Example usage for java.time ZonedDateTime toInstant

Introduction

In this page you can find the example usage for java.time ZonedDateTime toInstant.

Prototype

default Instant toInstant()

Source Link

Document

Converts this date-time to an Instant .

Usage

From source file:com.example.app.support.AppUtil.java

/**
 * Convert the given ZonedDateTime to a UTC date for persistence
 *
 * @param dt the ZonedDateTime to convert to UTC
 *
 * @return a Date object that represents the same instant as the ZonedDateTime, but at UTC.
 *//*from w w w  . j  a v  a 2 s  .  co  m*/
@Nullable
public static Date convertForPersistence(@Nullable ZonedDateTime dt) {
    if (dt == null)
        return null;
    ZonedDateTime atUtc = dt.withZoneSameInstant(ZoneOffset.UTC);
    return new Date(atUtc.toInstant().toEpochMilli());
}

From source file:com.example.app.support.service.AppUtil.java

/**
 * Convert the given ZonedDateTime to a UTC date for persistence
 *
 * @param dt the ZonedDateTime to convert to UTC
 *
 * @return a Date object that represents the same instant as the ZonedDateTime, but at UTC.
 *//*from  w  w  w .  jav  a  2 s  . c  o  m*/
@Nullable
@Contract(value = "!null->!null;null->null", pure = true)
public static Date convertForPersistence(@Nullable ZonedDateTime dt) {
    if (dt == null)
        return null;
    ZonedDateTime atUtc = dt.withZoneSameInstant(ZoneOffset.UTC);
    return new Date(atUtc.toInstant().toEpochMilli());
}

From source file:com.example.app.support.service.AppUtil.java

/**
 * Convert the given ZonedDateTime to a Date
 *
 * @param dt the ZonedDateTime//from w  w w .  j  a va2  s . c o  m
 *
 * @return a Date object that represents the same instant as the ZonedDateTime, at the ZonedDateTime's timezone.
 */
@Nullable
public static Date toDate(@Nullable ZonedDateTime dt) {
    if (dt == null)
        return null;
    return new Date(dt.toInstant().toEpochMilli());
}

From source file:ru.anr.base.BaseParent.java

/**
 * We have to use old Date object, because Hibernate/JPA does not support
 * Java 8 dates (see https://java.net/jira/browse/JPA_SPEC-63 or
 * https://hibernate.atlassian.net/browse/HHH-8844).
 * //from   ww  w .  j  a va2  s  .  c  o  m
 * @param dateTime
 *            Date time in Java 8 format
 * @return Old Date object
 */
public static Date date(ZonedDateTime dateTime) {

    return Date.from(dateTime.toInstant());
}

From source file:com.example.jpa.UserEntity.java

@PrePersist
public void setCreatedAt() {
    final ZonedDateTime now = ZonedDateTime.now();
    final Instant instant = now.toInstant();
    this.createdAt = Date.from(instant);
}

From source file:fi.helsinki.opintoni.service.TimeService.java

public LocalDateTime endOfDayHelsinki(LocalDateTime fromLocalDateTime) {
    ZonedDateTime zonedDateTime = fromLocalDateTime.atZone(HELSINKI_ZONE_ID).withHour(23).withMinute(59)
            .withSecond(59);/*from w  w  w.  j a v a  2 s .c o  m*/
    return LocalDateTime.ofInstant(zonedDateTime.toInstant(), ZoneId.of("UTC"));
}

From source file:com.inversoft.json.ZonedDateTimeSerializer.java

@Override
public void serialize(ZonedDateTime value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonGenerationException {
    if (value == null) {
        jgen.writeNull();//  w ww. jav a 2 s  . c o m
    } else {
        jgen.writeNumber(value.toInstant().toEpochMilli());
    }
}

From source file:de.loercher.localpress.integration.GeoAndRatingITest.java

@Test
public void testAddArticle() {
    String nowString = "2015-10-12T08:00+02:00[Europe/Berlin]";
    ZonedDateTime now = new DateTimeConverter().fromString(nowString);

    AddArticleEntityDTO geoDTO = new AddArticleEntityDTO(nowString);
    Instant instant = now.toInstant();
    Instant fir = Instant.now();

    MultiValueMap<String, String> headers = new LinkedMultiValueMap<>();
    headers.add("UserID", "ulf");

    HttpEntity<AddArticleEntityDTO> request = new HttpEntity<>(geoDTO, headers);

    RestTemplate template = new RestTemplate();
    ResponseEntity<Map> result = template.postForEntity("http://52.29.77.191:8080/localpress/feedback", request,
            Map.class);

    Instant afterRating = Instant.now();

    GeoBaseEntity.EntityBuilder builder = new GeoBaseEntity.EntityBuilder();
    GeoBaseEntity entity = builder.author("ulf")
            .coordinates(Arrays.asList(new Coordinate[] { new Coordinate(50.1, 8.4) }))
            .timestamp(now.toEpochSecond()).content("abc.de").title("mein titel").user("ulf").build();

    HttpEntity<GeoBaseEntity> second = new HttpEntity<>(entity, headers);
    System.out.println(result.getBody().get("articleID"));

    template.put("http://euve33985.vserver.de:8080/geo/" + result.getBody().get("articleID"), second);

    Instant afterGeoPut = Instant.now();

    result = template.getForEntity("http://euve33985.vserver.de:8080/geo/" + result.getBody().get("articleID"),
            Map.class);

    Instant afterGeoGet = Instant.now();

    assertEquals("User ID has changed over time!", "ulf", result.getBody().get("user"));
    assertEquals("Content URL has changed over time!", "abc.de", result.getBody().get("content"));

    DateTimeConverter conv = new DateTimeConverter();

    Duration first = Duration.between(fir, afterRating);
    Duration sec = Duration.between(afterRating, afterGeoPut);
    Duration third = Duration.between(afterGeoPut, afterGeoGet);

    System.out.println("Begin: " + conv.toString(now));
    System.out.println("Time until POST to rating: " + new Double(first.toMillis()) / 1000);
    System.out.println("Time until PUT to geo: " + new Double(sec.toMillis()) / 1000);
    System.out.println("Time until GET to geo: " + new Double(third.toMillis()) / 1000);
}

From source file:it.tidalwave.northernwind.frontend.media.impl.DefaultMetadataCacheTest.java

/*******************************************************************************************************************
 *
 ******************************************************************************************************************/
private void setTime(final @Nonnull ZonedDateTime dateTime) {
    mockClock = Clock.fixed(dateTime.toInstant(), dateTime.getZone());
    log.info("==== Time set to           {}", ZonedDateTime.now(mockClock));
}

From source file:net.ljcomputing.ecsr.security.service.impl.JwtTokenServiceImpl.java

/**
 * The date now./*from   w  w  w . j  a  v  a  2  s.c o m*/
 *
 * @return the date
 */
private Date now() {
    final ZonedDateTime zdt = ldtNow.atZone(ZONE_ID); // NOPMD
    final Instant instant = zdt.toInstant(); // NOPMD
    return Date.from(instant); // NOPMD
}