/** Restore a changed message back to its original state */
 private function restoreMessage(Swift_Mime_Message $message)
 {
     if ($this->lastMessage === $message) {
         if (isset($this->originalBody)) {
             $message->setBody($this->originalBody);
             $this->originalBody = null;
         }
         if (!empty($this->originalHeaders)) {
             foreach ($message->getHeaders()->getAll() as $header) {
                 if (array_key_exists($header->getFieldName(), $this->originalHeaders)) {
                     $header->setFieldBodyModel($this->originalHeaders[$header->getFieldName()]);
                 }
             }
             $this->originalHeaders = array();
         }
         if (!empty($this->originalChildBodies)) {
             $children = (array) $message->getChildren();
             foreach ($children as $child) {
                 $id = $child->getId();
                 if (array_key_exists($id, $this->originalChildBodies)) {
                     $child->setBody($this->originalChildBodies[$id]);
                 }
             }
             $this->originalChildBodies = array();
         }
         $this->lastMessage = null;
     }
 }
 /** Restore a changed message back to its original state */
 private function _restoreMessage(Swift_Mime_Message $message)
 {
   if ($this->_lastMessage === $message)
   {
     if (isset($this->_originalBody))
     {
       $message->setBody($this->_originalBody);
       $this->_originalBody = null;
     }
     if (isset($this->_originalSubject))
     {
       $message->setSubject($this->_originalSubject);
       $this->_originalSubject = null;
     }
     if (!empty($this->_originalChildBodies))
     {
       $children = (array) $message->getChildren();
       foreach ($children as $child)
       {
         $id = $child->getId();
         if (array_key_exists($id, $this->_originalChildBodies))
         {
           $child->setBody($this->_originalChildBodies[$id]);
         }
       }
       $this->_originalChildBodies = array();
     }
     $this->_lastMessage = null;
   }
 }
 /**
  * Gets MIME parts that match the message type.
  * Excludes parts of type \Swift_Mime_Attachment as those
  * are handled later.
  *
  * @param  Swift_Mime_Message  $message
  * @param  string              $mimeType
  * @return Swift_Mime_MimePart
  */
 private function getMIMEPart(\Swift_Mime_Message $message, $mimeType)
 {
     foreach ($message->getChildren() as $part) {
         if (strpos($part->getContentType(), $mimeType) === 0 && !$part instanceof \Swift_Mime_Attachment) {
             return $part;
         }
     }
 }
 /**
  * @param Swift_Mime_Message $message
  * @param string              $mimeType
  * @return Swift_Mime_MimePart
  */
 protected function getMIMEPart(\Swift_Mime_Message $message, $mimeType)
 {
     foreach ($message->getChildren() as $part) {
         if (strpos($part->getContentType(), $mimeType) === 0) {
             return $part;
         }
     }
 }