[ch05] 5.7, solved exercise.

Signed-off-by: Dongho Sim <dhsim86@gmail.com>

src/main/java/Lesson04/MemberAddServlet.java

@@ -15,7 +15,7 @@
 /**
  * Created by Dongho on 2017. 3. 1..
  */
-@WebServlet("/member/add")
+@WebServlet("/member/Lesson04/add")
 public class MemberAddServlet extends HttpServlet {
 
     @Override

src/main/java/Lesson04/MemberDeleteServlet.java

@@ -14,7 +14,7 @@
 /**
  * Created by Dongho on 2017. 3. 7..
  */
-@WebServlet("/member/delete")
+@WebServlet("/member/Lesson04/delete")
 public class MemberDeleteServlet extends HttpServlet {
 
     @Override

src/main/java/Lesson05/MemberAddServlet.java

@@ -0,0 +1,68 @@
+package Lesson05;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletContext;
+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 java.io.IOException;
+import java.io.PrintWriter;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+
+/**
+ * Created by Dongho on 2017. 3. 1..
+ */
+@WebServlet("/member/add")
+public class MemberAddServlet extends HttpServlet {
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response)
+        throws ServletException, IOException {
+
+        RequestDispatcher rd = request.getRequestDispatcher(
+            "/Lesson05/MemberAdd.jsp"
+        );
+
+        rd.include(request, response);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response)
+        throws ServletException, IOException {
+
+        Connection conn = null;
+        PreparedStatement stmt = null;
+
+        try {
+            ServletContext sc = this.getServletContext();
+
+            conn = (Connection) sc.getAttribute("conn");
+
+            stmt = conn.prepareStatement(
+                "insert into members(email, pwd, mname, cre_date, mod_date)" +
+                " values(?, ?, ?, now(), now())"
+            );
+            stmt.setString(1, request.getParameter("email"));
+            stmt.setString(2, request.getParameter("password"));
+            stmt.setString(3, request.getParameter("name"));
+            stmt.executeUpdate();
+
+            response.sendRedirect("list");
+        }
+        catch (Exception e) {
+
+            request.setAttribute("error", e);
+
+            RequestDispatcher rd = request.getRequestDispatcher(
+                "/Lesson05/Error.jsp"
+            );
+            rd.forward(request, response);
+        }
+        finally {
+            try { if (stmt != null) stmt.close(); } catch (Exception e) {}
+        }
+    }
+}

src/main/java/Lesson05/MemberDeleteServlet.java

@@ -0,0 +1,54 @@
+package Lesson05;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletContext;
+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 java.io.IOException;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+
+/**
+ * Created by Dongho on 2017. 3. 7..
+ */
+@WebServlet("/member/delete")
+public class MemberDeleteServlet extends HttpServlet {
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response)
+        throws ServletException, IOException {
+
+        Connection conn = null;
+        PreparedStatement stmt = null;
+
+        try {
+
+            ServletContext sc = this.getServletContext();
+
+            conn = (Connection) sc.getAttribute("conn");
+            stmt = conn.prepareStatement(
+                "delete from members" +
+                " where mno = ?"
+            );
+            stmt.setInt(1, Integer.parseInt(request.getParameter("no")));
+
+            stmt.executeUpdate();
+            response.sendRedirect("list");
+        }
+        catch (Exception e) {
+
+            request.setAttribute("error", e);
+
+            RequestDispatcher rd = request.getRequestDispatcher(
+                "/Lesson05/Error.jsp"
+            );
+            rd.forward(request, response);
+        }
+        finally {
+            try { if (stmt != null) stmt.close(); } catch (Exception e) {}
+        }
+    }
+}

