[Contracts] extract LocaleAwareInterface out of TranslatorInterface

Author: nicolas-grekas

Translation/LocaleAwareInterface.php

@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Contracts\Translation;
+
+interface LocaleAwareInterface
+{
+    /**
+     * Sets the current locale.
+     *
+     * @param string $locale The locale
+     *
+     * @throws \InvalidArgumentException If the locale contains invalid characters
+     */
+    public function setLocale($locale);
+
+    /**
+     * Returns the current locale.
+     *
+     * @return string The locale
+     */
+    public function getLocale();
+}

Translation/TranslatorInterface.php

@@ -62,20 +62,4 @@ interface TranslatorInterface
      * @throws \InvalidArgumentException If the locale contains invalid characters
      */
     public function trans($id, array $parameters = array(), $domain = null, $locale = null);
-
-    /**
-     * Sets the current locale.
-     *
-     * @param string $locale The locale
-     *
-     * @throws \InvalidArgumentException If the locale contains invalid characters
-     */
-    public function setLocale($locale);
-
-    /**
-     * Returns the current locale.
-     *
-     * @return string The locale
-     */
-    public function getLocale();
 }

Translation/TranslatorTrait.php

@@ -14,7 +14,7 @@
 use Symfony\Component\Translation\Exception\InvalidArgumentException;
 
 /**
- * A trait to help implement TranslatorInterface.
+ * A trait to help implement TranslatorInterface and LocaleAwareInterface.
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */