Example usage for java.util Calendar clear

Introduction

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

Prototype

public final void clear() 

Source Link

Document

Sets all the calendar field values and the time value (millisecond offset from the Epoch) of this Calendar undefined.

Usage

From source file:org.kuali.rice.core.framework.persistence.jdbc.sql.SQLUtils.java

public static Timestamp convertStringDateToTimestamp(String dateWithoutTime) {
    Pattern p = Pattern.compile(TIME_REGEX);
    Matcher util = p.matcher(dateWithoutTime);
    if (util.find()) {
        dateWithoutTime = StringUtils.substringBeforeLast(dateWithoutTime, " ");
    }//from www. j  a  va2s.co m
    DateComponent formattedDate = formatDateToDateComponent(dateWithoutTime,
            REGEX_EXPRESSION_MAP_TO_REGEX_SPLIT_EXPRESSION.keySet());
    if (formattedDate == null) {
        return null;
    }
    Calendar c = Calendar.getInstance();
    c.clear();
    c.set(Calendar.MONTH, Integer.valueOf(formattedDate.getMonth()).intValue() - 1);
    c.set(Calendar.DATE, Integer.valueOf(formattedDate.getDate()).intValue());
    c.set(Calendar.YEAR, Integer.valueOf(formattedDate.getYear()).intValue());
    return convertCalendar(c);
}

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From source file:org.appcelerator.util.DateUtil.java

/**
 * gets tomorrow as a date//from   w  ww  .j av a 2s.c om
 *
 * @return tomorrow
 */
public static Date tommorow() {
    Calendar calendar = new GregorianCalendar(GMT_TZ);
    calendar.setTime(new Date());

    Calendar tommorow = new GregorianCalendar(GMT_TZ);
    tommorow.clear();
    tommorow.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DATE));
    tommorow.add(Calendar.DATE, 1);
    return tommorow.getTime();
}

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From source file:com.tesora.dve.db.mysql.common.MysqlAPIUtils.java

/**
 * Methods to read and write length coded dates in the Binary Protocol
 * //  w ww  . j  a  v  a2s .c om
 * if year, month, day, hour, minutes, seconds and micro_seconds are all 0,
 * length is 0 and no other field is sent if hour, minutes, seconds and
 * micro_seconds are all 0, length is 4 and no other field is sent if
 * micro_seconds is 0, length is 7 and micro_seconds is not sent otherwise
 * length is 11
 * 
 * Fields 
 *       length (1) -- number of bytes following (valid values: 0, 4, 7, 11) 
 *       year (2) -- year 
 *       month (1) -- month 
 *       day (1) -- day 
 *       hour (1) -- hour
 *       minute (1) -- minutes 
 *       second (1) -- seconds 
 *       micro_second (4) -- micro-seconds
 * 
 */
public static Date getLengthCodedDate(ByteBuf cb) throws PEException {
    final Calendar cal = Calendar.getInstance();
    cal.clear();

    short length = cb.readUnsignedByte();
    if (length >= 4) {
        cal.set(Calendar.YEAR, cb.readUnsignedShort());
        cal.set(Calendar.MONTH, cb.readByte() - 1); // MONTH is zero based
        cal.set(Calendar.DAY_OF_MONTH, cb.readByte());

        if (length >= 7) {
            cal.set(Calendar.HOUR_OF_DAY, cb.readByte());
            cal.set(Calendar.MINUTE, cb.readByte());
            cal.set(Calendar.SECOND, cb.readByte());
        }

        if (length == 11) {
            long microSeconds = cb.readUnsignedInt();
            cal.set(Calendar.MILLISECOND, (int) (microSeconds / 1000));
        }

        if (length > 11) {
            throw new PEException("Invalid length specified to date type (" + length + ")");
        }

