/*
* Scan to whitespace or ':'
*/
private int scan(String string, int i, CharBuffer cb, boolean dash) throws Exception {
char ch;
cb.setLength(0);
int strlen = string.length();
for (; i < strlen; i++) {
if (!Character.isWhitespace(ch = string.charAt(i)) && (ch != ':' && (!dash || ch != '-')))
break;
}
for (; i < strlen; i++) {
if (!Character.isWhitespace(ch = string.charAt(i)) && (ch != ':' && (!dash || ch != '-')))
cb.append((char) ch);
else break;
}
if (cb.length() == 0) throw new Exception();
return i;
}
/*
* 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;
}
}
