Moved login parameter fetching to the service itself

Command/SendCommand.php

@@ -20,10 +20,7 @@ class SendCommand extends ContainerAwareCommand
         $container = $this->getContainer();
 
         $sender = $container->get('gergelypolonkai_smssender.sender');
-        $sender->login(
-                $container->getParameter('username'),
-                $container->getParameter('password')
-        );
+        $sender->login();
         $sender->sendMessage($input->getArgument('recipient'), $input->getArgument('message'), array());
         $sender->logout();
     }

Service/Sender.php

@@ -34,9 +34,9 @@ class Sender
         );
     }
 
-    public function login($username, $password)
+    public function login()
     {
-        if ($this->sender->login($username, $password) === true) {
+        if ($this->sender->login($this->container->getParameter('username'), $this->container->getParameter('password')) === true) {
             $this->loggedIn = true;
         }
     }