java - 用Java打开debian包

Question

Java 中是否有用于解压缩 .deb (debian) 存档的库？不幸的是，我还没有找到任何有用的东西。谢谢。

Answer 1

如果您通过解压来提取文件，那么应该可以使用Apache Commons Compress。.deb 文件被“实现为 ar 档案”，Commons Compress 能够解压缩 ar 档案。

Answer 2

好的，所以正如我所建议的那样，我使用了 apache commons compress，这是一种可以解决问题的方法。从 maven repo 下载它：http: //mvnrepository.com/artifact/org.apache.commons/commons-compress/1.2。

/**
 * Unpack a deb archive provided as an input file, to an output directory.
 * <p>
 * 
 * @param inputDeb      the input deb file.
 * @param outputDir     the output directory.
 * @throws IOException 
 * @throws ArchiveException 
 * 
 * @returns A {@link List} of all the unpacked files.
 * 
 */
private static List<File> unpack(final File inputDeb, final File outputDir) throws IOException, ArchiveException {

    LOG.info(String.format("Unzipping deb file %s.", deb.getAbsoluteFile()));
    LOG.info(String.format("Into dir %s.", outDir.getAbsoluteFile()));

    final List<File> unpackedFiles = new LinkedList<File>();
    final InputStream is = new FileInputStream(inputDeb); 
    final ArArchiveInputStream debInputStream = (ArArchiveInputStream) new ArchiveStreamFactory().createArchiveInputStream("ar", is);
    ArArchiveEntry entry = null; 
    while ((entry = (ArArchiveEntry)debInputStream.getNextEntry()) != null) {
        LOG.info("Read entry");
        final File outputFile = new File(outputDir, entry.getName());
        final OutputStream outputFileStream = new FileOutputStream(outputFile); 
        IOUtils.copy(debInputStream, outputFileStream);
        outputFileStream.close();
        unpackedFiles.add(outputFile);
    }
    debInputStream.close(); 
    return unpackedFiles;
}