Java Code Examples for java.time.zone.ZoneRules#getValidOffsets()

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Example 1
Source File: ZonedDateTime.java    From Bytecoder with Apache License 2.0 6 votes vote down vote up 
/**
 * Obtains an instance of {@code ZonedDateTime} from a local date-time
 * using the preferred offset if possible.
 * <p>
 * The local date-time is resolved to a single instant on the time-line.
 * This is achieved by finding a valid offset from UTC/Greenwich for the local
 * date-time as defined by the {@link ZoneRules rules} of the zone ID.
 *<p>
 * In most cases, there is only one valid offset for a local date-time.
 * In the case of an overlap, where clocks are set back, there are two valid offsets.
 * If the preferred offset is one of the valid offsets then it is used.
 * Otherwise the earlier valid offset is used, typically corresponding to "summer".
 * <p>
 * In the case of a gap, where clocks jump forward, there is no valid offset.
 * Instead, the local date-time is adjusted to be later by the length of the gap.
 * For a typical one hour daylight savings change, the local date-time will be
 * moved one hour later into the offset typically corresponding to "summer".
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the time-zone, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
public static ZonedDateTime ofLocal(LocalDateTime localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ZonedDateTime(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    List<ZoneOffset> validOffsets = rules.getValidOffsets(localDateTime);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(localDateTime);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = Objects.requireNonNull(validOffsets.get(0), "offset");  // protect against bad ZoneRules
        }
    }
    return new ZonedDateTime(localDateTime, offset, zone);
}
Example 2
Source File: ZonedDateTime.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Obtains an instance of {@code ZonedDateTime} from a local date-time
 * using the preferred offset if possible.
 * <p>
 * The local date-time is resolved to a single instant on the time-line.
 * This is achieved by finding a valid offset from UTC/Greenwich for the local
 * date-time as defined by the {@link ZoneRules rules} of the zone ID.
 *<p>
 * In most cases, there is only one valid offset for a local date-time.
 * In the case of an overlap, where clocks are set back, there are two valid offsets.
 * If the preferred offset is one of the valid offsets then it is used.
 * Otherwise the earlier valid offset is used, typically corresponding to "summer".
 * <p>
 * In the case of a gap, where clocks jump forward, there is no valid offset.
 * Instead, the local date-time is adjusted to be later by the length of the gap.
 * For a typical one hour daylight savings change, the local date-time will be
 * moved one hour later into the offset typically corresponding to "summer".
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the time-zone, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
public static ZonedDateTime ofLocal(LocalDateTime localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ZonedDateTime(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    List<ZoneOffset> validOffsets = rules.getValidOffsets(localDateTime);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(localDateTime);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = Objects.requireNonNull(validOffsets.get(0), "offset");  // protect against bad ZoneRules
        }
    }
    return new ZonedDateTime(localDateTime, offset, zone);
}
Example 3
Source File: ZonedDateTime.java    From desugar_jdk_libs with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Obtains an instance of {@code ZonedDateTime} from a local date-time
 * using the preferred offset if possible.
 * <p>
 * The local date-time is resolved to a single instant on the time-line.
 * This is achieved by finding a valid offset from UTC/Greenwich for the local
 * date-time as defined by the {@link ZoneRules rules} of the zone ID.
 *<p>
 * In most cases, there is only one valid offset for a local date-time.
 * In the case of an overlap, where clocks are set back, there are two valid offsets.
 * If the preferred offset is one of the valid offsets then it is used.
 * Otherwise the earlier valid offset is used, typically corresponding to "summer".
 * <p>
 * In the case of a gap, where clocks jump forward, there is no valid offset.
 * Instead, the local date-time is adjusted to be later by the length of the gap.
 * For a typical one hour daylight savings change, the local date-time will be
 * moved one hour later into the offset typically corresponding to "summer".
