@RestController
public class RestPersonController implements PersonApi {

    @Autowired
    private PersonService personService;

    @Autowired
    private ObjectMapper objectMapper;

    @Override
    @GetMapping(path = "/persons")
    public ResponseEntity<List<Person>> getPersons(
        @RequestParam(required = false) String fields) {

        List<Person> persons = this.personService.getPersons();

        // Filter fields
        if (StringUtils.isNotBlank(fields)) {
            configureFilter(fields);
        }

        return ResponseEntity.status(HttpStatus.OK).body(persons);
    }

    private void configureFilter(String fields) {
        String[] propertiesToExclude = { fields };
        objectMapper.addMixIn(EtkInfo.class, EtkInfoDynamicFilterMixIn.class);
        FilterProvider filterProvider = new SimpleFilterProvider().
            addFilter("dynamicFilter", SimpleBeanPropertyFilter.serializeAllExcept(propertiesToExclude));

        objectMapper.setFilterProvider(filterProvider);
    }
}

@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
    converters.add(new MappingJackson2HttpMessageConverter(objectMapper()));
}

@Bean
public ObjectMapper objectMapper() {
    return Jackson2ObjectMapperBuilder.json().build();
}