[MVC 구현하기 - 3단계] 채채 (신채원) 미션 제출합니다

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

@@ -4,7 +4,7 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import web.org.springframework.web.WebApplicationInitializer;
-import webmvc.org.springframework.web.servlet.mvc.asis.ControllerHandlerAdapter;
+import webmvc.org.springframework.web.servlet.mvc.DispatcherServlet;
 import webmvc.org.springframework.web.servlet.mvc.tobe.AnnotationHandlerMapping;
 import webmvc.org.springframework.web.servlet.mvc.tobe.HandlerExecutionHandlerAdapter;
 
@@ -21,9 +21,7 @@ public class DispatcherServletInitializer implements WebApplicationInitializer {
     @Override
     public void onStartup(final ServletContext servletContext) {
         final DispatcherServlet dispatcherServlet = new DispatcherServlet();
-        dispatcherServlet.addHandlerMapping(new ManualHandlerMapping());
         dispatcherServlet.addHandlerMapping(new AnnotationHandlerMapping("com"));
-        dispatcherServlet.addHandlerAdapter(new ControllerHandlerAdapter());
         dispatcherServlet.addHandlerAdapter(new HandlerExecutionHandlerAdapter());
 
         final var registration = servletContext.addServlet(DEFAULT_SERVLET_NAME, dispatcherServlet);

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

@@ -0,0 +1,19 @@
+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 index(final HttpServletRequest req,
+                              final HttpServletResponse res) {
+        return new ModelAndView(new JspView("index.jsp"));
+    }
+}

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

@@ -2,35 +2,45 @@
 
 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.mvc.asis.Controller;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 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) {
-        if (UserSession.isLoggedIn(req.getSession())) {
+
+    @RequestMapping(value = "/login", method = RequestMethod.POST)
+    public ModelAndView login(final HttpServletRequest request,
+                              final HttpServletResponse response) {
+        final String path = execute(request, response);
+        return new ModelAndView(new JspView(path));
+    }
+
+    private String execute(final HttpServletRequest request,
+                           final HttpServletResponse response) {
+        if (UserSession.isLoggedIn(request.getSession())) {
             return "redirect:/index.jsp";
         }
 
-        return InMemoryUserRepository.findByAccount(req.getParameter("account"))
+        return InMemoryUserRepository.findByAccount(request.getParameter("account"))
                 .map(user -> {
                     log.info("User : {}", user);
-                    return login(req, user);
+                    return login(request, user);
                 })
                 .orElse("redirect:/401.jsp");
     }
 
-    private String login(final HttpServletRequest request, final User user) {
+    private String login(final HttpServletRequest request,
+                         final User user) {
         if (user.checkPassword(request.getParameter("password"))) {
             final var session = request.getSession();
             session.setAttribute(UserSession.SESSION_KEY, user);
@@ -39,8 +49,4 @@ private String login(final HttpServletRequest request, final User user) {
         return "redirect:/401.jsp";
     }
 
-    @RequestMapping(value = "/login", method = RequestMethod.GET)
-    public ModelAndView login(HttpServletRequest req, HttpServletResponse res) {
-        return new ModelAndView(new JspView(execute(req, res)));
-    }
 }

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

@@ -1,32 +1,34 @@
 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 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.mvc.asis.Controller;
 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) {
-        return UserSession.getUserFrom(req.getSession())
+    @RequestMapping(value = "/login/view", method = RequestMethod.GET)
+    public ModelAndView loginView(final HttpServletRequest request,
+                                  final HttpServletResponse response) {
+        final String path = execute(request, response);
+        return new ModelAndView(new JspView(path));
+    }
+
+    private String execute(final HttpServletRequest request,
+                           final HttpServletResponse response) {
+        return UserSession.getUserFrom(request.getSession())
                 .map(user -> {
                     log.info("logged in {}", user.getAccount());
                     return "redirect:/index.jsp";
                 })
                 .orElse("/login.jsp");
     }
-
-    @RequestMapping(value = "/login/view", method = RequestMethod.GET)
-    public ModelAndView loginView(HttpServletRequest req, HttpServletResponse res) {
-        String path = execute(req, res);
-        return new ModelAndView(new JspView(path));
-    }
 }