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the time-zone, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
public static ZonedDateTime ofLocal(LocalDateTime localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ZonedDateTime(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    List<ZoneOffset> validOffsets = rules.getValidOffsets(localDateTime);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(localDateTime);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = Objects.requireNonNull(validOffsets.get(0), "offset");  // protect against bad ZoneRules
        }
    }
    return new ZonedDateTime(localDateTime, offset, zone);
}
Example 4
Source File: TestZoneId.java    From j2objc with Apache License 2.0 6 votes vote down vote up 
private ZoneOffsetTransition checkOffset(ZoneRules rules, LocalDateTime dateTime, ZoneOffset offset, int type) {
    List<ZoneOffset> validOffsets = rules.getValidOffsets(dateTime);
    assertEquals(validOffsets.size(), type);
    assertEquals(rules.getOffset(dateTime), offset);
    if (type == 1) {
        assertEquals(validOffsets.get(0), offset);
        return null;
    } else {
        ZoneOffsetTransition zot = rules.getTransition(dateTime);
        assertNotNull(zot);
        assertEquals(zot.isOverlap(), type == 2);
        assertEquals(zot.isGap(), type == 0);
        assertEquals(zot.isValidOffset(offset), type == 2);
        return zot;
    }
}
Example 5
Source File: ZonedDateTime.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Obtains an instance of {@code ZonedDateTime} from a local date-time
 * using the preferred offset if possible.
 * <p>
 * The local date-time is resolved to a single instant on the time-line.
 * This is achieved by finding a valid offset from UTC/Greenwich for the local
 * date-time as defined by the {@link ZoneRules rules} of the zone ID.
 *<p>
 * In most cases, there is only one valid offset for a local date-time.
 * In the case of an overlap, where clocks are set back, there are two valid offsets.
 * If the preferred offset is one of the valid offsets then it is used.
 * Otherwise the earlier valid offset is used, typically corresponding to "summer".
 * <p>
 * In the case of a gap, where clocks jump forward, there is no valid offset.
 * Instead, the local date-time is adjusted to be later by the length of the gap.
 * For a typical one hour daylight savings change, the local date-time will be
 * moved one hour later into the offset typically corresponding to "summer".
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the time-zone, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
public static ZonedDateTime ofLocal(LocalDateTime localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ZonedDateTime(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    List<ZoneOffset> validOffsets = rules.getValidOffsets(localDateTime);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(localDateTime);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = Objects.requireNonNull(validOffsets.get(0), "offset");  // protect against bad ZoneRules
        }
    }
    return new ZonedDateTime(localDateTime, offset, zone);
}
Example 6
Source File: ZonedDateTime.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Obtains an instance of {@code ZonedDateTime} from a local date-time
 * using the preferred offset if possible.
 * <p>
 * The local date-time is resolved to a single instant on the time-line.
 * This is achieved by finding a valid offset from UTC/Greenwich for the local
 * date-time as defined by the {@link ZoneRules rules} of the zone ID.
 *<p>
 * In most cases, there is only one valid offset for a local date-time.
 * In the case of an overlap, where clocks are set back, there are two valid offsets.
 * If the preferred offset is one of the valid offsets then it is used.
 * Otherwise the earlier valid offset is used, typically corresponding to "summer".
 * <p>
 * In the case of a gap, where clocks jump forward, there is no valid offset.
 * Instead, the local date-time is adjusted to be later by the length of the gap.
 * For a typical one hour daylight savings change, the local date-time will be
 * moved one hour later into the offset typically corresponding to "summer".
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the time-zone, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
public static ZonedDateTime ofLocal(LocalDateTime localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ZonedDateTime(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    List<ZoneOffset> validOffsets = rules.getValidOffsets(localDateTime);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(localDateTime);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = Objects.requireNonNull(validOffsets.get(0), "offset");  // protect against bad ZoneRules
        }
    }
    return new ZonedDateTime(localDateTime, offset, zone);
}
Example 7
Source File: ZonedDateTime.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Obtains an instance of {@code ZonedDateTime} from a local date-time
 * using the preferred offset if possible.
 * <p>
 * The local date-time is resolved to a single instant on the time-line.
 * This is achieved by finding a valid offset from UTC/Greenwich for the local
 * date-time as defined by the {@link ZoneRules rules} of the zone ID.
 *<p>
 * In most cases, there is only one valid offset for a local date-time.
 * In the case of an overlap, where clocks are set back, there are two valid offsets.
 * If the preferred offset is one of the valid offsets then it is used.
 * Otherwise the earlier valid offset is used, typically corresponding to "summer".
 * <p>
 * In the case of a gap, where clocks jump forward, there is no valid offset.
 * Instead, the local date-time is adjusted to be later by the length of the gap.
