Example usage for java.util Calendar add

List of usage examples for java.util Calendar add

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Introduction

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

Prototype

public abstract void add(int field, int amount);

Source Link

Document

Adds or subtracts the specified amount of time to the given calendar field, based on the calendar's rules.

Usage

From source file:com.kongwu.insweb.utils.DateUtils.java

public static Date addMonth(Date dtime, int month) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(dtime);//from   w ww .j  a  v  a2  s.co  m
    calendar.add(Calendar.MONTH, month);
    return calendar.getTime();
}

From source file:net.kamhon.ieagle.util.DateUtil.java

public static Date getStartDateOfWeek(Date date) {
    Calendar calendarStartDate = DateUtil.setTime(date);
    Integer noOfDayOfWeek = calendarStartDate.get(Calendar.DAY_OF_WEEK) - 1;
    calendarStartDate.add(Calendar.DATE, -noOfDayOfWeek);

    return calendarStartDate.getTime();
}

From source file:Main.java

public static java.util.Date getDate(int y, int m, int d, boolean inclusive) {
    java.util.Date dt = null;//from   w  ww .j  a  va2  s  .c  om
    Calendar c = Calendar.getInstance();
    c.clear();
    if (c.getActualMinimum(1) <= y && y <= c.getActualMaximum(1)) {
        c.set(1, y);
        if (c.getActualMinimum(2) <= m && m <= c.getActualMaximum(2)) {
            c.set(2, m);
            if (c.getActualMinimum(5) <= d && d <= c.getActualMaximum(5))
                c.set(5, d);
        }
        if (inclusive) {
            c.add(5, 1);
            c.add(14, -1);
        }
        dt = c.getTime();
    }
    return dt;
}

From source file:com.aurel.track.dbase.jobs.EmailReminderJob.java

private static Date getDailyReminderEndDateLimit(Integer lead) {
    Calendar calendar = Calendar.getInstance();
    CalendarUtil.clearTime(calendar);//www.j  a  va 2  s  .co m
    if (lead == null) {
        lead = Integer.valueOf(1);
    }
    calendar.add(Calendar.DATE, lead);
    return calendar.getTime();
}

From source file:com.mycompany.craftdemo.utility.java

public static boolean isValidTime() {
    Calendar calendar = Calendar.getInstance();
    TimeZone fromTimeZone = calendar.getTimeZone();
    TimeZone toTimeZone = TimeZone.getTimeZone("EST");

    calendar.setTimeZone(fromTimeZone);//from   w  ww .j  a  v  a2 s  .c  om
    calendar.add(Calendar.MILLISECOND, fromTimeZone.getRawOffset() * -1);
    if (fromTimeZone.inDaylightTime(calendar.getTime())) {
        calendar.add(Calendar.MILLISECOND, calendar.getTimeZone().getDSTSavings() * -1);
    }

    calendar.add(Calendar.MILLISECOND, toTimeZone.getRawOffset());
    if (toTimeZone.inDaylightTime(calendar.getTime())) {
        calendar.add(Calendar.MILLISECOND, toTimeZone.getDSTSavings());
    }

    int hour = calendar.get(Calendar.HOUR_OF_DAY);

    return hour >= 9 && hour <= 16;
}

From source file:com.t3.persistence.FileUtil.java

public static void delete(File file, int daysOld) throws IOException {
    Calendar olderThan = new GregorianCalendar();
    olderThan.add(Calendar.DATE, -daysOld);

    boolean shouldDelete = new Date(file.lastModified()).before(olderThan.getTime());

    if (file.isDirectory()) {
        // Wipe the contents first
        for (File currfile : file.listFiles()) {
            if (".".equals(currfile.getName()) || "..".equals(currfile.getName()))
                continue;
            delete(currfile, daysOld);//  ww w .j  a va 2s  .  c o m
        }
    }
    if (shouldDelete)
        file.delete();
}

