/**
* Register a new listener in this handler list
*
* @param listener listener to register
*/
public synchronized void register(RegisteredListener listener) {
if (handlerslots.get(listener.getPriority()).contains(listener)) {
throw new IllegalStateException(
"This listener is already registered to priority " + listener.getPriority().toString());
}
handlers = null;
if (listener.getPriority() == EventPriority.EXECUTOR && allowExecutor == false) {
throw new IllegalStateException("an executor is not allowed for this event");
}
if (listener.getPriority() == EventPriority.EXECUTOR
&& handlerslots.get(EventPriority.EXECUTOR).isEmpty() == false) {
throw new IllegalStateException("an executor is already registered for this event");
}
handlerslots.get(listener.getPriority()).add(listener);
}
/**
* Get a specific plugin's registered listeners associated with this handler list
*
* @param plugin the plugin to get the listeners of
* @return the list of registered listeners
*/
public static ArrayList<RegisteredListener> getRegisteredListeners(EventPlugin plugin) {
ArrayList<RegisteredListener> listeners = new ArrayList<RegisteredListener>();
synchronized (allLists) {
for (HandlerList h : allLists) {
synchronized (h) {
for (List<RegisteredListener> list : h.handlerslots.values()) {
for (RegisteredListener listener : list) {
if (listener.getPlugin().equals(plugin)) {
listeners.add(listener);
}
}
}
}
}
}
return listeners;
}
/**
* Remove a listener from a specific order slot
*
* @param listener listener to remove
*/
public synchronized void unregister(RegisteredListener listener) {
if (handlerslots.get(listener.getPriority()).remove(listener)) {
handlers = null;
}
}