org.jasig.resourceserver.utils.filter
Class PathBasedCacheExpirationFilter

java.lang.Object
  org.springframework.web.filter.GenericFilterBean
      org.jasig.resourceserver.utils.filter.PathBasedCacheExpirationFilter

All Implemented Interfaces:

javax.servlet.Filter, org.springframework.beans.factory.BeanNameAware, org.springframework.beans.factory.DisposableBean, org.springframework.beans.factory.InitializingBean, org.springframework.web.context.ServletContextAware

public class PathBasedCacheExpirationFilter
extends org.springframework.web.filter.GenericFilterBean

Field Summary

protected org.slf4j.Logger

logger

Constructor Summary

PathBasedCacheExpirationFilter()

Method Summary

void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
protected String	getExpiresHeader(Integer cacheMaxAge)
long	getRegenerateHeadersInterval()
protected void	initFilterBean()
void	setCacheMaxAges(Map<String,Integer> cacheMaxAges)
void	setRegenerateHeadersInterval(long regenerateHeadersInterval)
protected void	updateCacheHeaders()

Methods inherited from class org.springframework.web.filter.GenericFilterBean

addRequiredProperty, afterPropertiesSet, getFilterConfig, getFilterName, getServletContext, init, initBeanWrapper, setBeanName, setServletContext

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final org.slf4j.Logger logger

Constructor Detail

PathBasedCacheExpirationFilter

public PathBasedCacheExpirationFilter()

Method Detail

setCacheMaxAges

public void setCacheMaxAges(Map<String,Integer> cacheMaxAges)

getRegenerateHeadersInterval

public long getRegenerateHeadersInterval()

setRegenerateHeadersInterval

public void setRegenerateHeadersInterval(long regenerateHeadersInterval)

Parameters:

regenerateHeadersInterval - The interval in milliseconds to regenerate the cache headers, defaults to 1 second (1000).

initFilterBean

protected void initFilterBean()
                       throws javax.servlet.ServletException

Overrides:

initFilterBean in class org.springframework.web.filter.GenericFilterBean

Throws:

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter

Specified by:

destroy in interface org.springframework.beans.factory.DisposableBean

Overrides:

destroy in class org.springframework.web.filter.GenericFilterBean

doFilter

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

Throws:

IOException

javax.servlet.ServletException

getExpiresHeader

protected String getExpiresHeader(Integer cacheMaxAge)

updateCacheHeaders

protected void updateCacheHeaders()