Java 实现解压 .tar.gz 这种格式的压缩包,递归文件夹,找到tar.gz 格式的压缩包,并且进行解压,解压到这个压缩包所在的文件夹下

2023-12-01 10:25:48 浏览数 (1)

1 问题

Java 实现解压 TR_2023063012.tar.gz 这种格式的压缩包

递归文件夹,找到tar.gz 格式的压缩包,并且进行解压,解压到这个压缩包所在的文件夹下

2 实现

代码语言:javascript复制
  public static void main(String[] args) {

        String depth = "D:\data";
        ArrayList<String> strings = new ArrayList<>();
        List<String> gz = FileUtils.listFile(strings, new File(depth), true, "gz");
        for (String  item:gz){
            File file = new File(item);
            File parentFile = file.getParentFile();
            String absolutePath = parentFile.getAbsolutePath();

                    try {
            uncompressTarGz(item, absolutePath);
            System.out.println("File uncompressed successfully.");
        } catch (IOException e) {
            e.printStackTrace();
        }
            System.out.println(item);
        }


//        String inputFilePath = "D:\059\data\RAIN_GRIB\2023060200\TR_2023060200.tar.gz"; // 压缩包文件路径
//        String outputFolderPath = "D:\059\data\RAIN_GRIB\2023060200\"; // 解压输出文件夹路径
//
//        try {
//            uncompressTarGz(inputFilePath, outputFolderPath);
//            System.out.println("File uncompressed successfully.");
//        } catch (IOException e) {
//            e.printStackTrace();
//        }
    }

    private static void uncompressTarGz(String inputFilePath, String outputFolderPath) throws IOException {
        try (FileInputStream fileInputStream = new FileInputStream(inputFilePath);
             BufferedInputStream bufferedInputStream = new BufferedInputStream(fileInputStream);
             GzipCompressorInputStream gzipInputStream = new GzipCompressorInputStream(bufferedInputStream);
             TarArchiveInputStream tarInputStream = new TarArchiveInputStream(gzipInputStream)) {

            TarArchiveEntry entry;
            while ((entry = (TarArchiveEntry) tarInputStream.getNextEntry()) != null) {
                if (!entry.isDirectory()) {
                    File outputFile = new File(outputFolderPath, entry.getName());
                    createParentDirectory(outputFile);

                    try (OutputStream outputStream = new FileOutputStream(outputFile)) {
                        byte[] buffer = new byte[1024];
                        int length;
                        while ((length = tarInputStream.read(buffer)) != -1) {
                            outputStream.write(buffer, 0, length);
                        }
                    }
                }
            }
        }
    }

    private static void createParentDirectory(File file) {
        File parent = file.getParentFile();
        if (parent != null && !parent.exists()) {
            parent.mkdirs();
        }
    }

0 人点赞