package test.web;

import java.io.IOException;
import java.io.PrintWriter;
import java.security.Principal;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class TestServlet extends HttpServlet {

//    @EJB
//    TestService ts;

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet TestServlet</title>");
            out.println("</head>");
            out.println("<body>");
//            out.println("<h3>Response from EJB: " + msg1 + " </h3>");
//            out.println("<h3>Response from EJB: " + msg2 + " </h3>");

            test(request, out);

            out.println("</body>");
            out.println("</html>");
        } finally {
            out.close();
        }
    }

    void test(HttpServletRequest request, PrintWriter out) throws ServletException {
        Principal me = request.getUserPrincipal();
        if (me != null) {
            out.println("There was already a principal logged in with name ");
            out.println(me.getName() + "<br/>That's what we want to see.<br/>");
            out.println("Now logging out before returning.");
            request.logout();
            return;
        }

        out.println("request.getUserPrincipal returned null. Logging into default realm. <br/>");
        request.login("admin", "");
        out.println("Ok, now we're logged in. Principal's name is ");
        out.println(request.getUserPrincipal().getName() + " <br/>");
        out.println("If you reload the page, we should still be logged in, right? <br/>");
    }
}