Example usage for java.util Calendar get

Introduction

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

Prototype

public int get(int field)

Source Link

Document

Returns the value of the given calendar field.

Usage

From source file:Main.java

public static boolean isToday(Calendar cal) {

    Calendar today = Calendar.getInstance(Locale.getDefault());

    return cal.get(Calendar.DAY_OF_YEAR) == today.get(Calendar.DAY_OF_YEAR)
            && cal.get(Calendar.YEAR) == today.get(Calendar.YEAR);
}

From source file:Main.java

public static String getDate(int hour, int min) {
    Date d = new Date();
    Calendar now = Calendar.getInstance();
    now.setTime(d);//from  w  w  w .  j  av  a2 s  . co  m
    now.set(Calendar.HOUR, now.get(Calendar.HOUR) + hour);
    now.set(Calendar.MINUTE, now.get(Calendar.MINUTE) + min);

    SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH/mm");

    return sdf.format(now.getTime());
}

From source file:Main.java

public static int getDaysLeftInYear() {
    Calendar calendar = Calendar.getInstance();
    return calendar.getActualMaximum(Calendar.DAY_OF_YEAR) - calendar.get(Calendar.DAY_OF_YEAR);
}

From source file:Main.java

public static String getCurrent() {

    Calendar calender = Calendar.getInstance();

    String minute = "";
    if (calender.get(Calendar.MINUTE) < 10) {
        minute = 0 + "" + calender.get(Calendar.MINUTE);
    } else {/*  w w  w.  j  a v a 2  s. c  om*/
        minute = "" + calender.get(Calendar.MINUTE);
    }

    String created = calender.get(Calendar.YEAR) % 100 + "/" + (calender.get(Calendar.MONTH) + 1) + "/"
            + calender.get(Calendar.DAY_OF_MONTH) + " " + calender.get(Calendar.HOUR_OF_DAY) + ":" + minute
            + "";
    return created;
}

From source file:Main.java

public static boolean isSameMonth(Calendar c1, Calendar c2) {
    if (c1 == null || c2 == null)
        return false;
    return (c1.get(Calendar.ERA) == c2.get(Calendar.ERA) && c1.get(Calendar.YEAR) == c2.get(Calendar.YEAR)
            && c1.get(Calendar.MONTH) == c2.get(Calendar.MONTH));
}

From source file:Main.java

public static boolean isSameDay(Date date1, Date date2) {
    Calendar cal1 = buildFromDate(date1);
    Calendar cal2 = buildFromDate(date2);
    return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
            && cal1.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR);
}

From source file:Main.java

private static int normalizeYear(int year) {
    if (year < 100 && year >= 0) {
        Calendar now = Calendar.getInstance();
        String currentYear = String.valueOf(now.get(Calendar.YEAR));
        String prefix = currentYear.substring(0, currentYear.length() - 2);
        year = Integer.parseInt(String.format(Locale.US, "%s%02d", prefix, year));
    }/*  ww  w  . ja v  a2 s .c o  m*/
    return year;
}

From source file:Main.java

/**
 * Takes a date value as used in CPLC Date fields (represented by 2 bytes)
 * /* www .j ava2  s  .  com*/
 * @param paramByte1
 * @param paramByte2
 * @throws IllegalArgumentException
 * @return
 */
public static Date calculateCplcDate(byte[] dateBytes) throws IllegalArgumentException {
    if (dateBytes == null || dateBytes.length != 2) {
        throw new IllegalArgumentException("Error! CLCP Date values consist always of exactly 2 bytes");
    }
    // current time
    Calendar now = Calendar.getInstance();

    int year = now.get(Calendar.YEAR);
    int startYearOfCurrentDecade = year - (year % 10);

    int days = 100 * (dateBytes[0] & 0xF) + 10 * (0xF & dateBytes[1] >>> 4) + (dateBytes[1] & 0xF);

    if (days > 366) {
        throw new IllegalArgumentException("Invalid date (or are we parsing it wrong??)");
    }

    Calendar calculatedDate = Calendar.getInstance();
    calculatedDate.clear();
    calculatedDate.set(Calendar.YEAR, startYearOfCurrentDecade + (0xF & dateBytes[0] >>> 4));
    calculatedDate.set(Calendar.DAY_OF_YEAR, days);
    while (calculatedDate.after(now)) {
        calculatedDate.add(Calendar.YEAR, -10);
    }
    return calculatedDate.getTime();
}

From source file:Main.java

public static int getDaylightSavingsTimeOffset(long timeMs) {
    int dstOffset = 5; // default not daylight savings time

    Calendar c = Calendar.getInstance();
    c.setTimeInMillis(timeMs);//from  w  w  w . j a  v  a2 s .c om
    int day = c.get(Calendar.DATE);
    int month = c.get(Calendar.MONTH);
    if ((month > DST_START_MONTH && month < DST_END_MONTH) || (month == DST_START_MONTH && day >= DST_START_DAY)
            || (month == DST_END_MONTH && day <= DST_END_DAY)) {
        dstOffset = 4;
    }
    return dstOffset;
}

From source file:Main.java

public static java.util.Date getDateEnd(java.util.Date d) {
    Calendar c = Calendar.getInstance();
    c.clear();//from w ww .ja  va2 s.co m
    Calendar co = Calendar.getInstance();
    co.setTime(d);
    c.set(Calendar.DAY_OF_MONTH, co.get(Calendar.DAY_OF_MONTH));
    c.set(Calendar.MONTH, co.get(Calendar.MONTH));
    c.set(Calendar.YEAR, co.get(Calendar.YEAR));
    c.add(Calendar.DAY_OF_MONTH, 1);
    c.add(Calendar.MILLISECOND, -1);
    return c.getTime();
}