log.info("Using root path: '" + path + "'");
if ( log.isDebugEnabled() ) { log.debug("Using root path: '" + path + "'"); }
    public AbstractFileSystemService(String path)    {        log.info("Using root path: '" + path + "'");        this.root = path;                File rootDirectory = new File(this.root);        if (                ! rootDirectory.isDirectory() ||                ! rootDirectory.canRead() ||                 ! rootDirectory.canWrite()            )            throw new IllegalArgumentException("Invalid directory specified for file system service.");    }