Stopping a REST request in the beforeFilter() of the AppController.php

Hey There,

So I am building an API with the built in REST functionality in CakePHP  but I am having a problem with it.

I am trying to halt a REST request after it has already been primed by the default mapResources route feature?  In the app/Config/routes.php I have the following route for my customers controller / model..

Router::mapResources('customers');

I want to add some code to the beforeFilter() of the AppController which, under certain conditions, should stop the current REST request and print a different response. 

Say I do a GET request to the customers controller...

http://localhost/cakephp/customers.json

This returns what I would expect, my customers list in JSON format. 

However I want certain HTTP_X_ headers to be present in the request before I allow it to complete so I have tried using the set method to create the response I want and tried to send() the response like so..

$this->set(array(

'status' => false,

'message' => 'Some error message',

'errors' => array('this went wrong', 'that went wrong'),

'_serialize' => array('status', 'message', 'errors')

));

$this->response->send();
$this->_stop();

In this instance what occurs is that the customers.json response completes. I want to halt the request at this point and return my error response.

Does anyone know a good way to do this?

Thanks,

Geoff T

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