CookieCounterServlet.java
/*
* @(#)CookieCounterServlet.java
*
* Copyright (c) 1998-2000 Servertec. All Rights Reserved.
*
* This software is the proprietary and confidential property of Servertec.
* Use only in accordance with the terms of the license agreement.
*
* SERVERTEC MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY
* OF THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SERVERTEC SHALL NOT BE LIABLE FOR ANY
* DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
*
* THIS NOTICE MUST NOT BE ALTERED NOR REMOVED.
*
* CopyrightVersion 1.0
*/
import java.io.IOException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletOutputStream;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import stec.iws.Utils;
public class CookieCounterServlet extends HttpServlet
{
public void service(HttpServletRequest _request, HttpServletResponse _response) throws ServletException, IOException
{
int counter;
Cookie cookies[] = _request.getCookies();
if(cookies == null)
{
counter = 0;
}
else
{
Cookie cookie = Utils.extractCookie(cookies, "cookiecounter");
if(cookie == null)
{
counter = 0;
}
else
{
counter = Integer.parseInt(cookie.getValue());
}
}
_response.addCookie(new Cookie("cookiecounter", String.valueOf(counter+1)));
_response.setContentType("text/html");
ServletOutputStream out = _response.getOutputStream();
out.println("");
out.println("Cookie Counter Servlet");
out.println("");
if(counter == 0)
{
out.println("cookie counter did not exist");
}
else
{
out.println("cookie counter is " + counter);
}
out.println("");
out.println("[ refresh ]");
out.println("");
out.println("");
out.close();
}
public String getServletInfo()
{
return "CookieCounterServlet";
}
}