Example usage for java.util Calendar roll

Introduction

In this page you can find the example usage for java.util Calendar roll.

Prototype

public void roll(int field, int amount)

Source Link

Document

Adds the specified (signed) amount to the specified calendar field without changing larger fields.

Usage

From source file:Main.java

/**
 * Get last month end day/* w  ww  .j a  v  a 2 s.  c o m*/
 */
public static int getLastMonthEndDay() {
    Calendar lastDate = Calendar.getInstance();
    lastDate.add(Calendar.MONTH, -1);
    lastDate.set(Calendar.DATE, 1);
    lastDate.roll(Calendar.DATE, -1);
    return lastDate.getActualMaximum(Calendar.DAY_OF_MONTH);
}

From source file:Main.java

/**
 * Get next month end day// w w w.j  a  v  a2  s  .  com
 *
 * @return
 */
public static int getNextMonthEndDay() {
    Calendar lastDate = Calendar.getInstance();
    lastDate.add(Calendar.MONTH, 1);
    lastDate.set(Calendar.DATE, 1);
    lastDate.roll(Calendar.DATE, -1);
    return lastDate.getActualMaximum(Calendar.DAY_OF_MONTH);
}

From source file:Main.java

public static int getDaysByYearMonth(int year, int month) {

    Calendar a = Calendar.getInstance();
    a.set(Calendar.YEAR, year);/* w  w  w . j  a va  2 s.  c o  m*/
    a.set(Calendar.MONTH, month - 1);
    a.set(Calendar.DATE, 1);
    a.roll(Calendar.DATE, -1);
    return a.get(Calendar.DATE);
}

From source file:com.skipjaq.awspricing.pricing.AwsPricing.java

private static Date getDate(String dateTime) {
    SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
    try {/* w  w  w .j  a  v a2s. c  om*/
        Date date = formatter.parse(dateTime);
        return date;
    } catch (ParseException e) {
        Date currentDate = new Date();
        Calendar c = Calendar.getInstance();
        c.setTime(currentDate);
        c.roll(Calendar.DAY_OF_MONTH, 1);
        Date yesterday = c.getTime();
        System.out.println("Parse date time went wrong, getting yesterday " + yesterday);
        return yesterday;
    }
}

From source file:Main.java

/**
 * Get month days by year, month//from   w  ww. j  a  v  a 2  s  . co  m
 *
 * @param year
 * @param month
 * @return
 */
public static int getMonthDays(int year, int month) {
    Calendar a = Calendar.getInstance();
    a.set(Calendar.YEAR, year);
    a.set(Calendar.MONTH, month - 1);
    a.set(Calendar.DATE, 1);
    a.roll(Calendar.DATE, -1);
    int maxDate = a.get(Calendar.DATE);
    return maxDate;
}

From source file:org.toobsframework.transformpipeline.xslExtentions.DateHelper.java

public static String getDateLastWeek() {
    Calendar cal = new GregorianCalendar();
    cal.roll(Calendar.DAY_OF_YEAR, -7);
    return String.valueOf(cal.getTimeInMillis());
}

From source file:org.toobsframework.transformpipeline.xslExtentions.DateHelper.java

public static String getDateNextWeek() {
    Calendar cal = new GregorianCalendar();
    cal.roll(Calendar.DAY_OF_YEAR, +7);
    return String.valueOf(cal.getTimeInMillis());
}

From source file:org.toobsframework.transformpipeline.xslExtentions.DateHelper.java

public static String getDayNextWeek() {
    Calendar cal = new GregorianCalendar();
    cal.roll(Calendar.DAY_OF_YEAR, +7);
    return String.valueOf(cal.get(Calendar.DAY_OF_MONTH));
}

From source file:org.toobsframework.transformpipeline.xslExtentions.DateHelper.java

public static String getDateNextMonth() {
    Calendar cal = new GregorianCalendar();
    cal.roll(Calendar.MONTH, +1);
    return String.valueOf(cal.getTimeInMillis());
}

From source file:org.mousephenotype.dcc.exportlibrary.fullTraverser.FullTraverserTest.java

@BeforeClass
public static void setup() {
    FullTraverserTest.newHibernateManager();
    long TrackerID = 1L;

    Calendar firstNow = DatatypeConverter.now();
    firstNow.roll(Calendar.DAY_OF_YEAR, -2);
    SubmissionSet submissionSet = null;/*  ww w  .  j av  a2  s .c  o  m*/
    try {
        submissionSet = FullTraverserTest.loadData(TrackerID, firstNow);

    } catch (JAXBException | IOException ex) {
        logger.error("", ex);
        Assert.fail();
    }
    Assert.assertNotNull(submissionSet);
    Assert.assertTrue(submissionSet.isSetSubmission());
    Assert.assertFalse(submissionSet.getSubmission().isEmpty());
    TrackerID++;
    Calendar secondRow = DatatypeConverter.now();

    hibernateManager.persist(submissionSet);

    FullTraverserTest.hibernateManager.getEntityManager().close();

    SubmissionSet sb2 = null;

    try {
        sb2 = FullTraverserTest.loadData(TrackerID, secondRow);

    } catch (JAXBException | IOException ex) {
        logger.error("", ex);
        Assert.fail();
    }

    hibernateManager.persist(sb2);

    FullTraverserTest.fullTraverser = new FullTraverser(hibernateManager);

}