/**
* Removes the specified property change listener so that it
* no longer receives property change events from this object.
* @param l the property change listener
*/
public final void removePropertyChangeListener(PropertyChangeListener l) {
boolean callRemoved;
synchronized (getLock()) {
PropertyChangeSupport supp = (PropertyChangeSupport) getProperty(PROP_SUPPORT);
if (supp == null) {
return;
}
boolean hasListener = supp.hasListeners(null);
supp.removePropertyChangeListener(l);
callRemoved = hasListener && !supp.hasListeners(null);
}
if (callRemoved) {
putProperty(PROP_SUPPORT, null); // clean the PCS, see #25417
removeNotifySuper = false;
removeNotify();
if (!removeNotifySuper) {
String msg = "You must call super.removeNotify() from " + getClass().getName() + ".removeNotify()"; // NOI18N
err.warning(msg);
}
}
}
SharedClassObject.java 文件源码
java
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