org.talika.tarsis.command.action
Class ActionWrapper

java.lang.Object
  org.talika.tarsis.command.action.AbstractAction
      org.talika.tarsis.command.action.ActionWrapper

All Implemented Interfaces:

Action

public final class ActionWrapper
extends AbstractAction

This is a wrapper for statefull actions. Instead of having an specialized implementation of Action for statefull actions we have this class that wraps a normal action and do all the statefull tricky work.

Version:

$Revision: 269 $

Author:

Jose M. Palomar

Constructor Summary

ActionWrapper(java.lang.Class actionClass)
Constructs a new ActionWrapper.

Method Summary

java.lang.String	execute(Request request, Response response) Called by Tarsis MVC Framework to handle request everytime command is invoked.
void	validate(Request request) Called by Tarsis MVC Framework to validate request everytime command is invoked.

Methods inherited from class org.talika.tarsis.command.action.AbstractAction

destroy, getContext, init

Methods inherited from class java.lang.Object

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

Constructor Detail

ActionWrapper

public ActionWrapper(java.lang.Class actionClass)

Constructs a new ActionWrapper.

Parameters:

actionClass - Class class of action that we wrap.

Method Detail

validate

public void validate(Request request)
              throws ActionException

Called by Tarsis MVC Framework to validate request everytime command is invoked.

This method is called only if command is validable.
Wrapper first call findActionSession on current request to obtain action instance from session. Then call validate method over instance.

Specified by:

validate in interface Action

Specified by:

validate in class AbstractAction

Parameters:

request - Request object representing client's request.

Throws:

ActionException - if an exception has occurred that interferes with the action's normal operation.

See Also:

Action.validate(Request)

execute

public java.lang.String execute(Request request,
                                Response response)
                         throws ActionException

Called by Tarsis MVC Framework to handle request everytime command is invoked.
Wrapper first call findActionSession on current request to obtain action instance from session. Then call execute method over instance.

Specified by:

execute in interface Action

Specified by:

execute in class AbstractAction

Parameters:

request - Request object representing client's request.

response - Response object representing client's reponse.

Returns:

String the name of view to be forwarded or null for default view.

Throws:

ActionException - if an exception has occurred that interferes with the action's normal operation.

See Also:

Action.execute(Request, Response)