public function getLocator($class)
    {
        $result = false;

        if(!false == $pos = strrpos($class, '\\'))
        {
            $namespace = substr($class, 0, $pos);

            if(isset($this->_namespaces[$namespace])) {
                $result = $this->_namespaces[$namespace];
            }
        }

        return $result;
    }