//  [java]
    public static Date parse(String date, ParsePosition pos) throws ParseException {
        Exception fail = null;
        try {
            int offset = pos.getIndex();
            int year = parseInt(date, offset, offset += 4);
            if (checkOffset(date, offset, '-')) {
                offset += 1;
            }
            int month = parseInt(date, offset, offset += 2);
            if (checkOffset(date, offset, '-')) {
                offset += 1;
            }
            int day = parseInt(date, offset, offset += 2);
            int hour = 0;
            int minutes = 0;
            int seconds = 0;
            int milliseconds = 0; 
            boolean hasT = checkOffset(date, offset, 'T');
            if (!hasT && (date.length() <= offset)) {
                Calendar calendar = new GregorianCalendar(year, month - 1, day);
                pos.setIndex(offset);
                return calendar.getTime();
            }
            if (hasT) {
                hour = parseInt(date, offset += 1, offset += 2);
                if (checkOffset(date, offset, ':')) {
                    offset += 1;
                }
                minutes = parseInt(date, offset, offset += 2);
                if (checkOffset(date, offset, ':')) {
                    offset += 1;
                }
                if (date.length() > offset) {
                    char c = date.charAt(offset);
                    if (c != 'Z' && c != '+' && c != '-') {
                        seconds = parseInt(date, offset, offset += 2);
                        if (seconds > 59 && seconds < 63) seconds = 59; 
                        if (checkOffset(date, offset, '.')) {
                            offset += 1;
                            int endOffset = indexOfNonDigit(date, offset + 1); 
                            int parseEndOffset = Math.min(endOffset, offset + 3); 
                            int fraction = parseInt(date, offset, parseEndOffset);
                            switch (parseEndOffset - offset) { 
                            case 2:
                                milliseconds = fraction * 10;
                                break;
                            case 1:
                                milliseconds = fraction * 100;
                                break;
                            default:
                                milliseconds = fraction;
                            }
                            offset = endOffset;
                        }
                    }
                }
            }
            if (date.length() <= offset) {
                throw new IllegalArgumentException("No time zone indicator");
            }
            TimeZone timezone = null;
            char timezoneIndicator = date.charAt(offset);
            if (timezoneIndicator == 'Z') {
                timezone = TIMEZONE_UTC;
                offset += 1;
            } else if (timezoneIndicator == '+' || timezoneIndicator == '-') {
                String timezoneOffset = date.substring(offset);
                offset += timezoneOffset.length();
                if ("+0000".equals(timezoneOffset) || "+00:00".equals(timezoneOffset)) {
                    timezone = TIMEZONE_UTC;
                } else {
                    String timezoneId = "GMT" + timezoneOffset;
                    timezone = TimeZone.getTimeZone(timezoneId);
                    String act = timezone.getID();
                    if (!act.equals(timezoneId)) {
                        String cleaned = act.replace(":", "");
                        if (!cleaned.equals(timezoneId)) {
                            throw new IndexOutOfBoundsException("Mismatching time zone indicator: "+timezoneId+" given, resolves to "
                                    +timezone.getID());
                        }
                    }
                }
            } else {
                throw new IndexOutOfBoundsException("Invalid time zone indicator '" + timezoneIndicator+"'");
            }
            Calendar calendar = new GregorianCalendar(timezone);
            calendar.setLenient(false);
            calendar.set(Calendar.YEAR, year);
            calendar.set(Calendar.MONTH, month - 1);
            calendar.set(Calendar.DAY_OF_MONTH, day);
            calendar.set(Calendar.HOUR_OF_DAY, hour);
            calendar.set(Calendar.MINUTE, minutes);
            calendar.set(Calendar.SECOND, seconds);
            calendar.set(Calendar.MILLISECOND, milliseconds);
            pos.setIndex(offset);
            return calendar.getTime();
        } catch (IndexOutOfBoundsException e) {
            fail = e;
        } catch (NumberFormatException e) {
            fail = e;
        } catch (IllegalArgumentException e) {
            fail = e;
        }
        String input = (date == null) ? null : ('"' + date + "'");
        String msg = fail.getMessage();
        if (msg == null || msg.isEmpty()) {
            msg = "("+fail.getClass().getName()+")";
        }
        ParseException ex = new ParseException("Failed to parse date [" + input + "]: " + msg, pos.getIndex());
        ex.initCause(fail);
        throw ex;
    }