java.util.Calendar#getActualMinimum

Source File: DateUtils.java From common-project with Apache License 2.0

6 votes

/**
 * 获取某年某月第一天
 * @param year
 * @param month
 * @return
 */
public static String getFirstDayOfMonth(int year,int month){
	Calendar cal = Calendar.getInstance();
	//设置年份
	cal.set(Calendar.YEAR,year);
	//设置月份
	cal.set(Calendar.MONTH, month-1);
	//获取某月最小天数
	int firstDay = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
	//设置日历中月份的最小天数
	cal.set(Calendar.DAY_OF_MONTH, firstDay);
	//格式化日期
	SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
	String firstDayOfMonth = sdf.format(cal.getTime());
	return firstDayOfMonth;
}

Source File: DailySalesHeatMapFacadeREST.java From marathonv5 with Apache License 2.0

5 votes

private HashMap<String, Long> runProductTypeQuery(Date date1, Integer productTypeId){
    long DIFF, TIME = System.currentTimeMillis(), START_TIME = System.currentTimeMillis();
    Query baseQuery = em.createQuery(BASE_TYPE_QUERY);
    Calendar cal = Calendar.getInstance();
    
    HashMap<String, Long> result = new HashMap<String, Long>();
    {
        cal.setTime(date1);
        int dayMin = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
        int dayMax = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
        cal.set(Calendar.DAY_OF_MONTH, dayMin);
        Parameter<Date> p1 = baseQuery.getParameter("oldStartDate", Date.class);
        baseQuery.setParameter(p1, cal.getTime());
        cal.set(Calendar.DAY_OF_MONTH, dayMax);
        Parameter<Date> p2 = baseQuery.getParameter("oldEndDate", Date.class);
        baseQuery.setParameter(p2, cal.getTime());
        Parameter<Integer> p3 = baseQuery.getParameter("productTypeId", Integer.class);
        baseQuery.setParameter(p3, productTypeId);

        List<Object[]> resultList = baseQuery.getResultList();

        DIFF = (System.currentTimeMillis() - TIME);
        System.out.println("    Q TIME = "+DIFF+"ms");

        for (int i=0; i < resultList.size(); i++){
            Object o[] = resultList.get(i);
            result.put((String)o[1],(Long)o[0]);
        }
    }
    
    return result;
}

Source File: DateRangePrefixTree.java From lucene-solr with Apache License 2.0

5 votes

private int slowSubCells(UnitNRShape lv) {
  int field = FIELD_BY_LEVEL[lv.getLevel()+1];
  //short-circuit optimization (GregorianCalendar assumptions)
  if (field == -1 || field == Calendar.YEAR || field >= Calendar.HOUR_OF_DAY)//TODO make configurable
    return super.getNumSubCells(lv);
  Calendar cal = toCalendar(lv);//somewhat heavyweight op; ideally should be stored on UnitNRShape somehow
  return cal.getActualMaximum(field) - cal.getActualMinimum(field) + 1;
}

Source File: DateUtil.java From BaseUIFrame with MIT License

5 votes

/**
 * 获取某一周最后一天
 * @return
 */
public static Date getLastDayByWeek(@NonNull Date date){
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    int min = calendar.getActualMinimum(Calendar.DAY_OF_WEEK);
    int current = calendar.get(Calendar.DAY_OF_WEEK);
    calendar.add(Calendar.DAY_OF_WEEK, min-current+6);
    return calendar.getTime();
}

Source File: DateUtil.java From BaseUIFrame with MIT License

5 votes

/**
 * 获取某一周第一天
 * @return
 */
public static Date getFirstDayByWeek(@NonNull Date date){
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    int min = calendar.getActualMinimum(Calendar.DAY_OF_WEEK); //获取周开始基准
    int current = calendar.get(Calendar.DAY_OF_WEEK); //获取当天周内天数
    calendar.add(Calendar.DAY_OF_WEEK, min-current); //当天-基准，获取周开始日期
    return calendar.getTime();
}

Source File: DateUtils.java From azeroth with Apache License 2.0

5 votes

/**
 * 返回传入时间月份的第一天
 * */
public static Date firstDayOfMonth(Date date) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(date);
    int value = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
    cal.set(Calendar.DAY_OF_MONTH, value);
    return cal.getTime();
}

Source File: DisabledAlgorithmConstraints.java From openjdk-jdk9 with GNU General Public License v2.0

5 votes

DenyAfterConstraint(String algo, int year, int month, int day) {
    Calendar c;

    algorithm = algo;

    if (debug != null) {
        debug.println("DenyAfterConstraint read in as:  year " +
                year + ", month = " + month + ", day = " + day);
    }

    c = new Calendar.Builder().setTimeZone(TimeZone.getTimeZone("GMT"))
            .setDate(year, month - 1, day).build();

    if (year > c.getActualMaximum(Calendar.YEAR) ||
            year < c.getActualMinimum(Calendar.YEAR)) {
        throw new IllegalArgumentException(
                "Invalid year given in constraint: " + year);
    }
    if ((month - 1) > c.getActualMaximum(Calendar.MONTH) ||
            (month - 1) < c.getActualMinimum(Calendar.MONTH)) {
        throw new IllegalArgumentException(
                "Invalid month given in constraint: " + month);
    }
    if (day > c.getActualMaximum(Calendar.DAY_OF_MONTH) ||
            day < c.getActualMinimum(Calendar.DAY_OF_MONTH)) {
        throw new IllegalArgumentException(
                "Invalid Day of Month given in constraint: " + day);
    }

    denyAfterDate = c.getTime();
    if (debug != null) {
        debug.println("DenyAfterConstraint date set to: " +
                dateFormat.format(denyAfterDate));
    }
}

Source File: DateHelper.java From bird-java with MIT License

5 votes

/**
 * 返回传入时间月份的开始时间
 *
 */
public static Date getMonthBegin(Date date) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(date);
    int value = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
    cal.set(Calendar.DAY_OF_MONTH, value);
    return getDayBegin(cal.getTime());
}

Source File: ChartMeasurementView.java From openScale with GNU General Public License v3.0

5 votes

private void setViewMode(final ViewMode mode) {
    viewMode = mode;
    Calendar viewModeCalender = Calendar.getInstance();
    viewModeCalender.setTime(lastMeasurement.getDateTime());

    switch (mode) {
        case DAY_OF_MONTH:
            minXValue = viewModeCalender.getMinimum(Calendar.DAY_OF_MONTH);
            maxXValue = viewModeCalender.getMaximum(Calendar.DAY_OF_MONTH);
            break;
        case WEEK_OF_MONTH:
            minXValue = 1;
            maxXValue = viewModeCalender.getActualMaximum(Calendar.WEEK_OF_MONTH);
            break;
        case WEEK_OF_YEAR:
            minXValue = viewModeCalender.getActualMinimum(Calendar.WEEK_OF_YEAR);
            maxXValue = viewModeCalender.getActualMaximum(Calendar.WEEK_OF_YEAR);
            break;
        case MONTH_OF_YEAR:
            minXValue = viewModeCalender.getActualMinimum(Calendar.MONTH);
            maxXValue = viewModeCalender.getActualMaximum(Calendar.MONTH);
            break;
        case DAY_OF_YEAR:
            minXValue = viewModeCalender.getActualMinimum(Calendar.DAY_OF_YEAR);
            maxXValue = viewModeCalender.getActualMaximum(Calendar.DAY_OF_YEAR);
            break;
        case DAY_OF_ALL:
        case WEEK_OF_ALL:
        case MONTH_OF_ALL:
        case YEAR_OF_ALL:
            minXValue = convertDateInShort(firstMeasurement.getDateTime());
            maxXValue = convertDateInShort(lastMeasurement.getDateTime());
            break;
        default:
            throw new IllegalArgumentException("view mode not implemented");
    }

    setXValueFormat(mode);
}

Source File: DateUtils.java From apollo with GNU General Public License v2.0

5 votes

/**
 * #func 获取当前时间当月的第一天<br>
 *
 * @author dongguoshuang
 */
public static Date getFirstDayOfMonth(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    int firstDay = calendar.getActualMinimum(Calendar.DAY_OF_MONTH);
    return org.apache.commons.lang.time.DateUtils.setDays(date, firstDay);
}

