final StringBuilder buf = new StringBuilder(1000);
        int processedEntries = 0;
        int failedEntries = 0;

        try (final ArchiveInputStream ais =
                archiveStreamFactory.createArchiveInputStream(in.markSupported() ? in : new BufferedInputStream(in))) {
            ZipArchiveEntry entry = null;
            long contentSize = 0;
            while ((entry = (ZipArchiveEntry) ais.getNextEntry()) != null) {

        final StringBuilder buf = new StringBuilder(1000);
        int processedEntries = 0;
        int failedEntries = 0;

        try (final ArchiveInputStream ais = archiveStreamFactory.createArchiveInputStream("tar", in)) {
            TarArchiveEntry entry = null;
            long contentSize = 0;
            while ((entry = (TarArchiveEntry) ais.getNextEntry()) != null) {
                contentSize += entry.getSize();