Example usage for java.util Calendar setTime

Introduction

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

Prototype

public final void setTime(Date date)

Source Link

Document

Sets this Calendar's time with the given Date.

Usage

From source file:Main.java

private static Date getDateBefore() {
    Date nowtime = new Date();
    Calendar now = Calendar.getInstance();
    now.setTime(nowtime);
    now.set(Calendar.DATE, now.get(Calendar.DATE) - LOG_SAVE_DAYS);
    return now.getTime();
}

From source file:Main.java

public static String getNextDateByNum(String s, int i) {

    SimpleDateFormat simpledateformat = new SimpleDateFormat("yyyyMMdd");
    java.util.Date date = simpledateformat.parse(s, new ParsePosition(0));
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    calendar.add(5, i);//from  w  ww.j  a va  2 s.c  o  m
    date = calendar.getTime();
    s = simpledateformat.format(date);
    return s;
}

From source file:Main.java

public static boolean isSameDay(String s1, String s2) {
    if (s1 == null || s2 == null)
        return false;
    Calendar c1 = Calendar.getInstance();
    c1.setTime(new Date(Long.parseLong(s1)));
    Calendar c2 = Calendar.getInstance();
    c2.setTime(new Date(Long.parseLong(s2)));
    return isSameDay(c1, c2);
}

From source file:Main.java

public static Date firstDateOfNextMonth(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    calendar.add(Calendar.MONTH, 1);
    Date newDate = calendar.getTime();
    return firstDateOfMonth(newDate);
}

From source file:Main.java

public static String getNextDateByYear(String s, int i) {

    SimpleDateFormat simpledateformat = new SimpleDateFormat("yyyyMMdd");
    java.util.Date date = simpledateformat.parse(s, new ParsePosition(0));
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    calendar.add(Calendar.YEAR, i);
    date = calendar.getTime();//from w w  w . j a  v  a 2 s . c om
    s = simpledateformat.format(date);
    return s;
}

From source file:Main.java

public static Date dayBegin(final Date date) {
    Calendar c = Calendar.getInstance();
    c.setTime(date);
    c.set(Calendar.HOUR_OF_DAY, 0);
    c.set(Calendar.MINUTE, 0);//from ww w  .j a  v  a2s  .  c  o m
    c.set(Calendar.SECOND, 0);
    c.set(Calendar.MILLISECOND, 0);
    return c.getTime();
}

From source file:Main.java

public static Date dayEnd(final Date date) {
    Calendar c = Calendar.getInstance();
    c.setTime(date);
    c.set(Calendar.HOUR_OF_DAY, 23);
    c.set(Calendar.MINUTE, 59);/*from   w w w  .j a v a  2s.  c  om*/
    c.set(Calendar.SECOND, 59);
    c.set(Calendar.MILLISECOND, 999);
    return c.getTime();
}

From source file:Main.java

public static long formatToLong(String time, String template) {
    SimpleDateFormat sdf = new SimpleDateFormat(template, Locale.CHINA);
    try {/*from   ww  w  .ja  v  a 2  s.  co  m*/
        Date d = sdf.parse(time);
        Calendar c = Calendar.getInstance();
        c.setTime(d);
        long l = c.getTimeInMillis();
        return l;
    } catch (ParseException e) {
        e.printStackTrace();
        return 0;
    }
}

From source file:Main.java

public static Date getDate(final Date aDate) {
    try {//from   w  w  w . j ava2  s .c o  m
        Calendar calDate = Calendar.getInstance();
        calDate.setTime(aDate);

        return calDate.getTime();

    } catch (Exception ex) {
        System.out.println("HelperTool.getDate(): " + ex.toString());
        return null;
    }
}

From source file:Main.java

public static boolean isToday(long date) {

    Calendar compareCalendar = Calendar.getInstance();
    compareCalendar.setTime(new Date(date));

    Calendar todayCalendar = Calendar.getInstance();
    todayCalendar.setTime(new Date(System.currentTimeMillis()));

    return todayCalendar.get(Calendar.DATE) == compareCalendar.get(Calendar.DATE);
}