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네이버클라우드/JAVA 웹 프로그래밍

JAVA 54일차 (2023-08-07) 자바 프로그래밍_56. 웹 애플리케이션 자바 표준 기술 JavaEE 도입_개인프로젝트 - 마트 관리 시스템

by prometedor 2023. 8. 7. 
## 56. 웹 애플리케이션 자바 표준 기술 JavaEE 도입

- JavaEE 기술 소개
- JavaEE 버전 별 하위 기술 버전 
- JavaEE 구현 서버 및 Servlet 컨테이너 관계
- Servlet API 사용법

 

report-common/build.gradle

ㄴ report-common 프로젝트의 build.gradle 스크립트 파일에서도 plugins 설정을 eclipse -> eclipse-wtp 로 변경해주기

 

report-server/build.gradle

ㄴ wtp 설정에서 component 의 contextPath 를 '/' 로 변경해줌

 

ㄴ gradle clean 해주기

 

settings.gradle

ㄴ 이제 app-client 는 사용하지 않으므로 주석처리해주기

 

ㄴ gradle 재설정하기

 

ㄴ 프로젝트 Refresh 해주기

 

=>

ㄴ report-server 제거

=>

=>

ㄴ Publish 해주기

=>

=>

ㄴ 다시 Add 해주기

=>

=>

ㄴ 다시 Publish 해주기

 

ㄴ /Users/yangsoyul/bitcamp-workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp2/wtpwebapps/report-server 경로에서 확인

 

 

ㄴ 서버 실행

=>

ㄴ 서버 잘 실행됨을 확인

=>

=>

ㄴ 게시글 목록이 잘 출력됨을 확인

 

BoardAddServlet.java

ㄴ src0 에 백업해둔 BoardAddServlet.java 파일을 src 로 복사해준 후 @WebServlet 애노테이션으로 변경해주기

=>

BoardAddServlet.java

=>

BoardAddServlet.java

=>

BoardAddServlet.java

ㄴ HttpServletRequest, HttpServletResponse 

=>

BoardAddServlet.java

ㄴ 해당 코드 삭제 => init 에서 만들어주기 때문에 제거해도 됨

=>

BoardAddServlet.java

ㄴ InitServlet 추가해주기

=>

=>

=>

BoardFormServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.util.AbstractServlet;

@WebServlet("/board/form")
public class BoardFormServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) res;

    int category = Integer.parseInt(request.getParameter("category"));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<title>비트캠프</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>게시글</h1>");
    out.println("<form action='/board/add' method='post'>");
    out.println("제목 <input type='text' name='title'><br>");
    out.println("내용 <textarea name='content'></textarea><br>");
    out.printf("<input type='hidden' name='category' value='%d'>\n", category);
    out.println("<button>등록</button>");
    out.println("</form>");
    out.println("</body>");
    out.println("</html>");
  }

}

=>

서버 restart

=>

 

=>

=>

=>

=>

LoginServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.report.vo.Member;
import bitcamp.util.AbstractServlet;

@WebServlet("/auth/login")
public class LoginServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) res;

    Member m = new Member();
    m.setPhone(request.getParameter("phone"));
    m.setPassword(request.getParameter("password"));

    Member loginUser = InitServlet.memberDao.findByPhoneAndPassword(m);

    if (loginUser != null) {
      // 로그인 정보를 다른 요청에도 사용할 수 있도록 세션 보관소에 담아 둔다.
      request.getSession().setAttribute("loginUser", loginUser);
      response.sendRedirect("/");
      return;
    }

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<meta http-equib='refresh' content='1;url=/auth/form.html'>");
    out.println("<title>로그인</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<p>회원 정보가 일치하지 않습니다.<p>");
    out.println("</body>");
    out.println("</html>");
  }
}

=>

서버 restart

=>

=>

=>

=>

=>

=>

 

listener 생성

ㄴ bitcamp.report.listener 패키지 생성

 

ㄴ ReportServletRequestListener 클래스 생성

 

ReportServletRequestListener.java

=>

ReportServletRequestListener.java

=>

서버 restart

=>

ㄴ 언제 어떤 실행이 되는지 확인

=>

=>

ㄴ 요청을 할 때마다 requestDestroyed 메서드 실행됨을 확인할 수 있음

=>

ReportServletRequestListener.java

=>

서버 restart

=>

=>

=>

 

BoardDetailServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.report.vo.Board;
import bitcamp.util.AbstractServlet;

@WebServlet("/board/detail")
public class BoardDetailServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) res;

