String to LocalDate GenericConverter for using with Spring Data REST

RestConfig.java

@Configuration
public class RestConfig extends RepositoryRestConfigurerAdapter {
    @Override
    public void configureConversionService(ConfigurableConversionService conversionService) {
        conversionService.addConverter(new LocalDateGenericConverter());
        super.configureConversionService(conversionService);
    }
    
    private class LocalDateGenericConverter implements GenericConverter {
        @Override
        public Set<ConvertiblePair> getConvertibleTypes() {
            Set<ConvertiblePair> pairs = new HashSet<>();
            pairs.add(new ConvertiblePair(String.class, LocalDate.class));
            return pairs;
        }
        
        @Override
        public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
            return StringUtils.isEmpty((String) source) ? null : LocalDate.parse((String) source);
        }
    }
}