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1
11 package org.eclipse.update.internal.scheduler;
12
13 import java.lang.reflect.Constructor  ;
14 import java.util.Calendar ;
15
16 import org.eclipse.core.runtime.Preferences;
17 import org.eclipse.core.runtime.jobs.IJobChangeListener;
18 import org.eclipse.core.runtime.jobs.Job;
19 import org.eclipse.ui.IStartup;
20
21
25 public class SchedulerStartup implements IStartup {
26 public static final String P_ENABLED = "enabled";
29 public static final String P_SCHEDULE = "schedule";
31 public static final String VALUE_ON_STARTUP = "on-startup";
33 public static final String VALUE_ON_SCHEDULE = "on-schedule";
35 public static final String P_DOWNLOAD = "download";
37 public static final String P_DAY = "day";
40 public static final String P_HOUR = "hour";
42 private Job job;
44
45 static final Object automaticJobFamily = new Object ();
46
47 private IJobChangeListener jobListener;
49
50 public static final String [] DAYS = {
51 UpdateSchedulerMessages.SchedulerStartup_day,
52 UpdateSchedulerMessages.SchedulerStartup_Monday,
53 UpdateSchedulerMessages.SchedulerStartup_Tuesday,
54 UpdateSchedulerMessages.SchedulerStartup_Wednesday,
55 UpdateSchedulerMessages.SchedulerStartup_Thursday,
56 UpdateSchedulerMessages.SchedulerStartup_Friday,
57 UpdateSchedulerMessages.SchedulerStartup_Saturday,
58 UpdateSchedulerMessages.SchedulerStartup_Sunday };
59
60 public static final String [] HOURS = {
61 UpdateSchedulerMessages.SchedulerStartup_1AM,
62 UpdateSchedulerMessages.SchedulerStartup_2AM,
63 UpdateSchedulerMessages.SchedulerStartup_3AM,
64 UpdateSchedulerMessages.SchedulerStartup_4AM,
65 UpdateSchedulerMessages.SchedulerStartup_5AM,
66 UpdateSchedulerMessages.SchedulerStartup_6AM,
67 UpdateSchedulerMessages.SchedulerStartup_7AM,
68 UpdateSchedulerMessages.SchedulerStartup_8AM,
69 UpdateSchedulerMessages.SchedulerStartup_9AM,
70 UpdateSchedulerMessages.SchedulerStartup_10AM,
71 UpdateSchedulerMessages.SchedulerStartup_11AM,
72 UpdateSchedulerMessages.SchedulerStartup_12PM,
73 UpdateSchedulerMessages.SchedulerStartup_1PM,
74 UpdateSchedulerMessages.SchedulerStartup_2PM,
75 UpdateSchedulerMessages.SchedulerStartup_3PM,
76 UpdateSchedulerMessages.SchedulerStartup_4PM,
77 UpdateSchedulerMessages.SchedulerStartup_5PM,
78 UpdateSchedulerMessages.SchedulerStartup_6PM,
79 UpdateSchedulerMessages.SchedulerStartup_7PM,
80 UpdateSchedulerMessages.SchedulerStartup_8PM,
81 UpdateSchedulerMessages.SchedulerStartup_9PM,
82 UpdateSchedulerMessages.SchedulerStartup_10PM,
83 UpdateSchedulerMessages.SchedulerStartup_11PM,
84 UpdateSchedulerMessages.SchedulerStartup_12AM, };
85
86
89 public SchedulerStartup() {
90 UpdateSchedulerPlugin.setScheduler(this);
91 }
92
93 public void earlyStartup() {
94 scheduleUpdateJob();
95 }
96
97 public void scheduleUpdateJob() {
98 Preferences pref = UpdateSchedulerPlugin.getDefault()
99 .getPluginPreferences();
100 if (pref.getBoolean(P_ENABLED) == false)
102 return;
103
104 String schedule = pref.getString(P_SCHEDULE);
105 long delay = -1L;
106 if (schedule.equals(VALUE_ON_STARTUP))
107 if (job == null)
109 delay = 0L;
110 else
111 delay = -1L;
112 else
113 delay = computeDelay(pref);
114 if (delay == -1L)
115 return;
116 startSearch(delay);
117 }
118
119 private int getDay(Preferences pref) {
120 String day = pref.getString(P_DAY);
121 for (int d = 0; d < DAYS.length; d++)
122 if (DAYS[d].equals(day))
123 switch (d) {
124 case 0:
125 return -1;
126 case 1:
127 return Calendar.MONDAY;
128 case 2:
129 return Calendar.TUESDAY;
130 case 3:
131 return Calendar.WEDNESDAY;
132 case 4:
133 return Calendar.THURSDAY;
134 case 5:
135 return Calendar.FRIDAY;
136 case 6:
137 return Calendar.SATURDAY;
138 case 7:
139 return Calendar.SUNDAY;
140 }
141 return -1;
142 }
143
144 private int getHour(Preferences pref) {
145 String hour = pref.getString(P_HOUR);
146 for (int h = 0; h < HOURS.length; h++)
147 if (HOURS[h].equals(hour))
148 return h + 1;
149 return 1;
150 }
151
152
157 private long computeDelay(Preferences pref) {
158
159 int target_d = getDay(pref);
160 int target_h = getHour(pref);
161
162 Calendar calendar = Calendar.getInstance();
163 int current_d = calendar.get(Calendar.DAY_OF_WEEK);
165 int current_h = calendar.get(Calendar.HOUR_OF_DAY);
167 int current_m = calendar.get(Calendar.MINUTE);
168 int current_s = calendar.get(Calendar.SECOND);
169 int current_ms = calendar.get(Calendar.MILLISECOND);
170
171 long delay = 0L;
173 if (target_d == -1) {
174 if (target_h == current_h && current_m == 0 && current_s == 0)
177 return delay;
178
179 int delta_h = target_h - current_h;
180 if (target_h <= current_h)
181 delta_h += 24;
182 delay = ((delta_h * 60 - current_m) * 60 - current_s) * 1000
183 - current_ms;
184 return delay;
185 } else {
186 if (target_d == current_d && target_h == current_h
189 && current_m == 0 && current_s == 0)
190 return delay;
191
192 int delta_d = target_d - current_d;
193 if (target_d < current_d
194 || target_d == current_d
195 && (target_h < current_h || target_h == current_h
196 && current_m > 0))
197 delta_d += 7;
198
199 delay = (((delta_d * 24 + target_h - current_h) * 60 - current_m) * 60 - current_s)
200 * 1000 - current_ms;
201
202 return delay;
203 }
204 }
206
207 private void startSearch(long delay) {
208 if (job != null) {
209 if (jobListener != null)
213 Job.getJobManager().removeJobChangeListener(jobListener);
214 Job.getJobManager().cancel(automaticJobFamily);
215 }
216 if (jobListener == null) {
217 jobListener = createJobChangeAdapter();
219 if (jobListener == null)
220 return;
221 }
222 Job.getJobManager().addJobChangeListener(jobListener);
223 String jobName = UpdateSchedulerMessages.AutomaticUpdatesJob_AutomaticUpdateSearch; boolean download = UpdateSchedulerPlugin.getDefault()
225 .getPluginPreferences().getBoolean(
226 UpdateSchedulerPlugin.P_DOWNLOAD);
227 job = createUpdateJob(jobName, download);
228 if (job != null)
229 job.schedule(delay);
230
231 }
232
233
237
238 private Job createUpdateJob(String name, boolean download) {
239 try {
240 Class theClass = Class
241 .forName("org.eclipse.update.internal.scheduler.AutomaticUpdateJob"); Constructor constructor = theClass.getConstructor(new Class [] {
243 String .class, Boolean.TYPE, Boolean.TYPE });
244 return (Job) constructor.newInstance(new Object [] { name,
245 Boolean.TRUE, new Boolean (download) });
246 } catch (Exception e) {
247 UpdateSchedulerPlugin.logException(e, false);
248 return null;
249 }
250 }
251
252
256 private IJobChangeListener createJobChangeAdapter() {
257 try {
258 Class theClass = Class
259 .forName("org.eclipse.update.internal.scheduler.UpdateJobChangeAdapter"); Constructor constructor = theClass
261 .getConstructor(new Class [] { SchedulerStartup.class });
262 return (IJobChangeListener) constructor
263 .newInstance(new Object [] { this });
264 } catch (Exception e) {
265 UpdateSchedulerPlugin.logException(e, false);
266 return null;
267 }
268 }
269
270 Job getJob() {
271 return job;
272 }
273 }
274 |
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