MavenOptionController.java 文件源码

void firePropChange(String property, Object oldVal, Object newVal) {
    ArrayList<PropertyChangeListener> lst;
    synchronized (listeners) {
        lst = new ArrayList<PropertyChangeListener>(listeners);
    }
    PropertyChangeEvent evnt = new PropertyChangeEvent(this, property, oldVal, newVal);
    for (PropertyChangeListener prop : lst) {
        if (prop == null) {
            //#180218
            continue;
        }
        prop.propertyChange(evnt);
    }
}