        return cal.getTime();
    }

    return null;
}

---

From source file:org.openvpms.web.resource.i18n.format.DateFormatter.java

/**
 * Parse a time from a string, expected to be of the form [H]HMM.
 *
 * @param value   the string to parse//  w  w  w . j  a v a2s .  c  om
 * @param allow24 if {@code true}, allow hours in the range 0..24, else 0..23
 * @return the parsed time
 * @throws NumberFormatException    if the hours or minutes can't be parsed
 * @throws IllegalArgumentException if the hours or minutes exceed the range
 */
private static Date parseHoursMins(String value, boolean allow24) {
    String hourPart;
    if (value.length() == 3) {
        hourPart = value.substring(0, 1);
    } else {
        hourPart = value.substring(0, 2);
    }
    int hours = getHours(hourPart, allow24);
    String minPart = value.substring(hourPart.length());
    int mins = Integer.parseInt(minPart);
    if (mins < 0 || mins > 59) {
        throw new IllegalArgumentException("Minutes exceed range 0..59: " + minPart);
    }
    if (hours == 24 && mins > 0) {
        throw new IllegalArgumentException("Maximum time (24:00) exceeded");
    }
    Calendar calendar = new GregorianCalendar();
    calendar.clear(); // get rid of date, timezone info
    calendar.set(Calendar.HOUR_OF_DAY, hours);
    calendar.set(Calendar.MINUTE, mins);
    return calendar.getTime();
}

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From source file:org.finra.dm.core.DmDateUtils.java

/**
 * Returns a calendar for the current day that does not have the time set.
 *
 * @return the current date.//from   w w w  . j  a  v a 2 s .c  o  m
 */
public static Calendar getCurrentCalendarNoTime() {
    // Get the current year, month, and day before we clear out the fields.
    Calendar calendar = Calendar.getInstance();
    int year = calendar.get(Calendar.YEAR);
    int month = calendar.get(Calendar.MONTH);
    int day = calendar.get(Calendar.DATE);

    // Clear out ALL the fields of the calendar.  If any are not cleared, we run the risk of something being set that we don't want.
    calendar.clear();

    // Update the calendar with just the year, month, and day.
    calendar.set(year, month, day);

    // Return the updated calendar.
    return calendar;
}

---

From source file:org.medici.bia.common.util.DateUtils.java

/**
 * /*  www.  jav  a 2 s  .c o  m*/
 * @return
 */
public static Date getFirstDayOfCurrentMonth() {
    Calendar nowCal = Calendar.getInstance();
    int month = nowCal.get(Calendar.MONTH);
    int year = nowCal.get(Calendar.YEAR);

    Calendar calendar = Calendar.getInstance();
    calendar.clear();
    calendar.set(Calendar.YEAR, year);
    calendar.set(Calendar.MONTH, month);
    calendar.set(Calendar.DAY_OF_MONTH, 1);
    return new Date(calendar.getTimeInMillis());
}

---

From source file:cn.ipanel.apps.portalBackOffice.util.CommonsFiend.java

/**
 * // ww w  . j av a  2s  . c o  m
 * 
 * @param date
 *            yyyy-MM
 * @return
 * @author lixiang
 * @throws ParseException
 * @create 2008-9-22 01:59:33
 * @since
 */
public static List getDatesList(String date) throws ParseException {
    DateFormat format = new SimpleDateFormat("yyyy-MM");
    Calendar time = Calendar.getInstance();
    time.clear();
    Date d1 = format.parse(date);
    time.setTime(d1);
    int day = time.getActualMaximum(Calendar.DAY_OF_MONTH);
    DateFormat formats = new SimpleDateFormat(Defines.FORMAT_DATE_STRING);
    List list = new ArrayList();
    for (int i = 1; i <= day; i++) {
        String s = format.format(d1) + "-" + i;
        Date sss = formats.parse(s);
        String dd = formats.format(sss);
        list.add(dd);
    }
    return list;
}

---

From source file:com.clustercontrol.collect.util.CollectDataUtil.java

/**
 * ???? Queue ? put ?//from  www.  j a  v a  2  s  .c  o m
 *
 * @param sample
 *            
 * @throws HinemosUnknown
 * @throws Exception
 */
public static void put(List<Sample> sampleList) {
    m_log.debug("put() start");

