import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class ServletController extends HttpServlet {


    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
        doAction(req,resp);
    }

    private void doAction(HttpServletRequest req, HttpServletResponse resp) {
        Cachorro cachorro = new Cachorro("Zica");
        HttpSession session = req.getSession();
        session.setMaxInactiveInterval(-1);
        session.setAttribute("cachorro", cachorro);
        session.removeAttribute("cachorro");

    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
        doAction(req, resp);
    }
}