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 addDaysIfBefore(Calendar date, Calendar dateBefore, int daysToAdd) {
    while (date.before(dateBefore)) {
        date.add(Calendar.DAY_OF_MONTH, daysToAdd);
    }/*from w  ww .  j a v  a  2s.  c  o  m*/

    return date;
}

From source file:MainClass.java

public static int countDiffDay(Calendar c1, Calendar c2) {
    int returnInt = 0;
    while (!c1.after(c2)) {
        c1.add(Calendar.DAY_OF_MONTH, 1);
        returnInt++;/*from w  w w. j  av a  2s.  co  m*/
    }

    if (returnInt > 0) {
        returnInt = returnInt - 1;
    }

    return (returnInt);
}

From source file:Main.java

public static int getNumberOfDaysInPreviousMonth(Date someDayInCurrentMonth) {
    Calendar lastMonthCal = Calendar.getInstance();
    lastMonthCal.setTime(someDayInCurrentMonth);
    lastMonthCal.add(Calendar.MONTH, -1);
    return lastMonthCal.getActualMaximum(Calendar.DAY_OF_MONTH);
}

From source file:Main.java

public static Date substractMinutes(Date date, int minutes) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);/* w w w .j  a va 2 s  .  com*/
    calendar.add(Calendar.MINUTE, -minutes);
    Date result = calendar.getTime();
    return result;
}

From source file:Main.java

private static void ceil(Calendar cal, int field) {
    cal.add(field, 1);
    cal.add(Calendar.MILLISECOND, -1);
}

From source file:Main.java

/**
 * Get last month first day//from  ww w . j  av a  2s. co  m
 */
public static int getLastMonthFirstDay() {
    Calendar lastDate = Calendar.getInstance();
    lastDate.set(Calendar.DATE, 1);
    lastDate.add(Calendar.MONTH, -1);
    return lastDate.getActualMinimum(Calendar.DAY_OF_MONTH);
}

From source file:com.metamug.mtg.s3.uploader.S3Uploader.java

public static String upload(InputStream inputStream, long fileSize, String URI) {
    String publicURL;//from w w  w. j a  v a2s . com
    //ClientConfiguration max retry
    ObjectMetadata objectMetaData = new ObjectMetadata();
    objectMetaData.setContentLength(fileSize);
    //        objectMetaData.setContentType(IMAGE_CONTENT_TYPE);
    objectMetaData.setCacheControl("public");
    Calendar c = Calendar.getInstance();
    c.setTime(c.getTime());
    c.add(Calendar.MONTH, 6);
    String sdf = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss zzz").format(c.getTime());
    objectMetaData.setHeader("Expires", sdf);//Thu, 21 Mar 2042 08:16:32 GMT

    PutObjectResult por = s3Client
            .putObject(new PutObjectRequest(AWS_S3_BUCKET, URI, inputStream, objectMetaData)
                    .withCannedAcl(CannedAccessControlList.PublicRead));

    publicURL = "http://metamug.net/" + URI;
    return publicURL;
}

From source file:com.streamreduce.util.CAGenerator.java

public static X509Certificate generateCACert(KeyPair keyPair) throws Exception {
    Date startDate = new Date(System.currentTimeMillis()); // time from which certificate is valid
    Calendar expiry = Calendar.getInstance();
    expiry.add(Calendar.DAY_OF_YEAR, 1000 * 365);
    Date expiryDate = expiry.getTime(); // time after which certificate is not valid
    BigInteger serialNumber = new BigInteger(Long.toString(System.currentTimeMillis())); // serial number for certificate

    X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
    X500Principal dnName = new X500Principal("CN=Nodeable Client");

    certGen.setSerialNumber(serialNumber);
    certGen.setIssuerDN(dnName);/*from ww w.j a  v  a2  s  .  c  o m*/
    certGen.setNotBefore(startDate);
    certGen.setNotAfter(expiryDate);
    certGen.setSubjectDN(dnName);
    certGen.setPublicKey(keyPair.getPublic());
    certGen.setSignatureAlgorithm("MD5withRSA");

    certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false,
            new AuthorityKeyIdentifierStructure(keyPair.getPublic()));
    certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false,
            new SubjectKeyIdentifierStructure(keyPair.getPublic()));

    return certGen.generate(keyPair.getPrivate()); // note: private key of CA
}

From source file:Main.java

public static PendingIntent scheduleLocalNotification(Context context, int slot, String title, String message,
        Long alertTime, int repeat) {
    Log.i(TAG, "Scheduling local notification");
    Intent alertIntent = new Intent(getNotificationName(slot));

    PendingIntent pendingIntent = PendingIntent.getBroadcast(context, slot, alertIntent,
            PendingIntent.FLAG_UPDATE_CURRENT);

    AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
    if (alarmManager != null) {
        if (repeat == 0) {
            alarmManager.set(AlarmManager.RTC_WAKEUP, alertTime, pendingIntent);
        } else {/*from www  .j a  v  a 2  s  .  c o  m*/
            Calendar alarmStartTime = Calendar.getInstance();
            alarmStartTime.add(Calendar.MINUTE, 1);
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, alertTime, repeat, pendingIntent);
        }
    }
    return pendingIntent;
}

From source file:Main.java

public static Date getDateAdd(Date date, int amount) {
    Calendar cal = new GregorianCalendar();
    cal.setTime(date);/*from  www  . ja va 2 s.c  o  m*/
    cal.add(GregorianCalendar.DATE, amount);
    return cal.getTime();
}