    List<CollectData> collectdata_entities = new ArrayList<CollectData>();
    List<SummaryHour> summaryhour_entities = new ArrayList<SummaryHour>();
    List<SummaryDay> summaryday_entities = new ArrayList<SummaryDay>();
    List<SummaryMonth> summarymonth_entities = new ArrayList<SummaryMonth>();
    JpaTransactionManager jtm = new JpaTransactionManager();
    jtm.begin();

    for (Sample sample : sampleList) {
        // for debug
        if (m_log.isDebugEnabled()) {
            m_log.debug("put() dateTime = " + sample.getDateTime());
            ArrayList<PerfData> list = sample.getPerfDataList();
            for (PerfData data : list) {
                m_log.info("put() list facilityId = " + data.getFacilityId() + ", value = " + data.getValue());
            }
        }

        ArrayList<PerfData> list = sample.getPerfDataList();
        String monitorId = sample.getMonitorId();

        Long time = HinemosTime.currentTimeMillis();
        for (PerfData data : list) {
            m_log.debug("persist itemCode = " + data.getItemName());
            String itemName = data.getItemName();
            String facilityId = data.getFacilityId();
            String displayName = data.getDisplayName();
            CollectData collectData = null;
            SummaryHour summaryHour_c = null;
            SummaryDay summaryDay_c = null;
            SummaryMonth summaryMonth_c = null;

            Integer collectorid = getId(itemName, displayName, monitorId, facilityId, jtm);
            CollectDataPK pk = new CollectDataPK(collectorid, time);
            Float value = null;
            if (data.getValue() != null) {
                value = Float.parseFloat(data.getValue().toString());
            }
            collectData = new CollectData(pk, value);
            collectdata_entities.add(collectData);

            // Summary??
            // ??????
            Long hour = (time + TIMEZONE) / 1000 / 3600 * 3600 * 1000 - TIMEZONE;
            // ???????
            Long day = (time + TIMEZONE) / 1000 / 3600 / 24 * 24 * 3600 * 1000 - TIMEZONE;
            // ???
            Calendar calendar = HinemosTime.getCalendarInstance();
            calendar.setTimeInMillis(time);
            int y = calendar.get(Calendar.YEAR);
            int m = calendar.get(Calendar.MONTH);
            calendar.clear();
            calendar.set(y, m, 1);
            Long month = calendar.getTimeInMillis();

            // SummaryHour
            CollectDataPK pk_h = new CollectDataPK(collectorid, hour);
            try {
                SummaryHour summaryHour = QueryUtil.getSummaryHour(pk_h);
                summaryHour_c = summaryHour.clone();
                Integer h_count = summaryHour_c.getCount();
                if (value != null) {
                    summaryHour_c.setAvg((value + summaryHour_c.getAvg() * h_count) / (h_count + 1));
                    summaryHour_c.setMin(summaryHour_c.getMin() < value ? summaryHour_c.getMin() : value);
                    summaryHour_c.setMax(summaryHour_c.getMax() > value ? summaryHour_c.getMax() : value);
                } else {
                    summaryHour_c.setAvg(summaryHour_c.getAvg() * h_count / (h_count + 1));
                    summaryHour_c.setMin(summaryHour_c.getMin());
                    summaryHour_c.setMax(summaryHour_c.getMax());
                }
                summaryHour_c.setCount(h_count + 1);
            } catch (CollectKeyNotFound e) {
                summaryHour_c = new SummaryHour(pk_h, value, value, value, 1);
            }

            // SummaryDay
            CollectDataPK pk_d = new CollectDataPK(collectorid, day);
            try {
                SummaryDay summaryDay = QueryUtil.getSummaryDay(pk_d);
                summaryDay_c = summaryDay.clone();
                Integer d_count = summaryDay_c.getCount();
                if (value != null) {
                    summaryDay_c.setAvg((value + summaryDay_c.getAvg() * d_count) / (d_count + 1));
                    summaryDay_c.setMin(summaryDay_c.getMin() < value ? summaryDay_c.getMin() : value);
                    summaryDay_c.setMax(summaryDay_c.getMax() > value ? summaryDay_c.getMax() : value);
                } else {
                    summaryDay_c.setAvg(summaryDay_c.getAvg() * d_count / (d_count + 1));
                    summaryDay_c.setMin(summaryDay_c.getMin());
                    summaryDay_c.setMax(summaryDay_c.getMax());
                }
                summaryDay_c.setCount(d_count + 1);