Source File: DailySalesHeatMapFacadeREST.java From marathonv5 with Apache License 2.0

5 votes

private HashMap<String, Long> runProductTypeQuery(Date date1, Integer productTypeId){
    long DIFF, TIME = System.currentTimeMillis(), START_TIME = System.currentTimeMillis();
    Query baseQuery = em.createQuery(BASE_TYPE_QUERY);
    Calendar cal = Calendar.getInstance();
    
    HashMap<String, Long> result = new HashMap<String, Long>();
    {
        cal.setTime(date1);
        int dayMin = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
        int dayMax = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
        cal.set(Calendar.DAY_OF_MONTH, dayMin);
        Parameter<Date> p1 = baseQuery.getParameter("oldStartDate", Date.class);
        baseQuery.setParameter(p1, cal.getTime());
        cal.set(Calendar.DAY_OF_MONTH, dayMax);
        Parameter<Date> p2 = baseQuery.getParameter("oldEndDate", Date.class);
        baseQuery.setParameter(p2, cal.getTime());
        Parameter<Integer> p3 = baseQuery.getParameter("productTypeId", Integer.class);
        baseQuery.setParameter(p3, productTypeId);

        List<Object[]> resultList = baseQuery.getResultList();

        DIFF = (System.currentTimeMillis() - TIME);
        System.out.println("    Q TIME = "+DIFF+"ms");

        for (int i=0; i < resultList.size(); i++){
            Object o[] = resultList.get(i);
            result.put((String)o[1],(Long)o[0]);
        }
    }
    
    return result;
}

Source File: DailySalesHeatMapFacadeREST.java From marathonv5 with Apache License 2.0

5 votes

private HashMap<String, Long> runBaseQuery(Date date){
    Calendar cal = Calendar.getInstance();
    long DIFF, TIME = System.currentTimeMillis(), START_TIME = System.currentTimeMillis();
    Query baseQuery = em.createQuery(BASE_QUERY);
    HashMap<String, Long> result = new HashMap<String, Long>();
    {
        cal.setTime(date);
        int dayMin = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
        int dayMax = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
        cal.set(Calendar.DAY_OF_MONTH, dayMin);
        Parameter<Date> p1 = baseQuery.getParameter("oldStartDate", Date.class);
        baseQuery.setParameter(p1, cal.getTime());
        cal.set(Calendar.DAY_OF_MONTH, dayMax);
        Parameter<Date> p2 = baseQuery.getParameter("oldEndDate", Date.class);
        baseQuery.setParameter(p2, cal.getTime());

        List<Object[]> resultList = baseQuery.getResultList();

        DIFF = (System.currentTimeMillis() - TIME);
        System.out.println("    Q TIME = "+DIFF+"ms");

        for (int i=0; i < resultList.size(); i++){
            Object o[] = resultList.get(i);
            result.put((String)o[1],(Long)o[0]);
        }
    }
    return result;
}

Source File: DisabledAlgorithmConstraints.java From jdk8u_jdk with GNU General Public License v2.0

5 votes

DenyAfterConstraint(String algo, int year, int month, int day) {
    Calendar c;

    algorithm = algo;

    if (debug != null) {
        debug.println("DenyAfterConstraint read in as:  year " +
                year + ", month = " + month + ", day = " + day);
    }

    c = new Calendar.Builder().setTimeZone(TimeZone.getTimeZone("GMT"))
            .setDate(year, month - 1, day).build();

    if (year > c.getActualMaximum(Calendar.YEAR) ||
            year < c.getActualMinimum(Calendar.YEAR)) {
        throw new IllegalArgumentException(
                "Invalid year given in constraint: " + year);
    }
    if ((month - 1) > c.getActualMaximum(Calendar.MONTH) ||
            (month - 1) < c.getActualMinimum(Calendar.MONTH)) {
        throw new IllegalArgumentException(
                "Invalid month given in constraint: " + month);
    }
    if (day > c.getActualMaximum(Calendar.DAY_OF_MONTH) ||
            day < c.getActualMinimum(Calendar.DAY_OF_MONTH)) {
        throw new IllegalArgumentException(
                "Invalid Day of Month given in constraint: " + day);
    }

    denyAfterDate = c.getTime();
    if (debug != null) {
        debug.println("DenyAfterConstraint date set to: " +
                dateFormat.format(denyAfterDate));
    }
}

