package servlets;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
* This is a simple example of an HTTP Servlet. It responds to the GET
* method of the HTTP protocol.
*/
public class ResponseServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
PrintWriter out = response.getWriter();
// then write the data of the response
String username = request.getParameter("username");
if ((username != null) && (username.length() > 0)) {
out.println("<h2>Hello, " + username + "!</h2>");
}
HttpSession session = request.getSession();
out.println("<h2>You live in " + session.getAttribute("city") + "!</h2>");
out.println("<h2>Your age is " + session.getAttribute("age") + "!</h2>");
}
public String getServletInfo() {
return "The Response servlet says hello.";
}
}