if ( is_null( $this->content ) ) {
$handler = $this->getContentHandler();
$this->content = $handler->unserializeContent( $this->text, $this->getFormat() );
if ( is_null( $this->content ) ) {
$handler = $this->getContentHandler();
$this->content = $handler->unserializeContent( $this->text, $this->getFormat() );