Source File: DateUtil.java From JavaWeb with Apache License 2.0

5 votes

public static String getFirstDayOfMonth(int year,int month){
	Calendar cal = Calendar.getInstance();
       //设置年份
       cal.set(Calendar.YEAR,year);
       //设置月份
       cal.set(Calendar.MONTH, month-1);
       //获取某月最大天数(即可以知道某月一共几天)
       int lastDay = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
       //设置日历中月份的最大天数
       cal.set(Calendar.DAY_OF_MONTH, lastDay);
       //格式化日期
       SimpleDateFormat sdf = new SimpleDateFormat("dd");
       return sdf.format(cal.getTime());
}

Source File: DisabledAlgorithmConstraints.java From dragonwell8_jdk with GNU General Public License v2.0

5 votes

DenyAfterConstraint(String algo, int year, int month, int day) {
    Calendar c;

    algorithm = algo;

    if (debug != null) {
        debug.println("DenyAfterConstraint read in as:  year " +
                year + ", month = " + month + ", day = " + day);
    }

    c = new Calendar.Builder().setTimeZone(TimeZone.getTimeZone("GMT"))
            .setDate(year, month - 1, day).build();

    if (year > c.getActualMaximum(Calendar.YEAR) ||
            year < c.getActualMinimum(Calendar.YEAR)) {
        throw new IllegalArgumentException(
                "Invalid year given in constraint: " + year);
    }
    if ((month - 1) > c.getActualMaximum(Calendar.MONTH) ||
            (month - 1) < c.getActualMinimum(Calendar.MONTH)) {
        throw new IllegalArgumentException(
                "Invalid month given in constraint: " + month);
    }
    if (day > c.getActualMaximum(Calendar.DAY_OF_MONTH) ||
            day < c.getActualMinimum(Calendar.DAY_OF_MONTH)) {
        throw new IllegalArgumentException(
                "Invalid Day of Month given in constraint: " + day);
    }

    denyAfterDate = c.getTime();
    if (debug != null) {
        debug.println("DenyAfterConstraint date set to: " +
                dateFormat.format(denyAfterDate));
    }
}

Source File: DateConvertUtil.java From spring-boot-demo-all with Apache License 2.0

4 votes

public static boolean isMonthStart(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    return calendar.get(Calendar.DATE) == calendar.getActualMinimum(Calendar.DAY_OF_MONTH);
}

Source File: Date.java From util with Apache License 2.0

4 votes

/**
 * 得到当前所在自然月的第一天的开始,格式为长日期格式。例如：2012-03-01 00:00:00。
 * @return Date
 */
public Date monthStart(){
	Calendar c=Calendar.getInstance();
	String startStr= toString("yyyy-M-")+c.getActualMinimum(Calendar.DATE)+" 00:00:00";
	return Date.parseDate(startStr);
}

Source File: CalendarTest.java From openjdk-jdk9 with GNU General Public License v2.0

