List of usage examples for java.util Calendar MINUTE
int MINUTE
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get and set indicating the minute within the hour. From source file:com.wiiyaya.framework.common.utils.DateUtils.java
/** * 00:00:00//from w ww. j ava 2s . c om * * @param date * @return ?? */ public static Date setDayStart(final Date date) { final Calendar c = Calendar.getInstance(); c.setLenient(false); c.setTime(date); c.set(Calendar.HOUR_OF_DAY, 0); c.set(Calendar.MINUTE, 0); c.set(Calendar.SECOND, 0); return c.getTime(); }
From source file:Util.java
public static byte[] packDate(Date date) { Calendar c = Calendar.getInstance(); c.setTime(date);// www . j a va2s . c om // Byte bits: 00000000 11111111 22222222 33333333 44444444 // Contents : 00YYYYYY YYYYYYMM MMDDDDDH HHHHMMMM MMSSSSSS byte[] bytes = new byte[5]; int s = c.get(Calendar.SECOND); int m = c.get(Calendar.MINUTE); int h = c.get(Calendar.HOUR_OF_DAY); int d = c.get(Calendar.DATE); int mm = c.get(Calendar.MONTH) + 1; int y = c.get(Calendar.YEAR); bytes[4] = (byte) ((m << 6) | s); bytes[3] = (byte) ((m >> 2) | (h << 4)); bytes[2] = (byte) ((h >> 4) | (d << 1) | (mm << 6)); bytes[1] = (byte) ((mm >> 2) | (y << 2)); bytes[0] = (byte) (y >> 6); return bytes; }
From source file:Main.java
/** * Decode a 16-bit encoded DOS date/time into a java date/time. * /*from w w w . ja v a 2 s .c o m*/ * @param dosDate * @param dosTime * @return long */ public static long decodeDateTime(int dosDate, int dosTime) { final Calendar cal = Calendar.getInstance(); cal.set(Calendar.MILLISECOND, 0); cal.set(Calendar.SECOND, (dosTime & 0x1f) * 2); cal.set(Calendar.MINUTE, (dosTime >> 5) & 0x3f); cal.set(Calendar.HOUR_OF_DAY, dosTime >> 11); cal.set(Calendar.DATE, dosDate & 0x1f); cal.set(Calendar.MONTH, ((dosDate >> 5) & 0x0f) - 1); cal.set(Calendar.YEAR, 1980 + (dosDate >> 9)); return cal.getTimeInMillis(); }
From source file:Main.java
/** * Formats a date/time value as a string. * //from www .ja va 2 s . c o m * @param date the date to format * @return the formatted date */ public static String formatDateTime(Calendar date) { StringBuilder builder = new StringBuilder(16); appendField(builder, date.get(Calendar.YEAR), 4); appendField(builder, date.get(Calendar.MONTH) + 1, 2); appendField(builder, date.get(Calendar.DAY_OF_MONTH), 2); appendField(builder, date.get(Calendar.HOUR_OF_DAY), 2); appendField(builder, date.get(Calendar.MINUTE), 2); appendField(builder, date.get(Calendar.SECOND), 2); return builder.toString(); }
From source file:Main.java
private static void setStartOfDayToCalendar(Calendar c) { c.set(Calendar.HOUR_OF_DAY, 0); c.set(Calendar.MINUTE, 0); c.set(Calendar.SECOND, 0); }
From source file:Main.java
public static void moveToCalendarMinute(Calendar cal, int minute) { assertArgumentNotMinusInteger("minute", minute); cal.set(Calendar.MINUTE, minute); }
From source file:Main.java
/*** * Fetch the estimate current time of arrival at the destination * @param timeZone - The timezone at the destination * @param distance - how far to the target * @param speed - how fast we are moving * @return String - "HH:MM" current time at the target *///from ww w . ja va 2s .co m public static String calculateEta(TimeZone timeZone, double distance, double speed) { // If no speed, then return an empty display string if (0 == speed) { return "--:--"; } // fetch the raw ETE Time eteRaw = fetchRawEte(distance, speed, 0, true); // If the eteRaw is meaningless, then return an empty display string if (null == eteRaw) { return "--:--"; } // Break the hours and minutes out int eteHr = eteRaw.hour; int eteMin = eteRaw.minute; // Hours greater than 99 are not displayable if (eteHr > 99) { return "XX:XX"; } // Get the current local time hours and