access MethodExpression from actionListener

[Michael Heinen]

Hi,

I use a global action-listener defined in faces-config via the action-listener 
tag to log called actions/actionsListeners.
With JSF 1.1 I used following code:

private void storeCalledAction(ActionEvent actionEvent){
  ActionSource actionSource = (ActionSource) actionEvent.getComponent();
  //1. check for action listener
  MethodBinding methodBinding = actionSource.getActionListener();
  if (methodBinding == null){
    //2. check for action
    methodBinding = actionSource.getAction();
  }
  if (methodBinding != null){
    action = methodBinding.getExpressionString();
    ...

MethodBinding is deprecated in JSF1.2 and also null for actionListeners.
Therefore I changed ActionSource to ActionSource2 and MethodBinding to 
MethodExpression.

private void storeCalledAction(final ActionEvent actionEvent){
  ActionSource2 actionSource = (ActionSource2) actionEvent.getComponent();
  MethodExpression methodExpression = actionSource.getActionExpression();

  if (methodExpression==null){
    ActionListener[] actionListeners = actionSource.getActionListeners();
    if (actionListeners!=null && actionListeners.length>0){
      ActionListener lastActionListener = 
actionListeners[actionListeners.length-1];
      //???? And now???
    }
  }

How can I access the methodExpression of the (now nested) ActionListeners?
They are of type javax.faces.event.MethodExpressionActionListener but there is 
no getter available.

Do I have to patch MethodExpressionActionListener locally and add a getter or 
is there an official alternative?

Michael