class JodaLocalDateToStringConverter implements Converter<String, LocalDate> {

    @CheckForNull
    @Override
    public LocalDate convertToModel(@CheckForNull String value,
            @CheckForNull Class<? extends LocalDate> targetType,
            @CheckForNull Locale locale) throws Converter.ConversionException {
        throw new UnsupportedOperationException(getClass().getName() + " only supports convertToPresentation");
    }

}