/*
* Copyright (c) 2007-present, Stephen Colebourne & Michael Nascimento Santos
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of JSR-310 nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.threeten.bp.jdk8;
import static org.threeten.bp.temporal.ChronoField.ERA;
import java.util.Locale;
import org.threeten.bp.chrono.Era;
import org.threeten.bp.format.DateTimeFormatterBuilder;
import org.threeten.bp.format.TextStyle;
import org.threeten.bp.temporal.ChronoField;
import org.threeten.bp.temporal.ChronoUnit;
import org.threeten.bp.temporal.Temporal;
import org.threeten.bp.temporal.TemporalField;
import org.threeten.bp.temporal.TemporalQueries;
import org.threeten.bp.temporal.TemporalQuery;
import org.threeten.bp.temporal.UnsupportedTemporalTypeException;
/**
* A temporary class providing implementations that will become default interface
* methods once integrated into JDK 8.
*
* @param the chronology of this era
*/
public abstract class DefaultInterfaceEra
extends DefaultInterfaceTemporalAccessor
implements Era {
//-----------------------------------------------------------------------
@Override
public boolean isSupported(TemporalField field) {
if (field instanceof ChronoField) {
return field == ERA;
}
return field != null && field.isSupportedBy(this);
}
@Override
public int get(TemporalField field) {
if (field == ERA) {
return getValue();
}
return range(field).checkValidIntValue(getLong(field), field);
}
@Override
public long getLong(TemporalField field) {
if (field == ERA) {
return getValue();
} else if (field instanceof ChronoField) {
throw new UnsupportedTemporalTypeException("Unsupported field: " + field);
}
return field.getFrom(this);
}
//-------------------------------------------------------------------------
@Override
public Temporal adjustInto(Temporal temporal) {
return temporal.with(ERA, getValue());
}
@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 String getDisplayName(TextStyle style, Locale locale) {
return new DateTimeFormatterBuilder().appendText(ERA, style).toFormatter(locale).format(this);
}
}