    /**
     * @class Ext.direct.JsonProvider

    A base provider for communicating using JSON. This is an abstract class
    and should not be instanced directly.

     * @markdown
     * @abstract
     */

    Ext.define('Ext.direct.JsonProvider', {

        /* Begin Definitions */

        extend: 'Ext.direct.Provider',

        alias: 'direct.jsonprovider',

        uses: ['Ext.direct.ExceptionEvent'],

        /* End Definitions */

       /**
        * Parse the JSON response
        * @private
        * @param {Object} response The XHR response object
        * @return {Object} The data in the response.
        */
       parseResponse: function(response){
            if (!Ext.isEmpty(response.responseText)) {
                if (Ext.isObject(response.responseText)) {
                    return response.responseText;
                }
                return Ext.decode(response.responseText);
            }
            return null;
        },

        /**
         * Creates a set of events based on the XHR response
         * @private
         * @param {Object} response The XHR response
         * @return {Ext.direct.Event[]} An array of Ext.direct.Event
         */
        createEvents: function(response){
            var data = null,
                events = [],
                event,
                i = 0,
                len;

            try{
                data = this.parseResponse(response);
            } catch(e) {
                event = new Ext.direct.ExceptionEvent({
                    data: e,
                    xhr: response,
                    code: Ext.direct.Manager.exceptions.PARSE,
                    message: 'Error parsing json response: \n\n ' + data
                });
                return [event];
            }

            if (Ext.isArray(data)) {
                for (len = data.length; i < len; ++i) {
                    events.push(this.createEvent(data[i]));
                }
            } else {
                events.push(this.createEvent(data));
            }
            return events;
        },

        /**
         * Create an event from a response object
         * @param {Object} response The XHR response object
         * @return {Ext.direct.Event} The event
         */
        createEvent: function(response){
            return Ext.create('direct.' + response.type, response);
        }
    });