Example usage for java.time.format DateTimeFormatter ofPattern

Introduction

In this page you can find the example usage for java.time.format DateTimeFormatter ofPattern.

Prototype

public static DateTimeFormatter ofPattern(String pattern) 

Source Link

Document

Creates a formatter using the specified pattern.

Usage

From source file:Main.java

public static void main(String[] args) {
    DateTimeFormatter format = DateTimeFormatter.ofPattern("MMM d yyyy  hh:mm a");
    LocalDateTime leaving = LocalDateTime.of(2013, Month.JULY, 20, 19, 30);

    // Leaving from San Francisco on July 20, 2013, at 7:30 p.m.

    ZoneId leavingZone = ZoneId.of("America/Los_Angeles");
    ZonedDateTime departure = ZonedDateTime.of(leaving, leavingZone);

    String out1 = departure.format(format);
    System.out.printf("LEAVING:  %s (%s)%n", out1, leavingZone);

    // Flight is 10 hours and 50 minutes, or 650 minutes
    ZoneId arrivingZone = ZoneId.of("Asia/Tokyo");
    ZonedDateTime arrival = departure.withZoneSameInstant(arrivingZone).plusMinutes(650);

    String out2 = arrival.format(format);
    System.out.printf("ARRIVING: %s (%s)%n", out2, arrivingZone);

}

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From source file:Main.java

public static void main(String[] args) {
    LocalDate ld = LocalDate.of(2014, Month.JANUARY, 1);
    String pattern = "'New Year in'  yyyy  'is on' EEEE";
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
    String str = ld.format(formatter);
    System.out.println(str);//from   www  .j  a v a 2s  . c o m

}

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From source file:Main.java

public static void main(String[] args) {
    DateTimeFormatter parser = DateTimeFormatter.ofPattern("yyyy-MM- dd['T'HH:mm:ss[Z]]");
    parseStr(parser, "2014-06-31");
    parseStr(parser, "2014-06-31T15:31:12");
    parseStr(parser, "2014-06-31T15:31:12-0500");
    parseStr(parser, "2014-06-31Hello");

}

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From source file:Main.java

public static void main(String[] args) {
    String strDate = "2015-09-12 23:59:59";
    String pattern = "yyyy-MM-dd HH:mm:ss";
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
    ZoneId zone = ZoneId.of("America/Los_Angeles");

    long milli = getMillis(strDate, formatter, zone);
    System.out.println(milli);/* w w w  . ja va2s . c o m*/
}

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From source file:Main.java

public static void main(String[] args) {
    // 2014-04-01 10:45
    LocalDateTime dateTime = LocalDateTime.of(2014, Month.APRIL, 1, 10, 45);

    // using a custom pattern (01/04/2014)
    String asCustomPattern = dateTime.format(DateTimeFormatter.ofPattern("dd/MM/yyyy"));

    System.out.println(asCustomPattern);
}

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From source file:Main.java

public static void main(String[] args) {
    LocalDate date = LocalDate.now();
    // default format
    System.out.println("Default format of LocalDate=" + date);
    // specific format
    System.out.println(date.format(DateTimeFormatter.ofPattern("d::MMM::uuuu")));
    System.out.println(date.format(DateTimeFormatter.BASIC_ISO_DATE));

    LocalDateTime dateTime = LocalDateTime.now();
    // default format
    System.out.println("Default format of LocalDateTime=" + dateTime);
    // specific format
    System.out.println(dateTime.format(DateTimeFormatter.ofPattern("d::MMM::uuuu HH::mm::ss")));
    System.out.println(dateTime.format(DateTimeFormatter.BASIC_ISO_DATE));

    Instant timestamp = Instant.now();
    // default format
    System.out.println("Default format of Instant=" + timestamp);

    // Parse examples
    LocalDateTime dt = LocalDateTime.parse("27::Apr::2014 21::39::48",
            DateTimeFormatter.ofPattern("d::MMM::uuuu HH::mm::ss"));
    System.out.println("Default format after parsing = " + dt);
}

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From source file:Main.java

public static void main(String[] args) {
    Instant instant = Instant.parse("2014-07-16T10:15:30.00Z");
    LocalDate localDate = LocalDate.parse("2014-07-16", DateTimeFormatter.ofPattern("yyyy-MM-dd"));
    LocalDate localDate2 = LocalDate.parse("2014-07-16", DateTimeFormatter.ISO_LOCAL_DATE);

    DateTimeFormatter strangeFormat = new DateTimeFormatterBuilder().appendValue(MONTH_OF_YEAR, 2)
            .appendLiteral("==").appendValue(YEAR, 4).appendLiteral("--").appendValue(DAY_OF_MONTH, 2)
            .toFormatter();//  w  ww.  j a  v a  2 s.  c  o m

    LocalDate localDate3 = LocalDate.parse("07==2014--16", strangeFormat);

    System.out.println(instant);
    System.out.println(localDate);
    System.out.println(localDate2);
    System.out.println(localDate3);

    LocalDate date = Year.of(2014).atMonth(7).atDay(16);
    String strangeDateFormat = date.format(strangeFormat);

    System.out.println(strangeDateFormat);
}

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From source file:Main.java

public static void main(String[] args) {
    Month month = null;//from  www. j  a  v a  2  s .  com
    LocalDate date = null;
    DateTimeFormatter format;
    String out = null;

    month = Month.valueOf("May".toUpperCase());
    date = Year.now().atMonth(month).atDay(12);

