Package org.threeten.bp.jdk8

Source Code of org.threeten.bp.jdk8.DefaultInterfaceEra

/*
* 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);
    }

}
TOP

Related Classes of org.threeten.bp.jdk8.DefaultInterfaceEra

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.