📄 specialdietsession.java
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/*
* SpecialDietSession.java
*
* Created on June 25, 2002, 1:27 PM
*/
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import java.io.*;
/**
*
* @author Stephen Potts
* @version
*/
public class SpecialDietSession extends HttpServlet
{
/** Initializes the servlet.
*/
public void init(ServletConfig config) throws ServletException
{
super.init(config);
}
/** Destroys the servlet.
*/
public void destroy()
{
}
/** Handles the HTTP <code>GET</code> method.
* @param request servlet request
* @param response servlet response
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, java.io.IOException
{
}
/** Handles the HTTP <code>POST</code> method.
* @param request servlet request
* @param response servlet response
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, java.io.IOException
{
//Get the Session Object
HttpSession httpSess = request.getSession(true);
Integer numItems = (Integer) httpSess.getAttribute("numItems");
if (numItems== null)
{
numItems = new Integer(0);
}
response.setContentType("text/html");
PrintWriter out = response.getWriter();
Enumeration keys;
String key, value;
keys = request.getParameterNames();
while (keys.hasMoreElements())
{
key = (String)keys.nextElement();
value = request.getParameter(key);
if(!key.equals("btnSubmit"))
{
System.out.println("SDS value= " + numItems + " " + value + " key= " + key);
httpSess.setAttribute("Item" + numItems , key + " " + value);
numItems = new Integer(numItems.intValue()+ 1);
}
}
httpSess.setAttribute("numItems", numItems);
// output your page here
out.println("<html>");
out.println("<head>");
out.println("<title>" + "SpecialDietSession" +
"</title>");
out.println("</head>");
out.println("<body BGCOLOR=\"#FDF5E6\"\n>");
out.println("<h1 ALIGN=CENTER>");
out.println("Session Object Populated");
out.println("<CENTER>");
out.println("<BR><BR>");
out.println("<A href='/examples/servlet/SpecialDietSession2'>View Your Choices</A>");
out.println("</CENTER>");
out.println("</body>");
out.println("</html>");
out.close();
}
/** Returns a short description of the servlet.
*/
public String getServletInfo()
{
return "Short description";
}
}
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