index.html
<html>
<head>
<title>User Authentication</title>
<style>
form{
width: 50%;
}
legend {
display: block;
padding-left: 10px;
padding-right: 10px;
border: 3px solid green;
background-color:tomato;
color:white;;
}
</style>
</head>
<body>
<div>
<fieldset>
<legend> DOODLE LOGIN ::</legend>
<form method="get" action="authservlet">
<b>User Name: </b> <input type="text" name="uname"><br><br>
<b>Password: </b> <input type="password" name="pswd"><br><br>
<input type="submit" value="Submit">
</form>
</fieldset>
</div>
</body>
</html>
authservlet.java
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class authservlet extends HttpServlet {
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 authservlet</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Servlet authservlet at " + request.getContextPath() + "</h1>");
out.println("</body>");
out.println("</html>");
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
try (PrintWriter out = response.getWriter()) {
String s1 = request.getParameter("uname");
String s2 = request.getParameter("pswd");
if ((s1.equals("gidol26654@rubeshi.com"))&& (s2.equals("cat"))){
out.println("<br><br><br><br><br><center><h1>Login Successful !!!!<h1><center>");
}else{
out.println("<br><br><br><br><br><center><h1>Incorrect Entry -Try Again !!!!!<h1><center>");
}
}
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}
OUTPUT:
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