Examples of ZoneRules

java.time.zone.ZoneRules
The rules defining how the zone offset varies for a single time-zone.
The rules model all the historic and future transitions for a time-zone. {@link ZoneOffsetTransition} is used for known transitions, typically historic.{@link ZoneOffsetTransitionRule} is used for future transitions that are basedon the result of an algorithm.
The rules are loaded via {@link ZoneRulesProvider} using a {@link ZoneId}. The same rules may be shared internally between multiple zone IDs.
Serializing an instance of {@code ZoneRules} will store the entire set of rules.It does not store the zone ID as it is not part of the state of this object.
A rule implementation may or may not store full information about historic and future transitions, and the information stored is only as accurate as that supplied to the implementation by the rules provider. Applications should treat the data provided as representing the best information available to the implementation of this rule. @implSpec This class is immutable and thread-safe. @since 1.8
javax.time.calendar.zone.ZoneRules
The rules defining how the zone offset varies for a single time zone.
The rules model all the historic and future transitions for a time zone. The rules are loaded via {@link TimeZone} and {@link ZoneRulesGroup} andare specific to a group, region and version. The same rules may be shared between multiple versions, regions or even groups.
Serializing an instance of {@code ZoneRules} will store the entire setof rules. It does not store the group, region or version as they are not part of the state of this object.
ZoneRules is an abstract class and must be implemented with care to ensure other classes in the framework operate correctly. All instantiable implementations must be final, immutable and thread-safe. It is only intended that the abstract methods are overridden. Subclasses should be Serializable wherever possible. @author Stephen Colebourne
org.threeten.bp.zone.ZoneRules
The rules defining how the zone offset varies for a single time-zone.
The rules model all the historic and future transitions for a time-zone. {@link ZoneOffsetTransition} is used for known transitions, typically historic.{@link ZoneOffsetTransitionRule} is used for future transitions that are basedon the result of an algorithm.
The rules are loaded via {@link ZoneRulesProvider} using a {@link ZoneId}. The same rules may be shared internally between multiple zone IDs.
Serializing an instance of {@code ZoneRules} will store the entire set of rules.It does not store the zone ID as it is not part of the state of this object.
A rule implementation may or may not store full information about historic and future transitions, and the information stored is only as accurate as that supplied to the implementation by the rules provider. Applications should treat the data provided as representing the best information available to the implementation of this rule.
Specification for implementors
The supplied implementations of this class are immutable and thread-safe.

Examples of javax.time.calendar.zone.ZoneRules

            String versionID = "";
            if (pos >= 0) {
                versionID = zoneID.substring(pos + 1);
                zoneID = zoneID.substring(0, pos);
            }
            ZoneRules rules = group.getRules(zoneID, versionID);  // validates IDs
            return new TimeZone(group.getID(), zoneID, versionID, rules);
        }
    }

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Examples of javax.time.calendar.zone.ZoneRules

        ISOChronology.checkNotNull(offset, "ZoneOffset must not be null");
        if (offset == ZoneOffset.UTC) {
            return UTC;
        }
        String id = "UTC" + offset.getID();
        ZoneRules zoneRules = ZoneRules.fixed(offset);
        return new TimeZone("", id, "", zoneRules);
    }

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Examples of javax.time.calendar.zone.ZoneRules

            if (versionID.length() > 0) {
                throw new CalendricalException("Fixed time zone does not provide versions");
            }
            return this;
        }
        ZoneRules rules = getGroup().getRules(regionID, versionID);  // validates IDs
        if (versionID.equals(this.versionID)) {
            return this;
        }
        return new TimeZone(groupID, regionID, versionID, rules);
    }

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Examples of javax.time.calendar.zone.ZoneRules

        // fixed rules always in transient field
        if (rules != null) {
            return rules;
        }
        ZoneRulesGroup group = ZoneRulesGroup.getGroup(groupID);
        ZoneRules r = group.getRules(regionID, versionID);
        if (versionID.length() > 0) {
            rules = r;
        }
        return r;
    }

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Examples of javax.time.calendar.zone.ZoneRules

            TimeZone zone,
            LocalDateTime newDateTime,
            ZonedDateTime oldDateTime) {
        
        // ensure rules used are appropriate if zone has a floating version
        ZoneRules rules = (oldDateTime != null ? oldDateTime.getApplicableRules() : zone.getRules());
        
        OffsetInfo info = rules.getOffsetInfo(newDateTime);
        if (info.isTransition() == false) {
            return OffsetDateTime.from(newDateTime, info.getOffset());
        }
        ZoneOffsetTransition discontinuity = info.getTransition();
        OffsetDateTime result = discontinuity.isGap() ?

