[MVC 구현하기 - 3단계] 히이로(문제웅) 미션 제출합니다.

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

@@ -1,9 +1,10 @@
-package com.techcourse.dispatcherservlet;
+package com.techcourse;
 
 import jakarta.servlet.ServletContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import web.org.springframework.web.WebApplicationInitializer;
+import webmvc.org.springframework.web.servlet.mvc.tobe.dispatcherservlet.DispatcherServlet;
 
 /**
  * Base class for {@link WebApplicationInitializer}

app/src/main/java/com/techcourse/controller/AnnotatedLogoutController.java → app/src/main/java/com/techcourse/controller/ForwardController.java

@@ -9,12 +9,10 @@
 import webmvc.org.springframework.web.servlet.view.JspView;
 
 @Controller
-public class AnnotatedLogoutController {
+public class ForwardController {
 
-    @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 new ModelAndView(new JspView("redirect:/"));
+    @RequestMapping(value = "/", method = RequestMethod.GET)
+    public ModelAndView execute(final HttpServletRequest request, final HttpServletResponse response) {
+        return new ModelAndView(new JspView("/index.jsp"));
     }
 }

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

@@ -2,36 +2,41 @@
 
 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;
+import webmvc.org.springframework.web.servlet.view.JspView;
 
-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 login(final HttpServletRequest req, final HttpServletResponse res) {
         if (UserSession.isLoggedIn(req.getSession())) {
-            return "redirect:/index.jsp";
+            return new ModelAndView(new JspView("redirect:/index.jsp"));
         }
 
         return InMemoryUserRepository.findByAccount(req.getParameter("account"))
                 .map(user -> {
                     log.info("User : {}", user);
-                    return login(req, user);
+                    return authorization(req, user);
                 })
-                .orElse("redirect:/401.jsp");
+                .orElse(new ModelAndView(new JspView("redirect:/401.jsp")));
     }
 
-    private String login(final HttpServletRequest request, final User user) {
+    private ModelAndView authorization(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 new ModelAndView(new JspView("redirect:/index.jsp"));
         }
-        return "redirect:/401.jsp";
+        return new ModelAndView(new JspView("redirect:/401.jsp"));
     }
 }

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

@@ -1,22 +1,27 @@
 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;
+import webmvc.org.springframework.web.servlet.view.JspView;
 
-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/view", method = RequestMethod.GET)
+    public ModelAndView loginView(final HttpServletRequest req, final HttpServletResponse res) {
         return UserSession.getUserFrom(req.getSession())
                 .map(user -> {
                     log.info("logged in {}", user.getAccount());
-                    return "redirect:/index.jsp";
+                    return new ModelAndView(new JspView("redirect:/index.jsp"));
                 })
-                .orElse("/login.jsp");
+                .orElse(new ModelAndView(new JspView("/login.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 {
+    @RequestMapping(value = "/logout", method = RequestMethod.GET)
+    public ModelAndView logout(final HttpServletRequest req, final HttpServletResponse res) throws Exception {
         final var session = req.getSession();
         session.removeAttribute(UserSession.SESSION_KEY);
-        return "redirect:/";
+        return new ModelAndView(new JspView("redirect:/"));
     }
 }

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

@@ -2,20 +2,25 @@
 
 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;
+import webmvc.org.springframework.web.servlet.view.JspView;
 
-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 register(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 new ModelAndView(new JspView("redirect:/index.jsp"));
     }
 }

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

@@ -1,13 +1,18 @@
 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 RegisterViewController implements Controller {
+@Controller
+public class RegisterViewController {
 
-    @Override
-    public String execute(final HttpServletRequest req, final HttpServletResponse res) throws Exception {
-        return "/register.jsp";
+    @RequestMapping(value = "/register/view", method = RequestMethod.GET)
+    public ModelAndView registerView(final HttpServletRequest req, final HttpServletResponse res) {
+        return new ModelAndView(new JspView("/register.jsp"));
     }
 }

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

@@ -0,0 +1,33 @@
+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/java/com/techcourse/dispatcherservlet/DispatcherServlet.java → mvc/src/main/java/webmvc/org/springframework/web/servlet/mvc/tobe/dispatcherservlet/DispatcherServlet.java

@@ -1,14 +1,14 @@
-package com.techcourse.dispatcherservlet;
+package webmvc.org.springframework.web.servlet.mvc.tobe.dispatcherservlet;
 
-import com.techcourse.handlermapping.HandlerMappings;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handler.HandlerMappings;
 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServlet;
 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.tobe.HandlerExecution;
-import webmvc.org.springframework.web.servlet.view.JspView;
+import webmvc.org.springframework.web.servlet.View;
+import webmvc.org.springframework.web.servlet.mvc.tobe.handler.HandlerExecution;
 
 public class DispatcherServlet extends HttpServlet {
 
@@ -33,22 +33,11 @@ protected void service(final HttpServletRequest request, final HttpServletRespon
         try {
             HandlerExecution handler = handlerMappings.getHandler(request);
             final var modelAndView = handler.handle(request, response);
-            JspView view = (JspView) modelAndView.getView();
-            move(view.getName(), request, response);
+            View view = modelAndView.getView();
+            view.render(modelAndView.getModel(), request, response);
         } catch (Throwable e) {
             log.error("Exception : {}", e.getMessage(), e);
             throw new ServletException(e.getMessage());
         }
     }
-
-    private void move(final String viewName, final HttpServletRequest request,
-            final HttpServletResponse response) throws Exception {
-        if (viewName.startsWith(JspView.REDIRECT_PREFIX)) {
-            response.sendRedirect(viewName.substring(JspView.REDIRECT_PREFIX.length()));
-            return;
-        }
-
-        final var requestDispatcher = request.getRequestDispatcher(viewName);
-        requestDispatcher.forward(request, response);
-    }
 }