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1 package org.oddjob.schedules.schedules;
2
3 import java.io.Serializable  ;
4 import java.text.ParseException ;
5 import java.text.SimpleDateFormat ;
6 import java.util.Calendar ;
7 import java.util.Date ;
8 import java.util.TimeZone ;
9
10 import org.oddjob.schedules.CalendarUtils;
11 import org.oddjob.schedules.ConstrainedSchedule;
12 import org.oddjob.schedules.DateUtils;
13 import org.oddjob.schedules.ScheduleContext;
14
15
28
29
30 final public class DayOfYearSchedule extends ConstrainedSchedule implements Serializable {
31
32 private static final long serialVersionUID = 20050226;
33
34 public static final String DAY_FORMAT = "dd-MMM";
35
36
37 private String from;
38
39
40 private String to;
41
42
43
47 public void setFrom(String from) {
48 this.from = from;
49 }
50
51
55 public String getFrom() {
56 return from;
57 }
58
59
63 public void setTo(String to) {
64 this.to = to;
65 }
66
67
71 public String getTo() {
72 return to;
73 }
74
75
82 static int parseDay(String text, TimeZone timeZone) throws ParseException {
83 SimpleDateFormat f = new SimpleDateFormat (DAY_FORMAT);
84 f.setTimeZone(timeZone);
85 Date d = f.parse(text);
86 return DateUtils.dayOfYear(d, timeZone);
87 }
88
89 Calendar fromCalendar(Date referenceDate, TimeZone timeZone) {
90 if (from == null) {
91 return CalendarUtils.startOfYear(referenceDate, timeZone);
92 }
93 else {
94 try {
95 return CalendarUtils.dayOfYear(referenceDate,
96 parseDay(from, timeZone),
97 timeZone);
98 }
99 catch (ParseException e) {
100 throw new RuntimeException ("Failed to parse from day.", e);
101 }
102 }
103 }
104
105 Calendar toCalendar(Date referenceDate, TimeZone timeZone) {
106 if (to == null) {
107 return CalendarUtils.endOfYear(referenceDate, timeZone);
108 }
109 else {
110 try {
111 Calendar cal = CalendarUtils.dayOfYear(referenceDate,
112 parseDay(to, timeZone),
113 timeZone);
114 CalendarUtils.setEndOfDay(cal);
115 return cal;
116 }
117 catch (ParseException e) {
118 throw new RuntimeException ("Failed to parse to day.", e);
119 }
120 }
121 }
122
123
127 public Date getStartDate(ScheduleContext context) {
128 Calendar fromCal = fromCalendar(context.getDate(), context.getTimeZone());
129 Calendar toCal = toCalendar(context.getDate(), context.getTimeZone());
130
131 int nowDay = DateUtils.dayOfYear(context.getDate(), context.getTimeZone());
132
133 int iFromDay = fromCal.get(Calendar.DAY_OF_YEAR);
134 int iToDay = toCal.get(Calendar.DAY_OF_YEAR);
135
136 if (iFromDay > iToDay) {
137 if (nowDay > iToDay) {
138 return fromCal.getTime();
139 }
140 else {
141 fromCal.set(Calendar.YEAR, fromCal.get(Calendar.YEAR) - 1);
142 return fromCal.getTime();
143 }
144 }
145 else {
146 if (nowDay > iToDay) {
147 fromCal.set(Calendar.YEAR, fromCal.get(Calendar.YEAR) + 1);
148 return fromCal.getTime();
149 }
150 else {
151 return fromCal.getTime();
152 }
153 }
154 }
155
156
160 public Date getEndDate(ScheduleContext context) {
161 Calendar toCal = toCalendar(context.getDate(), context.getTimeZone());
162
163 int nowDay = DateUtils.dayOfYear(context.getDate(), context.getTimeZone());
164
165 int iToDay = toCal.get(Calendar.DAY_OF_YEAR);
166
167 if (nowDay > iToDay) {
168 toCal.set(Calendar.YEAR, toCal.get(Calendar.YEAR) + 1);
169 return toCal.getTime();
170 }
171 else {
172 return toCal.getTime();
173 }
174 }
175 }
176 |
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