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.TemporalSubtractor;
  72 import java.time.temporal.TemporalAdder;
  73 import java.time.temporal.TemporalUnit;

  74 
  75 /**
  76  * Mock period of time measured using a single unit, such as {@code 3 Days}.
  77  */
  78 public final class MockSimplePeriod
  79         implements TemporalAdder, TemporalSubtractor, Comparable<MockSimplePeriod> {
  80 
  81     /**
  82      * A constant for a period of zero, measured in days.
  83      */
  84     public static final MockSimplePeriod ZERO_DAYS = new MockSimplePeriod(0, DAYS);
  85     /**
  86      * A constant for a period of zero, measured in seconds.
  87      */
  88     public static final MockSimplePeriod ZERO_SECONDS = new MockSimplePeriod(0, SECONDS);
  89 
  90     /**
  91      * The amount of the period.
  92      */
  93     private final long amount;
  94     /**
  95      * The unit the period is measured in.
  96      */
  97     private final TemporalUnit unit;
  98 
  99     /**
 100      * Obtains a {@code MockSimplePeriod} from an amount and unit.
 101      * <p>
 102      * The parameters represent the two parts of a phrase like '6 Days'.
 103      *
 104      * @param amount  the amount of the period, measured in terms of the unit, positive or negative
 105      * @param unit  the unit that the period is measured in, must not be the 'Forever' unit, not null
 106      * @return the {@code MockSimplePeriod} instance, not null
 107      * @throws DateTimeException if the period unit is {@link java.time.temporal.ChronoUnit#FOREVER}.
 108      */
 109     public static MockSimplePeriod of(long amount, TemporalUnit unit) {
 110         return new MockSimplePeriod(amount, unit);
 111     }
 112 
 113     private MockSimplePeriod(long amount, TemporalUnit unit) {
 114         Objects.requireNonNull(unit, "unit");
 115         if (unit == FOREVER) {
 116             throw new DateTimeException("Cannot create a period of the Forever unit");
 117         }
 118         this.amount = amount;
 119         this.unit = unit;
 120     }
 121 










 122     //-----------------------------------------------------------------------
 123     public long getAmount() {
 124         return amount;
 125     }
 126 
 127     public TemporalUnit getUnit() {
 128         return unit;
 129     }
 130 
 131     //-------------------------------------------------------------------------
 132     @Override
 133     public Temporal addTo(Temporal temporal) {
 134         return temporal.plus(amount, unit);
 135     }
 136 
 137     @Override
 138     public Temporal subtractFrom(Temporal temporal) {
 139         return temporal.minus(amount, unit);
 140     }
 141 
 142     //-----------------------------------------------------------------------
 143     @Override
 144     public int compareTo(MockSimplePeriod otherPeriod) {
 145         if (unit.equals(otherPeriod.getUnit()) == false) {
 146             throw new IllegalArgumentException("Units cannot be compared: " + unit + " and " + otherPeriod.getUnit());
 147         }
 148         return Long.compare(amount, otherPeriod.amount);
 149     }
 150 
 151     @Override
 152     public boolean equals(Object obj) {
 153         if (this == obj) {
 154            return true;
 155         }
 156         if (obj instanceof MockSimplePeriod) {
 157             MockSimplePeriod other = (MockSimplePeriod) obj;
 158             return this.amount == other.amount &&
 159                     this.unit.equals(other.unit);
 160         }
 161         return false;
 162     }
 163 
 164     @Override
 165     public int hashCode() {
 166         return unit.hashCode() ^ (int) (amount ^ (amount >>> 32));
 167     }
 168 
 169     @Override
 170     public String toString() {
 171         return amount + " " + unit.getName();
 172     }
 173 
 174 }
--- EOF ---