Java Code Examples for java.time.ZonedDateTime#withZoneSameInstant()

/**
 * From date time string.
 *
 * @param dateTimeString the date time string
 *
 * @return the local date time using the system time zone
 */
public static LocalDateTime fromDateTimeString(String dateTimeString) {
    LocalDateTime ldt = LocalDateTime.parse(dateTimeString, inputDateTimeFormatter);

    ZonedDateTime ldtZoned;

    if (dateTimeString.endsWith("Z")) {
        ldtZoned = ldt.atZone(ZoneId.of("UTC"));
    } else {
        ldtZoned = ldt.atZone(ZoneId.of("America/New_York"));
    }

    ZonedDateTime localTimeZoned = ldtZoned.withZoneSameInstant(ZoneId.systemDefault());

    return localTimeZoned.toLocalDateTime();
}
 

@Test
public void test_withZoneSameInstant() {
    ZonedDateTime base = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500, ZONE_0100);
    ZonedDateTime test = base.withZoneSameInstant(ZONE_0200);
    ZonedDateTime expected = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500.plusHours(1), ZONE_0200);
    assertEquals(test, expected);
}
 

@Test
public void test_withZoneSameInstant() {
    ZonedDateTime base = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500, ZONE_0100);
    ZonedDateTime test = base.withZoneSameInstant(ZONE_0200);
    ZonedDateTime expected = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500.plusHours(1), ZONE_0200);
    assertEquals(test, expected);
}
 

/**
 * To date time string.
 *
 * @param ldt the ldt
 *
 * @return the string
 */
public static String toDateTimeString(LocalDateTime ldt) {
    ZonedDateTime ldtZoned = ldt.atZone(ZoneId.systemDefault());

    ZonedDateTime localTimeZoned = ldtZoned.withZoneSameInstant(ZoneId.of("UTC"));

    return outputDateTimeFormatter.format(localTimeZoned);
}
 

@Override
public ZonedDateTime unmarshal(String value) throws Exception {
  if (value == null) {
    return null;
  }
  if (value.matches(".*([Z]|[+-][0-9]{1,2}:[0-9]{1,2})$")) {
    return ZonedDateTime.parse(value).withZoneSameInstant(ZoneOffset.UTC);
  } else {
    LocalDateTime local = LocalDateTime.parse(value, localFormat);
    ZonedDateTime localZ = ZonedDateTime.of(local, getZoneId());
    return localZ.withZoneSameInstant(ZoneOffset.UTC);
  }
}
 

@Test
public void parseBuildTimestampToLocalDateTime() {
    String buildTimestamp = "2018-01-01 17:01 +00:00";

    ZonedDateTime parseToZonedDateTime = ZonedDateTime.parse(buildTimestamp, DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm ZZZZZ"));
    LOG.debug("parseToZonedDateTime: {}", parseToZonedDateTime);

    ZonedDateTime converted = parseToZonedDateTime.withZoneSameInstant(ZoneOffset.systemDefault());
    LOG.debug("converted: {}", converted);
}
 

@Test
public void applyCalendar() throws Exception {
    final ZoneId systemDefault = ZoneId.systemDefault();

    // this test only asserts that a calendar was passed in. Not that the JDBC driver
    // will do the right thing and adjust the time.
    final ZonedDateTime zonedDateTime = ZonedDateTime.parse("2012-12-21T00:00:00.000Z");
    final ZonedDateTime expected = zonedDateTime.withZoneSameInstant(systemDefault);
    final Calendar calendar = new GregorianCalendar(TimeZone.getTimeZone(systemDefault));

    new InstantArgument(zonedDateTime.toInstant(), Optional.of(calendar)).apply(1, statement, context);

    Mockito.verify(statement).setTimestamp(1, Timestamp.from(expected.toInstant()), calendar);
}
 

private ZonedDateTime updateTimeZone(Matcher expressionMatcher, ZonedDateTime zonedDate)
{
    String outputTimeZone = expressionMatcher.group(OUTPUT_TIMEZONE_GROUP);
    if (outputTimeZone != null)
    {
        return zonedDate.withZoneSameInstant(ZoneId.of(outputTimeZone));
    }
    return zonedDate;
}
 

@Test
public void test_withZoneSameInstant() {
    ZonedDateTime base = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500, ZONE_0100);
    ZonedDateTime test = base.withZoneSameInstant(ZONE_0200);
    ZonedDateTime expected = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500.plusHours(1), ZONE_0200);
    assertEquals(test, expected);
}
 

@Test
public void test_withZoneSameInstant_noChange() {
    ZonedDateTime base = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500, ZONE_0100);
    ZonedDateTime test = base.withZoneSameInstant(ZONE_0100);
    assertEquals(test, base);
}
 

@Test(expected=NullPointerException.class)
public void test_withZoneSameInstant_null() {
    ZonedDateTime base = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500, ZONE_0100);
    base.withZoneSameInstant(null);
}
 

@Test(expectedExceptions=NullPointerException.class)
public void test_withZoneSameInstant_null() {
    ZonedDateTime base = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500, ZONE_0100);
    base.withZoneSameInstant(null);
}
 

@Test(expectedExceptions=NullPointerException.class)
public void test_withZoneSameInstant_null() {
    ZonedDateTime base = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500, ZONE_0100);
    base.withZoneSameInstant(null);
}
 

@Test(expectedExceptions=NullPointerException.class)
public void test_withZoneSameInstant_null() {
    ZonedDateTime base = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500, ZONE_0100);
    base.withZoneSameInstant(null);
}
 

@Test(expectedExceptions=NullPointerException.class)
public void test_withZoneSameInstant_null() {
    ZonedDateTime base = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500, ZONE_0100);
    base.withZoneSameInstant(null);
}
 

@Test(expectedExceptions=NullPointerException.class)
public void test_withZoneSameInstant_null() {
    ZonedDateTime base = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500, ZONE_0100);
    base.withZoneSameInstant(null);
}
 

public static String formatDateTime(ZonedDateTime dateTime, String formatPattern, boolean utc) {
    var dateTimeToFormat = utc ? dateTime.withZoneSameInstant(ZoneId.of("UTC")) : dateTime;
    return dateTimeToFormat.format(DateTimeFormatter.ofPattern(formatPattern));
}
 

@Test
public void test_withZoneSameInstant_noChange() {
    ZonedDateTime base = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500, ZONE_0100);
    ZonedDateTime test = base.withZoneSameInstant(ZONE_0100);
    assertEquals(test, base);
}
 

@Test(expectedExceptions=NullPointerException.class)
public void test_withZoneSameInstant_null() {
    ZonedDateTime base = ZonedDateTime.of(TEST_LOCAL_2008_06_30_11_30_59_500, ZONE_0100);
    base.withZoneSameInstant(null);
}
 

/**
 * Constructor.
 *
 * @param tz zone date time
 * @param serverZoneId server session zoneId
 * @param fractionalSeconds must fractional Seconds be send to database.
 * @param options session options
 */
public ZonedDateTimeParameter(
    ZonedDateTime tz, ZoneId serverZoneId, boolean fractionalSeconds, Options options) {
  ZoneId zoneId = options.useLegacyDatetimeCode ? ZoneOffset.systemDefault() : serverZoneId;
  this.tz = tz.withZoneSameInstant(zoneId);
  this.fractionalSeconds = fractionalSeconds;
}