package sessionTracking2;
import java.io.*;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.Person;
@WebServlet("/testSessions")
public class testSessions extends HttpServlet {
private static final long serialVersionUID = 1L;
public testSessions() {
super();
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html)");
PrintWriter writer = response.getWriter();
HttpSession session = request.getSession();
Person p = (Person)session.getAttribute("person");
int visitCount = (Integer)session.getAttribute("visits");
if(p == null){
visitCount = 1;
session.setAttribute("visits", visitCount);
writer.println(" Testing ");
writer.println("");
writer.println(" Hmm never see you before...
");
writer.println("");
writer.println("");
writer.println("");
}
else
{
visitCount += 1;
session.setAttribute("visits", visitCount);
session.setAttribute("person", p);
writer.println(" Testing ");
writer.println(" Welcome back!!!
");
writer.println("");
writer.println("| Firstname | " + p.getFirstName() + " |
");
writer.println("| Lastname | " + p.getLastName() + " |
");
writer.println("| Age | " + p.getAge() + " |
");
writer.println("| Visit | " + visitCount + " |
");
writer.println("");
}
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
HttpSession session = request.getSession();
String ln = request.getParameter("ln");
String fn = request.getParameter("fn");
int age = Integer.parseInt(request.getParameter("age"));
Person person = new Person(fn, ln, age);
session.setAttribute("person", person);
response.setHeader("Refresh", "1");
}
}