[Validator] Implemented Image constraint

Author: Bernhard Schussek

src/Symfony/Component/Validator/Constraints/FileValidator.php

@@ -77,7 +77,7 @@ public function isValid($value, Constraint $constraint)
 
  if ($constraint->mimeTypes) {
  if (!$value instanceof FileObject) {
- throw new ConstraintValidationException();
+ $value = new FileObject($value);
  }
 
  if (!in_array($value->getMimeType(), (array)$constraint->mimeTypes)) {

src/Symfony/Component/Validator/Constraints/Image.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Symfony\Component\Validator\Constraints;
+
+/*
+ * This file is part of the Symfony framework.
+ *
+ * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+class Image extends File
+{
+ public $mimeTypes = array(
+ 'image/png',
+ 'image/jpg',
+ 'image/jpeg',
+ 'image/pjpeg',
+ 'image/gif',
+ );
+ public $mimeTypesMessage = 'This file is not a valid image';
+
+ /**
+ * @inheritDoc
+ */
+ public function validatedBy()
+ {
+ return __NAMESPACE__.'\FileValidator';
+ }
+}