/**
     * @param eZContentObjectTreeNode $node
     * @param string $cluster
     * @return string
     */
    public static function getApplicationFromNode ( $node, $cluster = null )
    {
        $publisherFolderPath = PublisherFolderTool::getPublisherFolderPathFromArticleNode($node);

        if ( $publisherFolderPath === false )
            return false;

        return PublisherFolderTool::getPrefferedApplicationFromPath($publisherFolderPath, $cluster);
    }