Examples with NonWeakListener com.revolsys.beans.NonWeakListener used on opensource projects

Example 1 with NonWeakListener

use of com.revolsys.beans.NonWeakListener in project com.revolsys.open by revolsys.

the class Property method getPropertyChangeListener.

@SuppressWarnings("unchecked")
static PropertyChangeListener getPropertyChangeListener(final Object listener) {
    if (listener instanceof PropertyChangeListener) {
        final PropertyChangeListener propertyChangeListener = (PropertyChangeListener) listener;
        if (propertyChangeListener instanceof NonWeakListener) {
            return propertyChangeListener;
        } else {
            final WeakPropertyChangeListener weakListener = new WeakPropertyChangeListener(propertyChangeListener);
            return weakListener;
        }
    } else if (listener instanceof Consumer) {
        final Consumer<Object> consumer = (Consumer<Object>) listener;
        return (e) -> {
            final Object object = e.getNewValue();
            consumer.accept(object);
        };
    } else {
        return null;
    }
}