1 /* 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * This file is available under and governed by the GNU General Public 26 * License version 2 only, as published by the Free Software Foundation. 27 * However, the following notice accompanied the original version of this 28 * file: 29 * 30 * Copyright (c) 2012, Stephen Colebourne & Michael Nascimento Santos 31 * 32 * All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions are met: 36 * 37 * * Redistributions of source code must retain the above copyright notice, 38 * this list of conditions and the following disclaimer. 39 * 40 * * Redistributions in binary form must reproduce the above copyright notice, 41 * this list of conditions and the following disclaimer in the documentation 42 * and/or other materials provided with the distribution. 43 * 44 * * Neither the name of JSR-310 nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 49 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 50 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 51 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 52 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 53 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 54 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 55 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 56 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 57 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 58 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 59 */ 60 package tck.java.time; 61 62 import static java.time.temporal.ChronoUnit.DAYS; 63 import static java.time.temporal.ChronoUnit.FOREVER; 64 import static java.time.temporal.ChronoUnit.SECONDS; 65 66 import java.time.DateTimeException; 67 import java.time.temporal.Temporal; 68 import java.time.temporal.TemporalAmount; 69 import java.time.temporal.TemporalUnit; 70 import java.util.List; 71 import java.util.Objects; 72 73 /** 74 * Mock period of time measured using a single unit, such as {@code 3 Days}. 75 */ 76 public final class MockSimplePeriod 77 implements TemporalAmount, Comparable<MockSimplePeriod> { 78 79 /** 80 * A constant for a period of zero, measured in days. 81 */ 82 public static final MockSimplePeriod ZERO_DAYS = new MockSimplePeriod(0, DAYS); 83 /** 84 * A constant for a period of zero, measured in seconds. 85 */ 86 public static final MockSimplePeriod ZERO_SECONDS = new MockSimplePeriod(0, SECONDS); 87 88 /** 89 * The amount of the period. 90 */ 91 private final long amount; 92 /** 93 * The unit the period is measured in. 94 */ 95 private final TemporalUnit unit; 96 97 /** 98 * Obtains a {@code MockSimplePeriod} from an amount and unit. 99 * <p> 100 * The parameters represent the two parts of a phrase like '6 Days'. 101 * 102 * @param amount the amount of the period, measured in terms of the unit, positive or negative 103 * @param unit the unit that the period is measured in, must not be the 'Forever' unit, not null 104 * @return the {@code MockSimplePeriod} instance, not null 105 * @throws java.time.DateTimeException if the period unit is {@link java.time.temporal.ChronoUnit#FOREVER}. 106 */ of(long amount, TemporalUnit unit)107 public static MockSimplePeriod of(long amount, TemporalUnit unit) { 108 return new MockSimplePeriod(amount, unit); 109 } 110 MockSimplePeriod(long amount, TemporalUnit unit)111 private MockSimplePeriod(long amount, TemporalUnit unit) { 112 Objects.requireNonNull(unit, "unit"); 113 if (unit == FOREVER) { 114 throw new DateTimeException("Cannot create a period of the Forever unit"); 115 } 116 this.amount = amount; 117 this.unit = unit; 118 } 119 120 @Override get(TemporalUnit unit)121 public long get(TemporalUnit unit) { 122 throw new UnsupportedOperationException("Not supported yet."); 123 } 124 125 @Override getUnits()126 public List<TemporalUnit> getUnits() { 127 throw new UnsupportedOperationException("Not supported yet."); 128 } 129 130 //----------------------------------------------------------------------- getAmount()131 public long getAmount() { 132 return amount; 133 } 134 getUnit()135 public TemporalUnit getUnit() { 136 return unit; 137 } 138 139 //------------------------------------------------------------------------- 140 @Override addTo(Temporal temporal)141 public Temporal addTo(Temporal temporal) { 142 return temporal.plus(amount, unit); 143 } 144 145 @Override subtractFrom(Temporal temporal)146 public Temporal subtractFrom(Temporal temporal) { 147 return temporal.minus(amount, unit); 148 } 149 150 //----------------------------------------------------------------------- 151 @Override compareTo(MockSimplePeriod otherPeriod)152 public int compareTo(MockSimplePeriod otherPeriod) { 153 if (unit.equals(otherPeriod.getUnit()) == false) { 154 throw new IllegalArgumentException("Units cannot be compared: " + unit + " and " + otherPeriod.getUnit()); 155 } 156 return Long.compare(amount, otherPeriod.amount); 157 } 158 159 @Override equals(Object obj)160 public boolean equals(Object obj) { 161 if (this == obj) { 162 return true; 163 } 164 if (obj instanceof MockSimplePeriod) { 165 MockSimplePeriod other = (MockSimplePeriod) obj; 166 return this.amount == other.amount && 167 this.unit.equals(other.unit); 168 } 169 return false; 170 } 171 172 @Override hashCode()173 public int hashCode() { 174 return unit.hashCode() ^ (int) (amount ^ (amount >>> 32)); 175 } 176 177 @Override toString()178 public String toString() { 179 return amount + " " + unit; 180 } 181 182 } 183