You do that in the Servlet, by creating an instance of a Request object in
the doGet and/or doPost method. Then each request will have its own copy of
data. If you want, you can count the number of active requests and display
a message to the user that basically says be more patient! (I've done that
in the iToolSet - see below).
Rob Simpson
/**
* Handle a GET request.
**/
public void doGet(final HttpServletRequest request, final
HttpServletResponse response)
// throws IOException, ServletException
{
processRequest(request, response);
}
/**
* Handle a POST request.
**/
public void doPost(final HttpServletRequest request, final
HttpServletResponse response)
// throws IOException, ServletException
{
processRequest(request, response);
}
/**
* Processes the request.
**/
public void processRequest(final HttpServletRequest request, final
HttpServletResponse response)
// throws IOException, ServletException
{
// Check for request already in progress
requestsInProgress ++;
// could be incremented in the handleRequest call, but done here
// just in case some implementation does the post increment after
// returning from the call to handleRequest
// Handle this request
TextRequestHandler requestHandler = createRequestHandler(servletTool,
new RequestData(toolset, this, request, response, requestsInProgress));
requestHandler.addUserMessage(user message);
requestHandler.addFooterMessage(requestsInProgress= +
Integer.toString(requestsInProgress));
requestHandler.printHeader();
requestHandler.handleRequest();
requestHandler.printFooter();
requestsInProgress --;
}
// Abstract methods
public abstract TextRequestHandler createRequestHandler(ServletTool
servletTool, RequestData requestData);
-Original Message-
From: Bing Zhang [mailto:[EMAIL PROTECTED]]
Sent: Thursday, February 06, 2003 1:48 PM
To: 'Tomcat Users List'
Cc: Jimmy Wu; Dan Yin; Daniel Ruiz
Subject: How to filter out duplicated request using Apache or TomCat
If the same user clicks a button continuously or refresh a page constantaly,
that will generate the same request to our server many times with a tiny
short interval. And the request will all come from the same machine. Is
there a way to block these kind of requests by configuring the Apache or
TomCat ?
Bing
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