 * For a typical one hour daylight savings change, the local date-time will be
 * moved one hour later into the offset typically corresponding to "summer".
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the time-zone, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
public static ZonedDateTime ofLocal(LocalDateTime localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ZonedDateTime(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    List<ZoneOffset> validOffsets = rules.getValidOffsets(localDateTime);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(localDateTime);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = Objects.requireNonNull(validOffsets.get(0), "offset");  // protect against bad ZoneRules
        }
    }
    return new ZonedDateTime(localDateTime, offset, zone);
}
Example 8
Source File: TestZoneId.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
private ZoneOffsetTransition checkOffset(ZoneRules rules, LocalDateTime dateTime, ZoneOffset offset, int type) {
    List<ZoneOffset> validOffsets = rules.getValidOffsets(dateTime);
    assertEquals(validOffsets.size(), type);
    assertEquals(rules.getOffset(dateTime), offset);
    if (type == 1) {
        assertEquals(validOffsets.get(0), offset);
        return null;
    } else {
        ZoneOffsetTransition zot = rules.getTransition(dateTime);
        assertNotNull(zot);
        assertEquals(zot.isOverlap(), type == 2);
        assertEquals(zot.isGap(), type == 0);
        assertEquals(zot.isValidOffset(offset), type == 2);
        return zot;
    }
}
Example 9
Source File: TCKZoneRules.java    From jdk8u_jdk with GNU General Public License v2.0 6 votes vote down vote up 
private ZoneOffsetTransition checkOffset(ZoneRules rules, LocalDateTime dateTime, ZoneOffset offset, int type) {
    List<ZoneOffset> validOffsets = rules.getValidOffsets(dateTime);
    assertEquals(validOffsets.size(), type);
    assertEquals(rules.getOffset(dateTime), offset);
    if (type == 1) {
        assertEquals(validOffsets.get(0), offset);
        return null;
    } else {
        ZoneOffsetTransition zot = rules.getTransition(dateTime);
        assertNotNull(zot);
        assertEquals(zot.isOverlap(), type == 2);
        assertEquals(zot.isGap(), type == 0);
        assertEquals(zot.isValidOffset(offset), type == 2);
        return zot;
    }
}
Example 10
Source File: TestZoneId.java    From jdk8u-dev-jdk with GNU General Public License v2.0 6 votes vote down vote up 
private ZoneOffsetTransition checkOffset(ZoneRules rules, LocalDateTime dateTime, ZoneOffset offset, int type) {
    List<ZoneOffset> validOffsets = rules.getValidOffsets(dateTime);
    assertEquals(validOffsets.size(), type);
    assertEquals(rules.getOffset(dateTime), offset);
    if (type == 1) {
        assertEquals(validOffsets.get(0), offset);
        return null;
    } else {
        ZoneOffsetTransition zot = rules.getTransition(dateTime);
        assertNotNull(zot);
        assertEquals(zot.isOverlap(), type == 2);
        assertEquals(zot.isGap(), type == 0);
        assertEquals(zot.isValidOffset(offset), type == 2);
        return zot;
    }
}
Example 11
Source File: ZonedDateTime.java    From openjdk-8-source with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Obtains an instance of {@code ZonedDateTime} from a local date-time
 * using the preferred offset if possible.
 * <p>
 * The local date-time is resolved to a single instant on the time-line.
 * This is achieved by finding a valid offset from UTC/Greenwich for the local
 * date-time as defined by the {@link ZoneRules rules} of the zone ID.
 *<p>
 * In most cases, there is only one valid offset for a local date-time.
 * In the case of an overlap, where clocks are set back, there are two valid offsets.
 * If the preferred offset is one of the valid offsets then it is used.
 * Otherwise the earlier valid offset is used, typically corresponding to "summer".
 * <p>
 * In the case of a gap, where clocks jump forward, there is no valid offset.
 * Instead, the local date-time is adjusted to be later by the length of the gap.
 * For a typical one hour daylight savings change, the local date-time will be
 * moved one hour later into the offset typically corresponding to "summer".