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Examples of javax.time.calendar.zone.ZoneRules

     */
    public static ZonedDateTime of(OffsetDateTime dateTime, TimeZone zone) {
        ISOChronology.checkNotNull(dateTime, "OffsetDateTime must not be null");
        ISOChronology.checkNotNull(zone, "TimeZone must not be null");
        ZoneOffset inputOffset = dateTime.getOffset();
        ZoneRules rules = zone.getRules();  // latest rules version
        OffsetInfo info = rules.getOffsetInfo(dateTime.toLocalDateTime());
        if (info.isValidOffset(inputOffset) == false) {
            if (info.isTransition() && info.getTransition().isGap()) {
                throw new CalendarConversionException("The local time " + dateTime.toLocalDateTime() +
                        " does not exist in time zone " + zone + " due to a daylight savings gap");
            }

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Examples of javax.time.calendar.zone.ZoneRules

     * @throws CalendricalException if the result exceeds the supported range
     */
    public static ZonedDateTime fromInstant(InstantProvider instantProvider, TimeZone zone) {
        Instant instant = Instant.from(instantProvider);
        ISOChronology.checkNotNull(zone, "TimeZone must not be null");
        ZoneRules rules = zone.getRules();  // latest rules version
        OffsetDateTime offsetDT = OffsetDateTime.fromInstant(instant, rules.getOffset(instant));
        return new ZonedDateTime(offsetDT, zone);
    }

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Examples of javax.time.calendar.zone.ZoneRules

     * @throws CalendricalException if the result exceeds the supported range
     */
    public static ZonedDateTime fromInstant(OffsetDateTime dateTime, TimeZone zone) {
        ISOChronology.checkNotNull(dateTime, "OffsetDateTime must not be null");
        ISOChronology.checkNotNull(zone, "TimeZone must not be null");
        ZoneRules rules = zone.getRules();  // latest rules version
        if (rules.isValidDateTime(dateTime) == false) {
            ZoneOffset offsetForInstant = rules.getOffset(dateTime);
            dateTime = dateTime.withOffsetSameInstant(offsetForInstant);
        }
        return new ZonedDateTime(dateTime, zone);
    }

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Examples of javax.time.calendar.zone.ZoneRules

     */
    public static ZonedDateTime dateTime(OffsetDateTime dateTime, TimeZone zone) {
        ISOChronology.checkNotNull(dateTime, "OffsetDateTime must not be null");
        ISOChronology.checkNotNull(zone, "TimeZone must not be null");
        ZoneOffset inputOffset = dateTime.getOffset();
        ZoneRules rules = zone.getRules();  // latest rules version
        OffsetInfo info = rules.getOffsetInfo(dateTime.toLocalDateTime());
        if (info.isValidOffset(inputOffset) == false) {
            if (info.isDiscontinuity() && info.getDiscontinuity().isGap()) {
                throw new CalendarConversionException("The local time " + dateTime.toLocalDateTime() +
                        " does not exist in time zone " + zone + " due to a daylight savings gap");
            }

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Examples of javax.time.calendar.zone.ZoneRules

     * @throws CalendricalException if the result exceeds the supported range
     */
    public static ZonedDateTime fromInstant(InstantProvider instantProvider, TimeZone zone) {
        Instant instant = Instant.instant(instantProvider);
        ISOChronology.checkNotNull(zone, "TimeZone must not be null");
        ZoneRules rules = zone.getRules();  // latest rules version
        OffsetDateTime offsetDT = OffsetDateTime.fromInstant(instant, rules.getOffset(instant));
        return new ZonedDateTime(offsetDT, zone);
    }

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Examples of ZoneRules

Specification for implementors

Examples of javax.time.calendar.zone.ZoneRules

Examples of javax.time.calendar.zone.ZoneRules

Examples of javax.time.calendar.zone.ZoneRules

Examples of javax.time.calendar.zone.ZoneRules

Examples of javax.time.calendar.zone.ZoneRules

Examples of javax.time.calendar.zone.ZoneRules

Examples of javax.time.calendar.zone.ZoneRules

Examples of javax.time.calendar.zone.ZoneRules

Examples of javax.time.calendar.zone.ZoneRules

Examples of javax.time.calendar.zone.ZoneRules