    Board board = InitServlet.boardDao.findBy(Integer.parseInt(request.getParameter("category")),
        Integer.parseInt(request.getParameter("no")));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<title>게시글</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>게시글</h1>");

    if (board == null) {
      out.println("<p>해당 번호의 게시글이 없습니다!</p>");
    } else {
      out.println("<form action='/board/update' method='post'>");
      out.printf("<input type='hidden' name='category' value='%d'>\n", board.getCategory());
      out.println("<table border='1'>");
      out.printf("<tr><th style='width:120px;'>번호</th>"
          + " <td style='width:300px;'><input type='text' name='no' value='%d' readonly='readonly'></td></tr>\n",
          board.getNo());
      out.printf("<tr><th>제목</th>" + " <td><input type='text' name='title' value='%s'></td></tr>\n",
          board.getTitle());
      out.printf("<tr><th>내용</th>"
          + " <td><textarea name='content' style='height:200px; width:400px;'>%s</textarea></td></tr>\n",
          board.getContent());
      out.printf("<tr><th>작성자</th> <td>%s</td></tr>\n", board.getWriter().getName());
      out.printf("<tr><th>조회수</th> <td>%d</td></tr>\n", board.getViewCount());
      out.printf("<tr><th>등록일</th> <td>%tY-%1$tm-%1$td</td></tr>\n", board.getCreatedDate());
      out.println("</table>");

      out.println("<div>");
      out.println("<button>변경</button>");
      out.println("<button type='reset'>초기화</button>");
      out.printf("<a href='/board/delete?category=%d&no=%d'>삭제</a>\n", board.getCategory(),
          board.getNo());
      out.printf("<a href='/board/list?category=%d'>목록</a>", board.getCategory());
      out.println("</div>");
      out.println("</form>");

      try {
        board.setViewCount(board.getViewCount() + 1);
        InitServlet.boardDao.updateCount(board);
        InitServlet.sqlSessionFactory.openSession(false).commit();

      } catch (Exception e) {
        InitServlet.sqlSessionFactory.openSession(false).rollback();
      }
    }
    out.println("</body>");
    out.println("</html>");
  }
}

 

BoardUpdateServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.report.vo.Board;
import bitcamp.report.vo.Member;
import bitcamp.util.AbstractServlet;

@WebServlet("/board/update")
public class BoardUpdateServlet extends AbstractServlet {
  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) res;

    Member loginUser = (Member) request.getSession().getAttribute("loginUser");
    if (loginUser == null) {
      response.sendRedirect("/auth/form.html");
      return;
    }

    int category = Integer.parseInt(request.getParameter("category"));

    Board board = new Board();
    board.setNo(Integer.parseInt(request.getParameter("no")));
    board.setTitle(request.getParameter("title"));
    board.setContent(request.getParameter("content"));
    board.setWriter(loginUser);
    board.setCategory(category);

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.printf("<meta http-equiv='refresh' content='1;url=/board/list?category=%d'>", category);
    out.println("<title>게시글</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>게시글 변경</h1>");

    try {
      if (InitServlet.boardDao.update(board) == 0) {
        out.println("<p>게시글이 없거나 변경 권한이 없습니다.</p>");
      } else {
        out.println("<p>변경했습니다!</p>");
      }
      InitServlet.sqlSessionFactory.openSession(false).commit();

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      out.println("<p>게시글 변경 실패입니다!</p>");
      e.printStackTrace();
    }
    out.println("</body>");
    out.println("</html>");
  }

}

 

서버 restart

=>

=>

=>

=>

 

 

BoardDeleteServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.report.vo.Board;
import bitcamp.report.vo.Member;
import bitcamp.util.AbstractServlet;

@WebServlet("/board/delete")
public class BoardDeleteServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) res;

    Member loginUser = (Member) request.getSession().getAttribute("loginUser");
    if (loginUser == null) {
      response.sendRedirect("/auth/form.html");
      return;
    }

    int category = Integer.parseInt(request.getParameter("category"));

    Board b = new Board();
    b.setNo(Integer.parseInt(request.getParameter("no")));
    b.setWriter(loginUser);
    b.setCategory(category);

    try {
      if (InitServlet.boardDao.delete(b) == 0) {
        throw new Exception("해당 번호의 게시글이 없거나 삭제 권한이 없습니다.");
      } else {
        response.sendRedirect("/board/list?category=" + category);
      }
      InitServlet.sqlSessionFactory.openSession(false).commit();

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      throw new RuntimeException(e);
    }
  }

}

=>

서버 restart

=>

=>

ㄴ 제대로 삭제됨을 확인

 

=> Member, Item 도 동일한 방식으로 수정해주기

 

MemberAddServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.report.vo.Member;
import bitcamp.util.AbstractServlet;

@WebServlet("/member/add")
public class MemberAddServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) res;

    Member m = new Member();
    m.setName(request.getParameter("name"));
    m.setPhone(request.getParameter("phone"));
    m.setPassword(request.getParameter("password"));
    m.setPosition(request.getParameter("position").charAt(0));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.printf("<meta http-equiv='refresh' content='1;url=/member/list'>");
    out.println("<title>직원</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>직원 등록</h1>");

    try {
      InitServlet.memberDao.insert(m);
      InitServlet.sqlSessionFactory.openSession(false).commit();
      out.println("<p>등록 성공입니다!</p>");

