패스트캠퍼스 챌린지 22일차

Part 1. Spring Framework

 Ch 03. 예제를 만들며 이해하는 스프링 웹 어플리케이션 핵심 기술

  08. 데이터 밸리데이션 적용

  - 일반적으로 새로운 Resource를 만들 때는 Post 메소드를 사용한다.

  * 불필요한 import가 있거나 formatting이 마음에 들지 않으면 ctrl + alt + O를 누르면

    불필요한 import와 format들이 삭제된다.

package com.fastcampus.programmin.dmaker.dto;

import com.fastcampus.programmin.dmaker.type.DeveloperLevel;
import com.fastcampus.programmin.dmaker.type.DeveloperSkillType;
import com.sun.istack.NotNull;
import lombok.*;

import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import javax.validation.constraints.Size;

public class CreateDeveloper {
    @Getter
    @Setter
    @AllArgsConstructor
    @NoArgsConstructor
    @Builder

    public static class Request{
        @NotNull
        private DeveloperLevel developerLevel;
        @NotNull
        private DeveloperSkillType developerSkillType;
        @NotNull
        @Min(0)
        @Max(20)
        private Integer experienceYears;

        @NotNull
        @Size(min = 3, max = 50, message = "memberId size must 3 ~ 50")
        private String memberId;
        @NotNull
        @Size(min = 3, max = 20, message = "memberId size must 3 ~ 20")
        private String name;

        @Min(18)
        private Integer age;
    }

    @Getter
    @Setter
    @AllArgsConstructor
    @NoArgsConstructor
    @Builder

    public static class Response{
        private DeveloperLevel developerLevel;
        private DeveloperSkillType developerSkillType;
        private Integer experienceYears;
        private String memberId;
    }
}

<CreateDeveloper.java>

package com.fastcampus.programmin.dmaker.controller;

import com.fastcampus.programmin.dmaker.dto.CreateDeveloper;
import com.fastcampus.programmin.dmaker.service.dMakerService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;

import javax.validation.Valid;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

@Slf4j
@RestController //사용자의 요청을 받아 json 형태로 응답을 반환 //ctrl + 클릭
@RequiredArgsConstructor

// DMakerController(Bean)   DMakerService(Bean)   DeveloperRepository(Bean)
//===========================Spring Application =============================
//
//


public class DMakerController {
    private final dMakerService dMakerService;

    @GetMapping("/developers") //사용자 요청이 /developers를 통해 들어온다면 (ex] GET /developers HTTP/1.1)
    //
    public List<String> getAllDevelopers() {
        // GET /Developers HTTP/1.1
        log.info("GET /developers HTTP/1.1");

        return Arrays.asList("snow", "elsa", "Olaf");
    }

    @PostMapping("/create-developer")

    public List<String> createDevelopers(
        @Valid @RequestBody CreateDeveloper.Request request
    )
        {
            log.info("request : {}", request);

            dMakerService.createDeveloper(request);

            return Collections.singletonList("Olaf");
        }

}

<DMakerController.java>

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