src/main/java/Lesson05/MemberUpdateServlet.java

@@ -0,0 +1,106 @@
+package Lesson05;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletContext;
+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 java.io.IOException;
+import java.io.PrintWriter;
+import java.sql.*;
+
+/**
+ * Created by Dongho on 2017. 3. 7..
+ */
+@WebServlet("/member/update")
+public class MemberUpdateServlet extends HttpServlet {
+
+    @Override
+    public void doGet(
+        HttpServletRequest request, HttpServletResponse response
+    ) throws ServletException, IOException {
+
+        Connection conn = null;
+        Statement stmt = null;
+        ResultSet rs = null;
+
+        try {
+            ServletContext sc = this.getServletContext();
+
+            Class.forName(sc.getInitParameter("driver"));
+            conn = DriverManager.getConnection(
+                sc.getInitParameter("url"),
+                sc.getInitParameter("username"),
+                sc.getInitParameter("password")
+            );
+            stmt = conn.createStatement();
+            rs = stmt.executeQuery(
+                "select mno, email, mname, cre_date from members" +
+                " where mno = " + request.getParameter("no")
+            );
+
+            response.setContentType("text/html; charset=UTF-8");
+            rs.next();
+
+            Member member = new Member()
+                    .setNo(Integer.parseInt(request.getParameter("no")))
+                    .setEmail(rs.getString("email"))
+                    .setName(rs.getString("mname"))
+                    .setCreatedDate(rs.getDate("cre_date"));
+
+            request.setAttribute("member", member);
+
+            RequestDispatcher rd = request.getRequestDispatcher(
+                "/Lesson05/MemberUpdate.jsp"
+            );
+            rd.include(request, response);
+        }
+        catch (Exception e) {
+
+            request.setAttribute("error", e);
+
+            RequestDispatcher rd = request.getRequestDispatcher(
+                "/Lesson05/Error.jsp"
+            );
+            rd.forward(request, response);
+        }
+        finally {
+            try { if (rs != null) rs.close(); } catch (Exception e) {}
+            try { if (stmt != null) stmt.close(); } catch (Exception e) {}
+            try { if (conn != null) conn.close(); } catch (Exception e) {}
+        }
+    }
+
+    @Override
+    protected void doPost(
+        HttpServletRequest request, HttpServletResponse response
+    ) throws ServletException, IOException {
+
+        Connection conn = null;
+        PreparedStatement stmt = null;
+
+        try {
+            ServletContext sc = this.getServletContext();
+
+            conn = (Connection) sc.getAttribute("conn");
+            stmt = conn.prepareStatement(
+                "update members set email = ?, mname = ?, mod_date = now()" +
+                " where mno = ?"
+            );
+            stmt.setString(1, request.getParameter("email"));
+            stmt.setString(2, request.getParameter("name"));
+            stmt.setInt(3, Integer.parseInt(request.getParameter("no")));
+
+            stmt.executeUpdate();
+            response.sendRedirect("list");
+        }
+        catch (Exception e) {
+            throw new ServletException(e);
+        }
+        finally {
+            try { if (stmt != null) stmt.close(); } catch (Exception e) {}
+        }
+    }
+}

src/main/webapp/Lesson05/MemberAdd.jsp

@@ -0,0 +1,29 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: Dongho
+  Date: 2017. 3. 11.
+  Time: PM 6:01
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<!DOCTYPE html>
+<html>
+<head>
+    <title>register member</title>
+</head>
+<body>
+    <jsp:include page="Header.jsp" />
+    <h1>register member</h1>
+
+    <form action="add" method="post">
+
+        name: <input type="text" name="name"> <br>
+        email: <input type="text" name="email"> <br>
+        password: <input type="password" name="password"> <br>
+        <input type="submit" value="register">
+        <input type="reset" value="clear">
+
+    </form>
+    <jsp:include page="Tail.jsp" />
+</body>
+</html>

src/main/webapp/Lesson05/MemberUpdate.jsp

@@ -0,0 +1,36 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: Dongho
+  Date: 2017. 3. 11.
+  Time: PM 6:11
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<jsp:useBean id="member"
+             scope="request"
+             class="Lesson05.Member"
+             type="Lesson05.Member" />
+<!DOCTYPE html>
+<html>
+<head>
+    <title>member info</title>
+</head>
+<body>
+    <h1>member info</h1>
+
+    <form action="update" method="post">
+
+        number: <input type="text" name="no" value="<%=member.getNo()%>" readonly><br>
+        name: <input type="text" name="name" value="<%=member.getName()%>"> <br>
+        email: <input type="text" name="email" value="<%=member.getEmail()%>"> <br>
+        registered date: <%=member.getCreatedDate()%> <br>
+
+        <input type="submit" value="save">
+        <input type="button" value="delete"
+           onclick="location.href='delete?no=<%=member.getNo()%>'">
+        <input type="button" value="cancel"
+           onclick="location.href='list'">
+
+    </form>
+</body>
+</html>

src/main/webapp/WEB-INF/web.xml

@@ -92,7 +92,7 @@
 
     <servlet-mapping>
         <servlet-name>MemberUpdateServlet</servlet-name>
-        <url-pattern>/member/update</url-pattern>
+        <url-pattern>/member/Lesson04/update</url-pattern>
     </servlet-mapping>
     <!--
     <servlet-mapping>