Module as Route in ZF2

Module.php

<?php
namespace Application;

use Zend\Mvc\MvcEvent;
use Zend\Http\PhpEnvironment\Response;

class Module extends Response {

    //BootstrapListenerInterface
    public function onBootstrap(MvcEvent $event) {
        $eventManager = $event->getTarget()->getEventManager();
        $this->setContent('Hello World');

        $eventManager->attach(MvcEvent::EVENT_ROUTE, array($this, 'onDispatch'), 1000);
    }

    public function onDispatch(MvcEvent $event) {
        return $this->send();
    }
}