@Override
public void init() throws ServletException {
// TODO Auto-generated method stub
super.init();
filePath = getServletContext().getRealPath("") + File.separator + "schedule.ics";
try {
ical.getProperties().add(new ProdId("-//Ben Fortuna//iCal4j 1.0//EN"));
ical.getProperties().add(Version.VERSION_2_0);
ical.getProperties().add(CalScale.GREGORIAN);
} catch (Exception e) {
System.out.println("iCalendar failed to import");
}
registry = TimeZoneRegistryFactory.getInstance().createRegistry();
timezone = registry.getTimeZone("America/New_York");
tz = timezone.getVTimeZone();
try {
// Register the driver.
Class.forName("org.postgresql.Driver").newInstance();
} catch (Exception e) {
e.printStackTrace();
}
String url = "jdbc:postgresql://hopper.cs.wlu.edu/corsola";
try {
con = DriverManager.getConnection(url, "web", "");
} catch (SQLException e) {
e.printStackTrace();
}
}
@Override
@SuppressWarnings("unchecked")
public ByteArrayOutputStream toEntity() throws IOException {
net.fortuna.ical4j.model.Calendar ical = new net.fortuna.ical4j.model.Calendar();
ical.getProperties().add(Version.VERSION_2_0);
ical.getProperties()
.add(new ProdId("-//bitfire web engineering//DAVdroid " + Constants.APP_VERSION + "//EN"));
VEvent event = new VEvent();
PropertyList props = event.getProperties();
if (uid != null) props.add(new Uid(uid));
props.add(dtStart);
if (dtEnd != null) props.add(dtEnd);
if (duration != null) props.add(duration);
if (rrule != null) props.add(rrule);
if (rdate != null) props.add(rdate);
if (exrule != null) props.add(exrule);
if (exdate != null) props.add(exdate);
if (summary != null && !summary.isEmpty()) props.add(new Summary(summary));
if (location != null && !location.isEmpty()) props.add(new Location(location));
if (description != null && !description.isEmpty()) props.add(new Description(description));
if (status != null) props.add(status);
if (!opaque) props.add(Transp.TRANSPARENT);
if (organizer != null) props.add(organizer);
props.addAll(attendees);
if (forPublic != null) event.getProperties().add(forPublic ? Clazz.PUBLIC : Clazz.PRIVATE);
event.getAlarms().addAll(alarms);
props.add(new LastModified());
ical.getComponents().add(event);
// add VTIMEZONE components
net.fortuna.ical4j.model.TimeZone tzStart = (dtStart == null ? null : dtStart.getTimeZone()),
tzEnd = (dtEnd == null ? null : dtEnd.getTimeZone());
if (tzStart != null) ical.getComponents().add(tzStart.getVTimeZone());
if (tzEnd != null && tzEnd != tzStart) ical.getComponents().add(tzEnd.getVTimeZone());
CalendarOutputter output = new CalendarOutputter(false);
ByteArrayOutputStream os = new ByteArrayOutputStream();
try {
output.output(ical, os);
} catch (ValidationException e) {
Log.e(TAG, "Generated invalid iCalendar");
}
return os;
}
private void addVTimeZone(Calendar calendar) {
if (timeZone != null) {
VTimeZone tz = timeZone.getVTimeZone();
calendar.getComponents().add(tz);
}
}
private DtStart getStartDateProperty(Date startDate) {
DateTime date = convertRaplaLocaleToUTC(startDate);
TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
net.fortuna.ical4j.model.TimeZone tz = registry.getTimeZone(timeZone.getID());
date.setTimeZone(tz);
return new DtStart(date);
}
@Inject
public Export2iCalConverter(
TimeZoneConverter timezoneConverter,
RaplaLocale raplaLocale,
Logger logger,
ClientFacade facade)
throws RaplaException {
this.timezoneConverter = timezoneConverter;
this.facade = facade;
this.raplaLocale = raplaLocale;
this.logger = logger;
TimeZone zone = timezoneConverter.getImportExportTimeZone();
calendar = raplaLocale.createCalendar();
DynamicType[] dynamicTypes =
facade.getDynamicTypes(DynamicTypeAnnotations.VALUE_CLASSIFICATION_TYPE_RESOURCE);
for (DynamicType type : dynamicTypes) {
if (type.getAnnotation(DynamicTypeAnnotations.KEY_LOCATION) != null) {
