@SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.chronology()) { return (R) Chronology.this; } return super.query(query); } });
/** * Queries this day-of-month using the specified query. * <p> * This queries this day-of-month using the specified query strategy object. * The {@code TemporalQuery} object defines the logic to be used to * obtain the result. Read the documentation of the query to understand * what the result of this method will be. * <p> * The result of this method is obtained by invoking the * {@link TemporalQuery#queryFrom(TemporalAccessor)} method on the * specified query passing {@code this} as the argument. * * @param <R> the type of the result * @param query the query to invoke, not null * @return the query result, null may be returned (defined by the query) * @throws DateTimeException if unable to query (defined by the query) * @throws ArithmeticException if numeric overflow occurs (defined by the query) */ @SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.chronology()) { return (R) IsoChronology.INSTANCE; } return TemporalAccessor.super.query(query); }
@Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.zoneId() || query == TemporalQueries.chronology() || query == TemporalQueries.precision()) { return null; } return query.queryFrom(this); }
@Override public boolean print(DateTimePrintContext context, StringBuilder buf) { Chronology chrono = context.getValue(TemporalQueries.chronology()); if (chrono == null) { return false; } if (textStyle == null) { buf.append(chrono.getId()); } else { ResourceBundle bundle = ResourceBundle.getBundle( "java.bp.format.ChronologyText", context.getLocale(), DateTimeFormatterBuilder.class.getClassLoader()); try { String text = bundle.getString(chrono.getId()); buf.append(text); } catch (MissingResourceException ex) { buf.append(chrono.getId()); } } return true; }
/** * Obtains an instance of {@code Chronology} from a temporal object. * <p> * A {@code TemporalAccessor} represents some form of date and time information. * This factory converts the arbitrary temporal object to an instance of {@code Chronology}. * If the specified temporal object does not have a chronology, {@link IsoChronology} is returned. * <p> * The conversion will obtain the chronology using {@link TemporalQueries#chronology()}. * <p> * This method matches the signature of the functional interface {@link TemporalQuery} * allowing it to be used in queries via method reference, {@code Chrono::from}. * * @param temporal the temporal to convert, not null * @return the chronology, not null * @throws DateTimeException if unable to convert to an {@code Chronology} */ public static Chronology from(TemporalAccessor temporal) { Jdk8Methods.requireNonNull(temporal, "temporal"); Chronology obj = temporal.query(TemporalQueries.chronology()); return (obj != null ? obj : IsoChronology.INSTANCE); }
@SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.chronology()) { return (R) chrono; } if (query == TemporalQueries.zoneId() || query == TemporalQueries.zone()) { return (R) zone; } return super.query(query); }
@Override public CalendarYear createFrom( TemporalAccessor threeten, AttributeQuery attributes ) { if (threeten.query(TemporalQueries.chronology()) == IsoChronology.INSTANCE) { if (threeten.isSupported(ChronoField.YEAR)) { int year = threeten.get(ChronoField.YEAR); return CalendarYear.of(year); } } return null; }
@SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.chronology()) { return (R) effectiveChrono; } if (query == TemporalQueries.zoneId()) { return (R) effectiveZone; } if (query == TemporalQueries.precision()) { return temporal.query(query); } return query.queryFrom(this); } };
@SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.precision()) { return (R) ChronoUnit.ERAS; } if (query == TemporalQueries.chronology() || query == TemporalQueries.zone() || query == TemporalQueries.zoneId() || query == TemporalQueries.offset() || query == TemporalQueries.localDate() || query == TemporalQueries.localTime()) { return null; } return query.queryFrom(this); }
@SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.precision()) { return (R) ChronoUnit.ERAS; } if (query == TemporalQueries.chronology() || query == TemporalQueries.zone() || query == TemporalQueries.zoneId() || query == TemporalQueries.offset() || query == TemporalQueries.localDate() || query == TemporalQueries.localTime()) { return null; } return query.queryFrom(this); }
@SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.precision()) { return (R) ChronoUnit.ERAS; } if (query == TemporalQueries.chronology() || query == TemporalQueries.zone() || query == TemporalQueries.zoneId() || query == TemporalQueries.offset() || query == TemporalQueries.localDate() || query == TemporalQueries.localTime()) { return null; } return query.queryFrom(this); }
@SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.precision()) { return (R) ChronoUnit.ERAS; } if (query == TemporalQueries.chronology() || query == TemporalQueries.zone() || query == TemporalQueries.zoneId() || query == TemporalQueries.offset() || query == TemporalQueries.localDate() || query == TemporalQueries.localTime()) { return null; } return query.queryFrom(this); }
@SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.precision()) { return (R) ChronoUnit.ERAS; } if (query == TemporalQueries.chronology() || query == TemporalQueries.zone() || query == TemporalQueries.zoneId() || query == TemporalQueries.offset() || query == TemporalQueries.localDate() || query == TemporalQueries.localTime()) { return null; } return query.queryFrom(this); }
@Override public Temporal addTo(Temporal temporal) { Jdk8Methods.requireNonNull(temporal, "temporal"); Chronology temporalChrono = temporal.query(TemporalQueries.chronology()); if (temporalChrono != null && chronology.equals(temporalChrono) == false) { throw new DateTimeException("Invalid chronology, required: " + chronology.getId() + ", but was: " + temporalChrono.getId()); } if (years != 0) { temporal = temporal.plus(years, YEARS); } if (months != 0) { temporal = temporal.plus(months, MONTHS); } if (days != 0) { temporal = temporal.plus(days, DAYS); } return temporal; }
@Override public Temporal subtractFrom(Temporal temporal) { Jdk8Methods.requireNonNull(temporal, "temporal"); Chronology temporalChrono = temporal.query(TemporalQueries.chronology()); if (temporalChrono != null && chronology.equals(temporalChrono) == false) { throw new DateTimeException("Invalid chronology, required: " + chronology.getId() + ", but was: " + temporalChrono.getId()); } if (years != 0) { temporal = temporal.minus(years, YEARS); } if (months != 0) { temporal = temporal.minus(months, MONTHS); } if (days != 0) { temporal = temporal.minus(days, DAYS); } return temporal; }
@SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.chronology()) { return (R) getChronology(); } else if (query == TemporalQueries.precision()) { return (R) ChronoUnit.DAYS; } else if (query == TemporalQueries.localDate()) { return (R) LocalDate.ofEpochDay(toEpochDay()); } else if (query == TemporalQueries.localTime() || query == TemporalQueries.zone() || query == TemporalQueries.zoneId() || query == TemporalQueries.offset()) { return null; } return super.query(query); }
@SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.zoneId()) { return (R) zone; } else if (query == TemporalQueries.chronology()) { return (R) chrono; } else if (query == TemporalQueries.localDate()) { return date != null ? (R) LocalDate.from(date) : null; } else if (query == TemporalQueries.localTime()) { return (R) time; } else if (query == TemporalQueries.zone() || query == TemporalQueries.offset()) { return query.queryFrom(this); } else if (query == TemporalQueries.precision()) { return null; // not a complete date/time } // inline TemporalAccessor.super.query(query) as an optimization // non-JDK classes are not permitted to make this optimization return query.queryFrom(this); }
@SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.chronology()) { return (R) getChronology(); } else if (query == TemporalQueries.precision()) { return (R) NANOS; } else if (query == TemporalQueries.localDate()) { return (R) LocalDate.ofEpochDay(toLocalDate().toEpochDay()); } else if (query == TemporalQueries.localTime()) { return (R) toLocalTime(); } else if (query == TemporalQueries.zone() || query == TemporalQueries.zoneId() || query == TemporalQueries.offset()) { return null; } return super.query(query); }
@SuppressWarnings("unchecked") @Override public <R> R query(TemporalQuery<R> query) { if (query == TemporalQueries.zoneId() || query == TemporalQueries.zone()) { return (R) getZone(); } else if (query == TemporalQueries.chronology()) { return (R) toLocalDate().getChronology(); } else if (query == TemporalQueries.precision()) { return (R) NANOS; } else if (query == TemporalQueries.offset()) { return (R) getOffset(); } else if (query == TemporalQueries.localDate()) { return (R) LocalDate.ofEpochDay(toLocalDate().toEpochDay()); } else if (query == TemporalQueries.localTime()) { return (R) toLocalTime(); } return super.query(query); }
@Override public CalendarMonth createFrom( TemporalAccessor threeten, AttributeQuery attributes ) { if (threeten.query(TemporalQueries.chronology()) == IsoChronology.INSTANCE) { if (threeten.isSupported(ChronoField.YEAR)) { if (threeten.isSupported(ChronoField.MONTH_OF_YEAR)) { Leniency leniency = attributes.get(Attributes.LENIENCY, Leniency.SMART); int year = threeten.get(ChronoField.YEAR); int month = threeten.get(ChronoField.MONTH_OF_YEAR); if (leniency.isLax()) { PlainDate date = PlainDate.of(year, 1, 1); date = date.with(PlainDate.MONTH_AS_NUMBER.setLenient(month)); return CalendarMonth.of(date.getYear(), date.getMonth()); } else { return CalendarMonth.of(year, month); } } } } return null; }