/**
   * 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));
  }
Example #2
0
  /** @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();
    }
  }