class AbstractController::Base

Raise +AbstractController::ActionNotFound+.
* false - No valid method name could be found.
* string - The name of the method that handles the action
==== Returns

* action_name - An action name to find a method name for
==== Parameters

See method_for_action for more information.

It checks if the action name is valid and returns false otherwise.

handle the action.
Takes an action name and returns the name of the method that will

def _find_action_name(action_name)
  _valid_action_name?(action_name) && method_for_action(action_name)
end