hasLocationType = true;
}
}
CompatibilityHints.setHintEnabled(CompatibilityHints.KEY_RELAXED_VALIDATION, true);
RaplaConfiguration config =
facade
.getSystemPreferences()
.getEntry(Export2iCalPlugin.ICAL_CONFIG, new RaplaConfiguration());
global_export_attendees =
config
.getChild(Export2iCalPlugin.EXPORT_ATTENDEES)
.getValueAsBoolean(Export2iCalPlugin.DEFAULT_exportAttendees);
global_export_attendees_participation_status =
config
.getChild(Export2iCalPlugin.EXPORT_ATTENDEES_PARTICIPATION_STATUS)
.getValue(Export2iCalPlugin.DEFAULT_attendee_participation_status);
try {
exportAttendeesAttribute =
config.getChild(Export2iCalPlugin.EXPORT_ATTENDEES_EMAIL_ATTRIBUTE).getValue();
} catch (ConfigurationException e) {
exportAttendeesAttribute = "";
getLogger().info("ExportAttendeesMailAttribute is not set. So do not export as meeting");
}
if (zone != null) {
final String timezoneId = zone.getID();
try {
TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
timeZone = registry.getTimeZone(timezoneId);
} catch (Exception rc) {
final VTimeZone vTimeZone = new VTimeZone();
timeZone = new net.fortuna.ical4j.model.TimeZone(vTimeZone);
final int rawOffset = zone.getRawOffset();
timeZone.setRawOffset(rawOffset);
}
}
}
/**
* 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));
}
/** {@inheritDoc} */
public VEvent createEvent(CalendarEvent event, List<User> attendees) {
if (!isIcsEnabled()) {
log.debug(
"ExternalCalendaringService is disabled. Enable via calendar.ics.generation.enabled=true in sakai.properties");
return null;
}
// timezone. All dates are in GMT so we need to explicitly set that
TimeZoneRegistry registry = TimeZoneRegistryFactory.getInstance().createRegistry();
TimeZone timezone = registry.getTimeZone("GMT");
VTimeZone tz = timezone.getVTimeZone();
// start and end date
DateTime start = new DateTime(getStartDate(event.getRange()).getTime());
DateTime end = new DateTime(getEndDate(event.getRange()).getTime());
// create event incl title/summary
VEvent vevent = new VEvent(start, end, event.getDisplayName());
// add timezone
vevent.getProperties().add(tz.getTimeZoneId());
// add uid to event
// could come from the vevent_uuid field in the calendar event, otherwise from event ID.
String uuid = null;
if (StringUtils.isNotBlank(event.getField("vevent_uuid"))) {
uuid = event.getField("vevent_uuid");
} else {
uuid = event.getId();
}
vevent.getProperties().add(new Uid(uuid));
// add sequence to event
// will come from the vevent_sequnece field in the calendar event, otherwise skip it
String sequence = null;
if (StringUtils.isNotBlank(event.getField("vevent_sequence"))) {
sequence = event.getField("vevent_sequence");
vevent.getProperties().add(new Sequence(sequence));
}
// add description to event
vevent.getProperties().add(new Description(event.getDescription()));
// add location to event
vevent.getProperties().add(new Location(event.getLocation()));
// add organiser to event
if (StringUtils.isNotBlank(event.getCreator())) {
String creatorEmail = sakaiProxy.getUserEmail(event.getCreator());
URI mailURI = createMailURI(creatorEmail);
Cn commonName = new Cn(sakaiProxy.getUserDisplayName(event.getCreator()));
Organizer organizer = new Organizer(mailURI);
organizer.getParameters().add(commonName);
vevent.getProperties().add(organizer);
}
// add attendees to event with 'required participant' role
vevent = addAttendeesToEvent(vevent, attendees);
// add URL to event, if present
String url = null;
if (StringUtils.isNotBlank(event.getField("vevent_url"))) {
url = event.getField("vevent_url");
Url u = new Url();
try {
u.setValue(url);
vevent.getProperties().add(u);
} catch (URISyntaxException e) {
// it doesnt matter, ignore it
}
}
if (log.isDebugEnabled()) {
log.debug("VEvent:" + vevent);
}
return vevent;
}
