Servlet & JSP day19 - 게시판(Controller, BoardDTO, ForwardDTO)

Controller.java

☞ 모든 Controller의 최상위 Type으로 모든 Controller의 실행 메소드인 execute()를 선언

package board.controller;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import board.dto.ForwardDTO;

public interface Controller {
 public ForwardDTO execute(HttpServletRequest request, HttpServletResponse response)
   throws ServletException, IOException;
 
}

 

BoardFrontController.java

☞ Client의 모든 요청을 받는 서블릿 클래스. 요청에 대한 처리는 Action들이 처리한다.

package board.controller;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import board.dto.ForwardDTO;

public class BoardFrontController extends HttpServlet {
 private static final long serialVersionUID = 1L;
 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  doPost(request, response);
 }

 protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  //1. 공통 사전 작업 - 한글처리
  request.setCharacterEncoding("utf-8");
  
  //2. Controller 로직 처리 - Controller객체.execute() 호출
  String command = request.getParameter("command");
  Controller ctr = ControllerCommandMapping.getController(command);
  ForwardDTO fdto = ctr.execute(request, response);
  
  //3. 공통 사후 작업
  if(fdto.isRedirect()) {
   response.sendRedirect(fdto.getUrl());
  } else {
   RequestDispatcher rdp = request.getRequestDispatcher(fdto.getUrl());
   rdp.forward(request, response);
  }
 }

}

 

ControllerCommandMapping.java

☞ Client가 보내온 Command 인자 값에 따라 요청을 처리할 Action객체를 만들어 return하는 Factory 클래스

package board.controller;

public class ControllerCommandMapping {

 public static Controller getController(String command) {
  Controller ctr = null;
  if(command.equals("write")) {
   ctr = new WriteContentController();
  } else if(command.equals("get")) {
   ctr = new GetContentController();
  } else if(command.equals("replyform")) {
   ctr = new ReplyFormController();
  } else if(command.equals("reply")) {
   ctr = new ReplyContentController();
  } else if(command.equals("modifyform")) {
   ctr= new ModifyFormController();
  } else if(command.equals("modify")) {
   ctr = new ModifyContentController();
  } else if(command.equals("boardlist")) {
   ctr = new BoardListController();
  } else if(command.equals("delete")) {
   ctr = new DeleteContentController();
  }
  return ctr;
 }
}

 

BoardDTO.java

☞ 게시물의 데이터를 저장하는 VO Class

package board.dto;

/**
 * @author Evan
 *
 */
public class BoardDTO {
 private int no;
 private String title;
 private String writer;
 private String content;
 private String writedate;
 private int viewcount;
 private int refamily;
 private int restep;
 private int relevel;
 
 public BoardDTO() {}
 public BoardDTO(String title, String wirter, String content) {
  this.title = title;
  this.writer = wirter;
  this.content = content;
 }
 public BoardDTO(int no, String title, String writer, String content,
   String writedate, int viewcount, int refamily, int restep,
   int relevel) {
  this.no = no;
  this.title = title;
  this.writer = writer;
  this.content = content;
  this.writedate = writedate;
  this.viewcount = viewcount;
  this.refamily = refamily;
  this.restep = restep;
  this.relevel = relevel;
 }

 public int getNo() {
  return no;
 }

 public void setNo(int no) {
  this.no = no;
 }

 public String getTitle() {
  return title;
 }

 public void setTitle(String title) {
  this.title = title;
 }

 public String getWriter() {
  return writer;
 }

 public void setWriter(String writer) {
  this.writer = writer;
 }

 public String getContent() {
  return content;
 }

 public void setContent(String content) {
  this.content = content;
 }

 public String getWritedate() {
  return writedate;
 }

 public void setWritedate(String writedate) {
  this.writedate = writedate;
 }

 public int getViewcount() {
  return viewcount;
 }

 public void setViewcount(int viewcount) {
  this.viewcount = viewcount;
 }

 public int getRefamily() {
  return refamily;
 }

 public void setRefamily(int refamily) {
  this.refamily = refamily;
 }

 public int getRestep() {
  return restep;
 }

 public void setRestep(int restep) {
  this.restep = restep;
 }

 public int getRelevel() {
  return relevel;
 }

 public void setRelevel(int relevel) {
  this.relevel = relevel;
 }

 @Override
 public String toString() {
  return "boardDTO [no=" + no + ", title=" + title + ", writer=" + writer
    + ", content=" + content + ", writedate=" + writedate
    + ", viewcount=" + viewcount + ", refamily=" + refamily
    + ", restep=" + restep + ", relevel=" + relevel + "]";
 }

 @Override
 public int hashCode() {
  final int prime = 31;
  int result = 1;
  result = prime * result + ((content == null) ? 0 : content.hashCode());
  result = prime * result + no;
  result = prime * result + refamily;
  result = prime * result + relevel;
  result = prime * result + restep;
  result = prime * result + ((title == null) ? 0 : title.hashCode());
  result = prime * result + viewcount;
  result = prime * result + ((writer == null) ? 0 : writer.hashCode());
  result = prime * result
    + ((writedate == null) ? 0 : writedate.hashCode());
  return result;
 }

 @Override
 public boolean equals(Object obj) {
  if (this == obj)
   return true;
  if (obj == null)
   return false;
  if (getClass() != obj.getClass())
   return false;
  BoardDTO other = (BoardDTO) obj;
  if (content == null) {
   if (other.content != null)
    return false;
  } else if (!content.equals(other.content))
   return false;
  if (no != other.no)
   return false;
  if (refamily != other.refamily)
   return false;
  if (relevel != other.relevel)
   return false;
  if (restep != other.restep)
   return false;
  if (title == null) {
   if (other.title != null)
    return false;
  } else if (!title.equals(other.title))
   return false;
  if (viewcount != other.viewcount)
   return false;
  if (writer == null) {
   if (other.writer != null)
    return false;
  } else if (!writer.equals(other.writer))
   return false;
  if (writedate == null) {
   if (other.writedate != null)
    return false;
  } else if (!writedate.equals(other.writedate))
   return false;
  return true;
 }
 
 
}

 

ForwardDTO.java

☞ Action들이 Business Logic 처리(Model과 연동)를 끝낸 뒤 이동할 페이지와 이동방법을 담는 VO

package board.dto;

public class ForwardDTO {
 private String url;
 private boolean redirect;
 
 public ForwardDTO() {}
 public ForwardDTO(String url, boolean redirect) {
  this.url = url;
  this.redirect = redirect;
 }
 public String getUrl() {
  return url;
 }
 public void setUrl(String url) {
  this.url = url;
 }
 public boolean isRedirect() {
  return redirect;
 }
 public void setRedirect(boolean redirect) {
  this.redirect = redirect;
 }
 @Override
 public String toString() {
  return "ForwardDTO [url=" + url + ", redirect=" + redirect + "]";
 }
}