minutes int etaHr = Calendar.getInstance().get(Calendar.HOUR_OF_DAY); int etaMin = Calendar.getInstance().get(Calendar.MINUTE); // Add in our ETE to the current time, accounting for rollovers etaMin += eteMin; // Add the estimated minutes enroute to "now" if (etaMin > 59) { etaMin -= 60; etaHr++; } // account for minute rollover etaHr += eteHr; // Now add the hours enroute while (etaHr > 23) { etaHr -= 24; } // account for midnight rollover // Format the hours and minutes String strHr = String.format(Locale.getDefault(), "%02d", etaHr); String strMn = String.format(Locale.getDefault(), "%02d", etaMin); // Build string of return return strHr + ":" + strMn; }
From source file:Main.java
/*** * Fetch the estimate current time of arrival at the destination * @param timeZone - The timezone at the destination * @param distance - how far to the target * @param speed - how fast we are moving * @param bearing - direction to target//from w w w. jav a2s . c om * @param heading - direction of movement * @return String - "HH:MM" current time at the target */ public static String calculateEta(TimeZone timeZone, double distance, double speed, double bearing, double heading) { // fetch the raw ETE int eteRaw = fetchRawEte(distance, speed, bearing, heading); // If no speed, or the eteRaw is meaningless, then return an empty display string if (0 == speed || eteRaw == -1) { return "--:--"; } // Break the hours and minutes out int eteHr = eteRaw / 100; int eteMin = eteRaw % 100; // Hours greater than 99 are not displayable if (eteHr > 99) { return "XX:XX"; } // Get the current local time hours and minutes int etaHr = Calendar.getInstance().get(Calendar.HOUR_OF_DAY); int etaMin = Calendar.getInstance().get(Calendar.MINUTE); // Add in our ETE to the current time, accounting for rollovers etaMin += eteMin; // Add the estimated minutes enroute to "now" if (etaMin > 59) { etaMin -= 60; etaHr++; } // account for minute rollover etaHr += eteHr; // Now add the hours enroute while (etaHr > 23) { etaHr -= 24; } // account for midnight rollover // Format the hours and minutes String strHr = String.format(Locale.getDefault(), "%02d", etaHr); String strMn = String.format(Locale.getDefault(), "%02d", etaMin); // Build string of return return strHr + ":" + strMn; }
From source file:Main.java
/** * @param startDateTime//from w ww . jav a 2 s .c o m * @param endDateTime * @return the difference in hours between the second timestamp and first */ public static double getDifferenceInHours(Timestamp startDateTime, Timestamp endDateTime) { int difference = 0; Calendar startCalendar = Calendar.getInstance(); startCalendar.setTime(startDateTime); Calendar endCalendar = Calendar.getInstance(); endCalendar.setTime(endDateTime); // First, get difference in whole days Calendar startCompare = Calendar.getInstance(); startCompare.setTime(startDateTime); startCompare.set(Calendar.HOUR_OF_DAY, 0); startCompare.set(Calendar.MINUTE, 0); Calendar endCompare = Calendar.getInstance(); endCompare.setTime(endDateTime); endCompare.set(Calendar.HOUR_OF_DAY, 0); endCompare.set(Calendar.MINUTE, 0); return (endCalendar.getTimeInMillis() - startCalendar.getTimeInMillis()) / (60.0000 * 60.0000 * 1000.0000); }
From source file:Main.java
/** * Returns milliseconds of the date argument dt. If the argument * isIncludeTime is false then the returned milliseconds does not include * time./*from w w w .jav a2s. co m*/ * * @param dt * @param isIncludeTime * @return */ private static long getDate(Date dt, boolean isIncludeTime) { Calendar cal = GregorianCalendar.getInstance(); cal.setTime(dt); if (!isIncludeTime) { cal.set(Calendar.HOUR, 0); cal.set(Calendar.MINUTE, 0); cal.set(Calendar.SECOND, 0); cal.set(Calendar.MILLISECOND, 0); } return cal.getTimeInMillis(); }