/**
* Fügt die Wiederholungen des übergebenen Appointment-Objekts dem übergebenen
* Event-Objekt hinzu.
*
* @param appointment Ein Rapla Appointment.
*/
private void addRepeatings(Appointment appointment, PropertyList properties) {
Repeating repeating = appointment.getRepeating();
if (repeating == null) {
return;
}
// This returns the strings DAYLY, WEEKLY, MONTHLY, YEARLY
String type = repeating.getType().toString().toUpperCase();
Recur recur;
// here is evaluated, if a COUNT is set in Rapla, or an enddate is
// specified
if (repeating.getNumber() == -1) {
recur = new Recur(type, -1);
} else if (repeating.isFixedNumber()) {
recur = new Recur(type, repeating.getNumber());
} else {
net.fortuna.ical4j.model.Date endDate = new net.fortuna.ical4j.model.Date(repeating.getEnd());
// TODO do we need to translate the enddate in utc?
recur = new Recur(type, endDate);
}
if (repeating.isDaily()) {
// DAYLY -> settings : intervall
recur.setInterval(repeating.getInterval());
} else if (repeating.isWeekly()) {
// WEEKLY -> settings : every nTh Weekday
recur.setInterval(repeating.getInterval());
calendar.setTime(appointment.getStart());
recur.getDayList().add(WeekDay.getWeekDay(calendar));
} else if (repeating.isMonthly()) {
// MONTHLY -> settings : every nTh Weekday
recur.setInterval(repeating.getInterval());
calendar.setTime(appointment.getStart());
int weekofmonth =
Math.round(calendar.get(java.util.Calendar.DAY_OF_MONTH) / DateTools.DAYS_PER_WEEK) + 1;
recur.getDayList().add(new WeekDay(WeekDay.getWeekDay(calendar), weekofmonth));
} else if (repeating.isYearly()) {
// YEARLY -> settings : every nTh day mTh Monthname
calendar.setTime(appointment.getStart());
calendar.get(java.util.Calendar.DAY_OF_YEAR);
} else {
getLogger().warn("Invalid data in recurrency rule!");
}
properties.add(new RRule(recur));
// bugfix - if rapla has no exceptions, an empty EXDATE: element is
// produced. This may bother some iCal tools
if (repeating.getExceptions().length == 0) {
return;
}
// Add exception dates
// DateList dl = new DateList(Value.DATE);
ExDate exDate = new ExDate();
TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
net.fortuna.ical4j.model.TimeZone tz = registry.getTimeZone(timeZone.getID());
// rku: use seperate EXDATE for each exception
for (Iterator<Date> itExceptions = Arrays.asList(repeating.getExceptions()).iterator();
itExceptions.hasNext(); ) {
// DateList dl = new DateList(Value.DATE);
Date date = itExceptions.next();
// dl.add(new net.fortuna.ical4j.model.Date( date));
java.util.Calendar cal = raplaLocale.createCalendar();
cal.setTime(date);
int year = cal.get(java.util.Calendar.YEAR);
int day_of_year = cal.get(java.util.Calendar.DAY_OF_YEAR);
cal.setTime(appointment.getStart());
cal.set(java.util.Calendar.YEAR, year);
cal.set(java.util.Calendar.DAY_OF_YEAR, day_of_year);
int offset =
(int) (tz.getOffset(DateTools.cutDate(date).getTime()) / DateTools.MILLISECONDS_PER_HOUR);
cal.add(java.util.Calendar.HOUR, -offset);
Date dateToSave = cal.getTime();
net.fortuna.ical4j.model.DateTime dateTime = new net.fortuna.ical4j.model.DateTime();
dateTime.setTime(dateToSave.getTime());
exDate.getDates().add(dateTime);
}
exDate.setTimeZone(tz);
properties.add(exDate);
// properties.add(new ExDate(dl));
}
/** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String[] courseids = request.getParameterValues("courses");
// Saving the course ids as a session attribute (not necessary, might be better for saving)
HttpSession session = request.getSession(true);
session.setAttribute("courses", courseids);
// Get course and time info for each id
if (courseids == null) {
} else {
try {
for (String id : courseids) {
Integer courseid = Integer.parseInt(id);
PreparedStatement getCourse =
con.prepareStatement(
"SELECT title, department, number, section " + "FROM courses WHERE id=?;");
getCourse.setInt(1, courseid);
PreparedStatement getTime =
con.prepareStatement(
"SELECT day, starttime, endtime FROM times " + "WHERE course_id=?;");
getTime.setInt(1, courseid);
ResultSet courseResult = getCourse.executeQuery();
ResultSet timesResult = getTime.executeQuery();
while (courseResult.next()) {
// Generating the course from the DB, lets us utilize timeblocks
Course course = new Course();
course.setTitle(courseResult.getString("title"));
course.setDepartment(courseResult.getString("department"));
course.setNumber(courseResult.getString("number"));
course.setSection(courseResult.getString("section"));
String courseTitle =
course.getDepartment()
+ course.getNumber()
+ "-"
+ course.getSection()
+ ": "
+ course.getTitle();
while (timesResult.next()) {
course.addTime(
timesResult.getString("day").charAt(0),
timesResult.getInt("starttime"),
timesResult.getInt("endtime"));
}
// Now parse the timeshttp://ical4j.sourceforge.net/introduction.html for the timeblocks
Map<String, Set<Character>> timeblocks = course.getTimeBlocks();
for (String startend : timeblocks.keySet()) {
String[] StartEnd = startend.split("-");
Integer startInt = Integer.parseInt(StartEnd[0]);
Integer endInt = Integer.parseInt(StartEnd[1]);
java.util.Calendar startDate = this.getTimeCalendar(startInt);
java.util.Calendar endDate = this.getTimeCalendar(endInt);
DateTime startTime = new DateTime(startDate.getTime());
DateTime endTime = new DateTime(endDate.getTime());
VEvent courseEvent = new VEvent(startTime, endTime, courseTitle);
Recur recur = new Recur(Recur.WEEKLY, null);
// add the proper days to the recurrence
for (char day : timeblocks.get(startend)) {
recur.getDayList().add(dayMap.get(day));
}
courseEvent.getProperties().add(new RRule(recur));
// Get unique identifier
UidGenerator ug = new UidGenerator("uidGen");
Uid uid = ug.generateUid();
courseEvent.getProperties().add(uid);
// Finally, add the time block to the calendar
this.ical.getComponents().add(courseEvent);
}
}
}
} catch (SQLException e) {
e.printStackTrace();
}
}
// Time to handle file download
try {
// making the file and outputting the calendar info
File file = new File("mycalendar.ics");
int length = 0;
FileOutputStream fout = new FileOutputStream(file);
CalendarOutputter outputter = new CalendarOutputter();
outputter.output(ical, fout);
ServletOutputStream outStream = response.getOutputStream();
response.setContentType("text/calendar");
response.setContentLength((int) file.length());
// sets HTTP header
response.setHeader("Content-Disposition", "attachment; filename=calendar.ics");
byte[] byteBuffer = new byte[BUFSIZE];
DataInputStream in = new DataInputStream(new FileInputStream(file));
// reads the file's bytes and writes them to the response stream
while ((in != null) && ((length = in.read(byteBuffer)) != -1)) {
outStream.write(byteBuffer, 0, length);
}
in.close();
outStream.close();
} catch (ValidationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
