resolving deprecated private service injection on commands classes

Command/LoadPostalCodesCommand.php

@@ -19,21 +19,48 @@
 
 namespace Chill\MainBundle\Command;
 
-use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
+use Doctrine\ORM\EntityManager;
+use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Filesystem\Filesystem;
 use Chill\MainBundle\Entity\PostalCode;
+use Symfony\Component\Validator\Validator\ValidatorInterface;
 
 /**
- * 
+ * Class LoadPostalCodesCommand
  *
+ * @package Chill\MainBundle\Command
  * @author Julien Fastré <julien.fastre@champs-libres.coop>
  */
-class LoadPostalCodesCommand extends ContainerAwareCommand
+class LoadPostalCodesCommand extends Command
 {
+    
+    /**
+     * @var EntityManager
+     */
+    private $entityManager;
+    
+    /**
+     * @var ValidatorInterface
+     */
+    private $validator;
+    
+    /**
+     * LoadPostalCodesCommand constructor.
+     *
+     * @param EntityManager $entityManager
+     * @param ValidatorInterface $validator
+     */
+    public function __construct(EntityManager $entityManager, ValidatorInterface $validator)
+    {
+        $this->entityManager = $entityManager;
+        $this->validator = $validator;
+        parent::__construct();
+    }
+    
     protected function configure()
     {
         $this->setName('chill:main:postal-code:populate')
@@ -105,7 +132,7 @@ class LoadPostalCodesCommand extends ContainerAwareCommand
             $line ++;
         }
         
-        $this->getContainer()->get('doctrine.orm.entity_manager')->flush();
+        $this->entityManager->flush();
         
         $output->writeln('<info>'.$num.' were added !</info>');
     }
@@ -134,7 +161,7 @@ class LoadPostalCodesCommand extends ContainerAwareCommand
         if ($output->getVerbosity() >= OutputInterface::VERBOSITY_VERBOSE) {
             $output->writeln('handling row: '. $row[0].' | '. $row[1].' | '. $row[2]);
         }
-        $em = $this->getContainer()->get('doctrine.orm.entity_manager');
+        $em = $this->entityManager;
         $country = $em
                 ->getRepository('ChillMainBundle:Country')
                 ->findOneBy(array('countryCode' => $row[2]));
@@ -160,7 +187,7 @@ class LoadPostalCodesCommand extends ContainerAwareCommand
                 ->setCountry($country)
                 ;
         
-        $errors = $this->getContainer()->get('validator')->validate($postalCode);
+        $errors = $this->validator->validate($postalCode);
         
         if ($errors->count() == 0) {
             $em->persist($postalCode);