Java Code Examples for java.util.GregorianCalendar#setTimeZone()

/**
 * Some checks for the getFirstMillisecond(TimeZone) method.
 */
public void testGetFirstMillisecondWithCalendar() {
    Week w = new Week(1, 2001);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(978307200000L, w.getFirstMillisecond(calendar));
    
    // try null calendar
    boolean pass = false;
    try {
        w.getFirstMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getFirstMillisecond(TimeZone) method.
 */
public void testGetFirstMillisecondWithCalendar() {
    Year y = new Year(2001);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(978307200000L, y.getFirstMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        y.getFirstMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getLastMillisecond(TimeZone) method.
 */
@Test
public void testGetLastMillisecondWithCalendar() {
    Week w = new Week(52, 2001);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(1009756799999L, w.getLastMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        w.getLastMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getLastMillisecond(TimeZone) method.
 */
@Test
public void testGetLastMillisecondWithCalendar() {
    Quarter q = new Quarter(3, 2001);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(1001894399999L, q.getLastMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        q.getLastMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getFirstMillisecond(TimeZone) method.
 */
@Test
public void testGetFirstMillisecondWithCalendar() {
    Millisecond m = new Millisecond(500, 55, 40, 2, 15, 4, 2000);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(955766455500L, m.getFirstMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        m.getFirstMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getLastMillisecond(TimeZone) method.
 */
@Test
public void testGetLastMillisecondWithCalendar() {
    Hour h = new Hour(21, 21, 4, 2001);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(987890399999L, h.getLastMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        h.getLastMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getLastMillisecond(TimeZone) method.
 */
@Test
public void testGetLastMillisecondWithCalendar() {
    Second s = new Second(50, 45, 21, 21, 4, 2001);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(987889550999L, s.getLastMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        s.getLastMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getFirstMillisecond(TimeZone) method.
 */
@Test
public void testGetFirstMillisecondWithCalendar() {
    Day d = new Day(1, 12, 2001);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(1007164800000L, d.getFirstMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        d.getFirstMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getFirstMillisecond(TimeZone) method.
 */
@Test
public void testGetFirstMillisecondWithCalendar() {
    Week w = new Week(1, 2001);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(978307200000L, w.getFirstMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        w.getFirstMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getLastMillisecond(TimeZone) method.
 */
@Test
public void testGetLastMillisecondWithCalendar() {
    Minute m = new Minute(45, 21, 21, 4, 2001);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(987889559999L, m.getLastMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        m.getLastMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getFirstMillisecond(TimeZone) method.
 */
@Test
public void testGetFirstMillisecondWithCalendar() {
    Millisecond m = new Millisecond(500, 55, 40, 2, 15, 4, 2000);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(955766455500L, m.getFirstMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        m.getFirstMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getFirstMillisecond(TimeZone) method.
 */
public void testGetFirstMillisecondWithCalendar() {
    Quarter q = new Quarter(1, 2001);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(978307200000L, q.getFirstMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        q.getFirstMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getLastMillisecond(TimeZone) method.
 */
@Test
public void testGetLastMillisecondWithCalendar() {
    Minute m = new Minute(45, 21, 21, 4, 2001);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(987889559999L, m.getLastMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        m.getLastMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

/**
 * Some checks for the getFirstMillisecond(TimeZone) method.
 */
@Test
public void testGetFirstMillisecondWithCalendar() {
    Day d = new Day(1, 12, 2001);
    GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
    calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
    assertEquals(1007164800000L, d.getFirstMillisecond(calendar));

    // try null calendar
    boolean pass = false;
    try {
        d.getFirstMillisecond((Calendar) null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    assertTrue(pass);
}
 

static GregorianCalendar newGreg()
{
    GregorianCalendar retCal = new GregorianCalendar(Locale.ENGLISH);
    retCal.setTimeZone(new SimpleTimeZone(0, "UTC"));
    retCal.setLenient(false);
    retCal.set(Calendar.MILLISECOND, 0);
    return retCal;
}
 

