* @param path the page path to check
     * @return true if the page exists, false otherwise
     */
    private boolean existsPage(final String path) {
        final String realPath = LaServletContextUtil.getServletContext().getRealPath(path);
        final File file = new File(realPath);
        return file.isFile();
    }

    /**
     * Creates cached content with highlighting for a document.