function store($updateNulls = false)
 {
     if ($this->source != '') {
         if ($this->name == '') {
             $this->name = 'Guest';
         } else {
             $this->name = JCommentsMigrationTool::processName($this->name);
         }
         if ($this->username == '') {
             $this->username = $this->name;
         } else {
             $this->username = JCommentsMigrationTool::processName($this->username);
         }
         $this->email = strip_tags($this->email);
         $this->homepage = strip_tags($this->homepage);
         $this->title = strip_tags($this->title);
         $this->comment = JCommentsMigrationTool::processComment(stripslashes($this->comment));
         if (!isset($this->source_id)) {
             $this->source_id = 0;
         }
     }
     return parent::store($updateNulls);
 }