * /*from  w w  w  .  j a va2 s. c  o  m*/
 *
 * @param date   
 * @param field  ,?Calendar.YEAR,Calendar.MONTH,Calendar.DAY_OF_YEAR 
 * @param amount 
 * @return ?
 */
public static Date addDate(Date date, int field, int amount) {
    if (date == null) {
        return null;
    }
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    calendar.add(field, amount);
    return calendar.getTime();
}

From source file:com.capitalone.dashboard.datafactory.jira.JiraDataFactoryImplTest.java

/**
 * Runs actions before test is initialized.
 * //from  ww  w .  j a v  a2s . c o  m
 * @throws java.lang.Exception
 */
@BeforeClass
public static void setUpBeforeClass() throws Exception {
    logger.info("Beginning tests for com.capitalone.dashboard.datafactory.jira.JiraDataFactoryImpl");

    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.DATE, -3);
    yesterday = dateFormat.format(cal.getTime());
    StringBuilder canonicalYesterday = new StringBuilder(yesterday);
    canonicalYesterday.replace(10, 11, "%20");

    query = "search?jql=updatedDate%3E=%22" + canonicalYesterday + "%22+order+by+updated";
}

From source file:net.firejack.platform.core.utils.DateUtils.java

/**
 * Increments the date by one day//from  w w w. j av a2 s . c  o m
 * @param date - date to be incremented
 */
public static void incDateByDay(Date date) {
    Calendar cal = new GregorianCalendar();
    cal.setTime(date);
    cal.add(Calendar.DAY_OF_MONTH, 1);
    date.setTime(cal.getTimeInMillis());
}

From source file:net.firejack.platform.core.utils.DateUtils.java

/**
 * Decrements the date by one hour//from  ww w  .j  a v a  2 s  .  c  om
 * @param date - date to be decremented
 */
public static void decDateByHour(Date date) {
    Calendar cal = new GregorianCalendar();
    cal.setTime(date);
    cal.add(Calendar.HOUR, -1);
    date.setTime(cal.getTimeInMillis());
}