From source file:com.keybox.manage.db.SessionAuditDB.java

/**
 * deletes audit history for users if after time set in properties file
 *
 * @param con DB connection/* w w w  . j  a  v a 2  s  .  c  o  m*/
 */
public static void deleteAuditHistory(Connection con) {

    try {

        //delete logs with no terminal entries
        PreparedStatement stmt = con.prepareStatement(
                "delete from session_log where id not in (select session_id from terminal_log)");
        stmt.execute();

        //take today's date and subtract how many days to keep history
        Calendar cal = Calendar.getInstance();
        cal.add(Calendar.DATE, (-1 * Integer.parseInt(AppConfig.getProperty("deleteAuditLogAfter")))); //subtract
        java.sql.Date date = new java.sql.Date(cal.getTimeInMillis());

        stmt = con.prepareStatement("delete from session_log where session_tm < ?");
        stmt.setDate(1, date);
        stmt.execute();

        DBUtils.closeStmt(stmt);

    } catch (Exception e) {
        log.error(e.toString(), e);
    }

}

From source file:net.granoeste.commons.util.DateUtils.java

/**
 * ?????/* ww w  .j av  a2  s.c  om*/
 *
 * @param cal
 * @param amount ex) last month : -1. the current month : 0. the next month : 1
 */
public static void shiftDateOnMondayOfAWeekAtTheBeginningOfTheMonth(final Calendar cal, final int amount) {

    cal.set(Calendar.DATE, 1);
    cal.add(Calendar.MONTH, amount);
    if (cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) {
        cal.add(Calendar.DATE, -6);
    } else {
        cal.add(Calendar.DATE, -cal.get(Calendar.DAY_OF_WEEK) + 2);
    }
}

From source file:net.granoeste.commons.util.DateUtils.java

/**
 * ????/*from  w w w  .  j av  a 2s .c o  m*/
 *
 * @param cal
 * @param amount ex) last month : -1. the current month : 0. the next month : 1
 */
public static void shiftDateOnSundayOfTheWeekOfTheEndOfTheMonth(final Calendar cal, final int amount) {

    cal.set(Calendar.DATE, 1);
    cal.add(Calendar.MONTH, amount);
    cal.add(Calendar.DATE, -1);
    if (cal.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY) {
        cal.add(Calendar.DATE, 1);
    } else {
        cal.add(Calendar.DATE, 7 - cal.get(Calendar.DAY_OF_WEEK) + 1);
    }
}

From source file:freebase.api.FreebaseAPIMusic.java

public static void FetchingFromGoogleAPI() {

    int max_step = 1;
    int step = 0;

    int month_step = 1;
    Calendar last_date = Calendar.getInstance();
    last_date.set(Calendar.YEAR, 2016);
    last_date.set(Calendar.MONTH, 0);
    last_date.set(Calendar.DAY_OF_MONTH, 1);

    Calendar from_date = Calendar.getInstance();
    from_date.set(Calendar.YEAR, 2000);
    from_date.set(Calendar.MONTH, 0);
    from_date.set(Calendar.DAY_OF_MONTH, 1);

    Calendar to_date = (Calendar) from_date.clone();
    to_date.add(Calendar.MONTH, month_step);
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

    while (true) {
        //            if (step > max_step) {
        //                break;
        //            }
        //            System.out.println(">>> Cursor = " + current_cursor);
        //            if (/*films == null || films.isEmpty() ||*/step == max_step) {
        //                System.out.println("Films is null or zero size. Break.");
        //                break;
        //            }
        if (from_date.after(last_date)) {
            System.out.println("Date is after last date");
            break;
        }/*w w w . ja  v a  2s . co m*/
        String fromDate = sdf.format(from_date.getTime());
        String toDate = sdf.format(to_date.getTime());
        System.out.println(step + " ) fetch films from " + fromDate + " to " + toDate);
        step++;
        List<Recording> recordings = getRecording(fromDate, toDate);
        System.out.println("Films#: " + recordings.size());
        writeToFiles(recordings);
        //            for (Film f : films) {
        //                System.out.println(f);
        //            }
        from_date.add(Calendar.MONTH, month_step);
        to_date.add(Calendar.MONTH, month_step);

    }
}