mvc step1 주드 미션 제출합니다

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

@@ -1,11 +1,17 @@
 package webmvc.org.springframework.web.servlet.mvc.tobe;
 
+import context.org.springframework.stereotype.Controller;
 import jakarta.servlet.http.HttpServletRequest;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
+import java.lang.reflect.Method;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Set;
+import org.reflections.Reflections;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import web.org.springframework.web.bind.annotation.RequestMapping;
+import web.org.springframework.web.bind.annotation.RequestMethod;
 
 public class AnnotationHandlerMapping {
 
@@ -20,10 +26,28 @@ public AnnotationHandlerMapping(final Object... basePackage) {
     }
 
     public void initialize() {
+        Reflections reflections = new Reflections(basePackage);
+        Set<Class<?>> controllers = reflections.getTypesAnnotatedWith(Controller.class);
+        for (Class<?> controller : controllers) {
+            Method[] methods = controller.getMethods();
+            Arrays.stream(methods)
+                  .filter(method -> method.isAnnotationPresent(RequestMapping.class))
+                  .forEach(this::putHandlers);
+        }
         log.info("Initialized AnnotationHandlerMapping!");
     }
 
+    private void putHandlers(Method method) {
+        RequestMapping annotation = method.getAnnotation(RequestMapping.class);
+        for (RequestMethod requestMethod : annotation.method()) {
+            final var handlerKey = new HandlerKey(annotation.value(), requestMethod);
+            handlerExecutions.put(handlerKey, new HandlerExecution(method));
+        }
+    }
+
     public Object getHandler(final HttpServletRequest request) {
-        return null;
+        return handlerExecutions.get(
+                new HandlerKey(request.getRequestURI(), RequestMethod.valueOf(request.getMethod()))
+        );
     }
 }

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

@@ -2,11 +2,18 @@
 
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
+import java.lang.reflect.Method;
 import webmvc.org.springframework.web.servlet.ModelAndView;
 
 public class HandlerExecution {
 
+    private final Method method;
+
+    public HandlerExecution(Method method) {
+        this.method = method;
+    }
+
     public ModelAndView handle(final HttpServletRequest request, final HttpServletResponse response) throws Exception {
-        return null;
+        return (ModelAndView) method.invoke(method.getDeclaringClass().getConstructor().newInstance(), request, response);
     }
 }