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

/**
 * グラフデータを読み込み
 * 
 * @param type 種類
 * @param scale 期間
 * @param min 期間の最小(自身を含む)
 * @param max 期間の最大(自身を含まない)
 * @return グラフデータ
 */
private Map<ZonedDateTime, Double> load(TypeOption type, ScaleOption scale, ZonedDateTime min, ZonedDateTime max) {
    Map<ZonedDateTime, Double> map = new LinkedHashMap<>();
    // 空のデータを作る
    ZonedDateTime current = min;
    while (current.compareTo(max) < 0) {
        map.put(current, 0D);
        current = current.plus(scale.getTick());
    }
    // ログから読み込み
    Instant minInstant = min.toInstant();
    Instant maxInstant = max.toInstant();

    List<SimpleBattleLog> logs = BattleLogs.readSimpleLog(log -> {
        Instant a = log.getDate().toInstant();
        return a.compareTo(minInstant) >= 0 && a.compareTo(maxInstant) < 0;
    });
    map.putAll(logs.stream()
            .collect(Collectors.groupingBy(log -> scale.convert(log.getDate(), type),
                    Collectors.summingDouble(type::convert))));
    return map;
}
 

public void test_London_preTimeZones() {
    ZoneRules test = europeLondon();
    ZonedDateTime old = createZDT(1800, 1, 1, ZoneOffset.UTC);
    Instant instant = old.toInstant();
    ZoneOffset offset = ZoneOffset.ofHoursMinutesSeconds(0, -1, -15);
    assertEquals(test.getOffset(instant), offset);
    checkOffset(test, old.toLocalDateTime(), offset, 1);
    assertEquals(test.getStandardOffset(instant), offset);
    assertEquals(test.getDaylightSavings(instant), Duration.ZERO);
    assertEquals(test.isDaylightSavings(instant), false);
}
 

public void test_NewYork_preTimeZones() {
    ZoneRules test = americaNewYork();
    ZonedDateTime old = createZDT(1800, 1, 1, ZoneOffset.UTC);
    Instant instant = old.toInstant();
    ZoneOffset offset = ZoneOffset.of("-04:56:02");
    assertEquals(test.getOffset(instant), offset);
    checkOffset(test, old.toLocalDateTime(), offset, 1);
    assertEquals(test.getStandardOffset(instant), offset);
    assertEquals(test.getDaylightSavings(instant), Duration.ZERO);
    assertEquals(test.isDaylightSavings(instant), false);
}
 

@Test(dataProvider="toInstant")
public void test_toInstant_M0100(LocalDateTime ldt, long expectedEpSec, int expectedNos) {
    ZonedDateTime dt = ldt.atZone(ZONE_M0100);
    Instant test = dt.toInstant();
    assertEquals(test.getEpochSecond(), expectedEpSec + 3600);
    assertEquals(test.getNano(), expectedNos);
}
 

public void test_NewYork_preTimeZones() {
    ZoneRules test = americaNewYork();
    ZonedDateTime old = createZDT(1800, 1, 1, ZoneOffset.UTC);
    Instant instant = old.toInstant();
    ZoneOffset offset = ZoneOffset.of("-04:56:02");
    assertEquals(test.getOffset(instant), offset);
    checkOffset(test, old.toLocalDateTime(), offset, 1);
    assertEquals(test.getStandardOffset(instant), offset);
    assertEquals(test.getDaylightSavings(instant), Duration.ZERO);
    assertEquals(test.isDaylightSavings(instant), false);
}
 

public void test_London_getStandardOffset() {
    ZoneRules test = europeLondon();
    ZonedDateTime zdt = createZDT(1840, 1, 1, ZoneOffset.UTC);
    while (zdt.getYear() < 2010) {
        Instant instant = zdt.toInstant();
        if (zdt.getYear() < 1848) {
            assertEquals(test.getStandardOffset(instant), ZoneOffset.ofHoursMinutesSeconds(0, -1, -15));
        } else if (zdt.getYear() >= 1969 && zdt.getYear() < 1972) {
            assertEquals(test.getStandardOffset(instant), OFFSET_PONE);
        } else {
            assertEquals(test.getStandardOffset(instant), OFFSET_ZERO);
        }
        zdt = zdt.plusMonths(6);
    }
}
 

@Test(dataProvider="toInstant")
public void test_toInstant_M0100(LocalDateTime ldt, long expectedEpSec, int expectedNos) {
    ZonedDateTime dt = ldt.atZone(ZONE_M0100);
    Instant test = dt.toInstant();
    assertEquals(test.getEpochSecond(), expectedEpSec + 3600);
    assertEquals(test.getNano(), expectedNos);
}
 

public void test_London_getStandardOffset() {
    ZoneRules test = europeLondon();
    ZonedDateTime zdt = createZDT(1840, 1, 1, ZoneOffset.UTC);
    while (zdt.getYear() < 2010) {
        Instant instant = zdt.toInstant();
        if (zdt.getYear() < 1848) {
            assertEquals(test.getStandardOffset(instant), ZoneOffset.ofHoursMinutesSeconds(0, -1, -15));
        } else if (zdt.getYear() >= 1969 && zdt.getYear() < 1972) {
            assertEquals(test.getStandardOffset(instant), OFFSET_PONE);
        } else {
            assertEquals(test.getStandardOffset(instant), OFFSET_ZERO);
        }
        zdt = zdt.plusMonths(6);
    }
}
 

@Test(dataProvider="toInstant")
public void test_toInstant_M0100(LocalDateTime ldt, long expectedEpSec, int expectedNos) {
    ZonedDateTime dt = ldt.atZone(ZONE_M0100);
    Instant test = dt.toInstant();
    assertEquals(test.getEpochSecond(), expectedEpSec + 3600);
    assertEquals(test.getNano(), expectedNos);
}
 