    LocalDate nextPayday = date.with(new PaydayAdjuster());

    format = DateTimeFormatter.ofPattern("yyyy MMM d");
    out = date.format(format);
    System.out.printf("Given the date:  %s%n", out);
    out = nextPayday.format(format);
    System.out.printf("the next payday: %s%n", out);
}

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From source file:Main.java

public static void main(String[] args) {
    LocalTime now = LocalTime.now();
    LocalTime currentTimeInLosAngeles = LocalTime.now(ZoneId.of("America/Los_Angeles"));
    System.out.println(String.format("now is %s and in LA is %s", now, currentTimeInLosAngeles));

    ZoneId leavingZone = ZoneId.of("Asia/Tel_Aviv");
    ZoneId arrivingZone = ZoneId.of("America/New_York");

    LocalDateTime leaving = LocalDateTime.of(2014, Month.JULY, 16, 23, 00);
    ZonedDateTime departure = ZonedDateTime.of(leaving, leavingZone);

    ZonedDateTime arrival = departure.withZoneSameInstant(arrivingZone).plusHours(11).plusMinutes(51);

    DateTimeFormatter format = DateTimeFormatter.ofPattern("yyyy-MM-d  HH:mm");
    System.out.println(String.format("Departure: %s", departure.format(format)));
    System.out.println(String.format("Arrival: %s", arrival.format(format)));
}

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From source file:squash.tools.FakeBookingCreator.java

public static void main(String[] args) throws IOException {
    int numberOfDays = 21;
    int numberOfCourts = 5;
    int maxCourtSpan = 5;
    int numberOfSlots = 16;
    int maxSlotSpan = 3;
    int minSurnameLength = 2;
    int maxSurnameLength = 20;
    int minBookingsPerDay = 0;
    int maxBookingsPerDay = 8;
    LocalDate startDate = LocalDate.of(2016, 7, 5);

    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
    List<Booking> bookings = new ArrayList<>();
    for (LocalDate date = startDate; date.isBefore(startDate.plusDays(numberOfDays)); date = date.plusDays(1)) {
        int numBookings = ThreadLocalRandom.current().nextInt(minBookingsPerDay, maxBookingsPerDay + 1);
        List<Booking> daysBookings = new ArrayList<>();
        for (int bookingIndex = 0; bookingIndex < numBookings; bookingIndex++) {
            String player1 = RandomStringUtils.randomAlphabetic(1) + "." + RandomStringUtils.randomAlphabetic(
                    ThreadLocalRandom.current().nextInt(minSurnameLength, maxSurnameLength + 1));
            String player2 = RandomStringUtils.randomAlphabetic(1) + "." + RandomStringUtils.randomAlphabetic(
                    ThreadLocalRandom.current().nextInt(minSurnameLength, maxSurnameLength + 1));

            Set<ImmutablePair<Integer, Integer>> bookedCourts = new HashSet<>();
            daysBookings.forEach((booking) -> {
                addBookingToSet(booking, bookedCourts);
            });/*from   www.ja  v  a 2 s.  co m*/

            Booking booking;
            Set<ImmutablePair<Integer, Integer>> courtsToBook = new HashSet<>();
            do {
                // Loop until we create a booking of free courts
                int court = ThreadLocalRandom.current().nextInt(1, numberOfCourts + 1);
                int courtSpan = ThreadLocalRandom.current().nextInt(1,
                        Math.min(maxCourtSpan + 1, numberOfCourts - court + 2));
                int slot = ThreadLocalRandom.current().nextInt(1, numberOfSlots + 1);
                int slotSpan = ThreadLocalRandom.current().nextInt(1,
                        Math.min(maxSlotSpan + 1, numberOfSlots - slot + 2));
                booking = new Booking(court, courtSpan, slot, slotSpan, player1 + "/" + player2);
                booking.setDate(date.format(formatter));
                courtsToBook.clear();
                addBookingToSet(booking, courtsToBook);
            } while (Boolean.valueOf(Sets.intersection(courtsToBook, bookedCourts).size() > 0));

            daysBookings.add(booking);
        }
        bookings.addAll(daysBookings);
    }

    // Encode bookings as JSON
    // Create the node factory that gives us nodes.
    JsonNodeFactory factory = new JsonNodeFactory(false);
    // Create a json factory to write the treenode as json.
    JsonFactory jsonFactory = new JsonFactory();
    ObjectNode rootNode = factory.objectNode();

    ArrayNode bookingsNode = rootNode.putArray("bookings");
    for (int i = 0; i < bookings.size(); i++) {
        Booking booking = bookings.get(i);
        ObjectNode bookingNode = factory.objectNode();
        bookingNode.put("court", booking.getCourt());
        bookingNode.put("courtSpan", booking.getCourtSpan());
        bookingNode.put("slot", booking.getSlot());
        bookingNode.put("slotSpan", booking.getSlotSpan());
        bookingNode.put("name", booking.getName());
        bookingNode.put("date", booking.getDate());
        bookingsNode.add(bookingNode);
    }
    // Add empty booking rules array - just so restore works
    rootNode.putArray("bookingRules");
    rootNode.put("clearBeforeRestore", true);

    try (JsonGenerator generator = jsonFactory.createGenerator(new File("FakeBookings.json"),
            JsonEncoding.UTF8)) {
        ObjectMapper mapper = new ObjectMapper();
        mapper.setSerializationInclusion(Include.NON_EMPTY);
        mapper.setSerializationInclusion(Include.NON_NULL);
        mapper.writeTree(generator, rootNode);
    }
}

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