[MVC 구현하기 - 3단계] 하마드(이건회) 미션 제출합니다.

app/src/main/java/com/techcourse/DispatcherServletInitializer.java

@@ -4,6 +4,7 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import web.org.springframework.web.WebApplicationInitializer;
+import webmvc.org.springframework.web.servlet.mvc.DispatcherServlet;
 
 /**
  * Base class for {@link WebApplicationInitializer}

app/src/main/java/com/techcourse/controller/IndexController.java

@@ -0,0 +1,18 @@
+package com.techcourse.controller;
+
+import context.org.springframework.stereotype.Controller;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import web.org.springframework.web.bind.annotation.RequestMapping;
+import web.org.springframework.web.bind.annotation.RequestMethod;
+import webmvc.org.springframework.web.servlet.ModelAndView;
+import webmvc.org.springframework.web.servlet.view.JspView;
+
+@Controller
+public class IndexController {
+
+    @RequestMapping(value = "/", method = RequestMethod.GET)
+    public ModelAndView showPage(HttpServletRequest request, HttpServletResponse response) {
+        return new ModelAndView(new JspView("/index.jsp"));
+    }
+}

app/src/main/java/com/techcourse/controller/LoginController.java

@@ -13,7 +13,7 @@
 @Controller
 public class LoginController {
 
-    @RequestMapping(value = "/login/view", method = RequestMethod.GET)
+    @RequestMapping(value = "/login", method = RequestMethod.GET)
     public ModelAndView showPage(HttpServletRequest request, HttpServletResponse response) {
         if (UserSession.isLoggedIn(request.getSession())) {
             return new ModelAndView(new JspView("redirect:/index.jsp"));

app/src/main/java/com/techcourse/controller/LogoutController.java

@@ -1,15 +1,20 @@
 package com.techcourse.controller;
 
+import context.org.springframework.stereotype.Controller;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
-import webmvc.org.springframework.web.servlet.mvc.asis.Controller;
+import web.org.springframework.web.bind.annotation.RequestMapping;
+import web.org.springframework.web.bind.annotation.RequestMethod;
+import webmvc.org.springframework.web.servlet.ModelAndView;
+import webmvc.org.springframework.web.servlet.view.JspView;
 
-public class LogoutController implements Controller {
+@Controller
+public class LogoutController {
 
-    @Override
-    public String execute(final HttpServletRequest req, final HttpServletResponse res) throws Exception {
-        final var session = req.getSession();
+    @RequestMapping(value = "/logout", method = RequestMethod.GET)
+    public ModelAndView showPage(HttpServletRequest request, HttpServletResponse response) {
+        final var session = request.getSession();
         session.removeAttribute(UserSession.SESSION_KEY);
-        return "redirect:/";
+        return new ModelAndView(new JspView("redirect:/"));
     }
 }

app/src/main/java/com/techcourse/controller/RegisterController.java

@@ -23,7 +23,7 @@ public ModelAndView register(HttpServletRequest request, HttpServletResponse res
         return new ModelAndView(new JspView("redirect:/index.jsp"));
     }
 
-    @RequestMapping(value = "/register/view", method = RequestMethod.GET)
+    @RequestMapping(value = "/register", method = RequestMethod.GET)
     public ModelAndView showPage(HttpServletRequest request, HttpServletResponse response) {
         return new ModelAndView(new JspView("/register.jsp"));
     }

app/src/main/java/com/techcourse/controller/UserController.java

@@ -0,0 +1,32 @@
+package com.techcourse.controller;
+
+import com.techcourse.domain.User;
+import com.techcourse.repository.InMemoryUserRepository;
+import context.org.springframework.stereotype.Controller;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import web.org.springframework.web.bind.annotation.RequestMapping;
+import web.org.springframework.web.bind.annotation.RequestMethod;
+import webmvc.org.springframework.web.servlet.ModelAndView;
+import webmvc.org.springframework.web.servlet.view.JsonView;
+
+@Controller
+public class UserController {
+
+    private static final Logger log = LoggerFactory.getLogger(UserController.class);
+
+    @RequestMapping(value = "/api/user", method = RequestMethod.GET)
+    public ModelAndView show(HttpServletRequest request, HttpServletResponse response) {
+        final String account = request.getParameter("account");
+        log.debug("user id : {}", account);
+
+        final ModelAndView modelAndView = new ModelAndView(new JsonView());
+        final User user = InMemoryUserRepository.findByAccount(account)
+                .orElseThrow();
+
+        modelAndView.addObject("user", user);
+        return modelAndView;
+    }
+}

