servlet.java
· 1.6 KiB · Java
Raw
1. LoginServlet.java:-
import java.io.IOException;
import java.io.PrintWriter;
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;
@WebServlet("/Login")
public class LoginServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// your code here
String email = request.getParameter("email");
String password = request.getParameter("password");
boolean validated = Validate.checkUser(email, password);
PrintWriter writer = response.getWriter();
if(validated){
RequestDispatcher dispatcher = request.getRequestDispatcher("Welcome");
dispatcher.forward(request, response);
}else{
writer.write("Username or Password incorrect");
}
}
}
2. WelcomeServlet.java:-
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("/Welcome")
public class WelcomeServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//your code here
PrintWriter writer = response.getWriter();
writer.write("Welcome user");
}
}
| 1 | 1. LoginServlet.java:- |
| 2 | |
| 3 | import java.io.IOException; |
| 4 | import java.io.PrintWriter; |
| 5 | |
| 6 | import javax.servlet.RequestDispatcher; |
| 7 | import javax.servlet.ServletException; |
| 8 | import javax.servlet.annotation.WebServlet; |
| 9 | import javax.servlet.http.HttpServlet; |
| 10 | import javax.servlet.http.HttpServletRequest; |
| 11 | import javax.servlet.http.HttpServletResponse; |
| 12 | |
| 13 | @WebServlet("/Login") |
| 14 | public class LoginServlet extends HttpServlet { |
| 15 | private static final long serialVersionUID = 1L; |
| 16 | |
| 17 | public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { |
| 18 | // your code here |
| 19 | String email = request.getParameter("email"); |
| 20 | String password = request.getParameter("password"); |
| 21 | boolean validated = Validate.checkUser(email, password); |
| 22 | PrintWriter writer = response.getWriter(); |
| 23 | if(validated){ |
| 24 | RequestDispatcher dispatcher = request.getRequestDispatcher("Welcome"); |
| 25 | dispatcher.forward(request, response); |
| 26 | }else{ |
| 27 | writer.write("Username or Password incorrect"); |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | } |
| 32 | |
| 33 | 2. WelcomeServlet.java:- |
| 34 | |
| 35 | import java.io.IOException; |
| 36 | import java.io.PrintWriter; |
| 37 | |
| 38 | import javax.servlet.ServletException; |
| 39 | import javax.servlet.annotation.WebServlet; |
| 40 | import javax.servlet.http.HttpServlet; |
| 41 | import javax.servlet.http.HttpServletRequest; |
| 42 | import javax.servlet.http.HttpServletResponse; |
| 43 | |
| 44 | @WebServlet("/Welcome") |
| 45 | public class WelcomeServlet extends HttpServlet { |
| 46 | private static final long serialVersionUID = 1L; |
| 47 | public void doPost(HttpServletRequest request, HttpServletResponse response) |
| 48 | throws ServletException, IOException { |
| 49 | //your code here |
| 50 | PrintWriter writer = response.getWriter(); |
| 51 | writer.write("Welcome user"); |
| 52 | |
| 53 | } |
| 54 | } |
| 55 |