Example usage for java.util GregorianCalendar setTimeZone

Introduction

In this page you can find the example usage for java.util GregorianCalendar setTimeZone.

Prototype

@Override
    public void setTimeZone(TimeZone zone)

Source Link

Usage

From source file:com.projity.contrib.calendar.ContribIntervals.java

public static GregorianCalendar calendarInstance() {
    GregorianCalendar cal = new GregorianCalendar();
    cal.setTimeZone(DateUtils.UTC_TIME_ZONE);
    return cal;//from   w ww  .  j a va 2s .  com
}

From source file:org.springframework.cloud.netflix.rx.ObservableSseEmitterTest.java

private static Date getDate(int year, int month, int day) {
    GregorianCalendar calendar = new GregorianCalendar(year, month, day, 12, 0, 0);
    calendar.setTimeZone(TimeZone.getTimeZone("UTC"));
    return calendar.getTime();
}

From source file:DateUtility.java

/**
 * This will retun the first millisecond of the month 
 * that contains the timestamp provided//from  ww w .ja  v  a2s.co m
 * @param timestamp
 * @return long
 */
static public long getFirstMilliOfMonth(long timestamp, TimeZone tz) {
    GregorianCalendar cal = new GregorianCalendar();
    cal.setTimeZone(tz);
    cal.setTime(new Date(timestamp));
    cal.set(Calendar.DAY_OF_MONTH, 1);
    cal.set(Calendar.HOUR_OF_DAY, 0);
    cal.set(Calendar.MINUTE, 0);
    cal.set(Calendar.SECOND, 0);
    cal.set(Calendar.MILLISECOND, 0);

    Date date = cal.getTime();

    return date.getTime();
}

From source file:DateUtility.java

/**
 * Gets the last millsecond of the month, according to the timestamp and 
 * timezone arguments.//from  ww  w .  j  a  v a2  s.  c  o m
 * @param timestamp
 * @param tz
 * @return long
 */
static public long getLastMilliOfMonth(long timestamp, TimeZone tz) {
    timestamp = getFirstMilliOfMonth(timestamp, tz);

    GregorianCalendar cal = new GregorianCalendar();
    cal.setTimeZone(tz);
    cal.setTime(new Date(timestamp));

    // now we'll roll the calendar forward one month.
    // in the case of december, we need to roll forward the year too    
    if (cal.get(GregorianCalendar.MONTH) == GregorianCalendar.DECEMBER) {
        cal.roll(GregorianCalendar.YEAR, true);
    }

    cal.roll(GregorianCalendar.MONTH, true);

    long date = cal.getTime().getTime();

    date = date - 1L;
    return date;
}

From source file:DateUtility.java

/**
 * This utility returns the first millsecond 
 * of the month, and year, and timezone supplied as arguments.
 *
 * @param int month/*from w  w  w.  ja v  a 2s  . c om*/
 * @param int year
 * @param TimeZone tz
 * @return long
 */
static public long getFirstMilliOfMonth(int year, int month, TimeZone tz) {
    GregorianCalendar cal = new GregorianCalendar(year, (month - 1), 1);
    cal.setTimeZone(tz);
    return cal.getTime().getTime();
}

From source file:Main.java

public static XMLGregorianCalendar getXMLDate(final Calendar calendar) {
    GregorianCalendar c;
    if (calendar instanceof GregorianCalendar) {
        c = (GregorianCalendar) calendar;
    } else {/*from w w  w .  j av a 2s .  c o m*/
        c = new GregorianCalendar();
        c.setTimeZone(UTC);
        c.setTime(calendar.getTime());
    }

    try {
        XMLGregorianCalendar ret = DatatypeFactory.newInstance().newXMLGregorianCalendar(c);
        ret.setMillisecond(DatatypeConstants.FIELD_UNDEFINED);
        return ret;
    } catch (DatatypeConfigurationException e) {
        return null;
    }
}

From source file:DateUtility.java

/**
 * This utility returns the last millsecond 
 * of the month, and year, and timezone supplied as arguments.
 *
 * @param int month//from   w  w  w .  j  av a2 s .c  o m
 * @param int year
 * @param TimeZone tz
 * @return long
 */
static public long getLastMilliOfMonth(int year, int month, TimeZone tz) {
    GregorianCalendar cal = new GregorianCalendar(year, (month - 1), 1);
    cal.setTimeZone(tz);

    // set the maximum last day
    int lastday = cal.getActualMaximum(GregorianCalendar.DAY_OF_MONTH);
    cal.set(GregorianCalendar.DAY_OF_MONTH, lastday);

    // set other calendar maximums.  - we should do this programatically
    // too but i'm too lazy, and i dont think they're gonna change the gregorian
    // calendar anytime soon.. eh?
    cal.set(GregorianCalendar.HOUR_OF_DAY, 23);
    cal.set(GregorianCalendar.MINUTE, 59);
    cal.set(GregorianCalendar.SECOND, 59);
    cal.set(GregorianCalendar.MILLISECOND, 999);

    long time = cal.getTime().getTime();
    return time;
}

From source file:DateUtils.java

public static final GregorianCalendar getCurrentCalendar(String utimezonestring) {
    try {//from w  ww  . j  av  a 2  s .  c  o m
        GregorianCalendar gc = new GregorianCalendar();

        gc.setTimeZone(TimeZone.getTimeZone(utimezonestring));
        return gc;
    } catch (Exception e) {
        //If exception, return server TimeStamp
        return new GregorianCalendar();
    }
}

From source file:DateUtils.java

public static final String dateToString(Date dt, String tzString, String dateformat) {
    GregorianCalendar cal = new GregorianCalendar();
    cal.setTime(dt);//from   w  w  w.  ja va  2  s .c  o m
    cal.setTimeZone(TimeZone.getTimeZone(tzString));

    StringBuffer ret = new StringBuffer();
    String separator = new String();
    if (dateformat.equals(DateUtils.FORMAT_YYYYMMDD)) {
        separator = "-";
    }
    if (dateformat.equals(DateUtils.FORMAT_YYYYMMDD_SLASHES)) {
        separator = "/";
    }
    ret.append(cal.get(Calendar.YEAR));
    ret.append(separator);
    ret.append(cal.get(Calendar.MONTH) + 1);
    ret.append(separator);
    ret.append(cal.get(Calendar.DATE));

    return ret.toString();
}

From source file:DateUtils.java

public static final String getTimeFromDate(Date dt, String tzString) {
    try {/*from  www  .  j a  va2 s . co m*/
        GregorianCalendar gc = new GregorianCalendar();
        gc.setTime(dt);
        gc.setTimeZone(TimeZone.getTimeZone(tzString));
        StringBuffer ret = new StringBuffer();
        ret.append(gc.get(Calendar.HOUR));
        ret.append(":");
        ret.append(gc.get(Calendar.MINUTE));
        ret.append(" ");
        if (gc.get(Calendar.AM_PM) == 0) {
            ret.append("AM");
        } else {
            ret.append("PM");
        }
        return ret.toString();
    } catch (Exception e) {
        return "";
    }
}