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 test.java.time;
  61 
  62 import java.time.*;
  63 
  64 import static java.time.temporal.ChronoUnit.DAYS;
  65 import static java.time.temporal.ChronoUnit.FOREVER;
  66 import static java.time.temporal.ChronoUnit.SECONDS;
  67 
  68 import java.util.Objects;
  69 
  70 import java.time.temporal.Temporal;
  71 import java.time.temporal.TemporalAmount;
  72 import java.time.temporal.TemporalAmount;
  73 import java.time.temporal.TemporalUnit;
  74 import java.util.List;
  75 
  76 /**
  77  * Mock period of time measured using a single unit, such as {@code 3 Days}.
  78  */
  79 public final class MockSimplePeriod
  80         implements TemporalAmount, Comparable<MockSimplePeriod> {
  81 
  82     /**
  83      * A constant for a period of zero, measured in days.
  84      */
  85     public static final MockSimplePeriod ZERO_DAYS = new MockSimplePeriod(0, DAYS);
  86     /**
  87      * A constant for a period of zero, measured in seconds.
  88      */
  89     public static final MockSimplePeriod ZERO_SECONDS = new MockSimplePeriod(0, SECONDS);
  90 
  91     /**
  92      * The amount of the period.
  93      */
  94     private final long amount;
  95     /**
  96      * The unit the period is measured in.
  97      */
  98     private final TemporalUnit unit;
  99 
 100     /**
 101      * Obtains a {@code MockSimplePeriod} from an amount and unit.
 102      * <p>
 103      * The parameters represent the two parts of a phrase like '6 Days'.
 104      *
 105      * @param amount  the amount of the period, measured in terms of the unit, positive or negative
 106      * @param unit  the unit that the period is measured in, must not be the 'Forever' unit, not null
 107      * @return the {@code MockSimplePeriod} instance, not null
 108      * @throws DateTimeException if the period unit is {@link java.time.temporal.ChronoUnit#FOREVER}.
 109      */
 110     public static MockSimplePeriod of(long amount, TemporalUnit unit) {
 111         return new MockSimplePeriod(amount, unit);
 112     }
 113 
 114     private MockSimplePeriod(long amount, TemporalUnit unit) {
 115         Objects.requireNonNull(unit, "unit");
 116         if (unit == FOREVER) {
 117             throw new DateTimeException("Cannot create a period of the Forever unit");
 118         }
 119         this.amount = amount;
 120         this.unit = unit;
 121     }
 122 
 123     @Override
 124     public long get(TemporalUnit unit) {
 125         throw new UnsupportedOperationException("Not supported yet.");
 126     }
 127 
 128     @Override
 129     public List<TemporalUnit> getUnits() {
 130         throw new UnsupportedOperationException("Not supported yet.");
 131     }
 132 
 133     //-----------------------------------------------------------------------
 134     public long getAmount() {
 135         return amount;
 136     }
 137 
 138     public TemporalUnit getUnit() {
 139         return unit;
 140     }
 141 
 142     //-------------------------------------------------------------------------
 143     @Override
 144     public Temporal addTo(Temporal temporal) {
 145         return temporal.plus(amount, unit);
 146     }
 147 
 148     @Override
 149     public Temporal subtractFrom(Temporal temporal) {
 150         return temporal.minus(amount, unit);
 151     }
 152 
 153     //-----------------------------------------------------------------------
 154     @Override
 155     public int compareTo(MockSimplePeriod otherPeriod) {
 156         if (unit.equals(otherPeriod.getUnit()) == false) {
 157             throw new IllegalArgumentException("Units cannot be compared: " + unit + " and " + otherPeriod.getUnit());
 158         }
 159         return Long.compare(amount, otherPeriod.amount);
 160     }
 161 
 162     @Override
 163     public boolean equals(Object obj) {
 164         if (this == obj) {
 165            return true;
 166         }
 167         if (obj instanceof MockSimplePeriod) {
 168             MockSimplePeriod other = (MockSimplePeriod) obj;
 169             return this.amount == other.amount &&
 170                     this.unit.equals(other.unit);
 171         }
 172         return false;
 173     }
 174 
 175     @Override
 176     public int hashCode() {
 177         return unit.hashCode() ^ (int) (amount ^ (amount >>> 32));
 178     }
 179 
 180     @Override
 181     public String toString() {
 182         return amount + " " + unit.getName();
 183     }
 184 
 185 }
--- EOF ---