+<?php
+
+/*
+ * This file is part of the Behat Testwork.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Behat\Testwork\Translator\Cli;
+
+use Behat\Testwork\Cli\Controller;
+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\Translation\Translator;
+
+/**
+ * Configures translator service to use custom locale.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+final class LanguageController implements Controller
+{
+ /**
+ * @var Translator
+ */
+ private $translator;
+
+ /**
+ * Initializes controller.
+ *
+ * @param Translator $translator
+ */
+ public function __construct(Translator $translator)
+ {
+ $this->translator = $translator;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function configure(Command $command)
+ {
+ $command->addOption('--lang', null, InputOption::VALUE_REQUIRED,
+ 'Print output in particular language.'
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function execute(InputInterface $input, OutputInterface $output)
+ {
+ if (!$input->getOption('lang')) {
+ return;
+ }
+
+ $this->translator->setLocale($input->getOption('lang'));
+ }
+}