@Test(dataProvider = "RangeVersusCalendar")
public void test_DayOfWeek_IsoChronology_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
    GregorianCalendar cal = new GregorianCalendar();
    assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
    LocalDate isoDate = IsoChronology.INSTANCE.date(isoStartDate);

    for (DayOfWeek firstDayOfWeek : DayOfWeek.values()) {
        for (int minDays = 1; minDays <= 7; minDays++) {
            WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
            cal.setFirstDayOfWeek(Math.floorMod(firstDayOfWeek.getValue(), 7) + 1);
            cal.setMinimalDaysInFirstWeek(minDays);

            cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
            cal.set(Calendar.YEAR, isoDate.get(YEAR));
            cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
            cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));

            // For every date in the range
            while (isoDate.isBefore(isoEndDate)) {
                assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + ";  cal: " + cal);
                assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
                assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);

                int jdow = Math.floorMod(cal.get(Calendar.DAY_OF_WEEK) - 2, 7) + 1;
                int dow = isoDate.get(weekDef.dayOfWeek());
                assertEquals(jdow, dow, "Calendar DayOfWeek does not match ISO DayOfWeek");

                int jweekOfMonth = cal.get(Calendar.WEEK_OF_MONTH);
                int isoWeekOfMonth = isoDate.get(weekDef.weekOfMonth());
                assertEquals(jweekOfMonth, isoWeekOfMonth, "Calendar WeekOfMonth does not match ISO WeekOfMonth");

                int jweekOfYear = cal.get(Calendar.WEEK_OF_YEAR);
                int weekOfYear = isoDate.get(weekDef.weekOfWeekBasedYear());
                assertEquals(jweekOfYear, weekOfYear,  "GregorianCalendar WeekOfYear does not match WeekOfWeekBasedYear");

                int jWeekYear = cal.getWeekYear();
                int weekBasedYear = isoDate.get(weekDef.weekBasedYear());
                assertEquals(jWeekYear, weekBasedYear,  "GregorianCalendar getWeekYear does not match YearOfWeekBasedYear");

                int jweeksInWeekyear = cal.getWeeksInWeekYear();
                int weeksInWeekBasedYear = (int)isoDate.range(weekDef.weekOfWeekBasedYear()).getMaximum();
                assertEquals(jweeksInWeekyear, weeksInWeekBasedYear, "length of weekBasedYear");

                isoDate = isoDate.plus(1, ChronoUnit.DAYS);
                cal.add(Calendar.DAY_OF_MONTH, 1);
            }
        }
    }
}
 

/**
 * Fill the calendar with the parsed date.
 *
 * @param cal calendar to fill
 * @param ignoreChanges if <tt>true</tt>, throw an exception when a date
 *                      like <tt>Sept 31</tt> is changed to <tt>Oct 1</tt>
 *
 * @throws CalendarParserException if the date cannot be set for some
 *                                 reason
 */
void setCalendar(GregorianCalendar cal, boolean ignoreChanges) throws CalendarParserException {
    cal.clear();
    if (year != UNSET && month != UNSET && day != UNSET) {
        cal.set(Calendar.YEAR, year);
        cal.set(Calendar.MONTH, month - 1);
        cal.set(Calendar.DATE, day);

        if (!ignoreChanges) {
            final int calYear = cal.get(Calendar.YEAR);
            final int calMonth = cal.get(Calendar.MONTH);
            final int calDay = cal.get(Calendar.DATE);

            if (calYear != year || (calMonth + 1) != month ||
                calDay != day)
            {
                throw new CalendarParserException("Date was set to " +
                                                  calYear + "/" +
                                                  (calMonth + 1) + "/" +
                                                  calDay +
                                                  " not requested " +
                                                  year + "/" + month +
                                                  "/" + day);
            }
        }
    }

    cal.clear(Calendar.HOUR);
    cal.clear(Calendar.MINUTE);
    cal.clear(Calendar.SECOND);
    cal.clear(Calendar.MILLISECOND);

    if (hour != UNSET && minute != UNSET) {
        cal.set(Calendar.HOUR, hour);
        cal.set(Calendar.MINUTE, minute);
        if (second != UNSET) {
            cal.set(Calendar.SECOND, second);
            if (milli != UNSET) {
                cal.set(Calendar.MILLISECOND, milli);
            }
        }

