webwork.action.factory

Class ActionFactory

java.lang.Object

webwork.action.factory.ActionFactory

Direct Known Subclasses:

ActionFactoryProxy, DefaultActionFactory, JavaActionFactory

public abstract class ActionFactory
extends Object

Base action factory implementation that initializes the action factory delegation, establishes the ActionContext and provides access to the action factory. Upon instantiation, this class will initialize the action factory specified by the configuration property webwork.action.factory. If this property is not configured or the specified class cannot be instantiated, the DefaultActionFactory class will be instantiated.

Version:

$Revision: 1.20 $

Author:

Rickard Öberg (rickard@middleware-company.com)

Constructor Summary

Constructors

Constructor and Description
ActionFactory()

Method Summary

Methods

Modifier and Type	Method and Description
void	flushCaches() Called if the configuration has been modified.
static Action	getAction(String aName) Returns the matching action found as the result of traversing the action factory delegation chain.
static ActionFactory	getActionFactory() Returns the action factory implementation or the default action factory if not available.
abstract Action	getActionImpl(String aName) Returns the action object for the specified action or a matching action on the action factory delegation chain.
static void	setActionFactory(ActionFactory aFactory) Set the action factory implementation.

Methods inherited from class java.lang.Object

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

Constructor Detail

ActionFactory

public ActionFactory()

Method Detail

getAction

public static Action getAction(String aName)
                        throws Exception

Returns the matching action found as the result of traversing the action factory delegation chain.

Parameters:

aName - name of action to return

Returns:

action located through the factory delegation chain

Throws:

Exception

getActionFactory

public static ActionFactory getActionFactory()

Returns the action factory implementation or the default action factory if not available.

Returns:

action factory implementation

setActionFactory

public static void setActionFactory(ActionFactory aFactory)
                             throws IllegalStateException

Set the action factory implementation. Can only be called once.

Throws:

IllegalStateException

getActionImpl

public abstract Action getActionImpl(String aName)
                              throws Exception

Returns the action object for the specified action or a matching action on the action factory delegation chain.

Parameters:

aName - name of action to check for a match

Throws:

Exception

flushCaches

public void flushCaches()

Called if the configuration has been modified. If an ActionFactory does any caching of results, it should override this method and flush its internal caches in it.