Чистый код. Создание, анализ и рефакторинг

124     int lastDay = DateUtil.lastDayOfMonth(month, year);

125     return DayDateFactory.makeDate(lastDay, month, year);

126   }

127

128   public Date toDate() {

129     final Calendar calendar = Calendar.getInstance();

130     int ordinalMonth = getMonth().toInt() - Month.JANUARY.toInt();

131     calendar.set(getYear(), ordinalMonth, getDayOfMonth(), 0, 0, 0);

132     return calendar.getTime();

133   }

134

135   public String toString() {

136     return String.format(«%02d-%s-%d», getDayOfMonth(), getMonth(), getYear());

137   }

138

139   public Day getDayOfWeek() {

140     Day startingDay = getDayOfWeekForOrdinalZero();

141     int startingOffset = startingDay.toInt() - Day.SUNDAY.toInt();

142     int ordinalOfDayOfWeek = (getOrdinalDay() + startingOffset) % 7;

143     return Day.fromInt(ordinalOfDayOfWeek + Day.SUNDAY.toInt());

144   }

145

146   public int daysSince(DayDate date) {

147     return getOrdinalDay() - date.getOrdinalDay();

148   }

149

150   public boolean isOn(DayDate other) {

151     return getOrdinalDay() == other.getOrdinalDay();

152   }

153

154   public boolean isBefore(DayDate other) {

155     return getOrdinalDay() < other.getOrdinalDay();

156   }

157

158   public boolean isOnOrBefore(DayDate other) {

159     return getOrdinalDay() <= other.getOrdinalDay();

160   }

161

162   public boolean isAfter(DayDate other) {

163     return getOrdinalDay() > other.getOrdinalDay();

164   }

165

166   public boolean isOnOrAfter(DayDate other) {

167     return getOrdinalDay() >= other.getOrdinalDay();

168   }

169

170   public boolean isInRange(DayDate d1, DayDate d2) {

171     return isInRange(d1, d2, DateInterval.CLOSED);

172   }

173

174   public boolean isInRange(DayDate d1, DayDate d2, DateInterval interval) {

175     int left = Math.min(d1.getOrdinalDay(), d2.getOrdinalDay());

176     int right = Math.max(d1.getOrdinalDay(), d2.getOrdinalDay());

177     return interval.isIn(getOrdinalDay(), left, right);

178   }

179 }

Листинг Б.8. Month.java (окончательная версия)

   1 package org.jfree.date;

   2

   3 import java.text.DateFormatSymbols;

   4

   5 public enum Month {

   6   JANUARY(1), FEBRUARY(2), MARCH(3),

   7   APRIL(4),   MAY(5),      JUNE(6),

   8   JULY(7),    AUGUST(8),   SEPTEMBER(9),

   9   OCTOBER(10),NOVEMBER(11),DECEMBER(12);

  10   private static DateFormatSymbols dateFormatSymbols = new DateFormatSymbols();

  11   private static final int[] LAST_DAY_OF_MONTH =

  12     {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};

  13

  14   private int index;

  15

  16   Month(int index) {

  17     this.index = index;

  18   }

  19