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spring mvc : mvc 프레임워크 만들기 - 유연한 컨트롤러

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haerong22
2021-04-03 21:56:27 +09:00
parent 72127d8ccc
commit d979c241eb
2 changed files with 48 additions and 0 deletions
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9
spring-mvc/servlet/src/main/java/com/example/servlet/web/frontcontroller/v5/FrontControllerServletV5.java
View File

@@ -6,7 +6,11 @@ import com.example.servlet.web.frontcontroller.v3.ControllerV3;
import com.example.servlet.web.frontcontroller.v3.controller.MemberFormControllerV3;
import com.example.servlet.web.frontcontroller.v3.controller.MemberListControllerV3;
import com.example.servlet.web.frontcontroller.v3.controller.MemberSaveControllerV3;
import com.example.servlet.web.frontcontroller.v4.controller.MemberFormControllerV4;
import com.example.servlet.web.frontcontroller.v4.controller.MemberListControllerV4;
import com.example.servlet.web.frontcontroller.v4.controller.MemberSaveControllerV4;
import com.example.servlet.web.frontcontroller.v5.adapter.ControllerV3HandlerAdapter;
import com.example.servlet.web.frontcontroller.v5.adapter.ControllerV4HandlerAdapter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
@@ -34,10 +38,15 @@ public class FrontControllerServletV5 extends HttpServlet {
handlerMappingMap.put("/front-controller/v5/v3/members/new-form", new MemberFormControllerV3());
handlerMappingMap.put("/front-controller/v5/v3/members/save", new MemberSaveControllerV3());
handlerMappingMap.put("/front-controller/v5/v3/members", new MemberListControllerV3());
handlerMappingMap.put("/front-controller/v5/v4/members/new-form", new MemberFormControllerV4());
handlerMappingMap.put("/front-controller/v5/v4/members/save", new MemberSaveControllerV4());
handlerMappingMap.put("/front-controller/v5/v4/members", new MemberListControllerV4());
}
private void initHandlerAdapters() {
handlerAdapters.add(new ControllerV3HandlerAdapter());
handlerAdapters.add(new ControllerV4HandlerAdapter());
}
@Override

39
spring-mvc/servlet/src/main/java/com/example/servlet/web/frontcontroller/v5/adapter/ControllerV4HandlerAdapter.java Normal file
View File

@@ -0,0 +1,39 @@
package com.example.servlet.web.frontcontroller.v5.adapter;
import com.example.servlet.web.frontcontroller.ModelView;
import com.example.servlet.web.frontcontroller.v4.ControllerV4;
import com.example.servlet.web.frontcontroller.v5.MyHandlerAdapter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
public class ControllerV4HandlerAdapter implements MyHandlerAdapter {
@Override
public boolean supports(Object handler) {
return (handler instanceof ControllerV4);
}
@Override
public ModelView handle(HttpServletRequest request, HttpServletResponse response, Object handler) throws ServletException, IOException {
ControllerV4 controller = (ControllerV4) handler;
Map<String, String> paramMap = createParamMap(request);
Map<String, Object> model = new HashMap<>();
String viewName = controller.process(paramMap, model);
ModelView mv = new ModelView(viewName);
mv.setModel(model);
return mv;
}
private Map<String, String> createParamMap(HttpServletRequest request) {
Map<String, String> paramMap = new HashMap<>();
request.getParameterNames().asIterator()
.forEachRemaining(paramName -> paramMap.put(paramName, request.getParameter(paramName)));
return paramMap;
}
}