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:MyServlet.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {

    GregorianCalendar calendar = new GregorianCalendar();
    Date date1 = new Date();
    calendar.setTime(date1);/*  w  ww  . j  a  v a 2 s  .  c om*/
    int hour = calendar.get(Calendar.HOUR_OF_DAY);
    if (hour < 9 || hour > 17) {
        chain.doFilter(request, response);
    } else {
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("<HTML>");
        out.println("<HEAD>");
        out.println("<TITLE>");
        out.println("Get Back to Work!");
        out.println("</TITLE>");
        out.println("</HEAD>");
        out.println("<BODY>");
        out.println("<H1>Get Back to Work!</H1>");
        out.println("Sorry, that resource is not available now.");
        out.println("</BODY>");
        out.println("</HTML>");
    }
}

From source file:com.github.jgility.core.util.ReleasePlanningUtils.java

private static Calendar addDayOffset(final Calendar date, long offset) {
    Calendar newDate = new GregorianCalendar();
    newDate.setTimeInMillis(date.getTimeInMillis());
    newDate.add(Calendar.DAY_OF_MONTH, safeLongToInt(offset));
    return newDate;
}

From source file:Main.java

public static String getStringByFormat(String strDate, String format) {
    String mDateTime = null;//from   www  .  j av a  2 s . c om
    try {
        Calendar c = new GregorianCalendar();
        SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat(dateFormatYMDHMS);
        c.setTime(mSimpleDateFormat.parse(strDate));
        SimpleDateFormat mSimpleDateFormat2 = new SimpleDateFormat(format);
        mDateTime = mSimpleDateFormat2.format(c.getTime());
    } catch (Exception e) {
        e.printStackTrace();
    }
    return mDateTime;
}

From source file:Main.java

/**
 * Converts a java.util.Date into an instance of XMLGregorianCalendar
 *
 * @param date Instance of java.util.Date or a null reference
 * @return XMLGregorianCalendar instance whose value is based upon the
 * value in the date parameter. If the date parameter is null then
 * this method will simply return null./*from  w  w  w  .j  a  v a 2 s  .c o  m*/
 */
public static XMLGregorianCalendar dateAsCalendar(Date date) {
    if (date == null) {
        return null;
    } else {
        GregorianCalendar gc = new GregorianCalendar();
        gc.setTimeInMillis(date.getTime());
        return df.newXMLGregorianCalendar(gc);
    }
}

From source file:com.pureinfo.force.util.TimerUtil.java

/**
 * @param _sTime/*  ww w .  j a  va  2 s  .com*/
 *            must be "HH:mm" format
 */
public static Timer scheduleFrom(String _sTime, long _lPeriod, TimerTask _task) {
    Calendar nowTime = new GregorianCalendar();
    Calendar firstTime = getTimeToday(nowTime, _sTime);
    firstTime.setTimeInMillis(getNext(firstTime.getTimeInMillis(), nowTime.getTimeInMillis(), _lPeriod));
    Timer timer = new Timer();
    timer.scheduleAtFixedRate(_task, firstTime.getTime(), _lPeriod);
    return timer;
}

From source file:Main.java

/**
 * Converts a java.util.Date to a javax.xml.datatype.XMLGregorianCalendar, uses current time if specified date is null;
 * // w  w  w . j a v a  2  s  . co  m
 * @param date, uses current time if specified date is null
 * @return a corresponding XMLGregorianCalendar object
 */
public static XMLGregorianCalendar convertDateToXmlDate(Date date) {
    try {
        GregorianCalendar fromDate = new GregorianCalendar();
        if (date != null) {
            fromDate.setTime(date);
        }
        return DatatypeFactory.newInstance().newXMLGregorianCalendar(fromDate);
    } catch (DatatypeConfigurationException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

/**
 * Converts a <code>java.util.Date</code> instance to a
 * <code>javax.xml.datatype.XMLGregorianCalendar</code> instance.
 *
 * @param date the <code>java.util.Date</code> instance to convert
 *
 * @return the converted <code>javax.xml.datatype.XMLGregorianCalendar</code> instance
 *//*ww w.  j  a va  2s.c  om*/
public static XMLGregorianCalendar asXMLGregorianCalendar(java.util.Date date) {
    if (date == null) {
        return null;
    } else {
        GregorianCalendar calendar = new GregorianCalendar();

        calendar.setTimeInMillis(date.getTime());

        return datatypeFactory.newXMLGregorianCalendar(calendar);
    }
}

From source file:DateHelper.java

/**
 * Calculating age from a current date/*  w  w w  . j a  v  a 2  s . c  o  m*/
 * 
 * @param current
 * @param birthdate
 * @return Age from the current (arg) date
 */
public static float getAge(final Date current, final Date birthdate) {

    if (birthdate == null) {
        return 0;
    }
    if (current == null) {
        return getAge(birthdate);
    } else {
        final Calendar calend = new GregorianCalendar();
        calend.set(Calendar.HOUR_OF_DAY, 0);
        calend.set(Calendar.MINUTE, 0);
        calend.set(Calendar.SECOND, 0);
        calend.set(Calendar.MILLISECOND, 0);

        calend.setTimeInMillis(current.getTime() - birthdate.getTime());

        float result = 0;
        result = calend.get(Calendar.YEAR) - 1970;
        result += (float) calend.get(Calendar.MONTH) / (float) 12;
        return result;
    }

}

From source file:Main.java

public static String getStringByOffset(Date date, String format, int calendarField, int offset) {
    String strDate = null;/*w  ww  .  ja  v a 2 s  .  c  o  m*/
    try {
        Calendar c = new GregorianCalendar();
        SimpleDateFormat mSimpleDateFormat = new SimpleDateFormat(format);
        c.setTime(date);
        c.add(calendarField, offset);
        strDate = mSimpleDateFormat.format(c.getTime());
    } catch (Exception e) {
        e.printStackTrace();
    }
    return strDate;
}

From source file:Main.java

/**
 * Converts a lexical duration, as defined by XML Schema 1.0, into milliseconds.
 * /* w  ww  .ja  va 2s.  co m*/
 * @param duration lexical duration representation
 * 
 * @return duration in milliseconds
 */
public static long durationToLong(String duration) {
    Duration xmlDuration = getDataTypeFactory().newDuration(duration);
    return xmlDuration.getTimeInMillis(new GregorianCalendar());
}