Package com.semanticcms.core.servlet

Class CacheFilter

java.lang.Object

com.semanticcms.core.servlet.CacheFilter

All Implemented Interfaces:

Filter

public class CacheFilter
extends Object
implements Filter

Resolves the cache to use for the current request.

See Also:

ConcurrencyCoordinator

Constructor Summary

Constructors

Constructor	Description
CacheFilter()

Method Summary

Modifier and Type	Method	Description
void	destroy()
void	doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
static Cache	getCache(ServletRequest request)	Gets the cache to use for the current request.
void	init(FilterConfig config)

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

getCache

public static Cache getCache(ServletRequest request)
                      throws IllegalStateException

Gets the cache to use for the current request. All uses of this cache must synchronize on the map itself.

Throws:

IllegalStateException - if the filter is not active on the current request

init

public void init(FilterConfig config)
          throws ServletException

Specified by:

init in interface Filter

Throws:

ServletException

doFilter

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

Specified by:

doFilter in interface Filter

Throws:

IOException

ServletException

destroy

public void destroy()

Specified by:

destroy in interface Filter