ProxyClient.java 文件源码

public void removePropertyChangeListener(PropertyChangeListener listener) {
    if (!(listener instanceof WeakPCL)) {
        // Search for the WeakPCL holding this listener (if any)
        for (PropertyChangeListener pcl : propertyChangeSupport.getPropertyChangeListeners()) {
            if (pcl instanceof WeakPCL && ((WeakPCL)pcl).get() == listener) {
                listener = pcl;
                break;
            }
        }
    }
    propertyChangeSupport.removePropertyChangeListener(listener);
}