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the time-zone, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
public static ZonedDateTime ofLocal(LocalDateTime localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ZonedDateTime(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    List<ZoneOffset> validOffsets = rules.getValidOffsets(localDateTime);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(localDateTime);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = Objects.requireNonNull(validOffsets.get(0), "offset");  // protect against bad ZoneRules
        }
    }
    return new ZonedDateTime(localDateTime, offset, zone);
}
Example 12
Source File: ZonedDateTime.java    From dragonwell8_jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Obtains an instance of {@code ZonedDateTime} from a local date-time
 * using the preferred offset if possible.
 * <p>
 * The local date-time is resolved to a single instant on the time-line.
 * This is achieved by finding a valid offset from UTC/Greenwich for the local
 * date-time as defined by the {@link ZoneRules rules} of the zone ID.
 *<p>
 * In most cases, there is only one valid offset for a local date-time.
 * In the case of an overlap, where clocks are set back, there are two valid offsets.
 * If the preferred offset is one of the valid offsets then it is used.
 * Otherwise the earlier valid offset is used, typically corresponding to "summer".
 * <p>
 * In the case of a gap, where clocks jump forward, there is no valid offset.
 * Instead, the local date-time is adjusted to be later by the length of the gap.
 * For a typical one hour daylight savings change, the local date-time will be
 * moved one hour later into the offset typically corresponding to "summer".
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the time-zone, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
public static ZonedDateTime ofLocal(LocalDateTime localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ZonedDateTime(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    List<ZoneOffset> validOffsets = rules.getValidOffsets(localDateTime);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(localDateTime);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = Objects.requireNonNull(validOffsets.get(0), "offset");  // protect against bad ZoneRules
        }
    }
    return new ZonedDateTime(localDateTime, offset, zone);
}
Example 13
Source File: TestZoneId.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up 
private ZoneOffsetTransition checkOffset(ZoneRules rules, LocalDateTime dateTime, ZoneOffset offset, int type) {
    List<ZoneOffset> validOffsets = rules.getValidOffsets(dateTime);
    assertEquals(validOffsets.size(), type);
    assertEquals(rules.getOffset(dateTime), offset);
    if (type == 1) {
        assertEquals(validOffsets.get(0), offset);
        return null;
    } else {
        ZoneOffsetTransition zot = rules.getTransition(dateTime);
        assertNotNull(zot);
        assertEquals(zot.isOverlap(), type == 2);
        assertEquals(zot.isGap(), type == 0);
        assertEquals(zot.isValidOffset(offset), type == 2);
        return zot;
    }
}
Example 14
Source File: ChronoZonedDateTimeImpl.java    From jdk8u-dev-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance from a local date-time using the preferred offset if possible.
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the zone identifier, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
static <R extends ChronoLocalDate> ChronoZonedDateTime<R> ofBest(
        ChronoLocalDateTimeImpl<R> localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ChronoZonedDateTimeImpl<>(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    LocalDateTime isoLDT = LocalDateTime.from(localDateTime);
    List<ZoneOffset> validOffsets = rules.getValidOffsets(isoLDT);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(isoLDT);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = validOffsets.get(0);
        }
    }
    Objects.requireNonNull(offset, "offset");  // protect against bad ZoneRules
    return new ChronoZonedDateTimeImpl<>(localDateTime, offset, zone);
}
Example 15
Source File: ChronoZonedDateTimeImpl.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance from a local date-time using the preferred offset if possible.
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the zone identifier, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
static <R extends ChronoLocalDate> ChronoZonedDateTime<R> ofBest(
        ChronoLocalDateTimeImpl<R> localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ChronoZonedDateTimeImpl<>(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    LocalDateTime isoLDT = LocalDateTime.from(localDateTime);
    List<ZoneOffset> validOffsets = rules.getValidOffsets(isoLDT);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(isoLDT);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = validOffsets.get(0);
        }
    }
    Objects.requireNonNull(offset, "offset");  // protect against bad ZoneRules
    return new ChronoZonedDateTimeImpl<>(localDateTime, offset, zone);
}
Example 16
Source File: ChronoZonedDateTimeImpl.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance from a local date-time using the preferred offset if possible.
