Example usage for org.joda.time DateTimeZone isFixed

Introduction

In this page you can find the example usage for org.joda.time DateTimeZone isFixed.

Prototype

public abstract boolean isFixed();

Source Link

Document

Returns true if this time zone has no transitions.

Usage

From source file:com.funambol.common.pim.converter.TimeZoneHelper.java

License:Open Source License

/**
 * Extract time-zone information from a zoneinfo (Olson database) ID and
 * saves them in the TimeZoneHelper fields.
 *
 * @param id the time zone ID according to the zoneinfo (Olson) database
 * @param from the start of the relevant time interval for the generation of
 *             transitions (an istant expressed as a long)
 * @param to the end of the relevant time interval for the generation of
 *           transitions (an istant expressed as a long)
 *///from   ww w .  j  a v a 2s.co m
protected void processID(String id, long from, long to) {

    DateTimeZone tz = DateTimeZone.forID(id);
    if (name == null) { // The name could have been set already using TZID
                        // and in this case it is important not to change it
        name = id; // The Olson ID is perfect as a unique name
    }
    basicOffset = tz.getStandardOffset(from);
    transitions.clear();

    if (!tz.isFixed()) {

        long oldFrom = from;
        from = fixFrom(tz, basicOffset, oldFrom);

        //@todo Consider case when to go beyond last transition (cycle 
        //could become endless)
        while (tz.getStandardOffset(to) != tz.getOffset(to)) {
            to = tz.nextTransition(to);
        }

        while ((from <= to) && (oldFrom != from)) {
            transitions.add(new TimeZoneTransition(tz.getOffset(from), from, id));
            oldFrom = from;
            from = tz.nextTransition(oldFrom);
        }
    }
}

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From source file:com.funambol.common.pim.converter.TimeZoneHelper.java

License:Open Source License

private boolean matchesID(String idToCheck) {

    DateTimeZone tz;

    try {/*from ww w  .  jav  a 2 s .co m*/
        tz = DateTimeZone.forID(idToCheck);
    } catch (IllegalArgumentException e) { // the ID is not recognized
        return false;
    }

    if (getTransitions().size() == 0) { // No transitions
        if (tz.getStandardOffset(REFERENCE_TIME) != basicOffset) {
            return false; // Offsets don't match: wrong guess
        }
        if (tz.isFixed() || (REFERENCE_TIME == tz.nextTransition(REFERENCE_TIME))) {
            return true; // A right fixed or currently-fixed time zone
                         // has been found
        }
        return false; // Wrong guess
    }

    long t = getTransitions().get(0).getTime() - 1;
    if (tz.getStandardOffset(t) != basicOffset) {
        return false; // Wrong guess
    }

    for (TimeZoneTransition transition : getTransitions()) {
        t = tz.nextTransition(t);
        if (!isClose(t, transition.getTime())) {
            return false; // Wrong guess
        }
        if (tz.getOffset(t) != transition.getOffset()) {
            return false; // Wrong guess
        }
    }
    return true; // A right non-fixed time zone has been found

}

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From source file:com.microsoft.exchange.utils.TimeZoneHelper.java

License:Open Source License

/**
 * Converts the given Java time zone into into the corresponding EWS representation.
 *
 * @param tz time zone to convert//from w ww .  j a v a2  s .c o m
 * @return the resulting SerializableTimeZone object
 */
public static SerializableTimeZone toSerializableTimeZone(TimeZone tz) {
    long now = DateTimeUtils.currentTimeMillis();
    DateTimeZone zone = DateTimeZone.forTimeZone(tz);
    int standardOffset = zone.getStandardOffset(now);
    SerializableTimeZone result = new SerializableTimeZone();
    result.setBias(toBias(standardOffset));
    // check if the zone has no transitions
    if (zone.isFixed()) {
        // fake transitions for fixed zones
        result.setStandardTime(FIXED_STANDARD_TIME);
        result.setDaylightTime(FIXED_DAYLIGHT_TIME);
    } else {
        // it is assumed that 2 subsequent transition will have both STD and DST
        long transition = setTransitionTime(zone, now, result);
        setTransitionTime(zone, transition, result);
    }
    return result;
}

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From source file:org.elasticsearch.search.aggregations.bucket.histogram.DateHistogramAggregationBuilder.java

License:Apache License

DateTimeZone rewriteTimeZone(QueryShardContext context) throws IOException {
    final DateTimeZone tz = timeZone();
    if (field() != null && tz != null && tz.isFixed() == false && field() != null && script() == null) {
        final MappedFieldType ft = context.fieldMapper(field());
        final IndexReader reader = context.getIndexReader();
        if (ft != null && reader != null) {
            Long anyInstant = null;
            final IndexNumericFieldData fieldData = context.getForField(ft);
            for (LeafReaderContext ctx : reader.leaves()) {
                AtomicNumericFieldData leafFD = fieldData.load(ctx);
                SortedNumericDocValues values = leafFD.getLongValues();
                if (values.nextDoc() != DocIdSetIterator.NO_MORE_DOCS) {
                    anyInstant = values.nextValue();
                    break;
                }/*from   ww w.j a  v a 2 s  .  c om*/
            }

            if (anyInstant != null) {
                final long prevTransition = tz.previousTransition(anyInstant);
                final long nextTransition = tz.nextTransition(anyInstant);

                // We need all not only values but also rounded values to be within
                // [prevTransition, nextTransition].
                final long low;
                DateTimeUnit intervalAsUnit = getIntervalAsDateTimeUnit();
                if (intervalAsUnit != null) {
                    final DateTimeField dateTimeField = intervalAsUnit.field(tz);
                    low = dateTimeField.roundCeiling(prevTransition);
                } else {
                    final TimeValue intervalAsMillis = getIntervalAsTimeValue();
                    low = Math.addExact(prevTransition, intervalAsMillis.millis());
                }
                // rounding rounds down, so 'nextTransition' is a good upper bound
                final long high = nextTransition;

                if (ft.isFieldWithinQuery(reader, low, high, true, false, DateTimeZone.UTC, EPOCH_MILLIS_PARSER,
                        context) == Relation.WITHIN) {
                    // All values in this reader have the same offset despite daylight saving times.
                    // This is very common for location-based timezones such as Europe/Paris in
                    // combination with time-based indices.
                    return DateTimeZone.forOffsetMillis(tz.getOffset(anyInstant));
                }
            }
        }
    }
    return tz;
}

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From source file:org.jadira.usertype.dateandtime.joda.util.DateTimeZoneWithOffset.java

License:Apache License

public DateTimeZoneWithOffset(DateTimeZone standardDateTimeZone, DateTimeZone offsetDateTimeZone) {
    this.standardDateTimeZone = standardDateTimeZone;
    this.offsetDateTimeZone = offsetDateTimeZone;
    if (offsetDateTimeZone != null && standardDateTimeZone.isFixed()) {
        throw new IllegalArgumentException(
                "offsetDateTimeZone must be null when standardDateTimeZone is fixed");
    }//www .  java  2  s.  c o m
    if (offsetDateTimeZone == null && !standardDateTimeZone.isFixed()) {
        throw new IllegalArgumentException(
                "offsetDateTimeZone must be not null when standardDateTimeZone is not fixed");
    }
}

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