Example usage for java.util TimeZone getTimeZone

Introduction

In this page you can find the example usage for java.util TimeZone getTimeZone.

Prototype

public static TimeZone getTimeZone(ZoneId zoneId)

Source Link

Document

Gets the TimeZone for the given zoneId .

Usage

From source file:Main.java

/**
 * Returns current unix date in GMT as long value
 *
 * @return current date as long//ww w  . j  a  v  a2s  .  c  o m
 */
public static long getCurrentLongDate() {
    Calendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT"));

    return cal.getTime().getTime();
}

From source file:Main.java

/**
 * Convert to String a date that is received as parameter.
 *
 * @param date the date/*from ww w . jav  a  2  s. co  m*/
 * @return String
 */

public static String toStringDate(Date date) {
    String formatoFecha = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";
    SimpleDateFormat sdf = new SimpleDateFormat(formatoFecha);
    sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
    return date == null ? null : URLEncoder.encode(sdf.format(date));
}

From source file:Main.java

/**
 * Convert the given Julian Day to Gregorian Date (in UT time zone).
 * Based on the formula given in the Explanitory Supplement to the
 * Astronomical Almanac, pg 604.//w  ww .  j a v a2 s .  c  o  m
 */
public static Date calculateGregorianDate(double jd) {
    int l = (int) jd + 68569;
    int n = (4 * l) / 146097;
    l = l - (146097 * n + 3) / 4;
    int i = (4000 * (l + 1)) / 1461001;
    l = l - (1461 * i) / 4 + 31;
    int j = (80 * l) / 2447;
    int d = l - (2447 * j) / 80;
    l = j / 11;
    int m = j + 2 - 12 * l;
    int y = 100 * (n - 49) + i + l;

    double fraction = jd - Math.floor(jd);
    double dHours = fraction * 24.0;
    int hours = (int) dHours;
    double dMinutes = (dHours - hours) * 60.0;
    int minutes = (int) dMinutes;
    int seconds = (int) ((dMinutes - minutes) * 60.0);

    Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("UT"));
    cal.set(y, m - 1, d, hours + 12, minutes, seconds);
    return cal.getTime();
}

From source file:Main.java

public static String StampToString(long stamp) {
    /*//from  w  w  w . j  a  va 2s.co m
     String[] formats = new String[] {  
     "yyyy-MM-dd",   
     "yyyy-MM-dd HH:mm",  
     "yyyy-MM-dd HH:mmZ",   
     "yyyy-MM-dd HH:mm:ss.SSSZ",
     "yyyy-MM-dd'T'HH:mm:ss.SSSZ",
     }; 
     */
    Date date = null;
    Calendar calendar = Calendar.getInstance();
    calendar.setTimeInMillis(stamp);
    date = calendar.getTime();

    String format = STAMP_TO_STRING;
    SimpleDateFormat sdf = new SimpleDateFormat(format);
    sdf.setTimeZone(TimeZone.getTimeZone(TIME_ZONE_PRC));

    return sdf.format(date);

}

From source file:Main.java

/**
 * To date string.//  ww  w  . j  ava 2s  .  c o m
 *
 * @param date the date
 * @return the date
 */
@SuppressLint("SimpleDateFormat")
public static Date toDateString(String date) {
    String formatoFecha = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";
    SimpleDateFormat sdf = new SimpleDateFormat(formatoFecha);
    sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
    try {
        return date == null ? null : sdf.parse(date);
    } catch (ParseException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static Calendar getCurrentTime() {
    Calendar utc = GregorianCalendar.getInstance(TimeZone.getTimeZone("UTC"));
    return utc;
}

From source file:Main.java

/**
 * getDateAsString//  w  w  w. j  ava 2  s .co m
 * Convert a date into a string
 *
 * @param date   the date
 * @param format the format in which to return the string
 * @return the new formatted date string
 */
public static String getDateAsString(Date date, String format, String timezone) {
    DateFormat formatter = new SimpleDateFormat(format, Locale.getDefault());
    if (timezone == null) {
        formatter.setTimeZone(TimeZone.getDefault());
    } else {
        formatter.setTimeZone(TimeZone.getTimeZone(timezone));
    }
    return formatter.format(date);
}

From source file:Main.java

public static int[] getTime(long time, String timeZone) {
    Calendar c = Calendar.getInstance();
    if (timeZone != null && timeZone.length() != 0) {
        TimeZone tz = TimeZone.getTimeZone(timeZone);
        c = Calendar.getInstance(tz);
    }//from   w w  w .jav  a  2  s . co m
    c.setTimeInMillis(time);
    int y = c.get(Calendar.YEAR);
    int m = c.get(Calendar.MONTH);
    int d = c.get(Calendar.DAY_OF_MONTH);
    int hour = c.get(Calendar.HOUR_OF_DAY);
    int minute = c.get(Calendar.MINUTE);
    int second = c.get(Calendar.SECOND);
    return new int[] { y, m, d, hour, minute, second };
}

From source file:Main.java

/**
 * Format a time in seconds to a HH:MM:SS string.
 * @param seconds the time in seconds// w  w  w . jav  a 2s.c  o  m
 * @return the formatted time
 */
private static String formatSecondsToHMS(long seconds) {
    if (null == mHourMinSecFormat) {
        mHourMinSecFormat = new SimpleDateFormat("HH:mm:ss");
        mHourMinSecFormat.setTimeZone(TimeZone.getTimeZone("UTC"));

        mMinSecFormat = new SimpleDateFormat("mm:ss");
        mMinSecFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
    }

    if (seconds < 3600) {
        return mMinSecFormat.format(new Date(seconds * 1000));
    } else {
        return mHourMinSecFormat.format(new Date(seconds * 1000));
    }
}

From source file:Main.java

public static String getLocalTimeString(String strGMTTime) {
    String strLocalTime = null;//  w w w . java  2 s .com
    try {
        GMTTimeFormatter.setTimeZone(TimeZone.getTimeZone("GMT"));
        Date date = GMTTimeFormatter.parse(strGMTTime);
        LocalTimeFormatter.setTimeZone(TimeZone.getDefault());
        strLocalTime = LocalTimeFormatter.format(date);
    } catch (ParseException e) {
        e.printStackTrace();
    }
    return strLocalTime;
}