List<String> calc(String str_date) {
long myDateMillis = 0;
long d1900 = 0;
Date myDate = null;
List<String> ls = new ArrayList<String>();
try {
myDate = parseDate(str_date);
System.out.println(printDate(myDate) + " // orig date");
//
Calendar cal = Calendar.getInstance();
cal.setTime(myDate);
cal.add(Calendar.HOUR, -5);
cal.add(Calendar.MINUTE, -30);
myDate = cal.getTime(); // Update date to -5:30
//
Calendar c = Calendar.getInstance();
c.clear();
c.setTimeZone(TimeZone.getTimeZone("GMT"));
c.set(1900, 0, 1, 0, 0, 0);
d1900 = c.getTimeInMillis();
System.out.println(printDate(c.getTime()) + " // 1900");
for (int i = 0; i < 10; i++) {
long durInSec = (cal.getTimeInMillis() - d1900) / 1000;
String durInSecHex = Long.toHexString(durInSec);
System.out.println(printDate(cal.getTime()) + " " + durInSec + " " + durInSecHex);
ls.add(durInSecHex);
cal.add(Calendar.SECOND, +50);
}
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return ls;
} // DateCalc constructor
public Date parseDate(String s) throws ParseException {
DateFormat sdf;
sdf = new SimpleDateFormat("yyyyyy/MM/dd HH:mm:ss Z");
sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
return (Date) sdf.parse(s);
}
public String printDate(Date d) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss Z");
sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
return sdf.format(d);
}