001/* 002 * SonarQube, open source software quality management tool. 003 * Copyright (C) 2008-2013 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * SonarQube is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * SonarQube is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public License 017 * along with this program; if not, write to the Free Software Foundation, 018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 019 */ 020package org.sonar.api.utils; 021 022import org.apache.commons.lang.ArrayUtils; 023import org.apache.commons.lang.StringUtils; 024import org.apache.commons.lang.builder.ToStringBuilder; 025import org.apache.commons.lang.builder.ToStringStyle; 026 027import javax.annotation.Nullable; 028 029public final class WorkUnit { 030 031 public static final String DAYS = "d"; 032 public static final String MINUTES = "mn"; 033 public static final String HOURS = "h"; 034 public static final String DEFAULT_UNIT = DAYS; 035 private static final String[] UNITS = {DAYS, MINUTES, HOURS}; 036 037 public static final double DEFAULT_VALUE = 0.0; 038 039 private double value = 0d; 040 private String unit = DEFAULT_UNIT; 041 042 WorkUnit(double value, String unit) { 043 this.value = value; 044 this.unit = unit; 045 } 046 047 public double getValue() { 048 return value; 049 } 050 051 public String getUnit() { 052 return unit; 053 } 054 055 public static WorkUnit create(@Nullable Double value, @Nullable String unit) { 056 String defaultIfEmptyUnit = StringUtils.defaultIfEmpty(unit, DEFAULT_UNIT); 057 if (!ArrayUtils.contains(UNITS, defaultIfEmptyUnit)) { 058 throw new IllegalArgumentException("Unit can not be: " + defaultIfEmptyUnit + ". Possible values are " + ArrayUtils.toString(UNITS)); 059 } 060 double d = value != null ? value : DEFAULT_VALUE; 061 if (d < 0.0) { 062 throw new IllegalArgumentException("Value can not be negative: " + d); 063 } 064 return new WorkUnit(d, defaultIfEmptyUnit); 065 } 066 067 public static WorkUnit create() { 068 return create(0d, DEFAULT_UNIT); 069 } 070 071 @Override 072 public boolean equals(Object o) { 073 if (this == o) { 074 return true; 075 } 076 if (o == null || getClass() != o.getClass()) { 077 return false; 078 } 079 080 WorkUnit workUnit = (WorkUnit) o; 081 082 if (Double.compare(workUnit.value, value) != 0) { 083 return false; 084 } 085 if (!unit.equals(workUnit.unit)) { 086 return false; 087 } 088 089 return true; 090 } 091 092 @Override 093 public int hashCode() { 094 int result; 095 long temp; 096 temp = Double.doubleToLongBits(value); 097 result = (int) (temp ^ (temp >>> 32)); 098 result = 31 * result + unit.hashCode(); 099 return result; 100 } 101 102 @Override 103 public String toString() { 104 return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE); 105 } 106}