Module-conditional setup in ZF2

Module.php

<?php

namespace MyFunnyValentine;

// Detect if the currently matched route belongs to this module.
// The assumption is that the controller name includes the module namespace.

class Module
{
    public function onBootstrap($e)
    {
        $app    = $e->getTarget();
        $events = $app->getEventManager();
        $events->attach('route', array($this, 'onRoute'), -100);
    }

    public function onRoute($e)
    {
        $matches = $e->getRouteMatch();
        if (!$matches instanceof \Zend\Mvc\Router\RouteMatch) {
            // No matches == not a match!
            return;
        }

        $controller = $matches->getParam('controller');
        if (__NAMESPACE__ != substr($controller, 0, strlen(__NAMESPACE__))) {
            // Namespace does not match!
            return;
        }

        // Namespace matches! Do something interesting!
    }
}