ContainerClassFeedbackMessageFilter.java

package fr.openwide.core.wicket.more.markup.html.feedback;

import org.apache.wicket.Component;
import org.apache.wicket.feedback.FeedbackMessage;
import org.apache.wicket.feedback.IFeedbackMessageFilter;

public class ContainerClassFeedbackMessageFilter<T> implements IFeedbackMessageFilter {
	
	private static final long serialVersionUID = -3527902186905319759L;
	
	private final Class<T> containerClass;

	public ContainerClassFeedbackMessageFilter(Class<T> containerClass) {
		super();
		this.containerClass = containerClass;
	}

	@Override
	public final boolean accept(FeedbackMessage message) {
		Component component = message.getReporter();
		
		T container = null;
		if (component != null) {
			if (containerClass.isInstance(component)) {
				container = containerClass.cast(component);
			} else {
				container = component.findParent(containerClass);
			}
		}
		
		return accept(message, container);
	}

	protected boolean accept(FeedbackMessage message, T container) {
		return container != null;
	}

}