/* $Id: SessionExample.java 29-aug-2002.16:24:39 surman Exp $
 *
 */

import java.io.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;



/**
 * Example servlet showing request headers
 *
 * @author James Duncan Davidson <duncan@eng.sun.com>
 */

public class SessionExample extends HttpServlet {

    ResourceBundle rb = ResourceBundle.getBundle("LocalStrings");
    
    public void doGet(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {
        response.setContentType("text/html");

        PrintWriter out = response.getWriter();
        out.println("<html>");
        out.println("<body bgcolor=\"white\">");
        out.println("<head>");

        String title = rb.getString("sessions.title");
        out.println("<title>" + title + "</title>");
        out.println("</head>");
        out.println("<body>");

        // img stuff not req'd for source code html showing
	// relative links everywhere!
	
        out.println("<a href=\"../examples/servlets/sessions.html\">");
        out.println("<img src=\"../examples/images/code.gif\" height=24 " +
                    "width=24 align=right border=0 alt=\"view code\"></a>");
        out.println("<a href=\"../examples/servlets/index.html\">");
        out.println("<img src=\"../examples/images/return.gif\" height=24 " +
                    "width=24 align=right border=0 alt=\"return\"></a>");

        out.println("<h3>" + title + "</h3>");

        HttpSession session = request.getSession();
        out.println(rb.getString("sessions.id") + " " + session.getId());
        out.println("<br>");
        out.println(rb.getString("sessions.created") + " ");
        out.println(new Date(session.getCreationTime()) + "<br>");
        out.println(rb.getString("sessions.lastaccessed") + " ");
        out.println(new Date(session.getLastAccessedTime()));

        String dataName = request.getParameter("dataname");
        String dataValue = request.getParameter("datavalue");
        if (dataName != null && dataValue != null) {
            session.putValue(dataName, dataValue);
        }

        out.println("<P>");
        out.println(rb.getString("sessions.data") + "<br>");
        String[] valueNames = session.getValueNames();
        if (valueNames != null && valueNames.length > 0) {
            for (int i = 0; i < valueNames.length; i++) {
                String name = valueNames[i];
                String value = session.getValue(name).toString();
                out.println(DemoUtil.HTMLReplace(name) + " = " +
                            DemoUtil.HTMLReplace(value) + "<br>");
            }
        }

        out.println("<P>");
        out.print("<form action=\"");
        out.print("SessionExample\" ");
        out.println("method=POST>");
        out.println(rb.getString("sessions.dataname"));
        out.println("<input type=text size=20 name=dataname>");
        out.println("<br>");
        out.println(rb.getString("sessions.datavalue"));
        out.println("<input type=text size=20 name=datavalue>");
        out.println("<br>");
        out.println("<input type=submit>");
        out.println("</form>");

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

    public void doPost(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {
        doGet(request, response);
    }

}