app/src/main/webapp/index.html

@@ -19,7 +19,7 @@
 
             <!-- before login -->
             <div class="navbar-nav d-none d-md-inline-block ms-auto me-0 me-md-3 my-2 my-md-0">
-                <a class="nav-link" href="/login/view" role="button"><i class="fas fa-user fa-fw"></i>&nbsp;로그인</a>
+                <a class="nav-link" href="/login" role="button"><i class="fas fa-user fa-fw"></i>&nbsp;로그인</a>
             </div>
             <!-- before login -->
 

app/src/main/webapp/index.jsp

@@ -26,7 +26,7 @@
             </div>
             <% } else { %>
             <div class="navbar-nav d-none d-md-inline-block ms-auto me-0 me-md-3 my-2 my-md-0">
-                <a class="nav-link" href="/login/view" role="button"><i class="fas fa-user fa-fw"></i>&nbsp;로그인</a>
+                <a class="nav-link" href="/login" role="button"><i class="fas fa-user fa-fw"></i>&nbsp;로그인</a>
             </div>
             <% } %>
         </nav>

app/src/main/webapp/login.jsp

@@ -30,7 +30,7 @@
                                         </form>
                                     </div>
                                     <div class="card-footer text-center py-3">
-                                        <div class="small"><a href="/register/view">아이디가 없나요? 회원가입 하러가기</a></div>
+                                        <div class="small"><a href="/register">아이디가 없나요? 회원가입 하러가기</a></div>
                                     </div>
                                 </div>
                             </div>

app/src/test/java/com/techcourse/handlerMapper/AnnotationHandlerAdapterTest.java

@@ -5,7 +5,8 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import webmvc.org.springframework.web.servlet.ModelAndView;
-import webmvc.org.springframework.web.servlet.mvc.tobe.AnnotationHandlerMapping;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper.AnnotationHandlerAdapter;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper.AnnotationHandlerMapping;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.Mockito.mock;

app/src/test/java/com/techcourse/handlerMapper/ManualHandlerAdapterTest.java

@@ -5,6 +5,8 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import webmvc.org.springframework.web.servlet.ModelAndView;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper.ManualHandlerAdapter;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper.ManualHandlerMapping;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.Mockito.mock;

app/src/main/java/com/techcourse/DispatcherServlet.java → mvc/src/main/java/webmvc/org/springframework/web/servlet/mvc/DispatcherServlet.java

@@ -1,11 +1,5 @@
-package com.techcourse;
+package webmvc.org.springframework.web.servlet.mvc;
 
-import com.techcourse.handlerMapper.AnnotationHandlerAdapter;
-import com.techcourse.handlerMapper.AnnotationHandlerMapping;
-import com.techcourse.handlerMapper.HandlerAdapter;
-import com.techcourse.handlerMapper.HandlerMapping;
-import com.techcourse.handlerMapper.ManualHandlerAdapter;
-import com.techcourse.handlerMapper.ManualHandlerMapping;
 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;
@@ -14,6 +8,12 @@
 import org.slf4j.LoggerFactory;
 import webmvc.org.springframework.web.servlet.ModelAndView;
 import webmvc.org.springframework.web.servlet.View;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper.AnnotationHandlerAdapter;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper.AnnotationHandlerMapping;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper.HandlerAdapter;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper.HandlerMapping;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper.ManualHandlerAdapter;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper.ManualHandlerMapping;
 
 import java.util.ArrayList;
 import java.util.List;

app/src/main/java/com/techcourse/handlerMapper/AnnotationHandlerAdapter.java → mvc/src/main/java/webmvc/org/springframework/web/servlet/mvc/tobe/handlerMapper/AnnotationHandlerAdapter.java

