Package nl.vpro.web.filter

Class ExpireHeadersFilter

java.lang.Object

nl.vpro.web.filter.ExpireHeadersFilter

All Implemented Interfaces:

javax.servlet.Filter

public class ExpireHeadersFilter
extends Object
implements javax.servlet.Filter

A filter that can add expire and cache controll headers to responses if there are missing. (default to 5 minutes)

For more information about these headers: https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html

Author:

Rob Vermeulen (VPRO)

Field Summary

Fields

Modifier and Type	Field	Description
static final String	HEADER_CACHE_CONTROL
static final String	HEADER_EXPIRES

Constructor Summary

Constructors

Constructor	Description
ExpireHeadersFilter()

Method Summary

Modifier and Type	Method	Description
void	doFilter(javax.servlet.ServletRequest req, javax.servlet.ServletResponse res, javax.servlet.FilterChain chain)
void	init(javax.servlet.FilterConfig filterConfig)

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.servlet.Filter

destroy

Field Details

HEADER_EXPIRES

public static final String HEADER_EXPIRES

See Also:

• Constant Field Values

HEADER_CACHE_CONTROL

public static final String HEADER_CACHE_CONTROL

See Also:

• Constant Field Values

Constructor Details

ExpireHeadersFilter

public ExpireHeadersFilter()

Method Details

init

public void init(javax.servlet.FilterConfig filterConfig)

Specified by:

init in interface javax.servlet.Filter

doFilter

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

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException