public static Date parseDate()

in common/src/main/java/org/apache/asyncweb/common/codec/DateUtil.java [116:158]

36 lines of code
10 McCabe index (conditional complexity)


    public static Date parseDate(
        String dateValue,
        Collection<String> dateFormats,
        Date startDate
    ) throws DateParseException {

        if (dateValue == null) {
            throw new IllegalArgumentException("dateValue is null");
        }
        if (dateFormats == null) {
            dateFormats = DEFAULT_PATTERNS;
        }
        if (startDate == null) {
            startDate = DEFAULT_TWO_DIGIT_YEAR_START;
        }
        // trim single quotes around date if present
        // see issue #5279
        if (dateValue.length() > 1
            && dateValue.startsWith("'")
            && dateValue.endsWith("'")
            ) {
            dateValue = dateValue.substring(1, dateValue.length() - 1);
        }

        SimpleDateFormat dateParser = null;
        for (String format : dateFormats) {
            if (dateParser == null) {
                dateParser = new SimpleDateFormat(format, Locale.US);
                dateParser.setTimeZone(TimeZone.getTimeZone("GMT"));
                dateParser.set2DigitYearStart(startDate);
            } else {
                dateParser.applyPattern(format);
            }
            try {
                return dateParser.parse(dateValue);
            } catch (ParseException pe) {
                // ignore this exception, we will try the next format
            }
        }

        // we were unable to parse the date
        throw new DateParseException("Unable to parse the date " + dateValue);
    }