com.caucho.filters
Class ThrottleFilter

java.lang.Object
  com.caucho.filters.ThrottleFilter

All Implemented Interfaces:

Filter

public class ThrottleFilter
extends java.lang.Object
implements Filter

Throttles the filter to only a limited number of requests.

Constructor Summary

ThrottleFilter()

Method Summary

void	addPoisonedIp(java.lang.String address)
void	destroy() Any cleanup for the filter.
void	doFilter(ServletRequest request, ServletResponse response, FilterChain nextFilter) doFilter performs the actual work of a filter, either modifying the request or the response.
static ThrottleFilter	getCurrent()
void	init(FilterConfig config) Initialize the filter.
void	setDelay(Period period)
void	setMaxConcurrentRequests(int max) Sets the maximum number of concurrent requests for a single IP.
void	setMaxTotalRequests(int max)
void	setTimeout(Period period)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ThrottleFilter

public ThrottleFilter()

Method Detail

getCurrent

public static ThrottleFilter getCurrent()

setMaxConcurrentRequests

public void setMaxConcurrentRequests(int max)

Sets the maximum number of concurrent requests for a single IP.

setMaxTotalRequests

public void setMaxTotalRequests(int max)

setTimeout

public void setTimeout(Period period)

setDelay

public void setDelay(Period period)

addPoisonedIp

public void addPoisonedIp(java.lang.String address)

init

public void init(FilterConfig config)
          throws ServletException

Description copied from interface: Filter

Initialize the filter.

Specified by:

init in interface Filter

Throws:

ServletException

doFilter

public void doFilter(ServletRequest request,
                     ServletResponse response,
                     FilterChain nextFilter)
              throws ServletException,
                     java.io.IOException

Description copied from interface: Filter

doFilter performs the actual work of a filter, either modifying the request or the response. It will typically call the chain.doFilter() to invoke the next filter in the chain.

Specified by:

doFilter in interface Filter

Parameters:

request - the servlet request

response - the servlet response

nextFilter - the next filter in the chain

Throws:

ServletException

java.io.IOException

destroy

public void destroy()

Any cleanup for the filter.

Specified by:

destroy in interface Filter