1 /* 2 * Copyright (c) 2007-present, Stephen Colebourne & Michael Nascimento Santos 3 * 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * * Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * * Neither the name of JSR-310 nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 package org.threeten.bp.jdk8; 33 34 import org.threeten.bp.temporal.Temporal; 35 import org.threeten.bp.temporal.TemporalAdjuster; 36 import org.threeten.bp.temporal.TemporalAmount; 37 import org.threeten.bp.temporal.TemporalUnit; 38 39 /** 40 * A temporary class providing implementations that will become default interface 41 * methods once integrated into JDK 8. 42 */ 43 public abstract class DefaultInterfaceTemporal 44 extends DefaultInterfaceTemporalAccessor 45 implements Temporal { 46 47 @Override with(TemporalAdjuster adjuster)48 public Temporal with(TemporalAdjuster adjuster) { 49 return adjuster.adjustInto(this); 50 } 51 52 @Override plus(TemporalAmount amount)53 public Temporal plus(TemporalAmount amount) { 54 return amount.addTo(this); 55 } 56 57 @Override minus(TemporalAmount amount)58 public Temporal minus(TemporalAmount amount) { 59 return amount.subtractFrom(this); 60 } 61 62 @Override minus(long amountToSubtract, TemporalUnit unit)63 public Temporal minus(long amountToSubtract, TemporalUnit unit) { 64 return (amountToSubtract == Long.MIN_VALUE ? plus(Long.MAX_VALUE, unit).plus(1, unit) : plus(-amountToSubtract, unit)); 65 } 66 67 } 68