[TranslationDebug] workaround for getFallbackLocales.

aitboudad · aitboudad · commit 991d20aa2191 · 2016-11-09T18:59:09.000Z
diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/TranslationDebugCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/TranslationDebugCommand.php
@@ -19,6 +19,8 @@
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Translation\MessageCatalogue;
 use Symfony\Component\Translation\Translator;
+use Symfony\Component\Translation\DataCollectorTranslator;
+use Symfony\Component\Translation\LoggingTranslator;
 
 /**
  * Helps finding unused or missing translation messages in a given locale
@@ -157,21 +159,30 @@ protected function execute(InputInterface $input, OutputInterface $output)
         // Load the fallback catalogues
         $fallbackCatalogues = array();
         $translator = $this->getContainer()->get('translator');
-        if ($translator instanceof Translator) {
-            foreach ($translator->getFallbackLocales() as $fallbackLocale) {
-                if ($fallbackLocale === $locale) {
-                    continue;
-                }
 
-                $fallbackCatalogue = new MessageCatalogue($fallbackLocale);
-                foreach ($transPaths as $path) {
-                    $path = $path.'translations';
-                    if (is_dir($path)) {
-                        $loader->loadMessages($path, $fallbackCatalogue);
-                    }
+        $fallbackLocales = [];
+        if ($translator instanceof DataCollectorTranslator || $translator instanceof LoggingTranslator) {
+            try {
+                $fallbackLocales = $translator->getFallbackLocales();
+            } catch (\Throwable $e) {
+            }
+        } elseif ($translator instanceof Translator) {
+            $fallbackLocales = $translator->getFallbackLocales();
+        }
+
+        foreach ($fallbackLocales as $fallbackLocale) {
+            if ($fallbackLocale === $locale) {
+                continue;
+            }
+
+            $fallbackCatalogue = new MessageCatalogue($fallbackLocale);
+            foreach ($transPaths as $path) {
+                $path = $path.'translations';
+                if (is_dir($path)) {
+                    $loader->loadMessages($path, $fallbackCatalogue);
                 }
-                $fallbackCatalogues[] = $fallbackCatalogue;
             }
+            $fallbackCatalogues[] = $fallbackCatalogue;
         }
 
         // Display header line
