com.agapsys.rcf

Class ActionDispatcher

java.lang.Object

com.agapsys.rcf.ActionDispatcher

public class ActionDispatcher
extends Object

Action dispatcher. The dispatcher is responsible by mapping request to actions.

Constructor Summary

Constructors

Constructor and Description
ActionDispatcher()

Method Summary

Modifier and Type	Method and Description
protected void	afterAction(ActionRequest request, ActionResponse response) Called after an action processing.
protected void	beforeAction(ActionRequest request, ActionResponse response) Called before an action.
void	clearActions() Removes all registered actions.
void	dispatch(ActionRequest request, ActionResponse response) Dispatches a request to an action.
ActionDispatcher	registerAction(HttpMethod method, String path, Action action) Registers an action with given URL.

Methods inherited from class java.lang.Object

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

Constructor Detail

ActionDispatcher

public ActionDispatcher()

Method Detail

registerAction

public ActionDispatcher registerAction(HttpMethod method,
                                       String path,
                                       Action action)

Registers an action with given URL.

Parameters:

method - associated HTTP method.

path - relative path associated with given action.

action - action to be associated with given path and HTTP method.

Returns:

this.

clearActions

public void clearActions()

Removes all registered actions.

dispatch

public void dispatch(ActionRequest request,
                     ActionResponse response)
              throws javax.servlet.ServletException,
                     IOException,
                     NotFoundException

Dispatches a request to an action.

Parameters:

request - HTTP request.

response - HTTP response.

Throws:

javax.servlet.ServletException - if the HTTP request cannot be handled.

IOException - if an input or output error occurs while the servlet is handling the HTTP request.

NotFoundException - if there is not action to process given request.

beforeAction

protected void beforeAction(ActionRequest request,
                            ActionResponse response)
                     throws javax.servlet.ServletException,
                            IOException

Called before an action. Default implementation does nothing.

Parameters:

request - HTTP request.

response - HTTP response.

Throws:

javax.servlet.ServletException - if the HTTP request cannot be handled.

IOException - if an input or output error occurs while the servlet is handling the HTTP request.

afterAction

protected void afterAction(ActionRequest request,
                           ActionResponse response)
                    throws javax.servlet.ServletException,
                           IOException

Called after an action processing. Default implementation does nothing.

Parameters:

request - HTTP request.

response - HTTP response.

Throws:

javax.servlet.ServletException - if the HTTP request cannot be handled.

IOException - if an input or output error occurs while the servlet is handling the HTTP request.