Example usage for java.util Calendar getTime

Introduction

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

Prototype

public final Date getTime()

Source Link

Document

Returns a Date object representing this Calendar's time value (millisecond offset from the Epoch").

Usage

From source file:Main.java

public static String getDateFormatString(String format) {
    Calendar c = Calendar.getInstance();
    SimpleDateFormat df = new SimpleDateFormat(format, Locale.getDefault()); //called without pattern
    return df.format(c.getTime());
}

From source file:Main.java

public static String getScheduleFormattedDate(String date) {
    java.util.Calendar calendar = getCalendarFromStringDate(date);
    SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");

    return format.format(calendar.getTime());
}

From source file:org.jfree.chart.demo.GanttDemo3.java

private static Date date(int i, int j, int k) {
    Calendar calendar = Calendar.getInstance();
    calendar.set(k, j, i);//from w  w  w.  j a va2s. c  om
    Date date1 = calendar.getTime();
    return date1;
}

From source file:Main.java

public static String getCurrentTime() {
    Calendar currentTime = Calendar.getInstance();
    SimpleDateFormat dateformat = new SimpleDateFormat("HH:mm", Locale.CHINA);
    String timeLableStr = dateformat.format(currentTime.getTime());

    return timeLableStr;
}

From source file:Main.java

public static String GetPostingTime(long milliseconds) {
    Calendar cal = Calendar.getInstance();
    cal.setTimeInMillis(milliseconds);//from  ww  w.j  ava 2s  .  c  om
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm");
    return sdf.format(cal.getTime());
}

From source file:Main.java

/**
 * Convert the given Julian Day to Gregorian Date (in UT time zone).
 * Based on the formula given in the Explanitory Supplement to the
 * Astronomical Almanac, pg 604.// w  w  w  .ja  v a  2 s.  c o m
 */
public static Date calculateGregorianDate(double jd) {
    int l = (int) jd + 68569;
    int n = (4 * l) / 146097;
    l = l - (146097 * n + 3) / 4;
    int i = (4000 * (l + 1)) / 1461001;
    l = l - (1461 * i) / 4 + 31;
    int j = (80 * l) / 2447;
    int d = l - (2447 * j) / 80;
    l = j / 11;
    int m = j + 2 - 12 * l;
    int y = 100 * (n - 49) + i + l;

    double fraction = jd - Math.floor(jd);
    double dHours = fraction * 24.0;
    int hours = (int) dHours;
    double dMinutes = (dHours - hours) * 60.0;
    int minutes = (int) dMinutes;
    int seconds = (int) ((dMinutes - minutes) * 60.0);

    Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("UT"));
    cal.set(y, m - 1, d, hours + 12, minutes, seconds);
    return cal.getTime();
}

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   w ww  .j  a va 2 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 Date trimSeconds(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);/*w w  w  .j a  va 2s . c o m*/
    calendar.set(Calendar.MILLISECOND, 0);
    calendar.set(Calendar.SECOND, 0);
    return calendar.getTime();
}

From source file:Main.java

public static String getTime(int laterTime) {
    Calendar calendar = Calendar.getInstance();

    if (laterTime != 0)
        calendar.add(Calendar.HOUR_OF_DAY, 1);

    return new SimpleDateFormat("hh:mm a").format(calendar.getTime());
}

From source file:Main.java

public static Date toTimeZone(Date date, TimeZone source, TimeZone target) {
    Calendar cal1 = Calendar.getInstance(source);
    cal1.setTime(date);//from   ww  w  .j  a  v  a2  s  .co  m

    int[] dateSplit = splitDate(date);

    Calendar cal2 = Calendar.getInstance(target);
    cal2.set(dateSplit[0], dateSplit[1], dateSplit[2], dateSplit[3], dateSplit[4], dateSplit[5]);
    return cal2.getTime();
}