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     * @return {Response} A {@link Ext.data.Response Response} object containing the data response, and also status information.
     */
    readResponse : function(action, response) {
        var o = (response.responseText !== undefined) ? Ext.decode(response.responseText) : response;
        if(!o) {
            throw new Ext.data.JsonReader.Error('response');
        }

        var root = this.getRoot(o),
            success = this.getSuccess(o);
        if (success && action === Ext.data.Api.actions.create) {
            var def = Ext.isDefined(root);
            if (def && Ext.isEmpty(root)) {
                throw new Ext.data.JsonReader.Error('root-empty', this.meta.root);
            }
            else if (!def) {
                throw new Ext.data.JsonReader.Error('root-undefined-response', this.meta.root);
            }
        }

        // instantiate response object
        var res = new Ext.data.Response({
            action: action,
            success: success,
            data: (root) ? this.extractData(root, false) : [],
            message: this.getMessage(o),
            raw: o
        });

        // blow up if no successProperty
        if (Ext.isEmpty(res.success)) {
            throw new Ext.data.JsonReader.Error('successProperty-response', this.meta.successProperty);
        }
        return res;
    },

<span id='Ext-data-JsonReader-method-readRecords'>    /**
</span>     * Create a data block containing Ext.data.Records from a JSON object.
     * @param {Object} o An object which contains an Array of row objects in the property specified
     * in the config as 'root, and optionally a property, specified in the config as 'totalProperty'
     * which contains the total size of the dataset.
     * @return {Object} data A data block which is used by an Ext.data.Store object as
     * a cache of Ext.data.Records.
     */
    readRecords : function(o){
<span id='Ext-data-JsonReader-property-jsonData'>        /**
</span>         * After any data loads, the raw JSON data is available for further custom processing.  If no data is
         * loaded or there is a load exception this property will be undefined.
         * @type Object
         */
        this.jsonData = o;
        if(o.metaData){
            this.onMetaChange(o.metaData);
        }
        var s = this.meta, Record = this.recordType,
            f = Record.prototype.fields, fi = f.items, fl = f.length, v;

        var root = this.getRoot(o), c = root.length, totalRecords = c, success = true;
        if(s.totalProperty){
            v = parseInt(this.getTotal(o), 10);
            if(!isNaN(v)){
                totalRecords = v;
            }
        }
        if(s.successProperty){
            v = this.getSuccess(o);
            if(v === false || v === 'false'){
                success = false;
            }
        }

        // TODO return Ext.data.Response instance instead.  @see #readResponse
        return {
            success : success,
            records : this.extractData(root, true), // &lt;-- true to return [Ext.data.Record]
            totalRecords : totalRecords
        };
    },

    // private
    buildExtractors : function() {
        if(this.ef){
            return;
        }
        var s = this.meta, Record = this.recordType,
            f = Record.prototype.fields, fi = f.items, fl = f.length;

        if(s.totalProperty) {
            this.getTotal = this.createAccessor(s.totalProperty);
        }
        if(s.successProperty) {
            this.getSuccess = this.createAccessor(s.successProperty);
        }
        if (s.messageProperty) {
            this.getMessage = this.createAccessor(s.messageProperty);
        }
        this.getRoot = s.root ? this.createAccessor(s.root) : function(p){return p;};
        if (s.id || s.idProperty) {
            var g = this.createAccessor(s.id || s.idProperty);
            this.getId = function(rec) {
                var r = g(rec);
                return (r === undefined || r === '') ? null : r;
            };
        } else {
            this.getId = function(){return null;};
        }
        var ef = [];
        for(var i = 0; i &lt; fl; i++){
            f = fi[i];
            var map = (f.mapping !== undefined &amp;&amp; f.mapping !== null) ? f.mapping : f.name;
            ef.push(this.createAccessor(map));
        }
        this.ef = ef;
    },

<span id='global-method-simpleAccess'>    /**
</span>     * @ignore
     * TODO This isn't used anywhere??  Don't we want to use this where possible instead of complex #createAccessor?
     */
    simpleAccess : function(obj, subsc) {
        return obj[subsc];