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      out.println("<p>등록 실패입니다!</p>");
      e.printStackTrace();
    }

    out.println("</body>");
    out.println("</html>");
  }
}

 

MemberDeleteServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.util.AbstractServlet;

@WebServlet("/member/delete")
public class MemberDeleteServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) res;

    try {
      if (InitServlet.memberDao.delete(Integer.parseInt(request.getParameter("no"))) == 0) {
        throw new Exception("해당 번호의 직원이 없습니다!");
      } else {
        response.sendRedirect("/member/list");
      }
      InitServlet.sqlSessionFactory.openSession(false).commit();

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      throw new RuntimeException(e);
    }
  }

}

 

MemberDetailServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.report.vo.Member;
import bitcamp.util.AbstractServlet;

@WebServlet("/member/detail")
public class MemberDetailServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) res;

    Member member = InitServlet.memberDao.findBy(Integer.parseInt(request.getParameter("no")));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<title>직원</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>직원</h1>");

    if (member == null) {
      out.println("<p>해당 번호의 직원이 없습니다!</p>");
    } else {
      out.println("<form action='/member/update' method='post'>");
      out.println("<table border='1'>");
      out.printf("<tr><th style='width:120px;'>번호</th>"
          + " <td style='width:300px;'><input type='text' name='no' value='%d' readonly></td></tr>\n",
          member.getNo());
      out.printf("<tr><th>이름</th>" + " <td><input type='text' name='name' value='%s'></td></tr>\n",
          member.getName());
      out.printf(
          "<tr><th>전화번호</th>" + " <td><input type='tel' name='phone' value='%s'></td></tr>\n",
          member.getPhone());
      out.printf("<tr><th>암호</th>" + " <td><input type='password' name='password'></td></tr>\n",
          member.getName());
      out.printf(
          "<tr><th>직책</th>" + " <td><select name='position'>\n"
              + " <option value='0' %s>관리자</option>\n"
              + " <option value='1' %s>일반직원</option></select></td></tr>\n",
          (member.getPosition() == '0' ? "selected" : ""),
          (member.getPosition() == '1' ? "selected" : ""));
      out.println("</table>");

      out.println("<div>");
      out.println("<button>변경</button>");
      out.println("<button type='reset'>초기화</button>");
      out.printf("<a href='/member/delete?no=%d'>삭제</a>\n", member.getNo());
      out.println("<a href='/member/list'>목록</a>\n");
      out.println("</div>");
      out.println("</form>");
    }

    out.println("</body>");
    out.println("</html>");

  }
}

 

MemberListServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletResponse;
import bitcamp.report.vo.Member;
import bitcamp.util.AbstractServlet;

@WebServlet("/member/list")
public class MemberListServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletResponse response = (HttpServletResponse) res;

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<title>직원</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>직원 목록</h1>");
    out.println("<div style='margin:5px;'>");
    out.println("<a href='/member/form.html'>새 직원</a>");
    out.println("</div>");
    out.println("<table border='1'>");
    out.println("  <tr><th>번호</th> <th>이름</th> <th>전화번호</th></tr>");
    out.println("</thead>");

    out.println("<tbody>");
    List<Member> list = InitServlet.memberDao.findAll();
    for (Member m : list) {
      out.printf("<tr>" + " <td>%d</td>" + " <td><a href='/member/detail?no=%d'>%s</a></td>"
          + " <td>%s</td></tr>\n", m.getNo(), m.getNo(), m.getName(), m.getPhone());
    }

    out.println("</tbody>");
    out.println("</table>");
    out.println("<a href='/'>메인</a>");
    out.println("</body>");
    out.println("</html>");
  }

}

 

MemberUpdateServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.report.vo.Member;
import bitcamp.util.AbstractServlet;

@WebServlet("/member/update")
public class MemberUpdateServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) res;

    Member member = new Member();
    member.setNo(Integer.parseInt(request.getParameter("no")));
    member.setName(request.getParameter("name"));
    member.setPhone(request.getParameter("phone"));
    member.setPassword(request.getParameter("password"));
    member.setPosition(request.getParameter("position").charAt(0));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.printf("<meta http-equiv='refresh' content='1;url=/member/list'>");
    out.println("<title>직원</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>직원 변경</h1>");

    try {
      if (InitServlet.memberDao.update(member) == 0) {
        out.println("<p>회원이 없습니다.</p>");
      } else {
        InitServlet.sqlSessionFactory.openSession(false).commit();
        out.println("<p>변경했습니다!</p>");
      }