            } catch (CollectKeyNotFound e) {
                summaryDay_c = new SummaryDay(pk_d, value, value, value, 1);
            }

            // SummaryMonth
            CollectDataPK pk_m = new CollectDataPK(collectorid, month);
            try {
                SummaryMonth summaryMonth = QueryUtil.getSummaryMonth(pk_m);
                summaryMonth_c = summaryMonth.clone();
                Integer m_count = summaryMonth_c.getCount();
                if (value != null) {
                    summaryMonth_c.setAvg((value + summaryMonth_c.getAvg() * m_count) / (m_count + 1));
                    summaryMonth_c.setMin(summaryMonth_c.getMin() < value ? summaryMonth_c.getMin() : value);
                    summaryMonth_c.setMax(summaryMonth_c.getMax() > value ? summaryMonth_c.getMax() : value);
                } else {
                    summaryMonth_c.setAvg(summaryMonth_c.getAvg() * m_count / (m_count + 1));
                    summaryMonth_c.setMin(summaryMonth_c.getMin());
                    summaryMonth_c.setMax(summaryMonth_c.getMax());
                }
                summaryMonth_c.setCount(m_count + 1);
            } catch (CollectKeyNotFound e) {
                summaryMonth_c = new SummaryMonth(pk_m, value, value, value, 1);
            }

            summaryhour_entities.add(summaryHour_c);
            summaryday_entities.add(summaryDay_c);
            summarymonth_entities.add(summaryMonth_c);
        }
        m_log.debug("insert() end : dateTime = " + sample.getDateTime());
    }
    jtm.commit();
    List<JdbcBatchQuery> query = new ArrayList<JdbcBatchQuery>();
    // ()?
    if (!collectdata_entities.isEmpty()) {
        query.add(new CollectDataJdbcBatchInsert(collectdata_entities));
    }
    if (!summaryhour_entities.isEmpty()) {
        query.add(new SummaryHourJdbcBatchUpsert(summaryhour_entities));
    }
    if (!summaryday_entities.isEmpty()) {
        query.add(new SummaryDayJdbcBatchUpsert(summaryday_entities));
    }
    if (!summarymonth_entities.isEmpty()) {
        query.add(new SummaryMonthJdbcBatchUpsert(summarymonth_entities));
    }
    JdbcBatchExecutor.execute(query);
    jtm.close();
    m_log.debug("put() end");
}

---

From source file:com.greenline.guahao.biz.util.DateUtils.java

public static String getToSearchShiftCaseDate(String toSearchShiftCaseDate) {
    if (StringUtils.isBlank(toSearchShiftCaseDate) || SearchExpertsDO.NOT_LIMIT.equals(toSearchShiftCaseDate)
            || "??".equals(toSearchShiftCaseDate)) {
        return null;
    }//w  ww.j ava2  s  .c  o m
    toSearchShiftCaseDate = toSearchShiftCaseDate.replaceAll("-", "");// ?yyyy-MM-dd?
    if (!isNumeric(toSearchShiftCaseDate) || toSearchShiftCaseDate.length() != 8) {
        logger.error("?" + toSearchShiftCaseDate);
        return null;
    }
    SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
    Calendar c = Calendar.getInstance();
    try {
        Date date = sdf.parse(toSearchShiftCaseDate);
        c.clear();
        c.setTime(date);
        // 235959
        c.set(Calendar.HOUR_OF_DAY, 23);
        c.set(Calendar.MINUTE, 59);
        c.set(Calendar.SECOND, 59);
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
        return simpleDateFormat.format(c.getTime());
    } catch (Exception e) {
        logger.error("???" + toSearchShiftCaseDate, e);
    }
    return null;
}

---

From source file:com.bjorsond.android.timeline.utilities.Utilities.java

public static Date getLastDayOfMonth(Date dateInMonth) {

    Calendar calendar = Calendar.getInstance();
    calendar.setTime(dateInMonth);/* www . jav  a  2s . c  om*/
    int lastDate = calendar.getActualMaximum(Calendar.DATE);
    calendar.clear();
    calendar.set(Calendar.DATE, lastDate);

    return calendar.getTime();

}

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