org.springframework.webflow.context
Class ExternalContextHolder

java.lang.Object
  org.springframework.webflow.context.ExternalContextHolder

public final class ExternalContextHolder
extends java.lang.Object

Simple holder class that associates an ExternalContext instance with the current thread. The ExternalContext will not be inherited by any child threads spawned by the current thread.

Used as a central holder for the current ExternalContext in Spring Web Flow, wherever necessary. Often used by artifacts needing access to the current application session.

Author:

Keith Donald

See Also:

ExternalContext

Method Summary

static ExternalContext	getExternalContext() Return the ExternalContext associated with the current thread, if any.
static void	setExternalContext(ExternalContext externalContext) Associate the given ExternalContext with the current thread.

Methods inherited from class java.lang.Object

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

Method Detail

setExternalContext

public static void setExternalContext(ExternalContext externalContext)

Associate the given ExternalContext with the current thread.

Parameters:

externalContext - the current ExternalContext, or null to reset the thread-bound context

getExternalContext

public static ExternalContext getExternalContext()

Return the ExternalContext associated with the current thread, if any.

Returns:

the current ExternalContext