/*
* XXX: okay, this is vile.
* Mon, 17 Jan 1994 11:14:55 -0500 (EST)
*
* In local time
*/
public long parseLocalDate(String string) throws Exception {
long time = parseDate(string);
synchronized (this) {
setLocalTime(time);
return getGMTTime();
}
}
/** Creates the date from local or GMT. */
public QDate(TimeZone zone) {
_timeZone = zone;
if (zone == _gmtTimeZone) {
_stdName = _gmtStdName;
_dstName = _gmtDstName;
} else if (zone == _localTimeZone) {
_stdName = _localStdName;
_dstName = _localDstName;
} else {
_stdName = _timeZone.getDisplayName(false, TimeZone.SHORT);
_dstName = _timeZone.getDisplayName(true, TimeZone.SHORT);
}
_calendar = new GregorianCalendar(_timeZone);
setLocalTime(System.currentTimeMillis());
}
private long parseISO8601Date(String string, int pos) throws Exception {
int strlen = string.length();
int year = 0;
char ch = string.charAt(pos);
if ('0' <= ch && ch <= '9') {
year = scanISOInt(string, pos, strlen, 4);
pos += 4;
}
if (pos < strlen && string.charAt(pos) == '-') pos++;
int month = 0;
if (pos < strlen && '0' <= (ch = string.charAt(pos)) && ch <= '9') {
month = scanISOInt(string, pos, strlen, 2);
month--;
pos += 2;
} else if (ch == 'W') return Long.MAX_VALUE;
if (pos < strlen && string.charAt(pos) == '-') pos++;
int day = 0;
if (pos < strlen && '0' <= (ch = string.charAt(pos)) && ch <= '9') {
day = scanISOInt(string, pos, strlen, 2);
day--;
pos += 2;
}
int hour = 0;
int minute = 0;
int second = 0;
int millisecond = 0;
if (pos < strlen && string.charAt(pos) == 'T') {
pos++;
if (pos < strlen && '0' <= (ch = string.charAt(pos)) && ch <= '9') {
hour = scanISOInt(string, pos, strlen, 2);
pos += 2;
}
// XXX: fractions can technically be used anywhere by using a
// , or . instead of a :
// e.g. 14:30,5 == 14:30:30
if (pos < strlen && string.charAt(pos) == ':') pos++;
if (pos < strlen && '0' <= (ch = string.charAt(pos)) && ch <= '9') {
minute = scanISOInt(string, pos, strlen, 2);
pos += 2;
}
if (pos < strlen && string.charAt(pos) == ':') pos++;
if (pos < strlen && '0' <= (ch = string.charAt(pos)) && ch <= '9') {
second = scanISOInt(string, pos, strlen, 2);
pos += 2;
}
if (pos < strlen && (string.charAt(pos) == '.' || string.charAt(pos) == ',')) {
pos++;
// XXX: fractions can be any strlen, not just 3
millisecond = scanISOInt(string, pos, strlen, 3);
pos += 3;
}
}
long timeOfDay = millisecond + 1000 * (second + 60 * (minute + 60 * hour));
// XXX: gross hack
if (year <= 1600) day--;
long time =
(MS_PER_DAY * (yearToDayOfEpoch(year) + monthToDayOfYear(month, isLeapYear(year)) + day)
+ timeOfDay);
if (strlen <= pos) {
setLocalTime(time);
return _localTimeOfEpoch;
}
if (string.charAt(pos) == 'Z') {
pos++;
} else if (string.charAt(pos) == '-' || string.charAt(pos) == '+') {
int sign = -1;
if (string.charAt(pos) == '-') sign = 1;
pos++;
int tzHour = scanISOInt(string, pos, strlen, 2);
pos += 2;
int tzMinute = 0;
if (pos < strlen && string.charAt(pos) == ':') pos++;
if (pos < strlen && '0' <= (ch = string.charAt(pos)) && ch <= '9') {
tzMinute = scanISOInt(string, pos, strlen, 2);
pos += 2;
}
time += sign * 1000 * (60 * (tzMinute + 60 * tzHour));
} else {
setLocalTime(time);
return _localTimeOfEpoch;
}
pos = skipWhitespace(string, strlen, pos);
if (pos < strlen) throw new Exception("extra junk at end of ISO date");
setGMTTime(time);
return _localTimeOfEpoch;
}
/*
* XXX: okay, this is vile.
* Mon, 17 Jan 1994 11:14:55 -0500 (EST)
*
* In GMT time
*/
public long parseDate(String string) throws Exception {
try {
int strlen = string.length();
if (strlen == 0) return 0;
int i = skipWhitespace(string, strlen, 0);
int ch = string.charAt(i);
if (ch >= '0' && ch <= '9'
|| (ch == 'T'
&& i + 1 < strlen
&& string.charAt(i + 1) >= '0'
&& string.charAt(i + 1) <= '9')) return parseISO8601Date(string, i);
CharBuffer cb = new CharBuffer();
i = scan(string, 0, cb, true);
if (cb.length() == 0 || !Character.isDigit(cb.charAt(0))) i = scan(string, i, cb, true);
int dayOfMonth = parseInt(cb);
i = scan(string, i, cb, true);
String smonth = cb.toString();
int month;
for (month = 0; month < 12; month++) {
if (MONTH_NAMES[(int) month].equalsIgnoreCase(smonth)) break;
}
if (month == 12) throw new Exception("Unexpected month: " + month);
i = scan(string, i, cb, true);
int year = parseInt(cb);
if (cb.length() < 3 && year < 50) year += 2000;
else if (cb.length() < 3 && year < 100) year += 1900;
i = scan(string, i, cb, false);
long timeOfDay = parseInt(cb) * 3600000;
i = scan(string, i, cb, false);
timeOfDay += parseInt(cb) * 60000;
i = scan(string, i, cb, false);
timeOfDay += parseInt(cb) * 1000;
// XXX: gross hack
if (year <= 1600) dayOfMonth--;
long time =
(MS_PER_DAY
* (yearToDayOfEpoch(year)
+ monthToDayOfYear(month, isLeapYear(year))
+ dayOfMonth
- 1)
+ timeOfDay);
try {
i = scan(string, i, cb, false);
for (int j = 0; j < cb.length(); j++) {
if ((ch = cb.charAt(j)) == ';' || ch == ' ') cb.setLength(j);
}
ch = cb.length() > 0 ? cb.charAt(0) : 0;
if (ch == '-' || ch == '+' || ch >= '0' && ch <= '9') {
long zoneOffset;
zoneOffset = parseInt(cb);
zoneOffset = 60000 * (60 * (zoneOffset / 100) + zoneOffset % 100);
time -= zoneOffset;
setGMTTime(time);
} else if (cb.equalsIgnoreCase("gmt") || cb.equalsIgnoreCase("utc")) {
setGMTTime(time);
} else {
setLocalTime(time);
}
} catch (Exception e) {
log.log(Level.FINER, e.toString(), e);
}
return _localTimeOfEpoch - _zoneOffset;
} catch (Exception e) {
log.log(Level.FINER, e.toString(), e);
return Long.MAX_VALUE;
}
}
