Example usage for java.util Calendar YEAR

Introduction

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

Prototype

int YEAR

To view the source code for java.util Calendar YEAR.

Click Source Link

Document

Field number for get and set indicating the year.

Usage

From source file:Util.java

public static Date getMonday(Date today) {
    Calendar cal = Calendar.getInstance();

    cal.setTime(today);/* w  ww . j  a v a  2s .c om*/

    int dow = cal.get(Calendar.DAY_OF_WEEK);

    while (dow != Calendar.MONDAY) {
        int date = cal.get(Calendar.DATE);

        if (date == 1) {
            int month = cal.get(Calendar.MONTH);

            if (month == Calendar.JANUARY) {
                month = Calendar.DECEMBER;

                cal.set(Calendar.YEAR, cal.get(Calendar.YEAR) - 1);
            } else {
                month--;
            }

            cal.set(Calendar.MONTH, month);

            date = getMonthLastDate(month, cal.get(Calendar.YEAR));
        } else {
            date--;
        }

        cal.set(Calendar.DATE, date);

        dow = cal.get(Calendar.DAY_OF_WEEK);
    }

    return cal.getTime();
}

---

From source file:Main.java

public static String formatExpirationDate(String text) {

    try {/* w  w w.ja v  a2  s  .  c  o m*/
        switch (text.length()) {
        case 1:
            int digit = Integer.parseInt(text);

            if (digit < 2) {
                return text;
            } else {
                return "0" + text + "/";
            }
        case 2:
            int month = Integer.parseInt(text);
            if (month > 12 || month < 1) {
                // Invalid digit
                return text.substring(0, 1);
            } else {
                return text + "/";
            }
        case 3:
            if (text.substring(2, 3).equalsIgnoreCase("/")) {
                return text;
            } else {
                text = text.substring(0, 2) + "/" + text.substring(2, 3);
            }
        case 4:
            int yearDigit = Integer.parseInt(text.substring(3, 4));
            String year = String.valueOf(Calendar.getInstance().get(Calendar.YEAR));
            int currentYearDigit = Integer.parseInt(year.substring(2, 3));
            if (yearDigit < currentYearDigit) {
                // Less than current year invalid
                return text.substring(0, 3);
            } else {
                return text;
            }
        case 5:
            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("MM/yy");
            simpleDateFormat.setLenient(false);
            Date expiry = simpleDateFormat.parse(text);
            if (expiry.before(new Date())) {
                // Invalid exp date
                return text.substring(0, 4);
            } else {
                return text;
            }
        default:
            if (text.length() > 5) {
                return text.substring(0, 5);
            } else {
                return text;
            }
        }

    } catch (ParseException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    // If an exception is thrown we clear out the text
    return "";
}

---

From source file:Main.java

public static int[] getTime(long time, String timeZone) {
    Calendar c = Calendar.getInstance();
    if (timeZone != null && timeZone.length() != 0) {
        TimeZone tz = TimeZone.getTimeZone(timeZone);
        c = Calendar.getInstance(tz);
    }//  w  ww  .  j ava2 s  .c o  m
    c.setTimeInMillis(time);
    int y = c.get(Calendar.YEAR);
    int m = c.get(Calendar.MONTH);
    int d = c.get(Calendar.DAY_OF_MONTH);
    int hour = c.get(Calendar.HOUR_OF_DAY);
    int minute = c.get(Calendar.MINUTE);
    int second = c.get(Calendar.SECOND);
    return new int[] { y, m, d, hour, minute, second };
}

---

From source file:Main.java

private static final Calendar getUtcDate(int year, int month, int dayOfMonth) {
    final Calendar calendar = Calendar.getInstance(UTC_TIMEZONE, Locale.US);
    calendar.clear();/* w w  w .j a  va  2  s.c  o m*/
    calendar.set(Calendar.YEAR, year);
    calendar.set(Calendar.MONTH, month);
    calendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);
    return calendar;
}

---

From source file:Main.java

public static int compareDates(java.util.Date startDate, java.util.Date endDate) {
    int interval = 0;

    calendarStartDate = Calendar.getInstance();
    calendarStartDate.set(Calendar.YEAR, startDate.getYear());
    calendarStartDate.set(Calendar.MONTH, startDate.getMonth());
    calendarStartDate.set(Calendar.DAY_OF_MONTH, startDate.getDate());

    calendarEndDate.set(Calendar.YEAR, endDate.getYear());
    calendarEndDate.set(Calendar.MONTH, endDate.getMonth());
    calendarEndDate.set(Calendar.DAY_OF_MONTH, endDate.getDate());

