class AbstractController::Base

def process(action, *args)

* self
==== Returns

AbstractController::ActionNotFound error is raised.
#method_for_action. If no method can handle the action, then an
The actual method that is called is determined by calling

Calls the action going through the entire Action Dispatch stack. 
def process(action, *args)
  @_action_name = action.to_s
  unless action_name = _find_action_name(@_action_name)
    raise ActionNotFound.new("The action '#{action}' could not be found for #{self.class.name}", self, action)
  end
  @_response_body = nil
  process_action(action_name, *args)
end