package javacodebook.server.error;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

/**
 *  Auswertung einer Exception in einem Servlet.
 */
public class ErrorMessageServlet extends HttpServlet {

    protected void doGet(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, java.io.IOException {
        res.setContentType("text/html");
        PrintWriter out = res.getWriter();
        out.println("<html>");
        out.println("<body>");
        out.println("<h2>Es ist ein Fehler aufgetreten</h2>");
        out.println("Fehlermeldung: ");
        out.println(req.getAttribute("javax.servlet.error.message") + "<br>");
        out.println("Details: ");
        out.println(req.getAttribute("error_detail"));
        out.println("</body>");
        out.println("</html>");
    }

    protected void doPost(HttpServletRequest req, HttpServletResponse res)
    throws ServletException, java.io.IOException {
        doGet(req, res);
    }
}
