Example usage for org.joda.time.chrono GJChronology getInstanceUTC

Introduction

In this page you can find the example usage for org.joda.time.chrono GJChronology getInstanceUTC.

Prototype

public static GJChronology getInstanceUTC() 

Source Link

Document

Factory method returns instances of the default GJ cutover chronology.

Usage

From source file:com.helger.datetime.config.PDTConfig.java

License:Apache License

/**
 * @return The default chronology ({@link ISOChronology} or
 *         {@link GJChronology}) with UTC date time zone. Never
 *         <code>null</code>.
 * @see #isUseISOChronology()//w w w .j  av  a 2 s .  c  o  m
 */
@Nonnull
public static Chronology getDefaultChronologyUTC() {
    if (isUseISOChronology())
        return ISOChronology.getInstanceUTC();
    return GJChronology.getInstanceUTC();
}

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From source file:com.phloc.datetime.config.PDTConfig.java

License:Apache License

/**
 * @return The default chronology with UTC date time zone
 *//*w ww.j a  v  a2 s.c o m*/
@Nonnull
public static Chronology getDefaultChronologyUTC() {
    if (s_bUseISOChronology)
        return ISOChronology.getInstanceUTC();
    return GJChronology.getInstanceUTC();
}

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From source file:jp.furplag.util.time.DateTimeUtils.java

License:Apache License

/**
 * {@link org.joda.time.DateTimeUtils#toJulianDay(long)}.
 * <p>/*from  ww w. ja v  a 2s  .  co m*/
 * Each day starts at midday (not midnight) and time is expressed as a fraction.
 * </p>
 *
 * @param instant the date-time object, null means current date-time.
 * @param strictly if true, returns null when the instant is invalid.
 * @return the astronomical julian day represented by the specified instant.
 */
public static Double toAJD(final Object instant, final boolean strictly) {
    DateTime then = getDateTime(instant, GJChronology.getInstanceUTC(), strictly);
    if (then == null)
        return null;

    return (then.getMillis() / MILLIS_OF_DAY) + MILLIS_PERIOD;
}

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From source file:jp.furplag.util.time.DateTimeUtils.java

License:Apache License

/**
 * {@link org.joda.time.DateTime#DateTime(Object, DateTimeZone)}.
 *
 * @param instant the date-time object, null means current date-time.
 * @param zone the time zone, null means UTC (NOT default) .
 * @param strictly if true, returns null when the instant is invalid.
 * @return {@link org.joda.time.DateTime#DateTime(Object, DateTimeZone)}.
 *///from  w  ww .  jav  a 2s  .  c  o  m
private static DateTime getDateTime(final Object instant, final DateTimeZone zone, final boolean strictly) {
    if (strictly && instant == null)
        return null;
    if (instant == null)
        return DateTime.now(zone == null ? DateTimeZone.UTC : zone);
    Long millis = getMillis(instant, strictly);
    if (millis == null)
        return null;
    try {
        if (millis > GREGORIAN_CUTOVER)
            return new DateTime((long) millis, zone == null ? DateTimeZone.UTC : zone);

        return new DateTime((long) millis,
                zone == null ? GJChronology.getInstanceUTC() : GJChronology.getInstance(zone));
    } catch (Exception e) {
    }
    if (strictly)
        return null;

    return DateTime.now(zone == null ? DateTimeZone.UTC : zone);
}

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From source file:jp.furplag.util.time.DateTimeUtils.java

License:Apache License

/**
 * {@link org.joda.time.DateTime#getMillis()}.
 *
 * @param instant the date-time object, null means current date-time.
 * @param strictly if true, returns null when the instant is invalid.
 * @return {@link org.joda.time.DateTime#getMillis()}.
 *//*  w w w .  j  ava  2 s.  c o m*/
private static Long getMillis(final Object instant, final boolean strictly) {
    if (instant instanceof DateTime)
        return ((DateTime) instant).getMillis();
    if (instant != null && ObjectUtils.isAny(ClassUtils.primitiveToWrapper(instant.getClass()),
            BigDecimal.class, Double.class, Float.class)) {
        if (isInfiniteOrNaN(valueOf(instant, double.class)))
            return null;
        return fromJD(valueOf(instant, double.class));
    }
    if (instant != null && ObjectUtils.isAny(ClassUtils.primitiveToWrapper(instant.getClass()),
            BigInteger.class, Byte.class, Short.class, Integer.class, Long.class)) {
        return valueOf(instant, long.class);
    }
    try {
        return new DateTime(instant, GJChronology.getInstanceUTC()).getMillis();
    } catch (Exception e) {
    }
    if (strictly)
        return null;

    return DateTime.now().getMillis();
}

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