7주차 미션 / 서버 1조 주민석

src/main/java/kuit/server/controller/PostUserRequestValidator.java

@@ -0,0 +1,22 @@
+package kuit.server.controller;
+
+import kuit.server.dto.user.PostUserRequest;
+import org.springframework.stereotype.Component;
+import org.springframework.validation.Errors;
+import org.springframework.validation.Validator;
+
+@Component
+public class PostUserRequestValidator implements Validator {
+
+    @Override
+    public boolean supports(Class<?> clazz) {
+        return PostUserRequest.class.isAssignableFrom(clazz);
+    }
+
+    @Override
+    public void validate(Object target, Errors errors) {
+        PostUserRequest postUserRequest = (PostUserRequest) target;
+
+        // 로직 추가
+    }
+}

src/main/java/kuit/server/controller/ResponseController.java

@@ -0,0 +1,25 @@
+package kuit.server.controller;
+
+import kuit.server.common.response.BaseErrorResponse;
+import kuit.server.common.response.BaseResponse;
+import kuit.server.common.response.status.BaseExceptionResponseStatus;
+import kuit.server.common.response.status.ResponseStatus;
+import kuit.server.temp.UserData;
+import org.apache.catalina.User;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class ResponseController {
+
+    @RequestMapping("/base-response")
+    public BaseResponse<UserData> getSuccessResponse() {
+        UserData userData = new UserData("kim", 20);
+        return new BaseResponse<>(userData);
+    }
+
+    @RequestMapping("/base-error-response")
+    public BaseErrorResponse getErrorResponse() {
+        return new BaseErrorResponse(BaseExceptionResponseStatus.BAD_REQUEST);
+    }
+}

src/main/java/kuit/server/controller/UserController.java

@@ -8,6 +8,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.validation.BindingResult;
 import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.WebDataBinder;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
@@ -23,6 +24,13 @@
 public class UserController {
 
     private final UserService userService;
+    private final PostUserRequestValidator postUserRequestValidator;
+
+    @InitBinder
+    public void init(WebDataBinder dataBinder){
+        log.info("init binder {}", dataBinder);
+        dataBinder.addValidators(postUserRequestValidator);
+    }
 
     /**
      * 회원 가입

src/main/java/kuit/server/dao/UserDao.java

@@ -19,6 +19,7 @@
 @Repository
 public class UserDao {
 
+    // 파라미터를 바인딩
     private final NamedParameterJdbcTemplate jdbcTemplate;
 
     public UserDao(DataSource dataSource) {

src/main/java/kuit/server/temp/TempController.java

@@ -0,0 +1,74 @@
+package kuit.server.temp;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import jakarta.servlet.ServletInputStream;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.catalina.User;
+import org.springframework.http.HttpEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.util.StreamUtils;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+
+@Slf4j
+@Controller
+//@RestController
+public class TempController {
+    private ObjectMapper objectMapper = new ObjectMapper();
+
+    @PostMapping("/request-body-json-v1")
+    public void requestBodyJsonV1(HttpServletRequest request, HttpServletResponse response) throws IOException {
+        // convert value in request to json object (string)
+        ServletInputStream inputStream = request.getInputStream();
+        String messageBody = StreamUtils.copyToString(inputStream, StandardCharsets.UTF_8);
+        log.info("messageBody = {}", messageBody);
+
+        // convert json object to UserData object
+        UserData userData = objectMapper.readValue(messageBody, UserData.class);
+        log.info("username = {}, age = {}", userData.getUsername(), userData.getAge());
+
+        response.getWriter().write("ok");
+    }
+
+    @ResponseBody
+    @PostMapping("/request-body-json-v2")
+    public String requestBodyJsonV2(@RequestBody String messageBody) throws JsonProcessingException {
+        UserData userData = objectMapper.readValue(messageBody, UserData.class);
+        log.info("username = {}, age = {}", userData.getUsername(), userData.getAge());
+
+        // @ResponseBody 안붙이면 ok 라는 뷰를 가진 ViewResolver 반환
+        return "ok";
+    }
+
+    @ResponseBody
+    @PostMapping("/request-body-json-v3")
+    public String requestBodyJsonV3(@RequestBody UserData userData) {
+        log.info("username = {}, age = {}", userData.getUsername(), userData.getAge());
+        return "ok";
+    }
+
+    @ResponseBody
+    @PostMapping("/request-body-json-v4")
+    public String requestBodyJsonV4(HttpEntity<UserData> httpEntity) {
+        UserData userData = httpEntity.getBody();
+        log.info("username = {}, age = {}", userData.getUsername(), userData.getAge());
+        return "ok";
+    }
+
+    @ResponseBody
+    @PostMapping("/request-body-json-v5")
+    public UserData requestBodyJsonV5(@RequestBody UserData userData) {
+        log.info("username = {}, age = {}", userData.getUsername(), userData.getAge());
+        return userData;
+    }
+
+
+}

src/main/java/kuit/server/temp/UserData.java

@@ -0,0 +1,13 @@
+package kuit.server.temp;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+public class UserData {
+    private String username;
+    private int age;
+}