        if (timeZone != null) {
            cal.setTimeZone(timeZone);
        }
    }
}
 

public void testDateSerializationShouldReturnExpectedJson() throws Throwable {

        // Container to store callback's results and do the asserts.
        final ResultsContainer container = new ResultsContainer();

        final String tableName = "MyTableName";

        final GregorianCalendar date = new GregorianCalendar(2013, 0, 22, 10, 30, 40);
        date.setTimeZone(TimeZone.getTimeZone("GMT-4"));

        final DateTestObject dateObject = new DateTestObject(date.getTime());

        MobileServiceClient client = null;
        try {
            client = new MobileServiceClient(appUrl, getInstrumentation().getTargetContext());
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }

        client = client.withFilter(new ServiceFilter() {

            @Override
            public ListenableFuture<ServiceFilterResponse> handleRequest(ServiceFilterRequest request, NextServiceFilterCallback nextServiceFilterCallback) {
                // Store the request content
                container.setRequestContent(request.getContent());
                ServiceFilterResponseMock mockedResponse = new ServiceFilterResponseMock();
                mockedResponse.setContent("{}");

                final SettableFuture<ServiceFilterResponse> resultFuture = SettableFuture.create();

                resultFuture.set(mockedResponse);

                return resultFuture;
            }
        });

        MobileServiceTable<DateTestObject> table = client.getTable(tableName, DateTestObject.class);

        table.insert(dateObject).get();

        // Asserts
        // Date should have UTC format (+4 that date value)
        assertEquals("{\"date\":\"2013-01-22T14:30:40.000Z\"}", container.getRequestContent());
    }
 

public static void main(String[] args) throws Throwable {

        int N = 10000;
        long t1970 = new java.util.Date(70, 0, 01).getTime();
        Random r = new Random();
        for (int i = 0; i < N; i++) {
            int days  = r.nextInt(50) * 365 + r.nextInt(365);
            long secs = t1970 + days * 86400 + r.nextInt(86400);
            int nanos = r.nextInt(NANOS_PER_SECOND);
            int nanos_ms = nanos / 1000000 * 1000000; // millis precision
            long millis = secs * 1000 + r.nextInt(1000);
            LocalDateTime ldt = LocalDateTime.ofEpochSecond(secs, nanos, ZoneOffset.UTC);
            LocalDateTime ldt_ms = LocalDateTime.ofEpochSecond(secs, nanos_ms, ZoneOffset.UTC);
            Instant inst = Instant.ofEpochSecond(secs, nanos);
            Instant inst_ms = Instant.ofEpochSecond(secs, nanos_ms);
            ///////////// java.util.Date /////////////////////////
            Date jud = new java.util.Date(millis);
            Instant inst0 = jud.toInstant();
            if (jud.getTime() != inst0.toEpochMilli() ||
                !jud.equals(Date.from(inst0))) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: j.u.d -> instant -> j.u.d");
            }
            // roundtrip only with millis precision
            Date jud0 = Date.from(inst_ms);
            if (jud0.getTime() != inst_ms.toEpochMilli() ||
                !inst_ms.equals(jud0.toInstant())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: instant -> j.u.d -> instant");
            }
            //////////// java.util.GregorianCalendar /////////////
            GregorianCalendar cal = new GregorianCalendar();
            // non-roundtrip of tz name between j.u.tz and j.t.zid
            cal.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
            cal.setGregorianChange(new java.util.Date(Long.MIN_VALUE));
            cal.setFirstDayOfWeek(Calendar.MONDAY);
            cal.setMinimalDaysInFirstWeek(4);
            cal.setTimeInMillis(millis);
            ZonedDateTime zdt0 = cal.toZonedDateTime();
            if (cal.getTimeInMillis() != zdt0.toInstant().toEpochMilli() ||
                !cal.equals(GregorianCalendar.from(zdt0))) {
                System.out.println("cal:" + cal);
                System.out.println("zdt:" + zdt0);
                System.out.println("calNew:" + GregorianCalendar.from(zdt0));
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt -> gcal");
            }
            inst0 = cal.toInstant();
            if (cal.getTimeInMillis() != inst0.toEpochMilli()) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: gcal -> zdt");
            }
            ZonedDateTime zdt = ZonedDateTime.of(ldt_ms, ZoneId.systemDefault());
            GregorianCalendar cal0 = GregorianCalendar.from(zdt);
            if (zdt.toInstant().toEpochMilli() != cal0.getTimeInMillis() ||
                !zdt.equals(GregorianCalendar.from(zdt).toZonedDateTime())) {
                System.out.printf("ms: %16d  ns: %10d  ldt:[%s]%n", millis, nanos, ldt);
                throw new RuntimeException("FAILED: zdt -> gcal -> zdt");
            }
        }

