protected function getHeadLinkHelper()
    {
        if ( $this->headLinkHelper )
        {
            return $this->headLinkHelper;
        }

        if ( method_exists( $this->view, 'plugin' ) )
        {
            $this->headLinkHelper = $this->view
                                         ->plugin( 'headLink' );
        }

        if ( ! $this->headLinkHelper instanceof HeadLink )
        {
            $this->headLinkHelper = new HeadLink();
        }

        return $this->headLinkHelper;
    }