Configuring Spring Boot 3 Dates globally

application.properties

spring.jackson.serialization.write-dates-as-timestamps=false

dates examples.txt

date=2024-01-15
dateTime=2024-01-15T22:09:06.002Z

# DateTime precisa de ser enviado corretamente (escape de caracteres especiais) via postman e insomnia use a aba de parameters para fazer.

ExampleController.java

@RestController
public class ExampleController {
  
  @GetMapping("/search") // esse metodo vai ser ativado se um GET for enviado para /clientes/search
    public List<ClienteResponse> filtrarPeloNome(@RequestParam(required = false, name = "nomeCliente") String name, // parametro a ser passado na url
                                                 @RequestParam(required = false) Integer idade,
                                                 @RequestParam(required = false) List<Integer> ids,
                                                 @RequestParam(required = false) LocalDateTime dateTime,
                                                 @RequestParam(required = false) LocalDate date
    ) {

        ClienteSearchParams searchParams = new ClienteSearchParams(idade, name, ids);

        return clienteService.filtrar(searchParams)
                .stream()
            .map(ClienteResponse::of)
                .toList();
    }
}

WebMvcConfig.java

package br.com.fundatec.spring.aula.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.format.FormatterRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.core.convert.converter.Converter;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

@Configuration
public class WebMvcConfig implements WebMvcConfigurer {
    @Override
    public void addFormatters(FormatterRegistry registry) {
        registry.addConverter(new Converter<String, LocalDateTime>() {
            @Override
            public LocalDateTime convert(String source) {
                return LocalDateTime.parse(source, DateTimeFormatter.ISO_DATE_TIME);
            }
        });

        registry.addConverter(new Converter<String, LocalDate>() {
            @Override
            public LocalDate convert(String source) {
                return LocalDate.parse(source, DateTimeFormatter.ISO_DATE);
            }
        });
    }
}