[MessageSystem] FrontController

1. FrontController

package com.smhrd.frontcontroller;

import java.io.IOException;
import java.net.URLEncoder;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.oreilly.servlet.MultipartRequest;
import com.oreilly.servlet.multipart.DefaultFileRenamePolicy;
import com.smhrd.command.Command;
import com.smhrd.controller_class.DeleteBoardService;
import com.smhrd.controller_class.DeleteService;
import com.smhrd.controller_class.JoinService;
import com.smhrd.controller_class.LoginService;
import com.smhrd.controller_class.LogoutService;
import com.smhrd.controller_class.UpdateService;
import com.smhrd.controller_class.WriterBoardServce;
import com.smhrd.model.BoardDAO;
import com.smhrd.model.BoardVO;
import com.smhrd.model.DAO;
import com.smhrd.model.MemberVO;

@WebServlet("*.do") // .do라는 확장자를 갖고 있다면 frontcontroller로 오게 만드는 것
public class ForntController extends HttpServlet {
	private static final long serialVersionUID = 1L;

	protected void service(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		System.out.println("[FrontController]");

		// 어느 서블릿으로 요청이 들어왔는지 확인
		String uri = request.getRequestURI();
		// System.out.println(uri);

		// 프로젝트이름
		String path1 = request.getContextPath();
		// System.out.println(path);

		// 요청들어온 servlet이름만 확인
		// substring : 문자열 자르는 함수
		// substring(start) : start위치부터 끝까지 문자열 자르기
		String reqURI = uri.substring(path1.length() + 1);
		System.out.println(reqURI);
		request.setCharacterEncoding("UTF-8");
		String moveURL = "";
		Command sc = null;
		if (reqURI.equals("JoinService.do")) {
			sc = new JoinService();
		} else if (reqURI.equals("LoginService.do")) {
			sc = new LoginService();
		} else if (reqURI.equals("LogoutService.do")) { 
			sc = new LogoutService();
		} else if (reqURI.equals("WriterBoardService.do")) {
			sc = new WriterBoardServce();
		} else if (reqURI.equals("UpdateService.do")) {
			sc = new UpdateService();
		} else if (reqURI.equals("DeleteService.do")) {
			sc = new DeleteService();
		} else if (reqURI.equals("DeleteBoardService.do")) {
			sc = new DeleteBoardService();
		}
		moveURL = sc.execute(request, response);
		RequestDispatcher rd = request.getRequestDispatcher(moveURL);
		rd.forward(request, response);
	}

}