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      out.println("<p>변경 실패입니다!</p>");
      e.printStackTrace();
    }

    out.println("</body>");
    out.println("</html>");
  }

}

 

ItemAddServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.report.vo.Item;
import bitcamp.util.AbstractServlet;

@WebServlet("/item/add")
public class ItemAddServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) res;

    Item item = new Item();
    item.setName(request.getParameter("name"));
    item.setPrice(Integer.parseInt(request.getParameter("price")));
    item.setType(request.getParameter("type"));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.printf("<meta http-equiv='refresh' content='1;url=/item/list'>");
    out.println("<title>물품</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>물품 등록</h1>");

    try {
      InitServlet.itemDao.insert(item);
      InitServlet.sqlSessionFactory.openSession(false).commit();
      out.println("<p>등록 성공입니다!</p>");

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      out.println("<p>등록 실패입니다!</p>");
      e.printStackTrace();
    }

    out.println("</body>");
    out.println("</html>");
  }

}

 

ItemDeleteServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.util.AbstractServlet;

@WebServlet("/item/delete")
public class ItemDeleteServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) res;

    try {
      if (InitServlet.itemDao.delete(Integer.parseInt(request.getParameter("no"))) == 0) {
        throw new Exception("해당 번호의 물품이 없습니다!");
      } else {
        response.sendRedirect("/item/list");
      }
      InitServlet.sqlSessionFactory.openSession(false).commit();

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      throw new RuntimeException(e);
    }
  }

}

 

ItemListServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.report.vo.Item;
import bitcamp.util.AbstractServlet;

@WebServlet("/item/list")
public class ItemListServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletResponse response = (HttpServletResponse) res;

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<title>물품</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>물품 목록</h1>");
    out.println("<div style='margin:5px;'>");
    out.println("<a href='/item/form.html'>새 물품</a>");
    out.println("</div>");
    out.println("<table border='1'>");
    out.println("  <tr><th>번호</th> <th>물품 이름</th> <th>물품 가격</th> <th>물품 종류</th></tr>");
    out.println("</thead>");

    List<Item> list = InitServlet.itemDao.findAll();
    for (Item item : list) {
      out.printf(
          "<tr>" + " <td>%d</td>" + " <td><a href='/item/detail?no=%d'>%s</a></td>" + " <td>%d</td>"
              + " <td>%s</td></tr>\n",
          item.getNo(), item.getNo(), item.getName(), item.getPrice(), item.getType());
    }

    out.println("</tbody>");
    out.println("</table>");
    out.println("<a href='/'>메인</a>");
    out.println("</body>");
    out.println("</html>");

  }

}

 

ItemUpdateServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bitcamp.report.vo.Item;
import bitcamp.util.AbstractServlet;

@WebServlet("/item/update")
public class ItemUpdateServlet extends AbstractServlet {

  @Override
  public void service(ServletRequest req, ServletResponse res)
      throws ServletException, IOException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) res;

    Item item = new Item();
    item.setNo(Integer.parseInt(request.getParameter("no")));
    item.setName(request.getParameter("name"));
    item.setPrice(Integer.parseInt(request.getParameter("price")));
    item.setType(request.getParameter("type"));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.printf("<meta http-equiv='refresh' content='1;url=/item/list'>");
    out.println("<title>물품</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>물품 변경</h1>");

    try {
      if (InitServlet.itemDao.update(item) == 0) {
        out.println("<p>물품이 없습니다.</p>");
      } else {
        InitServlet.sqlSessionFactory.openSession(false).commit();
        out.println("<p>변경했습니다!</p>");
      }
    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      out.println("<p>변경 실패입니다!</p>");
      e.printStackTrace();
    }

    out.println("</body>");
    out.println("</html>");
  }

}

 

 

 

 

ㄴ AbstractServlet.java 파일 GenericServlet 이라는 이름으로 Rename 하기

=>

ㄴ GenericServlet.java 파일 제거

 

ㄴ Command + Shift + O 를 이용하여 모두 import 다시 해주기

 

 

ㄴ 해당 경고를 없애기 위해 모든 XxxXxxServlet.java 파일에 serial version ID 삽입해주기

=>

private static final long serialVersionUID = 1L;

=>

 

BoardAddServlet.java

ㄴ GenericServlet -> HttpServlet 으로 교체해주기

 

ㄴ XxxXxxServlet.java 파일의 service 메서드를 HttpServletRequest, HttpServletResponse 로 모두 변경해주기

 

BoardDeleteServlet.java

package bitcamp.report.handler;

import java.io.IOException;
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 bitcamp.report.vo.Board;
import bitcamp.report.vo.Member;

@WebServlet("/board/delete")
public class BoardDeleteServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    Member loginUser = (Member) request.getSession().getAttribute("loginUser");
    if (loginUser == null) {
      response.sendRedirect("/auth/form.html");
      return;
    }

    int category = Integer.parseInt(request.getParameter("category"));

