org.fujion.servlet

Class DynamicResourceRegistry

java.lang.Object

org.fujion.servlet.DynamicResourceRegistry

All Implemented Interfaces:

ISessionLifecycle

public class DynamicResourceRegistry
extends Object
implements ISessionLifecycle

Allows registration of resources that may be retrieved via the url path '.../dynamic/**'. Paths of the pattern '.../dynamic/_fujion_NNN/**' are assumed to be session-specific, with NNN representing the page id of the session. Session-specific resources are removed when the associated session is destroyed.

Method Summary

Modifier and Type	Method and Description
static DynamicResourceRegistry	getInstance() Returns the singleton instance.
org.springframework.core.io.Resource	getResource(String path) Retrieves the resource registered to the specified path.
void	onSessionCreate(Session session) Invoked after a session is created and its page has been initialized but not yet materialized.
void	onSessionDestroy(Session session) Remove the session's associated resource registry, if any.
void	registerResource(String path, org.springframework.core.io.Resource resource) Registers or unregisters a resource.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static DynamicResourceRegistry getInstance()

Returns the singleton instance.

Returns:

Singleton instance of the dynamic resource registry.

getResource

public org.springframework.core.io.Resource getResource(String path)

Retrieves the resource registered to the specified path.

Parameters:

path - The resource path.

Returns:

The named resource, or null if not found.

registerResource

public void registerResource(String path,
                             org.springframework.core.io.Resource resource)

Registers or unregisters a resource.

Parameters:

path - The resource path.

resource - The resource to register or, if null, any resource registered under this name will be unregistered.

onSessionCreate

public void onSessionCreate(Session session)

Description copied from interface: ISessionLifecycle

Invoked after a session is created and its page has been initialized but not yet materialized.

Specified by:

onSessionCreate in interface ISessionLifecycle

Parameters:

session - The session.

onSessionDestroy

public void onSessionDestroy(Session session)

Remove the session's associated resource registry, if any.

Specified by:

onSessionDestroy in interface ISessionLifecycle

Parameters:

session - The session.

See Also:

ISessionLifecycle.onSessionDestroy(org.fujion.websocket.Session)