@@ -1,4 +1,4 @@
-package com.techcourse.handlerMapper;
+package webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper;
 
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;

app/src/main/java/com/techcourse/handlerMapper/AnnotationHandlerMapping.java → mvc/src/main/java/webmvc/org/springframework/web/servlet/mvc/tobe/handlerMapper/AnnotationHandlerMapping.java

@@ -1,4 +1,4 @@
-package com.techcourse.handlerMapper;
+package webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper;
 
 import context.org.springframework.stereotype.Controller;
 import jakarta.servlet.http.HttpServletRequest;

app/src/main/java/com/techcourse/handlerMapper/HandlerAdapter.java → mvc/src/main/java/webmvc/org/springframework/web/servlet/mvc/tobe/handlerMapper/HandlerAdapter.java

@@ -1,4 +1,4 @@
-package com.techcourse.handlerMapper;
+package webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper;
 
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;

app/src/main/java/com/techcourse/handlerMapper/HandlerMapping.java → mvc/src/main/java/webmvc/org/springframework/web/servlet/mvc/tobe/handlerMapper/HandlerMapping.java

@@ -1,4 +1,4 @@
-package com.techcourse.handlerMapper;
+package webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper;
 
 import jakarta.servlet.http.HttpServletRequest;
 

app/src/main/java/com/techcourse/handlerMapper/ManualHandlerAdapter.java → mvc/src/main/java/webmvc/org/springframework/web/servlet/mvc/tobe/handlerMapper/ManualHandlerAdapter.java

@@ -1,4 +1,4 @@
-package com.techcourse.handlerMapper;
+package webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper;
 
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;

app/src/main/java/com/techcourse/handlerMapper/ManualHandlerMapping.java → mvc/src/main/java/webmvc/org/springframework/web/servlet/mvc/tobe/handlerMapper/ManualHandlerMapping.java

@@ -1,6 +1,5 @@
-package com.techcourse.handlerMapper;
+package webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper;
 
-import com.techcourse.controller.LogoutController;
 import jakarta.servlet.http.HttpServletRequest;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -18,9 +17,6 @@ public class ManualHandlerMapping implements HandlerMapping {
 
     @Override
     public void initialize() {
-        controllers.put("/", new ForwardController("/index.jsp"));
-        controllers.put("/logout", new LogoutController());
-
         log.info("Initialized Handler Mapping!");
         controllers.keySet()
                 .forEach(path -> log.info("Path : {}, Controller : {}", path, controllers.get(path).getClass()));

mvc/src/main/java/webmvc/org/springframework/web/servlet/view/JsonView.java

@@ -1,14 +1,31 @@
 package webmvc.org.springframework.web.servlet.view;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
+import web.org.springframework.http.MediaType;
 import webmvc.org.springframework.web.servlet.View;
 
+import java.io.PrintWriter;
 import java.util.Map;
 
 public class JsonView implements View {
 
     @Override
     public void render(final Map<String, ?> model, final HttpServletRequest request, HttpServletResponse response) throws Exception {
+        ObjectMapper objectMapper = new ObjectMapper();
+        String jsonString = extractJsonString(model, objectMapper);
+        PrintWriter printWriter = response.getWriter();
+        response.setContentType(MediaType.APPLICATION_JSON_UTF8_VALUE);
+        printWriter.write(jsonString);
+    }
+
+    private String extractJsonString(Map<String, ?> model, ObjectMapper objectMapper) throws JsonProcessingException {
+        if (model.size() == 1) {
+            Object value = model.values().toArray()[0];
+            return objectMapper.writeValueAsString(value);
+        }
+        return objectMapper.writeValueAsString(model);
     }
 }

mvc/src/test/java/webmvc/org/springframework/web/servlet/mvc/tobe/AnnotationHandlerMappingTest.java

@@ -4,14 +4,16 @@
 import jakarta.servlet.http.HttpServletResponse;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper.AnnotationHandlerMapping;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handlerMapper.HandlerMapping;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
 class AnnotationHandlerMappingTest {
 
-    private AnnotationHandlerMapping handlerMapping;
+    private HandlerMapping handlerMapping;
 
     @BeforeEach
     void setUp() {