    Board b = new Board();
    b.setNo(Integer.parseInt(request.getParameter("no")));
    b.setWriter(loginUser);
    b.setCategory(category);

    try {
      if (InitServlet.boardDao.delete(b) == 0) {
        throw new Exception("해당 번호의 게시글이 없거나 삭제 권한이 없습니다.");
      } else {
        response.sendRedirect("/board/list?category=" + category);
      }
      InitServlet.sqlSessionFactory.openSession(false).commit();

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      throw new RuntimeException(e);
    }
  }

}

 

BoardDetailServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
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 bitcamp.report.vo.Board;

@WebServlet("/board/detail")
public class BoardDetailServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    Board board = InitServlet.boardDao.findBy(Integer.parseInt(request.getParameter("category")),
        Integer.parseInt(request.getParameter("no")));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<title>게시글</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>게시글</h1>");

    if (board == null) {
      out.println("<p>해당 번호의 게시글이 없습니다!</p>");
    } else {
      out.println("<form action='/board/update' method='post'>");
      out.printf("<input type='hidden' name='category' value='%d'>\n", board.getCategory());
      out.println("<table border='1'>");
      out.printf("<tr><th style='width:120px;'>번호</th>"
          + " <td style='width:300px;'><input type='text' name='no' value='%d' readonly='readonly'></td></tr>\n",
          board.getNo());
      out.printf("<tr><th>제목</th>" + " <td><input type='text' name='title' value='%s'></td></tr>\n",
          board.getTitle());
      out.printf("<tr><th>내용</th>"
          + " <td><textarea name='content' style='height:200px; width:400px;'>%s</textarea></td></tr>\n",
          board.getContent());
      out.printf("<tr><th>작성자</th> <td>%s</td></tr>\n", board.getWriter().getName());
      out.printf("<tr><th>조회수</th> <td>%d</td></tr>\n", board.getViewCount());
      out.printf("<tr><th>등록일</th> <td>%tY-%1$tm-%1$td</td></tr>\n", board.getCreatedDate());
      out.println("</table>");

      out.println("<div>");
      out.println("<button>변경</button>");
      out.println("<button type='reset'>초기화</button>");
      out.printf("<a href='/board/delete?category=%d&no=%d'>삭제</a>\n", board.getCategory(),
          board.getNo());
      out.printf("<a href='/board/list?category=%d'>목록</a>", board.getCategory());
      out.println("</div>");
      out.println("</form>");

      try {
        board.setViewCount(board.getViewCount() + 1);
        InitServlet.boardDao.updateCount(board);
        InitServlet.sqlSessionFactory.openSession(false).commit();

      } catch (Exception e) {
        InitServlet.sqlSessionFactory.openSession(false).rollback();
      }
    }
    out.println("</body>");
    out.println("</html>");
  }
}

 

BoardFormServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/board/form")
public class BoardFormServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    int category = Integer.parseInt(request.getParameter("category"));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<title>비트캠프</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>게시글</h1>");
    out.println("<form action='/board/add' method='post'>");
    out.println("제목 <input type='text' name='title'><br>");
    out.println("내용 <textarea name='content'></textarea><br>");
    out.printf("<input type='hidden' name='category' value='%d'>\n", category);
    out.println("<button>등록</button>");
    out.println("</form>");
    out.println("</body>");
    out.println("</html>");
  }

}

 

BoardListServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.List;
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 bitcamp.report.vo.Board;

@WebServlet("/board/list")
public class BoardListServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd");

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    int category = Integer.parseInt(request.getParameter("category"));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();

    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<title>게시글</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>게시글 목록</h1>");
    out.println("<div style='margin:5px;'>");
    out.printf("<a href='/board/form?category=%d'>새 글</a>\n", category);
    out.println("</div>");
    out.println("<table border='1'>");
    out.println("<thead>");
    out.println("   <tr><th>번호</th> <th>제목</th> <th>작성자</th> <th>조회수</th> <th>등록일</th></tr>");
    out.println("</thead>");

    List<Board> list = InitServlet.boardDao.findAll(category);

    out.println("<tbody>");
    for (Board board : list) {
      out.printf(
          "<tr>" + " <td>%d</td>" + " <td><a href='/board/detail?category=%d&no=%d'>%s</a></td>"
              + " <td>%s</td>" + " <td>%d</td>" + " <td>%s</td></tr>\n",
          board.getNo(), board.getCategory(), board.getNo(),
          (board.getTitle().length() > 0 ? board.getTitle() : "제목없음"), board.getWriter().getName(),
          board.getViewCount(), dateFormatter.format(board.getCreatedDate()));
    }
    out.println("</tbody>");
    out.println("</table>");
    out.println("<a href='/'>메인</a>");
    out.println("</body>");
    out.println("</html>");
  }

