minor symfony#14316 [Translation] improved exception when missing required component (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
----------

[Translation] improved exception when missing required component

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | symfony#13194
| License       | MIT
| Doc PR        |

Commits
-------

c3bd418 improved exception when missing required component

Author: aitboudad

src/Symfony/Component/Translation/Dumper/YamlFileDumper.php

@@ -26,6 +26,10 @@ class YamlFileDumper extends FileDumper
      */
     protected function format(MessageCatalogue $messages, $domain)
     {
+        if (!class_exists('Symfony\Component\Yaml\Yaml')) {
+            throw new \LogicException('Dumping translations in the YAML format requires the Symfony Yaml component.');
+        }
+
         return Yaml::dump($messages->all($domain));
     }
 

src/Symfony/Component/Translation/Loader/CsvFileLoader.php

@@ -71,7 +71,10 @@ public function load($resource, $locale, $domain = 'messages')
         }
 
         $catalogue = parent::load($messages, $locale, $domain);
-        $catalogue->addResource(new FileResource($resource));
+
+        if (class_exists('Symfony\Component\Config\Resource\FileResource')) {
+            $catalogue->addResource(new FileResource($resource));
+        }
 
         return $catalogue;
     }

src/Symfony/Component/Translation/Loader/IcuDatFileLoader.php

@@ -52,7 +52,10 @@ public function load($resource, $locale, $domain = 'messages')
         $messages = $this->flatten($rb);
         $catalogue = new MessageCatalogue($locale);
         $catalogue->add($messages, $domain);
-        $catalogue->addResource(new FileResource($resource.'.dat'));
+
+        if (class_exists('Symfony\Component\Config\Resource\FileResource')) {
+            $catalogue->addResource(new FileResource($resource.'.dat'));
+        }
 
         return $catalogue;
     }

src/Symfony/Component/Translation/Loader/IcuResFileLoader.php

@@ -52,7 +52,10 @@ public function load($resource, $locale, $domain = 'messages')
         $messages = $this->flatten($rb);
         $catalogue = new MessageCatalogue($locale);
         $catalogue->add($messages, $domain);
-        $catalogue->addResource(new DirectoryResource($resource));
+
+        if (class_exists('Symfony\Component\Config\Resource\DirectoryResource')) {
+            $catalogue->addResource(new DirectoryResource($resource));
+        }
 
         return $catalogue;
     }

src/Symfony/Component/Translation/Loader/IniFileLoader.php

@@ -38,7 +38,10 @@ public function load($resource, $locale, $domain = 'messages')
         $messages = parse_ini_file($resource, true);
 
         $catalogue = parent::load($messages, $locale, $domain);
-        $catalogue->addResource(new FileResource($resource));
+
+        if (class_exists('Symfony\Component\Config\Resource\FileResource')) {
+            $catalogue->addResource(new FileResource($resource));
+        }
 
         return $catalogue;
     }

src/Symfony/Component/Translation/Loader/MoFileLoader.php

@@ -66,7 +66,10 @@ public function load($resource, $locale, $domain = 'messages')
         }
 
         $catalogue = parent::load($messages, $locale, $domain);
-        $catalogue->addResource(new FileResource($resource));
+
+        if (class_exists('Symfony\Component\Config\Resource\FileResource')) {
+            $catalogue->addResource(new FileResource($resource));
+        }
 
         return $catalogue;
     }

src/Symfony/Component/Translation/Loader/PhpFileLoader.php

@@ -42,7 +42,10 @@ public function load($resource, $locale, $domain = 'messages')
         $messages = require $resource;
 
         $catalogue = parent::load($messages, $locale, $domain);
-        $catalogue->addResource(new FileResource($resource));
+
+        if (class_exists('Symfony\Component\Config\Resource\FileResource')) {
+            $catalogue->addResource(new FileResource($resource));
+        }
 
         return $catalogue;
     }

src/Symfony/Component/Translation/Loader/PoFileLoader.php

@@ -44,7 +44,10 @@ public function load($resource, $locale, $domain = 'messages')
         }
 
         $catalogue = parent::load($messages, $locale, $domain);
-        $catalogue->addResource(new FileResource($resource));
+
+        if (class_exists('Symfony\Component\Config\Resource\FileResource')) {
+            $catalogue->addResource(new FileResource($resource));
+        }
 
         return $catalogue;
     }

src/Symfony/Component/Translation/Loader/QtFileLoader.php

@@ -68,7 +68,10 @@ public function load($resource, $locale, $domain = 'messages')
                 }
                 $translation = $translation->nextSibling;
             }
-            $catalogue->addResource(new FileResource($resource));
+
+            if (class_exists('Symfony\Component\Config\Resource\FileResource')) {
+                $catalogue->addResource(new FileResource($resource));
+            }
         }
 
         libxml_use_internal_errors($internalErrors);

src/Symfony/Component/Translation/Loader/XliffFileLoader.php

@@ -69,7 +69,10 @@ public function load($resource, $locale, $domain = 'messages')
 
             $catalogue->set((string) $source, $target, $domain);
         }
-        $catalogue->addResource(new FileResource($resource));
+
+        if (class_exists('Symfony\Component\Config\Resource\FileResource')) {
+            $catalogue->addResource(new FileResource($resource));
+        }
 
         return $catalogue;
     }