Example usage for java.util GregorianCalendar GregorianCalendar

Introduction

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

Prototype

public GregorianCalendar()

Source Link

Document

Constructs a default GregorianCalendar using the current time in the default time zone with the default Locale.Category#FORMAT FORMAT locale.

Usage

From source file:Main.java

public static String timeFormat(Date date, String format) {
    GregorianCalendar gc = new GregorianCalendar();
    gc.setTime(date);//from w  w  w .j a va 2 s  .  co m
    java.text.SimpleDateFormat fm = null;
    if (format != null) {
        fm = new java.text.SimpleDateFormat(format);
    } else {
        fm = new java.text.SimpleDateFormat(DEFAULT_FORMAT);
    }
    return fm.format(gc.getTime());
}

From source file:Main.java

static Calendar toNextWholeHour(Calendar d) {
    Calendar c = new GregorianCalendar();
    c.setTime(d.getTime());/* ww  w .j  av a 2s.c o  m*/
    c.add(Calendar.HOUR, 1);
    c.set(Calendar.MINUTE, 0);
    c.set(Calendar.SECOND, 0);
    return c;
}

From source file:Main.java

public static int dayOfWeek() {
    GregorianCalendar g = new GregorianCalendar();
    int ret = g.get(java.util.Calendar.DAY_OF_WEEK);
    g = null;/* w ww  .j a v  a 2 s . c  om*/
    return ret;
}

From source file:ConversionUtil.java

/**
 * convert into java.sql.Time (or into java.util.Calendar
 * //from  w w  w  .  j a  v  a2s. c om
 * @param date
 *          The date containing the time.
 * @param am
 *          Whether this should be am (true) or pm (false)
 * @return
 */
public static Time convertDateToTime(Date date, boolean am) {
    if (date == null) {
        return null;
    }

    Calendar cal = new GregorianCalendar();
    cal.setTime(date);
    int hourOfDay = cal.get(Calendar.HOUR_OF_DAY);

    if (am) {
        // Check to make sure that the hours are indeed am hours
        if (hourOfDay > 11) {
            cal.set(Calendar.HOUR_OF_DAY, hourOfDay - 12);
            date.setTime(cal.getTimeInMillis());
        }
    } else {
        // Check to make sure that the hours are indeed pm hours
        if (cal.get(Calendar.HOUR_OF_DAY) < 11) {
            cal.set(Calendar.HOUR_OF_DAY, hourOfDay + 12);
            date.setTime(cal.getTimeInMillis());
        }
    }
    return new Time(date.getTime());
}

From source file:Main.java

public static XMLGregorianCalendar toXmlDate(Date date) {
    try {//from w w w  .j  a  v a  2  s .c o m
        GregorianCalendar c = new GregorianCalendar();
        c.setTime(date);
        return DatatypeFactory.newInstance().newXMLGregorianCalendar(c);
    } catch (DatatypeConfigurationException dtce) {
        throw new UnsupportedOperationException("Nemohu prevest " + "GregorianCalendar na XMLGregorianCalendar",
                dtce);
    }
}

From source file:Main.java

private static Date getTomorrowMorning4am() {
    Calendar tomorrow = new GregorianCalendar();
    tomorrow.add(Calendar.DATE, fONE_DAY);
    Calendar result = new GregorianCalendar(tomorrow.get(Calendar.YEAR), tomorrow.get(Calendar.MONTH),
            tomorrow.get(Calendar.DATE), fFOUR_AM, fZERO_MINUTES);
    return result.getTime();
}

From source file:Main.java

/**
 * Converts a {@link Date} into a {@link XMLGregorianCalendar}
 * /* w  ww .  j  a v a  2 s .co  m*/
 * @param date
 *            the date to be converted
 * @return the XMLGregorianCalendar representing the date converted
 * @throws DatatypeConfigurationException
 */
public static XMLGregorianCalendar getXMLGregorianCalendarFromDate(Date date)
        throws DatatypeConfigurationException {
    XMLGregorianCalendar retObj = null;

    if (date != null) {
        GregorianCalendar gregCal = new GregorianCalendar();
        gregCal.setTime(date);

        retObj = DatatypeFactory.newInstance().newXMLGregorianCalendar(gregCal);
    }

    return retObj;
}

From source file:Main.java

public static int getDay(String strDate, String format) {
    int day = 0;/*w  w  w  .ja v  a  2s. c om*/
    try {
        Calendar c = new GregorianCalendar();
        SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat(format);
        c.setTime(mSimpleDateFormat.parse(strDate));
        day = c.get(Calendar.DAY_OF_MONTH);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return day;
}

From source file:Main.java

public static int getMonth(String strDate, String format) {
    int month = 0;
    try {/*from   w ww.j  ava2s  .  c om*/
        Calendar c = new GregorianCalendar();
        SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat(format);
        c.setTime(mSimpleDateFormat.parse(strDate));
        month = c.get(Calendar.MONTH) + 1;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return month;
}

From source file:Main.java

public static int getWeekNumber(String strDate, String inFormat) {
    Calendar calendar = new GregorianCalendar();
    DateFormat df = new SimpleDateFormat(inFormat);
    try {/* www.ja  v a 2  s .  c om*/
        calendar.setTime(df.parse(strDate));
    } catch (Exception e) {
        return -1;
    }
    int intTemp = calendar.get(Calendar.DAY_OF_WEEK) - 1;
    return intTemp;
}