DefaultResetter.java

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

import org.apache.wicket.Component;
import org.apache.wicket.model.IModel;

public final class DefaultResetter implements Resetter {

	private static final long serialVersionUID = -4019437091633343436L;

	@Override
	public void reset(Component component) {
		IModel<?> model = component.getDefaultModel();
		
		// It is not necessary to set the model object to null if it already is.
		// Furthermore, in case of a PropertyModel it can cause a WicketRuntimeException if its innermost object is null.
		if (model != null && model.getObject() != null) {
			model.setObject(null);
		}
	}
}