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 GreetingServlet extends HttpServlet {
    public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
        response.setContentType("text/html");
        response.setBufferSize(8192);

        PrintWriter out = response.getWriter();
        
        // Set attribute in HttpSession
        HttpSession session = request.getSession();
        session.setAttribute("city", "Boston");

        // then write the data of the response
        out.println("<html>" + "<head><title>Hello</title></head>");

        // then write the data of the response
        out.println("<body  bgcolor=\"#ffffff\">" +
            "<img src=\"duke.waving.gif\" alt=\"Duke waving\">" +
            "<h2>Hello, my name is Duke. What's yours?</h2>" +
            "<form method=\"get\" action=\"greeting2\">" +
            "<input type=\"text\" name=\"username\" size=\"25\">" + "<p></p>" +
            "<input type=\"submit\" value=\"Submit\">" +
            "<input type=\"reset\" value=\"Reset\">" + "</form>");
        
        out.println("</body></html>");
        out.close();
    }

    public String getServletInfo() {
        return "The Hello servlet says hello.";
    }
}