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

@@ -1,25 +1,20 @@
 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.mvc.asis.Controller;
 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) {
-        final var session = req.getSession();
+    @RequestMapping(value = "/logout", method = RequestMethod.GET)
+    public ModelAndView logout(HttpServletRequest request, HttpServletResponse response) {
+        final var session = request.getSession();
         session.removeAttribute(UserSession.SESSION_KEY);
-        return "redirect:/";
-    }
-
-    @RequestMapping(value = "/logout", method = RequestMethod.POST)
-    public ModelAndView logout(HttpServletRequest req, HttpServletResponse res) {
-        String path = execute(req, res);
-        return new ModelAndView(new JspView(path));
+        return new ModelAndView(new JspView("redirect:/"));
     }
 }

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

@@ -2,31 +2,26 @@
 
 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 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.mvc.asis.Controller;
 import webmvc.org.springframework.web.servlet.view.JspView;
 
-public class RegisterController implements Controller {
-
-    @Override
-    public String 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";
-    }
+@Controller
+public class RegisterController {
 
     @RequestMapping(value = "/register", method = RequestMethod.POST)
-    public ModelAndView save(HttpServletRequest request, HttpServletResponse response) throws Exception {
-        String path = execute(request, response);
-        return new ModelAndView(new JspView(path));
+    public ModelAndView save(final HttpServletRequest request,
+                             final HttpServletResponse response) {
+        final User user = new User(2,
+                request.getParameter("account"),
+                request.getParameter("password"),
+                request.getParameter("email"));
+        InMemoryUserRepository.save(user);
+        final JspView view = new JspView("redirect:/index.jsp");
+        return new ModelAndView(view);
     }
-
 }

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

@@ -1,23 +1,19 @@
 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.mvc.asis.Controller;
 import webmvc.org.springframework.web.servlet.view.JspView;
 
-public class RegisterViewController implements Controller {
-
-    @Override
-    public String execute(final HttpServletRequest req, final HttpServletResponse res)  {
-        return "/register.jsp";
-    }
+@Controller
+public class RegisterViewController {
 
     @RequestMapping(value = "/register/view", method = RequestMethod.GET)
-    public ModelAndView loginView(HttpServletRequest req, HttpServletResponse res) {
-        String path = execute(req, res);
-        return new ModelAndView(new JspView(path));
+    public ModelAndView loginView(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(final HttpServletRequest request,
+                             final 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/support/web/filter/ResourceFilter.java

@@ -39,8 +39,8 @@ public void init(final FilterConfig filterConfig) throws ServletException {
     @Override
     public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
             throws IOException, ServletException {
-        final var req = (HttpServletRequest) request;
-        final var path = req.getRequestURI().substring(req.getContextPath().length());
+        final var httpServletRequest = (HttpServletRequest) request;
+        final var path = httpServletRequest.getRequestURI().substring(httpServletRequest.getContextPath().length());
         if (isResourceUrl(path)) {
             log.debug("path : {}", path);
             requestDispatcher.forward(request, response);

mvc/src/main/java/webmvc/org/springframework/web/servlet/ModelAndView.java

@@ -14,7 +14,8 @@ public ModelAndView(final View view) {
         this.model = new HashMap<>();
     }
 
-    public ModelAndView addObject(final String attributeName, final Object attributeValue) {
+    public ModelAndView addObject(final String attributeName,
+                                  final Object attributeValue) {
         model.put(attributeName, attributeValue);
         return this;
     }

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

@@ -1,4 +1,4 @@
-package com.techcourse;
+package webmvc.org.springframework.web.servlet.mvc;
 
 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServlet;
@@ -8,8 +8,6 @@
 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.HandlerAdapter;
-import webmvc.org.springframework.web.servlet.mvc.HandlerMapping;
 
 public class DispatcherServlet extends HttpServlet {
 
@@ -41,9 +39,9 @@ protected void service(final HttpServletRequest request, final HttpServletRespon
         }
     }
 
-    private void render(ModelAndView modelAndView, HttpServletRequest req, HttpServletResponse res) throws Exception {
-        View view = modelAndView.getView();
-        view.render(modelAndView.getModel(), req, res);
+    private void render(ModelAndView modelAndView, HttpServletRequest request, HttpServletResponse response) throws Exception {
+        final View view = modelAndView.getView();
+        view.render(modelAndView.getModel(), request, response);
     }
 
     public void addHandlerMapping(HandlerMapping handlerMapping) {