DateUtils { public static LocalDate createLocalDate(String dateStr) { return createLocalDate(dateStr, DATE_FORMAT); } private  DateUtils(); @SuppressWarnings("unchecked") static T createJava8Date(Class<T> clazz, String dateStr, String format); static LocalDate createLocalDate(String dateStr); static LocalDate createLocalDate(String dateStr, String format); static LocalDateTime createLocalDateTime(String dateTimeStr); static LocalDateTime createLocalDateTime(String dateTimeStr, String format); static LocalTime createLocalTime(String timeStr); static LocalTime createLocalTime(String timeStr, String format); static ZonedDateTime createZonedDateTime(String dateTimeStr); static ZonedDateTime createZonedDateTime(String dateTimeStr, String format); static String formatDate(LocalDate date, String format); static String formatDateTime(LocalDateTime dateTime, String format); static String formatJava8Date(Class<?> clazz, Object value, String format); static String formatTime(LocalTime time, String format); static String formatZonedDateTime(ZonedDateTime dateTime, String format); static int getLastWeekOfYear(int year); static String getNextWeekCode(String weekCode); static int getQuarter(LocalDate date); static LocalDate getStartDateOfWeek(String weekCode); static boolean isJava8DateType(Class<?> clazz); static boolean isSupportedDateType(Class<?> clazz); static boolean isValidWeekCode(String weekCode); static Date toLegacyDate(LocalDate d); static Date toLegacyDate(LocalDateTime ldt); static String toWeekCode(LocalDate date); static final String WEEK_CODE_PATTERN; }
@Test public void testCreateLocalDate() { assertNull(DateUtils.createLocalDate(null)); LocalDate ld = DateUtils.createLocalDate("01012015"); assertEquals("2015-01-01", ld.toString()); ld = DateUtils.createLocalDate("29022012"); assertEquals("2012-02-29", ld.toString()); ld = DateUtils.createLocalDate("29-02-2012", "dd-MM-yyyy"); assertEquals("2012-02-29", ld.toString()); }