/**
* Adds <tt>WebRtcDataStreamListener</tt> to the list of listeners.
*
* @param listener the <tt>WebRtcDataStreamListener</tt> to be added to the listeners list.
*/
public void addChannelListener(WebRtcDataStreamListener listener) {
if (listener == null) {
throw new NullPointerException("listener");
} else {
synchronized (listeners) {
if (!listeners.contains(listener)) {
listeners.add(listener);
}
}
}
}
/**
* Gets the <tt>Endpoint</tt>s participating in/contributing to this <tt>Conference</tt>.
*
* @return the <tt>Endpoint</tt>s participating in/contributing to this <tt>Conference</tt>
*/
public List<Endpoint> getEndpoints() {
List<Endpoint> endpoints;
boolean changed = false;
synchronized (this.endpoints) {
endpoints = new ArrayList<>(this.endpoints.size());
for (Iterator<WeakReference<Endpoint>> i = this.endpoints.iterator(); i.hasNext(); ) {
Endpoint endpoint = i.next().get();
if (endpoint == null) {
i.remove();
changed = true;
} else {
endpoints.add(endpoint);
}
}
}
if (changed) firePropertyChange(ENDPOINTS_PROPERTY_NAME, null, null);
return endpoints;
}
/**
* Gets a <tt>Content</tt> of this <tt>Conference</tt> which has a specific name. If a
* <tt>Content</tt> of this <tt>Conference</tt> with the specified <tt>name</tt> does not exist at
* the time the method is invoked, the method initializes a new <tt>Content</tt> instance with the
* specified <tt>name</tt> and adds it to the list of <tt>Content</tt>s of this
* <tt>Conference</tt>.
*
* @param name the name of the <tt>Content</tt> which is to be returned
* @return a <tt>Content</tt> of this <tt>Conference</tt> which has the specified <tt>name</tt>
*/
public Content getOrCreateContent(String name) {
Content content;
synchronized (contents) {
for (Content aContent : contents) {
if (aContent.getName().equals(name)) {
aContent.touch(); // It seems the content is still active.
return aContent;
}
}
content = new Content(this, name);
if (isRecording()) {
content.setRecording(true, getRecordingPath());
}
contents.add(content);
}
if (logger.isInfoEnabled()) {
/*
* The method Videobridge.getChannelCount() should better be
* executed outside synchronized blocks in order to reduce the risks
* of causing deadlocks.
*/
Videobridge videobridge = getVideobridge();
logger.info(
"Created content "
+ name
+ " of conference "
+ getID()
+ ". "
+ videobridge.getConferenceCountString());
}
return content;
}
