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org.roller.presentation.pagecache
Class OSCacheFilterHandler  

java.lang.Object
  org.roller.presentation.pagecache.OSCacheFilterHandler

All Implemented Interfaces:

FilterHandler

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public class OSCacheFilterHandler

extends java.lang.Object

implements FilterHandler

Alternative version of OSCache's CacheFilter class for per user caching.

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Field Summary
private  com.opensymphony.oscache.web.ServletCacheAdministrator	mAdmin
private  int	mCacheScope
private  javax.servlet.FilterConfig	mConfig
private  javax.servlet.ServletContext	mContext
private static org.apache.commons.logging.Log	mLogger
private  int	mTime           time before cache should be refreshed - default one hour (in seconds)
private static java.lang.String	PATTERN

 

Constructor Summary

OSCacheFilterHandler(javax.servlet.FilterConfig filterConfig)

 

Method Summary
void	destroy()           Release resources
void	doFilter(javax.servlet.ServletRequest req, javax.servlet.ServletResponse res, javax.servlet.FilterChain chain)           Exactly as Filter.doFilter().
static void	emptyIndexCache(javax.servlet.ServletContext ctx, javax.servlet.http.HttpServletRequest req)           Flush the main page cache, called when new user is created
void	flushCache(javax.servlet.http.HttpServletRequest req)           Flush cache for all users
void	removeFromCache(javax.servlet.http.HttpServletRequest req, org.roller.pojos.UserData user)           Clear cache for specified user.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

mLogger

private static org.apache.commons.logging.Log mLogger

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PATTERN

private static final java.lang.String PATTERN

See Also:

Constant Field Values

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mContext

private javax.servlet.ServletContext mContext

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mConfig

private javax.servlet.FilterConfig mConfig

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mCacheScope

private int mCacheScope

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mAdmin

private com.opensymphony.oscache.web.ServletCacheAdministrator mAdmin

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mTime

private int mTime

time before cache should be refreshed - default one hour (in seconds)

Constructor Detail

OSCacheFilterHandler

public OSCacheFilterHandler(javax.servlet.FilterConfig filterConfig)

Method Detail

doFilter

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

Description copied from interface: FilterHandler

Exactly as Filter.doFilter().

Specified by:

doFilter in interface FilterHandler

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removeFromCache

public void removeFromCache(javax.servlet.http.HttpServletRequest req,
                            org.roller.pojos.UserData user)

Clear cache for specified user.

Specified by:

removeFromCache in interface FilterHandler

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flushCache

public void flushCache(javax.servlet.http.HttpServletRequest req)

Flush cache for all users

Specified by:

flushCache in interface FilterHandler

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emptyIndexCache

public static void emptyIndexCache(javax.servlet.ServletContext ctx,
                                   javax.servlet.http.HttpServletRequest req)

Flush the main page cache, called when new user is created

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destroy

public void destroy()

Release resources

Specified by:

destroy in interface FilterHandler

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Home >> All >> org >> roller >> presentation >> [ pagecache overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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