}

 

BoardUpdateServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
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 bitcamp.report.vo.Board;
import bitcamp.report.vo.Member;

@WebServlet("/board/update")
public class BoardUpdateServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    Member loginUser = (Member) request.getSession().getAttribute("loginUser");
    if (loginUser == null) {
      response.sendRedirect("/auth/form.html");
      return;
    }

    int category = Integer.parseInt(request.getParameter("category"));

    Board board = new Board();
    board.setNo(Integer.parseInt(request.getParameter("no")));
    board.setTitle(request.getParameter("title"));
    board.setContent(request.getParameter("content"));
    board.setWriter(loginUser);
    board.setCategory(category);

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.printf("<meta http-equiv='refresh' content='1;url=/board/list?category=%d'>", category);
    out.println("<title>게시글</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>게시글 변경</h1>");

    try {
      if (InitServlet.boardDao.update(board) == 0) {
        out.println("<p>게시글이 없거나 변경 권한이 없습니다.</p>");
      } else {
        out.println("<p>변경했습니다!</p>");
      }
      InitServlet.sqlSessionFactory.openSession(false).commit();

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      out.println("<p>게시글 변경 실패입니다!</p>");
      e.printStackTrace();
    }
    out.println("</body>");
    out.println("</html>");
  }

}

 

initServlet.java

package bitcamp.report.handler;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import bitcamp.report.dao.BoardDao;
import bitcamp.report.dao.ItemDao;
import bitcamp.report.dao.MemberDao;
import bitcamp.report.dao.MySQLBoardDao;
import bitcamp.report.dao.MySQLItemDao;
import bitcamp.report.dao.MySQLMemberDao;
import bitcamp.util.SqlSessionFactoryProxy;

@WebServlet(value = "/init", loadOnStartup = 1)
public class InitServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  public static SqlSessionFactory sqlSessionFactory;
  public static BoardDao boardDao;
  public static MemberDao memberDao;
  public static ItemDao itemDao;

  @Override
  public void init() throws ServletException {
    System.out.println("InitServlet.init() 호출됨!");

    try {
      sqlSessionFactory = new SqlSessionFactoryProxy(new SqlSessionFactoryBuilder()
          .build(Resources.getResourceAsStream("bitcamp/report/config/mybatis-config.xml")));

      boardDao = new MySQLBoardDao(sqlSessionFactory);
      memberDao = new MySQLMemberDao(sqlSessionFactory);
      itemDao = new MySQLItemDao(sqlSessionFactory);

    } catch (Exception e) {
      System.out.println("InitServlet.init() 실행 중 오류 발생!");
      e.printStackTrace();
    }
  }
}

 

ItemAddServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
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 bitcamp.report.vo.Item;

@WebServlet("/item/add")
public class ItemAddServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    Item item = new Item();
    item.setName(request.getParameter("name"));
    item.setPrice(Integer.parseInt(request.getParameter("price")));
    item.setType(request.getParameter("type"));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.printf("<meta http-equiv='refresh' content='1;url=/item/list'>");
    out.println("<title>물품</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>물품 등록</h1>");

    try {
      InitServlet.itemDao.insert(item);
      InitServlet.sqlSessionFactory.openSession(false).commit();
      out.println("<p>등록 성공입니다!</p>");

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      out.println("<p>등록 실패입니다!</p>");
      e.printStackTrace();
    }

    out.println("</body>");
    out.println("</html>");
  }

}

 

ItemDeleteServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/item/delete")
public class ItemDeleteServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    try {
      if (InitServlet.itemDao.delete(Integer.parseInt(request.getParameter("no"))) == 0) {
        throw new Exception("해당 번호의 물품이 없습니다!");
      } else {
        response.sendRedirect("/item/list");
      }
      InitServlet.sqlSessionFactory.openSession(false).commit();

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      throw new RuntimeException(e);
    }
  }

}

 

ItemDetailServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
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 bitcamp.report.vo.Item;

@WebServlet("/item/detail")
public class ItemDetailServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    Item item = InitServlet.itemDao.findBy(Integer.parseInt(request.getParameter("no")));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<title>물품</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>물품</h1>");

