How to use

net.fortuna.ical4j.util.RandomUidGenerator

constructor

  String organizerEmail, String location, String description, List<Pair<String, String>> participators)
  throws MessagingException, IOException {
UidGenerator ug = new RandomUidGenerator();// new UidGenerator("uidGen");
Uid uid = ug.generateUid();
String content = makeICalMeetingText(uid, startTime, endTime, title, organizerName, organizerEmail,

/**
 * Sets the UID of the Calendar, if none exists. Otherwise, does nothing
 * @param calendar Calendar to which we have to add a UID to
 * @return The new UID that has been set. Otherwise the old one.
 * @throws CalDAV4JException on error finding Component.
 */
public static Uid setUID
    (net.fortuna.ical4j.model.Calendar calendar) throws CalDAV4JException {
  Component comp = getFirstComponent(calendar);
  Uid uid =  (Uid) comp.getProperties().getProperty(Property.UID);
  if(uid == null) {
    RandomUidGenerator generator = new RandomUidGenerator();
    uid = generator.generateUid();
    comp.getProperties().add(uid);
  }
  return uid;
}

/**
 * @return
 * @throws SocketException 
 */
public static TestSuite suite() throws SocketException {
  TestSuite suite = new TestSuite();
  VVenue vv = new VVenue();
  suite.addTest(new VVenueTest("testIsCalendarComponent", vv));
  suite.addTest(new VVenueTest("testValidationException", vv));
  
  UidGenerator g = new RandomUidGenerator();
  vv = new VVenue();
  vv.getProperties().add(g.generateUid());
  suite.addTest(new VVenueTest("testValidation", vv));
  
  return suite;
}

UidGenerator ug = new RandomUidGenerator();
Uid uid = ug.generateUid();

/**
 * @return
 * @throws SocketException 
 */
public static TestSuite suite() throws SocketException {
  TestSuite suite = new TestSuite();
  VAvailability a = new VAvailability();
  suite.addTest(new VAvailabilityTest("testIsCalendarComponent", a));
  suite.addTest(new VAvailabilityTest("testValidationException", a));
  
  UidGenerator g = new RandomUidGenerator();
  a = new VAvailability();
  a.getProperties().add(g.generateUid());
  a.getProperties().add(new DtStart(new DateTime()));
  suite.addTest(new VAvailabilityTest("testValidation", a));
  
  return suite;
}

  /**
   * @return
   * @throws SocketException 
   */
  public static TestSuite suite() throws SocketException {
    TestSuite suite = new TestSuite();

    Available a = new Available();
    suite.addTest(new AvailableTest("testIsNotCalendarComponent", a));
    suite.addTest(new AvailableTest("testValidationException", a));
    
    UidGenerator g = new RandomUidGenerator();
    a = new Available();
    a.getProperties().add(g.generateUid());
    a.getProperties().add(new DtStart(new DateTime()));
    a.getProperties().add(new DtStamp());
    a.getProperties().add(new Duration(java.time.Period.ofWeeks(1)));
    suite.addTest(new AvailableTest("testValidation", a));
    return suite;
  }
}

UidGenerator uidGenerator = new RandomUidGenerator();
UidGenerator ug = new RandomUidGenerator();
Uid uid = ug.generateUid();