public List listFiles()

in pekko-connectors-sample-rotate-logs-to-ftp/src/main/java/playground/filesystem/impl/JimfsFtpFile.java [251:294]

32 lines of code
7 McCabe index (conditional complexity)


    public List<FtpFile> listFiles() {

        // is a directory
        if (!Files.isDirectory(path)) {
            return null;
        }

        // directory - return all the files
        DirectoryStream<Path> filesStream = null;
        try {
            filesStream = Files.newDirectoryStream(path);
        } catch(IOException t) {
            LOG.error(t.getMessage());
        }

        if (filesStream == null) {
            return null;
        }

        List<Path> files = new ArrayList<>();
        for (Path path : filesStream) {
            files.add(path);
        }

        // make sure the files are returned in order
        Collections.sort(files, new Comparator<Path>() {
            public int compare(Path o1, Path o2) {
                return o1.getFileName().compareTo(o2.getFileName());
            }
        });

        // get the virtual name of the base directory
        final String virtualFileStr =
                getAbsolutePath().charAt(getAbsolutePath().length() - 1) != '/'
                        ? getAbsolutePath() + '/' : getAbsolutePath();

        // now return all the files under the directory
        List<FtpFile> virtualFiles = new ArrayList<>(files.size());
        for (Path file : files) {
            String fileName = virtualFileStr + file.getFileName();
            virtualFiles.add(new JimfsFtpFile(fileName, file, user));
        }
        return virtualFiles;
    }