DEA-Assignment/signupservlet.java at master · limasha/DEA-Assignment · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author acer
 */
public class signupservlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet signupservlet</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet signupservlet at " + request.getContextPath() + "</h1>");
            out.println("</body>");
            out.println("</html>");
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
       // processRequest(request, response);
        try (PrintWriter out = response.getWriter()) {
        String firstname = request.getParameter("firstname");
        String lastname = request.getParameter("lastname");
        String username = request.getParameter("username");
        String address = request.getParameter("address");
        int contactnumber = Integer.parseInt(request.getParameter("contactnumber"));
        String email = request.getParameter("email");
        String password = request.getParameter("password");

        if(username.equals("uniqe")){
           RequestDispatcher rd = request.getRequestDispatcher("signupsuccess.jsp");
                rd.forward(request,response);}
        else
           response.sendRedirect("signuperror.jsp");


       try {

        String driver="com.mysql.jdbc.Driver";
         Class.forName(driver);
         String url="jdbc:mysql://localhost:3306/userdb";
         Connection con=DriverManager.getConnection(url,"root","");
         String sql= "INSERT INTO user  VALUES('"+firstname+"', '"+lastname+"' , '"+email+"', '"+username+"','"+password+"','"+address+"',"+contactnumber+")";
         Statement st=con.createStatement();
         st.executeUpdate(sql);


       }
       catch(ClassNotFoundException | SQLException ex){
         out.println(ex);
       }
       }

    }
    }