import
jakarta.servlet.*;
import
jakarta.servlet.http.*;
import
java.io.IOException;
import
java.io.PrintWriter;
public
class
Servlet2
extends
HttpServlet {
protected
void
processRequest(HttpServletRequest request,
HttpServletResponse response)
throws
ServletException, IOException
{
response.setContentType(
"text/html;charset=UTF-8"
);
try
(PrintWriter out = response.getWriter()) {
out.println(
"<!DOCTYPE html>"
);
out.println(
"<html>"
);
out.println(
"<head>"
);
out.println(
"<title>Servlet Servlet2</title>"
);
out.println(
"</head>"
);
out.println(
"<body>"
);
Cookie[] cookies = request.getCookies();
boolean
f =
false
;
String name =
""
;
if
(cookies ==
null
) {
out.println(
"<h1>You are new user, go to home page and submit your institute's name"
);
return
;
}
else
{
for
(Cookie c : cookies) {
String tname = c.getName();
if
(tname.equals(
"user_name"
)) {
f =
true
;
name = c.getValue();
}
}
}
if
(f) {
out.println(
"<h1> Hello, welcome back "
+ name +
" </h1>"
);
out.println(
"<h2>Thank you!!</h2>"
);
}
else
{
out.println(
"<h1>You are new user, go to home page and submit your institute's name"
);
}
out.println(
"</body>"
);
out.println(
"</html>"
);
}
}
}