Example usage for java.util Calendar DAY_OF

Introduction

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

Prototype

int DAY_OF_YEAR

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

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Document

Field number for get and set indicating the day number within the current year.

Usage

From source file:Main.java

public static boolean isSameDay(Date date1, Date date2) {
    Calendar cal1 = Calendar.getInstance();
    Calendar cal2 = Calendar.getInstance();
    cal1.setTime(date1);//w  w  w  . j a  v a 2s . c om
    cal2.setTime(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

public static boolean isSameDay(long lhs, long rhs) {
    Calendar lhsCal = Calendar.getInstance();
    Calendar rhsCal = Calendar.getInstance();
    lhsCal.setTimeInMillis(lhs);/*  w w  w  .  jav  a2 s  .  c  o  m*/
    rhsCal.setTimeInMillis(rhs);
    return (lhsCal.get(Calendar.YEAR) == rhsCal.get(Calendar.YEAR))
            && (lhsCal.get(Calendar.DAY_OF_YEAR) == rhsCal.get(Calendar.DAY_OF_YEAR));
}

From source file:Main.java

public static Date beginOfTheDay(@NonNull Date date) {
    Calendar inputDate = Calendar.getInstance();
    inputDate.setTime(date);// w w w  .ja va 2s  .  c  om

    Calendar resultDate = Calendar.getInstance();
    resultDate.set(inputDate.get(Calendar.YEAR), inputDate.get(Calendar.MONTH),
            inputDate.get(Calendar.DAY_OF_YEAR));
    return resultDate.getTime();
}

From source file:Main.java

/**
 * CPLC dates are counted in days starting from "1986-02-04"
 * // www  .  j a  v  a2  s . c  om
 * @param cplcDateValue
 * @return
 */
public static Calendar getDateFromCPLCDateValue(int cplcDateValue) {
    GregorianCalendar startDay = new GregorianCalendar(1977, 11, 29);
    startDay.add(Calendar.DAY_OF_YEAR, cplcDateValue);
    return startDay;
}

From source file:Main.java

public static String previousDateString(String dateString) throws ParseException {
    DateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");

    Date myDate = dateFormat.parse(dateString);

    Calendar calendar = Calendar.getInstance();
    calendar.setTime(myDate);//  ww w .  jav a2  s . com
    calendar.add(Calendar.DAY_OF_YEAR, -1);

    Date previousDate = calendar.getTime();
    String result = dateFormat.format(previousDate);

    return result;
}

From source file:Main.java

public static boolean isSameDay(long timestamp1, long timestamp2) {
    Calendar cal1 = Calendar.getInstance();
    Calendar cal2 = Calendar.getInstance();

    cal1.setTime(new Date(timestamp1));
    cal2.setTime(new Date(timestamp2));

    boolean sameYear = cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR);
    boolean sameDay = cal1.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR);

    return sameYear && sameDay;
}

From source file:Main.java

public static int calculateDayDiffOfSameYear(Date targetTime, Date compareTime) {
    if (targetTime == null || compareTime == null) {
        return 0;
    }/*from   w  w w .j  a  va  2 s  .  c o  m*/

    Calendar tarCalendar = Calendar.getInstance();
    tarCalendar.setTime(targetTime);
    int tarDayOfYear = tarCalendar.get(Calendar.DAY_OF_YEAR);

    Calendar compareCalendar = Calendar.getInstance();
    compareCalendar.setTime(compareTime);
    int comDayOfYear = compareCalendar.get(Calendar.DAY_OF_YEAR);

    return tarDayOfYear - comDayOfYear;
}

From source file:Main.java

public static int getDayOFYear(String date) {
    try {//from ww w .  j av a  2s  .c  o  m
        Date parse = yearFormat.parse(date);
        Calendar instance = Calendar.getInstance();
        instance.setTime(parse);
        return instance.get(Calendar.DAY_OF_YEAR);
    } catch (ParseException e) {
        e.printStackTrace();
    }
    return 0;
}

From source file:Main.java

public static Long getYesterday() {
    Calendar yesterday = Calendar.getInstance();
    yesterday.setTimeZone(TimeZone.getDefault());

    yesterday.set(Calendar.SECOND, 0);
    yesterday.set(Calendar.MINUTE, 0);
    yesterday.set(Calendar.HOUR_OF_DAY, 1);
    yesterday.set(Calendar.MILLISECOND, 0);

    int day = yesterday.get(Calendar.DAY_OF_YEAR);

    yesterday.set(Calendar.DAY_OF_YEAR, day - 1);

    return yesterday.getTimeInMillis();
}

From source file:Main.java

public static long getYearStart() {
    Calendar cal = Calendar.getInstance();
    cal.set(Calendar.DAY_OF_YEAR, 1);
    cal.set(Calendar.HOUR_OF_DAY, 0);
    cal.set(Calendar.MINUTE, 0);//w w w .j a  va  2s .  co  m
    cal.set(Calendar.SECOND, 0);
    cal.set(Calendar.MILLISECOND, 0);
    return cal.getTimeInMillis();
}

Example usage for java.util Calendar DAY_OF_YEAR

Introduction

Prototype

Document

Usage