Package org.apache.tapestry5.internal.services

Class ResourceDigestManagerImpl

java.lang.Object

org.apache.tapestry5.internal.services.ResourceDigestManagerImpl

All Implemented Interfaces:

InvalidationEventHub, ResourceDigestManager

public class ResourceDigestManagerImpl
extends Object
implements ResourceDigestManager

Constructor Summary

Constructors

Constructor	Description
ResourceDigestManagerImpl()

Method Summary

Modifier and Type	Method	Description
void	addInvalidationCallback(Runnable callback)	Adds a callback that is invoked when an underlying tracked resource has changed.
void	addInvalidationListener(InvalidationListener listener)	Adds a listener, who needs to know when an underlying resource of a given category has changed (so that the receiver may discard any cached data that may have been invalidated).
void	clearOnInvalidation(Map<?,?> map)	Adds a callback that clears the map.
String	getDigest(Resource resource)	Returns the digest for the given path.
boolean	requiresDigest(Resource resource)	Returns true if the path requires that the client URL for the resource include a digest to validate that the client is authorized to access the resource.

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceDigestManagerImpl

public ResourceDigestManagerImpl()

Method Detail

getDigest

public String getDigest(Resource resource)

Description copied from interface: ResourceDigestManager

Returns the digest for the given path. As of 5.4, simple returns null.

Specified by:

getDigest in interface ResourceDigestManager

Returns:

the digest, or null if the resource does not exist

requiresDigest

public boolean requiresDigest(Resource resource)

Description copied from interface: ResourceDigestManager

Returns true if the path requires that the client URL for the resource include a digest to validate that the client is authorized to access the resource. As of 5.4, simply returns false.

Specified by:

requiresDigest in interface ResourceDigestManager

Returns:

true if digest is required for the resource

See Also:

ResourceDigestGenerator.requiresDigest(String)

addInvalidationListener

public void addInvalidationListener(InvalidationListener listener)

Description copied from interface: InvalidationEventHub

Adds a listener, who needs to know when an underlying resource of a given category has changed (so that the receiver may discard any cached data that may have been invalidated). Does nothing in production mode.

Specified by:

addInvalidationListener in interface InvalidationEventHub

addInvalidationCallback

public void addInvalidationCallback(Runnable callback)

Description copied from interface: InvalidationEventHub

Adds a callback that is invoked when an underlying tracked resource has changed. Does nothing in production mode.

Specified by:

addInvalidationCallback in interface InvalidationEventHub

clearOnInvalidation

public void clearOnInvalidation(Map<?,?> map)

Description copied from interface: InvalidationEventHub

Adds a callback that clears the map.

Specified by:

clearOnInvalidation in interface InvalidationEventHub