Example usage for org.joda.time DateTimeUtils toJulianDayNumber

Introduction

In this page you can find the example usage for org.joda.time DateTimeUtils toJulianDayNumber.

Prototype

public static final long toJulianDayNumber(long epochMillis) 

Source Link

Document

Calculates the astronomical Julian Day Number for an instant.

Usage

From source file:de.kuschku.libquassel.primitives.serializers.DateTimeSerializer.java

License:Open Source License

@Override
public void serialize(@NonNull final ByteChannel channel, @NonNull final DateTime data) throws IOException {
    final boolean isUTC;
    final DateTimeZone zone = data.getZone();
    if (Objects.equals(zone, DateTimeZone.UTC)) {
        isUTC = true;/*from   w  ww  . j a  v  a2 s .c om*/
    } else if (Objects.equals(zone, DateTimeZone.getDefault())) {
        isUTC = false;
        // TODO: Add serialization for other timezones
    } else {
        throw new IllegalArgumentException(
                "Serialization of timezones except for local and UTC is not supported");
    }

    IntSerializer.get().serialize(channel, (int) DateTimeUtils.toJulianDayNumber(data.getMillis()));
    IntSerializer.get().serialize(channel, data.getMillisOfDay());
    BoolSerializer.get().serialize(channel, isUTC);
}

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From source file:org.jruby.ext.date.RubyDate.java

License:LGPL

public final long getJulianDayNumber() {
    return DateTimeUtils.toJulianDayNumber(dt.getMillis() + off * 1000);
}

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From source file:org.jruby.ext.date.RubyDate.java

License:LGPL

@JRubyMethod
public IRubyObject start(ThreadContext context) {
    Chronology chrono = dt.getChronology();
    if (chrono instanceof GregorianChronology) {
        return getMetaClass().getConstant("GREGORIAN"); // Date::GREGORIAN (-Date::Infinity)
    }/*from  w  ww.  j  a  v  a  2s .  c om*/
    if (chrono instanceof JulianChronology) {
        return getMetaClass().getConstant("JULIAN"); // Date::JULIAN (+Date::Infinity)
    }
    long cutover = DateTimeUtils.toJulianDayNumber(((GJChronology) chrono).getGregorianCutover().getMillis());
    return new RubyFixnum(context.runtime, cutover);
}

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From source file:org.segrada.service.repository.orientdb.OrientDbPeriodRepository.java

License:Apache License

@Override
public List<IPeriod> findWithin(DateTime start, DateTime end) {
    // convert and call base method
    Long jdStart = null, jdEnd = null;

    if (start != null)
        jdStart = DateTimeUtils.toJulianDayNumber(start.getMillis());
    if (end != null)
        jdEnd = DateTimeUtils.toJulianDayNumber(end.getMillis());

    return findWithin(jdStart, jdEnd);
}

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From source file:org.segrada.util.FlexibleDateParser.java

License:Apache License

/**
 * Parse input to Julian Day number/*from  w  w  w .j a  v  a  2 s .  co m*/
 * @param input string
 * @param type calendar type, e.g. "G" or "J"
 * @param high true to get last instance of parsed time, first otherwise
 * @return julian day number
 */
public Long inputToJd(@Nullable String input, String type, boolean high) {
    // sanity check
    if (input == null || "".equals(input))
        return high ? Long.MAX_VALUE : Long.MIN_VALUE;

    try {
        DateTime date = inputFormatter.withChronology(getChronologyFromType(type))
                .withLocale(Locale.getDefault()).withZoneUTC().parseDateTime(input);

        // get last time instance of the input
        if (high) {
            // guess input pattern by counting character occurences
            int count = Math.max(StringUtils.countMatches(input, "."),
                    Math.max(StringUtils.countMatches(input, "/"), StringUtils.countMatches(input, "-")));

            if (count == 0) // year only
                date = date.withMonthOfYear(12).withDayOfMonth(31);
            else if (count == 1) { // year/month
                date = date.withDayOfMonth(date.dayOfMonth().getMaximumValue());
            } // day/month/year as is
        }

        return DateTimeUtils.toJulianDayNumber(date.getMillis());
    } catch (Exception e) {
        logger.warn("Could not parse to DateTime: " + input + " (type = " + type + ")", e);
    }
    return null;
}

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