private static Set tryReadFromDirectory()

in src/main/java/org/jetbrains/nativecerts/linux/LinuxTrustedCertificatesUtil.java [66:87]

• 20 lines of code
• 5 McCabe index (conditional complexity)

    private static Set<X509Certificate> tryReadFromDirectory(@NotNull Path dir) {
        if (!Files.isDirectory(dir)) {
            LOGGER.fine("Not reading certificates from " + dir + ": not a directory");
            return Collections.emptySet();
        }

        LOGGER.fine("Reading certificates from " + dir + ": file does not exist");
        try (Stream<Path> filesStream = Files.list(dir)) {
            List<Path> paths = filesStream.collect(Collectors.toList());

            Set<X509Certificate> result = new HashSet<>();
            for (Path path : paths) {
                if (Files.isRegularFile(path)) {
                    result.addAll(tryReadFromFile(path));
                }
            }
            return result;
        } catch (Throwable t) {
            LOGGER.warning(renderExceptionMessage("Unable to read certificates from directory " + dir, t));
            return Collections.emptySet();
        }
    }