Example usage for java.util Calendar set

Introduction

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

Prototype

public void set(int field, int value)

Source Link

Document

Sets the given calendar field to the given value.

Usage

From source file:Main.java

public static long getStartOfDayMs(int year, int month, int day) {
    final Calendar date = Calendar.getInstance();

    date.set(Calendar.YEAR, year);
    date.set(Calendar.MONTH, month);
    date.set(Calendar.DAY_OF_MONTH, day);
    date.set(Calendar.HOUR_OF_DAY, date.getActualMinimum(Calendar.HOUR_OF_DAY));
    date.set(Calendar.MINUTE, date.getActualMinimum(Calendar.MINUTE));
    date.set(Calendar.SECOND, date.getActualMinimum(Calendar.SECOND));
    date.set(Calendar.MILLISECOND, date.getActualMinimum(Calendar.MILLISECOND));
    return date.getTimeInMillis();
}

From source file:Main.java

public static long getStartOfMonthMs(int year, int month) {
    final Calendar date = Calendar.getInstance();

    date.set(Calendar.YEAR, year);
    date.set(Calendar.MONTH, month);
    date.set(Calendar.DAY_OF_MONTH, date.getActualMinimum(Calendar.DAY_OF_MONTH));
    date.set(Calendar.HOUR_OF_DAY, date.getActualMinimum(Calendar.HOUR_OF_DAY));
    date.set(Calendar.MINUTE, date.getActualMinimum(Calendar.MINUTE));
    date.set(Calendar.SECOND, date.getActualMinimum(Calendar.SECOND));
    date.set(Calendar.MILLISECOND, date.getActualMinimum(Calendar.MILLISECOND));
    return date.getTimeInMillis();
}

From source file:Main.java

public static void trunkYear(Calendar c) {
    trunkMonth(c);
    c.set(Calendar.MONTH, 0);
}

From source file:Main.java

public static Calendar getCurrentDateWithoutTime() {
    Calendar cal = Calendar.getInstance(); // locale-specific
    cal.set(Calendar.HOUR_OF_DAY, 0);
    cal.set(Calendar.MINUTE, 0);/*from  w w  w . j a  v  a 2  s .c  om*/
    cal.set(Calendar.SECOND, 0);
    cal.set(Calendar.MILLISECOND, 0);
    return cal;
}

From source file:Main.java

/**
 * Get last month first day//from  ww w  .j  av a2  s.  c om
 */
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:Main.java

/**
 * Get relativy days base on today, will return negative and positive
 * values.//from   w w  w .  j  a v  a  2s .co m
 * 
 * @param d
 * @return
 */
public static long getRelativeDays(Date d) {
    Calendar c = Calendar.getInstance();
    c.set(Calendar.HOUR_OF_DAY, 0);
    c.set(Calendar.MINUTE, 0);
    c.set(Calendar.SECOND, 0);
    c.set(Calendar.MILLISECOND, 0);
    long curMilli = c.getTimeInMillis();
    c.setTimeInMillis(d.getTime());
    c.set(Calendar.HOUR_OF_DAY, 0);
    c.set(Calendar.MINUTE, 0);
    c.set(Calendar.SECOND, 0);
    c.set(Calendar.MILLISECOND, 0);
    long dMilli = c.getTimeInMillis();
    return (dMilli - curMilli) / (1 * 24 * 3600 * 1000);
}

From source file:Main.java

public static ArrayList<Calendar> formatTimesForObject(String string) {
    ArrayList<Calendar> times = new ArrayList<>();
    for (String s : string.split(" ")) {
        int hour = Integer.valueOf(s.split(":")[0]);
        int minute = Integer.valueOf(s.split(":")[1]);

        Calendar calendar = Calendar.getInstance();
        calendar.set(Calendar.HOUR_OF_DAY, hour);
        calendar.set(Calendar.MINUTE, minute);
        times.add(calendar);/*from   w w  w .  j a va  2  s  . c o m*/
    }
    return times;
}

From source file:Main.java

public static Date getDateBefore(Date d, int day) {
    Calendar now = Calendar.getInstance();
    now.setTime(d);/*from  www  .j ava 2s . c om*/
    now.set(Calendar.DATE, now.get(Calendar.DATE) - day);
    return now.getTime();
}

From source file:Main.java

public static String getTimeFromLong(long l) {
    Calendar c = Calendar.getInstance();
    c.setTimeInMillis(l);/*from   ww  w.  j  a v  a 2s . c  o m*/

    Calendar t = Calendar.getInstance();
    t.set(Calendar.HOUR_OF_DAY, 0);
    t.set(Calendar.MINUTE, 1);
    t.set(Calendar.SECOND, 0);

    if (c.after(t)) {
        NumberFormat nf = NumberFormat.getInstance();
        nf.setMinimumIntegerDigits(2);

        return nf.format(c.get(Calendar.HOUR_OF_DAY)) + ":" + nf.format(c.get(Calendar.MINUTE));
    } else {
        return TIME_NONE;
    }
}

From source file:Main.java

/**
 * @param days/*w  w w  . j ava 2  s .c o  m*/
 *            number of days after September 02, 1975 (what happened on this
 *            day?)
 * @return
 */
public static Calendar getDayFromQuickLogEntry(int days) {
    Calendar logDay = GregorianCalendar.getInstance();
    logDay.set(Calendar.DAY_OF_MONTH, 2);
    logDay.set(Calendar.MONTH, Calendar.SEPTEMBER);
    logDay.set(Calendar.YEAR, 1975);
    logDay.add(Calendar.DAY_OF_YEAR, days);
    return logDay;
}