From d67fbe9e48b90c29c7e0d3ce19e5d1ef643ace7a Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Mon, 14 Nov 2011 13:21:49 +0100
Subject: [PATCH] [HttpFoundation] added an exception to
 MimeTypeGuesser::guess() when no guesser are available (closes #2636)

---
 .../File/MimeType/MimeTypeGuesser.php            | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/src/Symfony/Component/HttpFoundation/File/MimeType/MimeTypeGuesser.php b/src/Symfony/Component/HttpFoundation/File/MimeType/MimeTypeGuesser.php
index 23dd46324d..8802102063 100644
--- a/src/Symfony/Component/HttpFoundation/File/MimeType/MimeTypeGuesser.php
+++ b/src/Symfony/Component/HttpFoundation/File/MimeType/MimeTypeGuesser.php
@@ -110,16 +110,14 @@ class MimeTypeGuesser implements MimeTypeGuesserInterface
             throw new AccessDeniedException($path);
         }
 
-        $mimeType = null;
-
-        foreach ($this->guessers as $guesser) {
-            $mimeType = $guesser->guess($path);
-
-            if (null !== $mimeType) {
-                break;
-            }
+        if (!$this->guessers) {
+            throw new \LogicException('Unable to guess the mime type as no guesser are available.');
         }
 
-        return $mimeType;
+        foreach ($this->guessers as $guesser) {
+            if (null !== $mimeType = $guesser->guess($path)) {
+                return $mimeType;
+            }
+        }
     }
 }