4 votes

public void TestActualMinMax() {
    Calendar cal = new GregorianCalendar(1967, MARCH, 10);
    cal.setFirstDayOfWeek(SUNDAY);
    cal.setMinimalDaysInFirstWeek(3);

    if (cal.getActualMinimum(DAY_OF_MONTH) != 1) {
        errln("Actual minimum date for 3/10/1967 should have been 1; got "
                + cal.getActualMinimum(DAY_OF_MONTH));
    }
    if (cal.getActualMaximum(DAY_OF_MONTH) != 31) {
        errln("Actual maximum date for 3/10/1967 should have been 31; got "
                + cal.getActualMaximum(DAY_OF_MONTH));
    }

    cal.set(MONTH, FEBRUARY);
    if (cal.getActualMaximum(DAY_OF_MONTH) != 28) {
        errln("Actual maximum date for 2/10/1967 should have been 28; got "
                + cal.getActualMaximum(DAY_OF_MONTH));
    }
    if (cal.getActualMaximum(DAY_OF_YEAR) != 365) {
        errln("Number of days in 1967 should have been 365; got "
                + cal.getActualMaximum(DAY_OF_YEAR));
    }

    cal.set(YEAR, 1968);
    if (cal.getActualMaximum(DAY_OF_MONTH) != 29) {
        errln("Actual maximum date for 2/10/1968 should have been 29; got "
                + cal.getActualMaximum(DAY_OF_MONTH));
    }
    if (cal.getActualMaximum(DAY_OF_YEAR) != 366) {
        errln("Number of days in 1968 should have been 366; got "
                + cal.getActualMaximum(DAY_OF_YEAR));
    }
    // Using week settings of SUNDAY/3 (see above)
    if (cal.getActualMaximum(WEEK_OF_YEAR) != 52) {
        errln("Number of weeks in 1968 should have been 52; got "
                + cal.getActualMaximum(WEEK_OF_YEAR));
    }

    cal.set(YEAR, 1976);
    // Using week settings of SUNDAY/3 (see above)
    if (cal.getActualMaximum(WEEK_OF_YEAR) != 53) {
        errln("Number of weeks in 1976 should have been 53; got "
                + cal.getActualMaximum(WEEK_OF_YEAR));
    }
}

Source File: CalendarHeader.java From microba with BSD 3-Clause "New" or "Revised" License

4 votes

private void reflectData() {

		Calendar cal = Calendar.getInstance(zone, locale);
		cal.setTime(date == null ? new Date() : date);

		SimpleDateFormat fmt = new SimpleDateFormat("E", locale);
		fmt.setTimeZone(zone);

		int numDaysInWeek = cal.getActualMaximum(Calendar.DAY_OF_WEEK)
				- cal.getActualMinimum(Calendar.DAY_OF_WEEK) + 1;
		int firstDayOfWeek = cal.getFirstDayOfWeek();

		cal.set(Calendar.DAY_OF_WEEK, firstDayOfWeek);

		removeAll();
		setLayout(new GridLayout(1, numDaysInWeek, 2, 2));

		setBackground(isEnabled() ? backgroundColorActive
				: backgroundColorInactive);

		for (int i = 0; i < numDaysInWeek; i++) {
			JLabel label = new JLabel();
			// TODO: add option to control limit length:
			label.setText(fmt.format(cal.getTime())/* .substring(0,1) */);
			label.setForeground(isEnabled() ? foregroundColorActive
					: foregroundColorInactive);
			label.setHorizontalAlignment(SwingConstants.CENTER);
			label.setBorder(BorderFactory.createEmptyBorder(3, 0, 3, 0));
			Font boldFont = label.getFont().deriveFont(Font.BOLD);
			label.setFont(boldFont);
			add(label);

			boolean isHolliday = false;
			if (holidayPolicy != null) {
				isHolliday = holidayPolicy.isWeekend(this, cal);
			}

			if (isHolliday)
				label.setForeground(isEnabled() ? foregroundColorWeekendEnabled
						: foregroundColorWeekendDisabled);

			cal.add(Calendar.DAY_OF_WEEK, 1);
		}
		setBorder(BorderFactory.createEmptyBorder(0, 1, 0, 1));
		revalidate();
		repaint();

	}

Source File: DateConvertUtil.java From spring-boot-demo-all with Apache License 2.0

4 votes

public static boolean isMonthStart(String date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(StringToDate(date, "yyyy-MM-dd"));
    return calendar.get(Calendar.DATE) == calendar.getActualMinimum(Calendar.DAY_OF_MONTH);
}

Java Code Examples for java.util.Calendar#getActualMinimum()