feat: AnnotationController 추가

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

@@ -13,6 +13,8 @@
 import webmvc.org.springframework.web.servlet.HandlerMapping;
 import webmvc.org.springframework.web.servlet.ModelAndView;
 import webmvc.org.springframework.web.servlet.View;
+import webmvc.org.springframework.web.servlet.mvc.tobe.AnnotationHandlerAdapter;
+import webmvc.org.springframework.web.servlet.mvc.tobe.AnnotationHandlerMapping;
 
 public class DispatcherServlet extends HttpServlet {
 
@@ -34,6 +36,11 @@ public void init() {
         manualHandlerMapping.initialize();
         handlerMappings.add(manualHandlerMapping);
         handlerAdapters.add(new ManualHandlerAdapter());
+
+        AnnotationHandlerMapping annotationHandlerMapping = new AnnotationHandlerMapping("com");
+        annotationHandlerMapping.initialize();
+        handlerMappings.add(annotationHandlerMapping);
+        handlerAdapters.add(new AnnotationHandlerAdapter());
     }
 
     @Override

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

@@ -10,10 +10,7 @@
 public class ManualHandlerAdapter implements HandlerAdapter {
     @Override
     public boolean support(final Object handler) {
-        if (handler instanceof Controller) {
-            return true;
-        }
-        return false;
+        return handler instanceof Controller;
     }
 
     @Override

app/src/main/java/com/techcourse/controller/annotation/AnnotationHomeController.java

@@ -0,0 +1,20 @@
+package com.techcourse.controller.annotation;
+
+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 AnnotationHomeController {
+
+    private static final String INDEX_JSP = "/index.jsp";
+
+    @RequestMapping(value = "/", method = RequestMethod.GET)
+    public ModelAndView display(HttpServletRequest req, HttpServletResponse res) {
+        return new ModelAndView(new JspView(INDEX_JSP));
+    }
+}

app/src/main/java/com/techcourse/controller/annotation/AnnotationLoginController.java

@@ -0,0 +1,58 @@
+package com.techcourse.controller.annotation;
+
+import com.techcourse.controller.LoginController;
+import com.techcourse.controller.UserSession;
+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.JspView;
+
+@Controller
+public class AnnotationLoginController {
+    private static final Logger log = LoggerFactory.getLogger(LoginController.class);
+    private static final String REDIRECT_INDEX_JSP = "redirect:/index.jsp";
+    private static final String REDIRECT_401_JSP = "redirect:/401.jsp";
+    private static final String LOGIN_JSP = "/login.jsp";
+
+    @RequestMapping(value = "/login/view", method = RequestMethod.GET)
+    public ModelAndView display(HttpServletRequest req, HttpServletResponse res) {
+        return UserSession.getUserFrom(req.getSession())
+                .map(user -> {
+                    log.info("logged in {}", user.getAccount());
+                    return new ModelAndView(new JspView(REDIRECT_INDEX_JSP));
+                })
+                .orElse(new ModelAndView(new JspView(LOGIN_JSP)));
+    }
+
+    @RequestMapping(value = "/login", method = RequestMethod.POST)
+    public ModelAndView login(HttpServletRequest req, HttpServletResponse res) {
+        if (UserSession.isLoggedIn(req.getSession())) {
+            return new ModelAndView(new JspView(REDIRECT_INDEX_JSP));
+        }
+
+        ModelAndView modelAndView = InMemoryUserRepository.findByAccount(req.getParameter("account"))
+                .map(user -> {
+                    log.info("User : {}", user);
+                    return checkPassword(req, user);
+                })
+                .orElse(new ModelAndView(new JspView(REDIRECT_401_JSP)));
+        modelAndView.addObject("id", req.getAttribute("id"));
+        return modelAndView;
+    }
+
+    private ModelAndView checkPassword(final HttpServletRequest request, final User user) {
+        if (user.checkPassword(request.getParameter("password"))) {
+            final var session = request.getSession();
+            session.setAttribute(UserSession.SESSION_KEY, user);
+            return new ModelAndView(new JspView(REDIRECT_INDEX_JSP));
+        }
+        return new ModelAndView(new JspView(REDIRECT_401_JSP));
+    }
+}

app/src/main/java/com/techcourse/controller/annotation/AnnotationLogoutController.java

@@ -0,0 +1,23 @@
+package com.techcourse.controller.annotation;
+
+import com.techcourse.controller.UserSession;
+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 AnnotationLogoutController {
+
+    private static final String REDIRECT_INDEX_JSP = "redirect:/index.jsp";
+
+    @RequestMapping(value = "/logout", method = RequestMethod.GET)
+    public ModelAndView logout(HttpServletRequest req, HttpServletResponse res) {
+        final var session = req.getSession();
+        session.removeAttribute(UserSession.SESSION_KEY);
+        return new ModelAndView(new JspView(REDIRECT_INDEX_JSP));
+    }
+}

app/src/main/java/com/techcourse/controller/annotation/AnnotationRegisterController.java

@@ -0,0 +1,33 @@
+package com.techcourse.controller.annotation;
+
+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.view.JspView;
+
+@Controller
+public class AnnotationRegisterController {
+
+    private static final String REDIRECT_INDEX_JSP = "redirect:/index.jsp";
+
+    @RequestMapping(value = "/register/view", method = RequestMethod.GET)
+    public ModelAndView display(HttpServletRequest req, HttpServletResponse res) {
+        return new ModelAndView(new JspView("/register.jsp"));
+    }
+
+    @RequestMapping(value = "/register", method = RequestMethod.POST)
+    public ModelAndView register(HttpServletRequest req, HttpServletResponse res) {
+        final var user = new User(
+                req.getParameter("account"),
+                req.getParameter("password"),
+                req.getParameter("email"));
+        InMemoryUserRepository.save(user);
+
+        return new ModelAndView(new JspView(REDIRECT_INDEX_JSP));
+    }
+}

mvc/src/main/java/webmvc/org/springframework/web/servlet/mvc/tobe/AnnotationHandlerAdapter.java

@@ -0,0 +1,21 @@
+package webmvc.org.springframework.web.servlet.mvc.tobe;
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import webmvc.org.springframework.web.servlet.HandlerAdapter;
+import webmvc.org.springframework.web.servlet.ModelAndView;
+
+public class AnnotationHandlerAdapter implements HandlerAdapter {
+
+    @Override
+    public boolean support(final Object handler) {
+        return handler instanceof HandlerExecution;
+    }
+
+    @Override
+    public ModelAndView handle(final Object handler, final HttpServletRequest request,
+                               final HttpServletResponse response)
+            throws Exception {
+        return ((HandlerExecution) handler).handle(request, response);
+    }
+}