Strategy.php

<?php
namespace MyNamespace\View\Strategy;

use Zend\EventManager\ListenerAggregateInterface;
use Zend\ServiceManager\ServiceLocatorAwareInterface;
use Zend\ServiceManager\ServiceLocatorInterface;
use Zend\View\ViewEvent;


class MyStrategy implements ListenerAggregateInterface, ServiceLocatorAwareInterface
{
    public function selectRenderer (ViewEvent $e)
    {
        $viewModel = $e->getModel();
        switch(get_class($viewModel)){
            
            case 'Zend\View\Model\JsonModel':
                return $this->getServiceLocator()->get('viewJsonRenderer');
                break;
                
            case 'Zend\View\Model\ViewModel':
                return $this->getServiceLocator()->get('viewRenderer');
                break;
                
            case 'MyNamespace\MyModel':
                return $this->getServiceLocator()->get('myCustomRenderer');
                break;
                
            default:
                throw new \Exception('not supported renderer');
                break;
        }
    }
}