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

static Calendar toNearestWholeMinute(Calendar d) {
    Calendar c = new GregorianCalendar();
    c.setTime(d.getTime());//from  w  w  w.j av  a 2s . co m

    if (c.get(Calendar.SECOND) >= 30)
        c.add(Calendar.MINUTE, 1);

    c.set(Calendar.SECOND, 0);

    return c;
}

From source file:Main.java

static Calendar toNearestWholeHour(Calendar d) {
    Calendar c = new GregorianCalendar();
    c.setTime(d.getTime());//w  ww .ja v  a  2  s.  c  o  m

    if (c.get(Calendar.MINUTE) >= 30)
        c.add(Calendar.HOUR, 1);

    c.set(Calendar.MINUTE, 0);
    c.set(Calendar.SECOND, 0);

    return c;
}

From source file:Main.java

/**
 * Adds to a date returning a new object.
 * The original date object is unchanged.
 *
 * @param date  the date, not null/* ww w  .j av a2  s  . c o  m*/
 * @param calendarField  the calendar field to add to
 * @param amount  the amount to add, may be negative
 * @return the new date object with the amount added
 * @throws IllegalArgumentException if the date is null
 */
private static Date add(Date date, int calendarField, int amount) {
    if (date == null) {
        throw new IllegalArgumentException("The date must not be null");
    }
    Calendar c = Calendar.getInstance();
    c.setTime(date);
    c.add(calendarField, amount);
    return c.getTime();
}

From source file:de.otto.mongodb.profiler.web.AbstractController.java

protected static long lowerBoundary(int diffHours) {
    final Calendar cal = Calendar.getInstance(Locale.ENGLISH);
    cal.add(Calendar.HOUR, diffHours);
    return cal.getTimeInMillis();
}

From source file:Main.java

public static Date getNextMonday(Date date) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(date);// w w w. j  ava  2  s  .com
    while (cal.get(Calendar.DAY_OF_WEEK) != Calendar.MONDAY) {
        cal.add(Calendar.DAY_OF_WEEK, 1);
    }
    return cal.getTime();
}

From source file:org.zalando.stups.oauth2.spring.client.StupsTokensAccessTokenProviderTest.java

public static Date tomorrow() {
    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.DAY_OF_MONTH, 1);
    return cal.getTime();
}

From source file:org.zalando.stups.oauth2.spring.client.StupsTokensAccessTokenProviderTest.java

public static Date yesterday() {
    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.DAY_OF_MONTH, -1);
    return cal.getTime();
}

From source file:Main.java

public static Date getNextSaturday(Date date) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(date);/*ww  w . j a  v a2s. c  om*/
    while (cal.get(Calendar.DAY_OF_WEEK) != Calendar.SATURDAY) {
        cal.add(Calendar.DAY_OF_WEEK, 1);
    }
    return cal.getTime();
}

From source file:org.pau.assetmanager.viewmodel.chart.ResourceImageGenerator.java

private static void cleanTempFolder(File directory) {
    Calendar cal = Calendar.getInstance();
    int daysBack = 1;
    cal.add(Calendar.DAY_OF_MONTH, daysBack * -1);
    long purgeTime = cal.getTimeInMillis();
    File[] files = directory.listFiles();
    for (File file : files) {
        if (file.lastModified() < purgeTime) {
            file.delete();/*from w  w  w . j a va 2s .  co  m*/
        }
    }
}

From source file:sf.wicketlearningapplication.server.TestUtility.java

public static Bug createNewBugInstance() {
    final int estimatedHours = random.nextInt(8) + 1;
    final Severity severity = Severity.values()[(int) (Math.random() * Severity.values().length)];
    final Calendar calendar = Calendar.getInstance();
    calendar.add(Calendar.DAY_OF_MONTH, random.nextInt(30));
    ////  ww  w.j  a  v  a 2s  .c  o  m
    final Bug bug = new Bug();
    bug.setSummary(text());
    bug.setSeverity(severity);
    bug.setEstimatedHours(estimatedHours);
    bug.setDueByDate(calendar.getTime());
    return bug;
}