/* 99 */ this.eventListenerRegistry.put(filterObject, handbacks);
/* */ }
/* 101 */ List listeners = (List)handbacks.get(handbackObject);
/* 102 */ if (listeners == null)
/* */ {
/* 104 */ listeners = new CopyOnWriteArrayList();
/* 105 */ handbacks.put(handbackObject, listeners);
/* */ }
/* 107 */ listeners.add(listener);
/* 108 */ if (log.isTraceEnabled())
/* 109 */ log.trace("Registered listener: " + listener + " with filter=" + filter + " handback=" + handback + " on object " + this);