public function saveInto(DataObjectInterface $record)
 {
     if (!isset($_FILES[$this->name])) {
         return false;
     }
     $fileClass = File::get_class_for_file_extension(File::get_file_extension($_FILES[$this->name]['name'], PATHINFO_EXTENSION));
     if ($this->relationAutoSetting) {
         // assume that the file is connected via a has-one
         $objectClass = $record->hasOne($this->name);
         if ($objectClass === 'File' || empty($objectClass)) {
             // Create object of the appropriate file class
             $file = Object::create($fileClass);
         } else {
             // try to create a file matching the relation
             $file = Object::create($objectClass);
         }
     } else {
         if ($record instanceof File) {
             $file = $record;
         } else {
             $file = Object::create($fileClass);
         }
     }
     $this->upload->loadIntoFile($_FILES[$this->name], $file, $this->getFolderName());
     if ($this->upload->isError()) {
         return false;
     }
     if ($this->relationAutoSetting) {
         if (!$objectClass) {
             return false;
         }
         $file = $this->upload->getFile();
         $record->{$this->name . 'ID'} = $file->ID;
     }
     return $this;
 }