        ///////////// java.util.TimeZone /////////////////////////
        for (String zidStr : TimeZone.getAvailableIDs()) {
            // TBD: tzdt intergration
            if (zidStr.startsWith("SystemV") ||
                zidStr.contains("Riyadh8") ||
                zidStr.equals("US/Pacific-New") ||
                zidStr.equals("EST") ||
                zidStr.equals("HST") ||
                zidStr.equals("MST")) {
                continue;
            }
            ZoneId zid = ZoneId.of(zidStr, ZoneId.SHORT_IDS);
            if (!zid.equals(TimeZone.getTimeZone(zid).toZoneId())) {
                throw new RuntimeException("FAILED: zid -> tz -> zid :" + zidStr);
            }
            TimeZone tz = TimeZone.getTimeZone(zidStr);
            // no round-trip for alias and "GMT"
            if (!tz.equals(TimeZone.getTimeZone(tz.toZoneId())) &&
                !ZoneId.SHORT_IDS.containsKey(zidStr) &&
                !zidStr.startsWith("GMT")) {
                throw new RuntimeException("FAILED: tz -> zid -> tz :" + zidStr);
            }
        }
        System.out.println("Passed!");
    }
 

@SuppressWarnings("deprecation")
public void testDateDeserializationShouldReturnExpectedEntity() throws Throwable {

    final String tableName = "MyTableName";

    final GregorianCalendar calendar = new GregorianCalendar(2013, 0, 22, 10, 30, 40);
    calendar.setTimeZone(TimeZone.getTimeZone("GMT-4"));

    final DateTestObject dateObject = new DateTestObject(calendar.getTime());

    MobileServiceClient client = null;
    try {
        client = new MobileServiceClient(appUrl, getInstrumentation().getTargetContext());
    } catch (MalformedURLException e) {
        e.printStackTrace();
    }

    client = client.withFilter(new ServiceFilter() {

        @Override
        public ListenableFuture<ServiceFilterResponse> handleRequest(ServiceFilterRequest request, NextServiceFilterCallback nextServiceFilterCallback) {

            // Create a mock response simulating an error
            ServiceFilterResponseMock response = new ServiceFilterResponseMock();
            response.setStatus((new StatusLine(Protocol.HTTP_2, 404, "")));
            response.setContent("{\"date\":\"2013-01-22T14:30:40.000Z\"}");

            final SettableFuture<ServiceFilterResponse> resultFuture = SettableFuture.create();

            resultFuture.set(response);

            return resultFuture;
        }
    });

    MobileServiceTable<DateTestObject> table = client.getTable(tableName, DateTestObject.class);

    DateTestObject entity = table.insert(dateObject).get();
    // Asserts
    Date expctedDate = dateObject.getDate();

    DateTestObject returnedDateObject = entity;
    assertNotNull("DateTestObject should not be null", returnedDateObject);
    Date d = returnedDateObject.getDate();
    assertNotNull("Date should not be null", d);
    assertEquals(expctedDate.getYear(), d.getYear());
    assertEquals(expctedDate.getMonth(), d.getMonth());
    assertEquals(expctedDate.getDay(), d.getDay());
    assertEquals(expctedDate.getHours(), d.getHours());
    assertEquals(expctedDate.getMinutes(), d.getMinutes());
    assertEquals(expctedDate.getSeconds(), d.getSeconds());
}