/* * 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; } }