@Test(dataProvider="toInstant")
public void test_toInstant_P0100(LocalDateTime ldt, long expectedEpSec, int expectedNos) {
    ZonedDateTime dt = ldt.atZone(ZONE_0100);
    Instant test = dt.toInstant();
    assertEquals(test.getEpochSecond(), expectedEpSec - 3600);
    assertEquals(test.getNano(), expectedNos);
}
 

@Test(dataProvider="toInstant")
public void test_toInstant_M0100(LocalDateTime ldt, long expectedEpSec, int expectedNos) {
    ZonedDateTime dt = ldt.atZone(ZONE_M0100);
    Instant test = dt.toInstant();
    assertEquals(test.getEpochSecond(), expectedEpSec + 3600);
    assertEquals(test.getNano(), expectedNos);
}
 

public void test_London_preTimeZones() {
    ZoneRules test = europeLondon();
    ZonedDateTime old = createZDT(1800, 1, 1, ZoneOffset.UTC);
    Instant instant = old.toInstant();
    ZoneOffset offset = ZoneOffset.ofHoursMinutesSeconds(0, -1, -15);
    assertEquals(test.getOffset(instant), offset);
    checkOffset(test, old.toLocalDateTime(), offset, 1);
    assertEquals(test.getStandardOffset(instant), offset);
    assertEquals(test.getDaylightSavings(instant), Duration.ZERO);
    assertEquals(test.isDaylightSavings(instant), false);
}
 

@Test()
@UseDataProvider("data_toInstant")
public void test_toInstant_M0100(LocalDateTime ldt, long expectedEpSec, int expectedNos) {
    ZonedDateTime dt = ldt.atZone(ZONE_M0100);
    Instant test = dt.toInstant();
    assertEquals(test.getEpochSecond(), expectedEpSec + 3600);
    assertEquals(test.getNano(), expectedNos);
}
 

public void test_Paris_preTimeZones() {
    ZoneRules test = europeParis();
    ZonedDateTime old = createZDT(1800, 1, 1, ZoneOffset.UTC);
    Instant instant = old.toInstant();
    ZoneOffset offset = ZoneOffset.ofHoursMinutesSeconds(0, 9, 21);
    assertEquals(test.getOffset(instant), offset);
    checkOffset(test, old.toLocalDateTime(), offset, 1);
    assertEquals(test.getStandardOffset(instant), offset);
    assertEquals(test.getDaylightSavings(instant), Duration.ZERO);
    assertEquals(test.isDaylightSavings(instant), false);
}
 

public void test_Paris_preTimeZones() {
    ZoneRules test = europeParis();
    ZonedDateTime old = createZDT(1800, 1, 1, ZoneOffset.UTC);
    Instant instant = old.toInstant();
    ZoneOffset offset = ZoneOffset.ofHoursMinutesSeconds(0, 9, 21);
    assertEquals(test.getOffset(instant), offset);
    checkOffset(test, old.toLocalDateTime(), offset, 1);
    assertEquals(test.getStandardOffset(instant), offset);
    assertEquals(test.getDaylightSavings(instant), Duration.ZERO);
    assertEquals(test.isDaylightSavings(instant), false);
}
 

@Test(dataProvider="toInstant")
public void test_toInstant_M0100(LocalDateTime ldt, long expectedEpSec, int expectedNos) {
    ZonedDateTime dt = ldt.atZone(ZONE_M0100);
    Instant test = dt.toInstant();
    assertEquals(test.getEpochSecond(), expectedEpSec + 3600);
    assertEquals(test.getNano(), expectedNos);
}
 

public void test_NewYork_getStandardOffset() {
    ZoneRules test = americaNewYork();
    ZonedDateTime dateTime = createZDT(1860, 1, 1, ZoneOffset.UTC);
    while (dateTime.getYear() < 2010) {
        Instant instant = dateTime.toInstant();
        if (dateTime.toLocalDate().isBefore(LocalDate.of(1883, 11, 18))) {
            assertEquals(test.getStandardOffset(instant), ZoneOffset.of("-04:56:02"));
        } else {
            assertEquals(test.getStandardOffset(instant), ZoneOffset.ofHours(-5));
        }
        dateTime = dateTime.plusMonths(6);
    }
}
 

private LifeTime processLifeTime(Element lifetimeElem) throws ProcessingException {
    Element createdElem = DOMUtils.getFirstChildWithName(lifetimeElem, WSConstants.WSU_NS,
                                                         WSConstants.CREATED_LN);

    ZonedDateTime createdDateTime = ZonedDateTime.parse(DOMUtils.getContent(createdElem));

    Element expiresElem = DOMUtils.getFirstChildWithName(lifetimeElem, WSConstants.WSU_NS,
                                                         WSConstants.EXPIRES_LN);
    ZonedDateTime expiresDateTime = ZonedDateTime.parse(DOMUtils.getContent(expiresElem));

    return new LifeTime(createdDateTime.toInstant(), expiresDateTime.toInstant());
}
 

@Test(dataProvider="toInstant")
public void test_toInstant_UTC(LocalDateTime ldt, long expectedEpSec, int expectedNos) {
    ZonedDateTime dt = ldt.atZone(ZoneOffset.UTC);
    Instant test = dt.toInstant();
    assertEquals(test.getEpochSecond(), expectedEpSec);
    assertEquals(test.getNano(), expectedNos);
}
 

/**
 * 根据指定日期时间获取下一次日期时间
 * 
 * @param dateTime
 * @return
 */
public Instant getNextDateTime(Instant dateTime) {
    ZonedDateTime instant = getNextDateTime(ZonedDateTime.ofInstant(dateTime, ZoneOffset.UTC));
    return instant == null ? null : instant.toInstant();
}