ReminderServicepublic class ReminderService extends Object | Read a file of reminders, sleep until each is due, beep. |
| Methods Summary |
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| protected void | load()
BufferedReader is = new BufferedReader(
new FileReader("ReminderService.txt"));
SimpleDateFormat formatter =
new SimpleDateFormat ("yyyy MM dd hh mm");
String aLine;
while ((aLine = is.readLine()) != null) {
ParsePosition pp = new ParsePosition(0);
Date date = formatter.parse(aLine, pp);
if (date == null) {
message("Invalid date in " + aLine);
continue;
}
String mesg = aLine.substring(pp.getIndex());
l.add(new Item(date, mesg));
}
| | public static void | main(java.lang.String[] argv)
ReminderService rs = new ReminderService();
rs.load();
rs.run();
| | void | message(java.lang.String message)
System.out.println("\007" + message);
JOptionPane.showMessageDialog(null,
message,
"Timer Alert", // titlebar
JOptionPane.INFORMATION_MESSAGE); // icon
| | public void | run()
System.out.println("ReminderService: Starting at " + new Date());
while (!l.isEmpty()) {
Date d = new Date();
Item i = (Item)l.get(0);
long interval = i.due.getTime() - d.getTime();
if (interval > 0) {
System.out.println("Sleeping until " + i.due);
try {
Thread.sleep(interval);
} catch (InterruptedException e) {
System.exit(1); // unexpected intr
}
message(i.due + ": " + i.message);
} else
message("MISSED " + i.message + " at " + i.due);
l.remove(0);
}
System.exit(0);
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