[MVC 구현하기 - 3단계] 에코(조은찬) 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/ForwardController.java

@@ -0,0 +1,16 @@
+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;
+
+@Controller
+public class ForwardController {
+    @RequestMapping(value = "/", method = RequestMethod.GET)
+    public ModelAndView execute(HttpServletRequest request, HttpServletResponse response) throws Exception {
+        return ModelAndView.fromJspViewName("redirect:/index.jsp");
+    }
+}

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

@@ -2,36 +2,40 @@
 
 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 webmvc.org.springframework.web.servlet.mvc.asis.Controller;
 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;
 
-public class LoginController implements Controller {
+@Controller
+public class LoginController {
 
     private static final Logger log = LoggerFactory.getLogger(LoginController.class);
 
-    @Override
-    public String execute(final HttpServletRequest req, final HttpServletResponse res) throws Exception {
+    @RequestMapping(value = "/login", method = RequestMethod.POST)
+    public ModelAndView execute(final HttpServletRequest req, final HttpServletResponse res) throws Exception {
         if (UserSession.isLoggedIn(req.getSession())) {
-            return "redirect:/index.jsp";
+            return ModelAndView.fromJspViewName("redirect:/index.jsp");
         }
 
         return InMemoryUserRepository.findByAccount(req.getParameter("account"))
                 .map(user -> {
                     log.info("User : {}", user);
                     return login(req, user);
                 })
-                .orElse("redirect:/401.jsp");
+                .orElse(ModelAndView.fromJspViewName("redirect:/401.jsp"));
     }
 
-    private String login(final HttpServletRequest request, final User user) {
+    private ModelAndView login(final HttpServletRequest request, final User user) {
         if (user.checkPassword(request.getParameter("password"))) {
             final var session = request.getSession();
             session.setAttribute(UserSession.SESSION_KEY, user);
-            return "redirect:/index.jsp";
+            return ModelAndView.fromJspViewName("redirect:/index.jsp");
         }
-        return "redirect:/401.jsp";
+        return ModelAndView.fromJspViewName("redirect:/401.jsp");
     }
 }

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

@@ -1,22 +1,26 @@
 package com.techcourse.controller;
 
+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 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;
 
-public class LoginViewController implements Controller {
+@Controller
+public class LoginViewController {
 
     private static final Logger log = LoggerFactory.getLogger(LoginViewController.class);
 
-    @Override
-    public String execute(final HttpServletRequest req, final HttpServletResponse res) throws Exception {
+    @RequestMapping(value = "/login", method = RequestMethod.GET)
+    public ModelAndView execute(final HttpServletRequest req, final HttpServletResponse res) throws Exception {
         return UserSession.getUserFrom(req.getSession())
                 .map(user -> {
                     log.info("logged in {}", user.getAccount());
-                    return "redirect:/index.jsp";
+                    return ModelAndView.fromJspViewName("redirect:/index.jsp");
                 })
-                .orElse("/login.jsp");
+                .orElse(ModelAndView.fromJspViewName("/login.jsp"));
     }
 }

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

@@ -1,15 +1,19 @@
 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;
 
-public class LogoutController implements Controller {
+@Controller
+public class LogoutController {
 
-    @Override
-    public String execute(final HttpServletRequest req, final HttpServletResponse res) throws Exception {
+    @RequestMapping(value = "/logout", method = RequestMethod.GET)
+    public ModelAndView execute(final HttpServletRequest req, final HttpServletResponse res) throws Exception {
         final var session = req.getSession();
         session.removeAttribute(UserSession.SESSION_KEY);
-        return "redirect:/";
+        return ModelAndView.fromJspViewName("redirect:/");
     }
 }

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

@@ -2,20 +2,24 @@
 
 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 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;
 
-public class RegisterController implements Controller {
+@Controller
+public class RegisterController {
 
-    @Override
-    public String execute(final HttpServletRequest req, final HttpServletResponse res) throws Exception {
+    @RequestMapping(value = "/register", method = RequestMethod.POST)
+    public ModelAndView execute(final HttpServletRequest req, final HttpServletResponse res) throws Exception {
         final var user = new User(2,
                 req.getParameter("account"),
                 req.getParameter("password"),
                 req.getParameter("email"));
         InMemoryUserRepository.save(user);
 
-        return "redirect:/index.jsp";
+        return ModelAndView.fromJspViewName("redirect:/index.jsp");
     }
 }

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

@@ -6,13 +6,12 @@
 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 RegisterViewController {
 
-    @RequestMapping(value = "/register/view", method = RequestMethod.GET)
+    @RequestMapping(value = "/register", method = RequestMethod.GET)
     public ModelAndView execute(final HttpServletRequest req, final HttpServletResponse res) throws Exception {
-        return new ModelAndView(new JspView("/register.jsp"));
+        return ModelAndView.fromJspViewName("/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.exception.UserNotFoundException;
+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(() -> new UserNotFoundException("존재하지 않는 사용자입니다."));
+        modelAndView.addObject("user", user);
+        return modelAndView;
+    }
+}

app/src/main/java/com/techcourse/exception/UserNotFoundException.java

@@ -0,0 +1,9 @@
+package com.techcourse.exception;
+
+import webmvc.org.springframework.web.servlet.mvc.exception.NotFoundException;
+
+public class UserNotFoundException extends NotFoundException {
+    public UserNotFoundException(final String message) {
+        super(message);
+    }
+}