componentFactories.add(new JavaMathBigIntegerPanelFactory());
componentFactories.add(new JavaMathBigDecimalPanelFactory());
componentFactories.add(new JodaLocalDatePanelFactory());
componentFactories.add(new JodaLocalDateTimePanelFactory());
componentFactories.add(new JodaDateTimePanelFactory());
componentFactories.add(new ValuePanelFactory());
// or for choices
componentFactories.add(new ValueChoicesSelect2PanelComponentFactory());