static Date parseDate(String s) {
Calendar c = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
int year = Integer.parseInt(s.substring(0, 4));
int month = Integer.parseInt(s.substring(4, 6)) - 1;
int date = Integer.parseInt(s.substring(6, 8));
int hour = Integer.parseInt(s.substring(8, 10));
int minute = Integer.parseInt(s.substring(10, 12));
int second = Integer.parseInt(s.substring(12, 14));
c.set(year, month, date, hour, minute, second);
return c.getTime();
}
static String formatDate(Date d) {
Calendar c = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
StringBuffer sb = new StringBuffer();
NumberFormat w4 = new DecimalFormat();
w4.setMinimumIntegerDigits(4);
w4.setGroupingUsed(false);
NumberFormat w2 = new DecimalFormat();
w2.setMinimumIntegerDigits(2);
c.setTime(d);
sb.append(w4.format(c.get(c.YEAR)));
sb.append(w2.format(c.get(c.MONTH) + 1));
sb.append(w2.format(c.get(c.DAY_OF_MONTH)));
sb.append(w2.format(c.get(c.HOUR_OF_DAY)));
sb.append(w2.format(c.get(c.MINUTE)));
sb.append(w2.format(c.get(c.SECOND)));
return sb.toString();
}