import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
* This servlet reads and prints the values of the Session's variables
* sessionName and sessionSurname.
*
* @author Sofoklis Stouraitis
*/
public class ReadDataFromSessionServlet extends HttpServlet {
/**
* Handles HTTP GET requests.
*
* @param request
* the request object
* @param response
* the response object
*
* @throws IOException
* if an input or output error is detected when the servlet
* handles the GET request
* @throws ServletException
* if the request for the GET could not be handled
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
response.setContentType("text/html; charset=ISO-8859-7");
PrintWriter out = new PrintWriter(response.getWriter(), true);
/*
* Enables Session
*/
HttpSession session = request.getSession(true);
/*
* Gets name value from the Session variable named sessionName
*/
String name = session.getAttribute("sessionName").toString();
/*
* Gets surname value from the Session variable named sessionSurname
*/
String surname = session.getAttribute("sessionSurname").toString();
try {
out.println("<html>");
out.println("<head>");
out.println("<Meta Http-Equiv='Content-Type' Content='text/html; Charset=windows-1253'>");
out.println("<title>AddDataToSessionServlet</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>ReadDataFromSessionServlet is running...</h1>");
out.println("<h2>Εισάγατε τα παρακάτω στοιχεία στο Session:</h2><hr>");
out.println("<b>Όνομα: </b>" + name + "<br>");
out.println("<b>Επώνυμο: </b>" + surname + "<br>");
out.println("</body>");
out.println("</html>");
} catch (Exception ex) {
out.println("Exception: " + ex.getMessage());
out.println("</body>");
out.println("</html>");
}
}
}// End of class
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