Q1Server.java

package question1.server;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import question1.shared.FinalFieldFoobar;
import question1.shared.JavaBeanFoobar;
import reactor.core.publisher.Mono;

import java.time.ZonedDateTime;

@SpringBootApplication(scanBasePackages = "question1.server")
public class Q1Server {

    public static void main(String[] args) {
        SpringApplication.run(Q1Server.class, args);
    }

    @RestController
    public static class Question1Controller {


        /**
         * Expected:
         * No serializer found for class question1.FoobarNotSerializable and no properties discovered to create
         * BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS)
         */
        @GetMapping(value = "/private-field")
        Mono<FinalFieldFoobar> privateField() {
            return Mono.just(new FinalFieldFoobar(ZonedDateTime.now()));
        }

        @GetMapping(value = "/javabean")
        Mono<JavaBeanFoobar> javabean() {
            return Mono.just(new JavaBeanFoobar());
        }
    }

}