private Converter getConverterForValue(FacesContext context, UIComponent component) { Converter converter = ((ValueHolder) component).getConverter(); if (converter == null) { ValueExpression expression = component.getValueExpression("value"); if (expression != null) { Class<?> containerClass = ServiceTracker.getService(context, GenericsIntrospectionService.class) .getContainerClass(context, expression); converter = InputUtils.getConverterForType(context, containerClass); } } return converter; }