    long diff = calendarEndDate.getTimeInMillis() - calendarStartDate.getTimeInMillis();
    interval = (int) (diff / (24 * 60 * 60 * 1000) + 1); // plus one day

    return interval;
}

---

From source file:Main.java

public static String formatExpirationDate(String text) {
    try {/*from w  ww .j  a  v  a2s.co  m*/
        switch (text.length()) {
        case 1:
            int digit = Integer.parseInt(text);

            if (digit < 2) {
                return text;
            } else {
                return "0" + text + "/";
            }
        case 2:
            int month = Integer.parseInt(text);
            if (month > 12 || month < 1) {
                // Invalid digit
                return text.substring(0, 1);
            } else {
                return text + "/";
            }
        case 3:
            if (text.substring(2, 3).equalsIgnoreCase("/")) {
                return text;
            } else {
                text = text.substring(0, 2) + "/" + text.substring(2, 3);
            }
        case 4:
            Calendar now = getCurrentExpDate();
            String currentYearStr = String.valueOf(now.get(Calendar.YEAR));

            int yearDigit = Integer.parseInt(text.substring(3, 4));
            int currentYearDigit = Integer.parseInt(currentYearStr.substring(2, 3));
            if (yearDigit < currentYearDigit) {
                // Less than current year invalid
                return text.substring(0, 3);
            } else {
                return text;
            }
        case 5:
            // always make the year in the current century
            Calendar now2 = getCurrentExpDate();
            String currentYearStr2 = String.valueOf(now2.get(Calendar.YEAR));
            String yearStr = text.substring(0, 3) + currentYearStr2.substring(0, 2) + text.substring(3, 5);
            Date expiry = simpleDateFormat.parse(yearStr);
            if (expiry.before(now2.getTime())) {
                // Invalid exp date
                return text.substring(0, 4);
            } else {
                return text;
            }
        default:
            if (text.length() > 5) {
                return text.substring(0, 5);
            } else {
                return text;
            }
        }

    } catch (ParseException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    // If an exception is thrown we clear out the text
    return "";
}

---

From source file:DateUtils.java

/**
 * A method to get the current date as an array of components
 * 0 = year, 1 = month, 2 = day/*w w w . j av a2  s. c  o  m*/
 *
 * @return an array of strings representing the current date
 */
public static String[] getCurrentDateAsArray() {

    GregorianCalendar calendar = new GregorianCalendar();
    String[] fields = new String[3];

    fields[0] = Integer.toString(calendar.get(Calendar.YEAR));
    fields[1] = String.format("%02d", calendar.get(Calendar.MONTH) + 1);
    fields[2] = String.format("%02d", calendar.get(Calendar.DAY_OF_MONTH));

    return fields;
}

---

From source file:DateUtils.java

public static String getDate() {
    Calendar cal = Calendar.getInstance();
    cal.setTime(new Date());

    int year = cal.get(Calendar.YEAR);
    int month = cal.get(Calendar.MONTH) + 1;
    int day = cal.get(Calendar.DAY_OF_MONTH);

    return "" + year + "-" + month + "-" + day;
}

---

From source file:Util.java

public static byte[] packDate(Date date) {
    Calendar c = Calendar.getInstance();
    c.setTime(date);//  w w w . j a  v  a2s.  c  o  m
    // Byte bits: 00000000 11111111 22222222 33333333 44444444
    // Contents : 00YYYYYY YYYYYYMM MMDDDDDH HHHHMMMM MMSSSSSS
    byte[] bytes = new byte[5];
    int s = c.get(Calendar.SECOND);
    int m = c.get(Calendar.MINUTE);
    int h = c.get(Calendar.HOUR_OF_DAY);
    int d = c.get(Calendar.DATE);
    int mm = c.get(Calendar.MONTH) + 1;
    int y = c.get(Calendar.YEAR);

    bytes[4] = (byte) ((m << 6) | s);
    bytes[3] = (byte) ((m >> 2) | (h << 4));
    bytes[2] = (byte) ((h >> 4) | (d << 1) | (mm << 6));
    bytes[1] = (byte) ((mm >> 2) | (y << 2));
    bytes[0] = (byte) (y >> 6);

    return bytes;
}

---

From source file:Main.java

public static Date getDateFromHexString(String hexString) {
    Calendar c = Calendar.getInstance();
    int year = Integer.parseInt(hexString.substring(0, 2)) + 2000;
    int month = Integer.parseInt(hexString.substring(2, 4));
    int day = Integer.parseInt(hexString.substring(4, 6));

    c.set(Calendar.YEAR, year);
    c.set(Calendar.MONTH, month - 1);
    c.set(Calendar.DAY_OF_MONTH, day);

    return c.getTime();
}

---

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