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the zone identifier, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
static <R extends ChronoLocalDate> ChronoZonedDateTime<R> ofBest(
        ChronoLocalDateTimeImpl<R> localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ChronoZonedDateTimeImpl<>(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    LocalDateTime isoLDT = LocalDateTime.from(localDateTime);
    List<ZoneOffset> validOffsets = rules.getValidOffsets(isoLDT);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(isoLDT);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = validOffsets.get(0);
        }
    }
    Objects.requireNonNull(offset, "offset");  // protect against bad ZoneRules
    return new ChronoZonedDateTimeImpl<>(localDateTime, offset, zone);
}
Example 17
Source File: ChronoZonedDateTimeImpl.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
/**
 * Obtains an instance from a local date-time using the preferred offset if possible.
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the zone identifier, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
static <R extends ChronoLocalDate> ChronoZonedDateTime<R> ofBest(
        ChronoLocalDateTimeImpl<R> localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ChronoZonedDateTimeImpl<>(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    LocalDateTime isoLDT = LocalDateTime.from(localDateTime);
    List<ZoneOffset> validOffsets = rules.getValidOffsets(isoLDT);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(isoLDT);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = validOffsets.get(0);
        }
    }
    Objects.requireNonNull(offset, "offset");  // protect against bad ZoneRules
    return new ChronoZonedDateTimeImpl<>(localDateTime, offset, zone);
}
Example 18
Source File: ChronoZonedDateTimeImpl.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance from a local date-time using the preferred offset if possible.
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the zone identifier, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
static <R extends ChronoLocalDate> ChronoZonedDateTime<R> ofBest(
        ChronoLocalDateTimeImpl<R> localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ChronoZonedDateTimeImpl<>(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    LocalDateTime isoLDT = LocalDateTime.from(localDateTime);
    List<ZoneOffset> validOffsets = rules.getValidOffsets(isoLDT);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(isoLDT);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = validOffsets.get(0);
        }
    }
    Objects.requireNonNull(offset, "offset");  // protect against bad ZoneRules
    return new ChronoZonedDateTimeImpl<>(localDateTime, offset, zone);
}
Example 19
Source File: ChronoZonedDateTimeImpl.java    From desugar_jdk_libs with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance from a local date-time using the preferred offset if possible.
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the zone identifier, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
static <R extends ChronoLocalDate> ChronoZonedDateTime<R> ofBest(
        ChronoLocalDateTimeImpl<R> localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ChronoZonedDateTimeImpl<>(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    LocalDateTime isoLDT = LocalDateTime.from(localDateTime);
    List<ZoneOffset> validOffsets = rules.getValidOffsets(isoLDT);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(isoLDT);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = validOffsets.get(0);
        }
    }
    Objects.requireNonNull(offset, "offset");  // protect against bad ZoneRules
    return new ChronoZonedDateTimeImpl<>(localDateTime, offset, zone);
}
Example 20
Source File: ChronoZonedDateTimeImpl.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Obtains an instance from a local date-time using the preferred offset if possible.
 *
 * @param localDateTime  the local date-time, not null
 * @param zone  the zone identifier, not null
 * @param preferredOffset  the zone offset, null if no preference
 * @return the zoned date-time, not null
 */
static <R extends ChronoLocalDate> ChronoZonedDateTime<R> ofBest(
        ChronoLocalDateTimeImpl<R> localDateTime, ZoneId zone, ZoneOffset preferredOffset) {
    Objects.requireNonNull(localDateTime, "localDateTime");
    Objects.requireNonNull(zone, "zone");
    if (zone instanceof ZoneOffset) {
        return new ChronoZonedDateTimeImpl<>(localDateTime, (ZoneOffset) zone, zone);
    }
    ZoneRules rules = zone.getRules();
    LocalDateTime isoLDT = LocalDateTime.from(localDateTime);
    List<ZoneOffset> validOffsets = rules.getValidOffsets(isoLDT);
    ZoneOffset offset;
    if (validOffsets.size() == 1) {
        offset = validOffsets.get(0);
    } else if (validOffsets.size() == 0) {
        ZoneOffsetTransition trans = rules.getTransition(isoLDT);
        localDateTime = localDateTime.plusSeconds(trans.getDuration().getSeconds());
        offset = trans.getOffsetAfter();
    } else {
        if (preferredOffset != null && validOffsets.contains(preferredOffset)) {
            offset = preferredOffset;
        } else {
            offset = validOffsets.get(0);
        }
    }
    Objects.requireNonNull(offset, "offset");  // protect against bad ZoneRules
    return new ChronoZonedDateTimeImpl<>(localDateTime, offset, zone);
}