    if (item == null) {
      out.println("<p>해당 번호의 물품이 없습니다!</p>");
    } else {
      out.println("<form action='/item/update'>");
      out.println("<table border='1'>");
      out.printf("<tr><th style='width:120px;'>번호</th>"
          + " <td style='width:300px;'><input type='text' name='no' value='%d' readonly></td></tr>\n",
          item.getNo());
      out.printf(
          "<tr><th>물품 이름</th>" + " <td><input type='text' name='name' value='%s'></td></tr>\n",
          item.getName());
      out.printf(
          "<tr><th>물품 가격</th>" + " <td><input type='text' name='price' value='%d'></td></tr>\n",
          item.getPrice());
      out.printf("<tr><th>물품 종류</th>" + " <td><select name='type'>\n"
          + " <option value='식료품' %s>식료품</option>\n" + " <option value='생활용품' %s>생활용품</option>\n"
          + " <option value='의류' %s>의류</option>\n" + " <option value='가전제품' %s>가전제품</option>\n"
          + " <option value='리빙' %s>리빙</option></select></td></tr>\n",
          (item.getType() == "식료품" ? "selected" : ""), (item.getType() == "생활용품" ? "selected" : ""),
          (item.getType() == "의류" ? "selected" : ""), (item.getType() == "가전제품" ? "selected" : ""),
          (item.getType() == "리빙" ? "selected" : ""));
      out.println("</table>");

      out.println("<div>");
      out.println("<button>변경</button>");
      out.println("<button type='reset'>초기화</button>");
      out.printf("<a href='/item/delete?no=%d'>삭제</a>\n", item.getNo());
      out.println("<a href='/item/list'>목록</a>\n");
      out.println("</div>");
      out.println("</form>");
    }

    out.println("</body>");
    out.println("</html>");
  }

}

 

ItemListServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
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 bitcamp.report.vo.Item;

@WebServlet("/item/list")
public class ItemListServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<title>물품</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>물품 목록</h1>");
    out.println("<div style='margin:5px;'>");
    out.println("<a href='/item/form.html'>새 물품</a>");
    out.println("</div>");
    out.println("<table border='1'>");
    out.println("  <tr><th>번호</th> <th>물품 이름</th> <th>물품 가격</th> <th>물품 종류</th></tr>");
    out.println("</thead>");

    List<Item> list = InitServlet.itemDao.findAll();
    for (Item item : list) {
      out.printf(
          "<tr>" + " <td>%d</td>" + " <td><a href='/item/detail?no=%d'>%s</a></td>" + " <td>%d</td>"
              + " <td>%s</td></tr>\n",
          item.getNo(), item.getNo(), item.getName(), item.getPrice(), item.getType());
    }

    out.println("</tbody>");
    out.println("</table>");
    out.println("<a href='/'>메인</a>");
    out.println("</body>");
    out.println("</html>");

  }

}

 

ItemUpdateServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
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 bitcamp.report.vo.Item;

@WebServlet("/item/update")
public class ItemUpdateServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    Item item = new Item();
    item.setNo(Integer.parseInt(request.getParameter("no")));
    item.setName(request.getParameter("name"));
    item.setPrice(Integer.parseInt(request.getParameter("price")));
    item.setType(request.getParameter("type"));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.printf("<meta http-equiv='refresh' content='1;url=/item/list'>");
    out.println("<title>물품</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>물품 변경</h1>");

    try {
      if (InitServlet.itemDao.update(item) == 0) {
        out.println("<p>물품이 없습니다.</p>");
      } else {
        InitServlet.sqlSessionFactory.openSession(false).commit();
        out.println("<p>변경했습니다!</p>");
      }
    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      out.println("<p>변경 실패입니다!</p>");
      e.printStackTrace();
    }

    out.println("</body>");
    out.println("</html>");
  }

}

 

LoginServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
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 bitcamp.report.vo.Member;

@WebServlet("/auth/login")
public class LoginServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    Member m = new Member();
    m.setPhone(request.getParameter("phone"));
    m.setPassword(request.getParameter("password"));

    Member loginUser = InitServlet.memberDao.findByPhoneAndPassword(m);

    if (loginUser != null) {
      // 로그인 정보를 다른 요청에도 사용할 수 있도록 세션 보관소에 담아 둔다.
      request.getSession().setAttribute("loginUser", loginUser);
      response.sendRedirect("/");
      return;
    }

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<meta http-equib='refresh' content='1;url=/auth/form.html'>");
    out.println("<title>로그인</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<p>회원 정보가 일치하지 않습니다.<p>");
    out.println("</body>");
    out.println("</html>");
  }
}

 

MemberAddServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
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 bitcamp.report.vo.Member;

@WebServlet("/member/add")
public class MemberAddServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    Member m = new Member();
    m.setName(request.getParameter("name"));
    m.setPhone(request.getParameter("phone"));
    m.setPassword(request.getParameter("password"));
    m.setPosition(request.getParameter("position").charAt(0));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.printf("<meta http-equiv='refresh' content='1;url=/member/list'>");
    out.println("<title>직원</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>직원 등록</h1>");

    try {
      InitServlet.memberDao.insert(m);
      InitServlet.sqlSessionFactory.openSession(false).commit();
      out.println("<p>등록 성공입니다!</p>");

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      out.println("<p>등록 실패입니다!</p>");
      e.printStackTrace();
    }

    out.println("</body>");
    out.println("</html>");
  }
}

 

MemberDeleteServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/member/delete")
public class MemberDeleteServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    try {
      if (InitServlet.memberDao.delete(Integer.parseInt(request.getParameter("no"))) == 0) {
        throw new Exception("해당 번호의 직원이 없습니다!");
      } else {
        response.sendRedirect("/member/list");
      }
      InitServlet.sqlSessionFactory.openSession(false).commit();

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      throw new RuntimeException(e);
    }
  }

}

 

MemberDetailServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
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 bitcamp.report.vo.Member;

@WebServlet("/member/detail")
public class MemberDetailServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    Member member = InitServlet.memberDao.findBy(Integer.parseInt(request.getParameter("no")));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<title>직원</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>직원</h1>");

    if (member == null) {
      out.println("<p>해당 번호의 직원이 없습니다!</p>");
    } else {
      out.println("<form action='/member/update' method='post'>");
      out.println("<table border='1'>");
      out.printf("<tr><th style='width:120px;'>번호</th>"
          + " <td style='width:300px;'><input type='text' name='no' value='%d' readonly></td></tr>\n",
          member.getNo());
      out.printf("<tr><th>이름</th>" + " <td><input type='text' name='name' value='%s'></td></tr>\n",
          member.getName());
      out.printf(
          "<tr><th>전화번호</th>" + " <td><input type='tel' name='phone' value='%s'></td></tr>\n",
          member.getPhone());
      out.printf("<tr><th>암호</th>" + " <td><input type='password' name='password'></td></tr>\n",
          member.getName());
      out.printf(
          "<tr><th>직책</th>" + " <td><select name='position'>\n"
              + " <option value='0' %s>관리자</option>\n"
              + " <option value='1' %s>일반직원</option></select></td></tr>\n",
          (member.getPosition() == '0' ? "selected" : ""),
          (member.getPosition() == '1' ? "selected" : ""));
      out.println("</table>");

      out.println("<div>");
      out.println("<button>변경</button>");
      out.println("<button type='reset'>초기화</button>");
      out.printf("<a href='/member/delete?no=%d'>삭제</a>\n", member.getNo());
      out.println("<a href='/member/list'>목록</a>\n");
      out.println("</div>");
      out.println("</form>");
    }

    out.println("</body>");
    out.println("</html>");

  }
}

 

MemberListServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
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 bitcamp.report.vo.Member;

@WebServlet("/member/list")
public class MemberListServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.println("<title>직원</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>직원 목록</h1>");
    out.println("<div style='margin:5px;'>");
    out.println("<a href='/member/form.html'>새 직원</a>");
    out.println("</div>");
    out.println("<table border='1'>");
    out.println("  <tr><th>번호</th> <th>이름</th> <th>전화번호</th></tr>");
    out.println("</thead>");

    out.println("<tbody>");
    List<Member> list = InitServlet.memberDao.findAll();
    for (Member m : list) {
      out.printf("<tr>" + " <td>%d</td>" + " <td><a href='/member/detail?no=%d'>%s</a></td>"
          + " <td>%s</td></tr>\n", m.getNo(), m.getNo(), m.getName(), m.getPhone());
    }

    out.println("</tbody>");
    out.println("</table>");
    out.println("<a href='/'>메인</a>");
    out.println("</body>");
    out.println("</html>");
  }

}

 

MemberUpdateServlet.java

package bitcamp.report.handler;

import java.io.IOException;
import java.io.PrintWriter;
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 bitcamp.report.vo.Member;

@WebServlet("/member/update")
public class MemberUpdateServlet extends HttpServlet {

  private static final long serialVersionUID = 1L;

  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    Member member = new Member();
    member.setNo(Integer.parseInt(request.getParameter("no")));
    member.setName(request.getParameter("name"));
    member.setPhone(request.getParameter("phone"));
    member.setPassword(request.getParameter("password"));
    member.setPosition(request.getParameter("position").charAt(0));

    response.setContentType("text/html;charset=UTF-8");
    PrintWriter out = response.getWriter();
    out.println("<!DOCTYPE html>");
    out.println("<html>");
    out.println("<head>");
    out.println("<meta charset='UTF-8'>");
    out.printf("<meta http-equiv='refresh' content='1;url=/member/list'>");
    out.println("<title>직원</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<h1>직원 변경</h1>");

    try {
      if (InitServlet.memberDao.update(member) == 0) {
        out.println("<p>회원이 없습니다.</p>");
      } else {
        InitServlet.sqlSessionFactory.openSession(false).commit();
        out.println("<p>변경했습니다!</p>");
      }

    } catch (Exception e) {
      InitServlet.sqlSessionFactory.openSession(false).rollback();
      out.println("<p>변경 실패입니다!</p>");
      e.printStackTrace();
    }

    out.println("</body>");
    out.println("</html>");
  }

}

 

 

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