concrete5 get path from controller

<?php  defined('C5_EXECUTE') or die('Access Denied.');

class JobController extends Controller {

    private $path;
    public function on_start() {    // do not use __construct()
            // BEST way to get the path in a controller?
        $this->path = Page::getCurrentPage()->getCollectionPath();
        // $this->path = $this->getCollectionObject()->getCollectionPath();
        // $this->path = Loader::helper('navigation')->getLinkToCollection(Page::getCurrentPage()); // adds slash
        // $this->path = View::url('job');      // adds trailing slash, and requires the name of the view :(
        // global $c;   $this->path = $c->getCollectionPath();  // global, feh
    }