public static void extractArchive()

in src/main/java/org/apache/netbeans/nbpackage/ArchiveUtils.java [102:138]
36 lines of code
7 McCabe index (conditional complexity)

    public static void extractArchive(Path archivePath, Path extractToDirectory)
            throws IOException, CompressorException, ArchiveException {
        try (InputStream jdkInputStream = new BufferedInputStream(Files.newInputStream(archivePath))) {
            String compressorType = null;
            try {
                compressorType = CompressorStreamFactory.detect(jdkInputStream);
            } catch (CompressorException exception) {
                LOG.log(System.Logger.Level.DEBUG, "Didn't detect any compression for archive " + archivePath + ": " + exception.getMessage());
            }
            InputStream decompressedJdkInputStream = jdkInputStream;
            if (compressorType != null) {
                decompressedJdkInputStream = new BufferedInputStream(
                        CompressorStreamFactory.getSingleton().createCompressorInputStream(compressorType, jdkInputStream));
            }

            switch (ArchiveStreamFactory.detect(decompressedJdkInputStream)) {
                case ArchiveStreamFactory.ZIP:
                    if (compressorType != null) {
                        LOG.log(System.Logger.Level.ERROR, "Cannot extract Zip archives that are wrapped in additional compression");
                    } else {
                        extractZipArchive(archivePath, extractToDirectory);
                    }
                    break;
                case ArchiveStreamFactory.JAR:
                    extractJarArchive(decompressedJdkInputStream, extractToDirectory);
                    break;
                case ArchiveStreamFactory.TAR:
                    extractTarArchive(decompressedJdkInputStream, extractToDirectory);
                    break;
                default:
                    LOG.log(System.Logger.Level.ERROR, "No special handling for archive type " + archivePath
                            + ". Permissions and links will not be properly handled.");
                    extractGenericArchive(decompressedJdkInputStream, extractToDirectory);
                    break;
            }
        }
    }