org.talika.tarsis.filters.cache
Class CacheFilter

java.lang.Object
  org.talika.tarsis.filters.AbstractFilter
      org.talika.tarsis.filters.CommandFilter
          org.talika.tarsis.filters.cache.CacheFilter

All Implemented Interfaces:

javax.servlet.Filter

public final class CacheFilter

extends CommandFilter

Cache filter checks if command is cacheable and then sets no cache HTTP response headers.

Version:

$Revision: 269 $

Author:

Jose M. Palomar

Constructor Summary

CacheFilter()

Method Summary

void	doFilter(javax.servlet.ServletRequest servletRequest, javax.servlet.ServletResponse servletResponse, javax.servlet.FilterChain filterChain) Checks if command is cacheable and then sets no cache HTTP response headers.

Methods inherited from class org.talika.tarsis.filters.CommandFilter

destroy, findCommand, getCommandFactory, init

Methods inherited from class org.talika.tarsis.filters.AbstractFilter

getContext, getFilterConfig, getLogger

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheFilter

public CacheFilter()

Method Detail

doFilter

public void doFilter(javax.servlet.ServletRequest servletRequest,
                     javax.servlet.ServletResponse servletResponse,
                     javax.servlet.FilterChain filterChain)
              throws java.io.IOException,
                     javax.servlet.ServletException

Checks if command is cacheable and then sets no cache HTTP response headers.

Specified by:

doFilter in interface javax.servlet.Filter

Specified by:

doFilter in class AbstractFilter

Parameters:

servletRequest - ServletRequest the ServletRequest object that contains the client's request.

servletResponse - ServletResponse the ServletResponse object that contains the servlet's response.

filterChain - FilterChain invocation chain of filtered request.

Throws:

java.io.IOException - if an input or output exception occurs

javax.servlet.ServletException - if an exception has occurred that interferes with the filter's normal operation

See Also:

Filter.doFilter(ServletRequest, ServletResponse, FilterChain)