com.knowgate.stripes

Class CachingFilter

java.lang.Object

com.knowgate.stripes.CachingFilter

All Implemented Interfaces:

javax.servlet.Filter

public class CachingFilter
extends Object
implements javax.servlet.Filter

Set Expires HTTP header value.

Expires HTTP header will be set as specified in milliseconds at expires FilterConfig parameter. Default value is seven days.

Install at web.xml with:

<filter> <filter-name>Caching Filter</filter-name> <filter-class>com.knowgate.stripes.CachingFilter</filter-class> <init-param> <param-name>expires</param-name> <param-value>604800000</param-value> </init-param> </filter>

Version:

1.0

Author:

Sergio Montoro Ten

Constructor Summary

Constructors

Constructor and Description
CachingFilter()

Method Summary

Modifier and Type	Method and Description
void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
void	init(javax.servlet.FilterConfig fc)

Methods inherited from class java.lang.Object

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

Constructor Detail

CachingFilter

public CachingFilter()

Method Detail

init

public void init(javax.servlet.FilterConfig fc)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Filter

Parameters:

fc - FilterConfig Contains "expires" init parameter with timeout in milliseconds

Throws:

javax.servlet.ServletException

See Also:

Filter.init(javax.servlet.FilterConfig)

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain chain)
              throws IOException,
                     javax.servlet.ServletException

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException

See Also:

Filter.doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter

See Also:

Filter.destroy()