Java TarArchiveEntry.getLinkName方法代码示例

import org.apache.commons.compress.archivers.tar.TarArchiveEntry; //导入方法依赖的package包/类
protected TarDriverEntry(
        final String name,
        final TarArchiveEntry template) {
    super(name, true);
    //this.init = SIZE | MODTIME;
    super.setMode(template.getMode());
    this.setModTime0(template.getModTime().getTime());
    this.setSize0(template.getSize());
    super.setUserId(template.getLongUserId());
    super.setUserName(template.getUserName());
    super.setGroupId(template.getLongGroupId());
    super.setGroupName(template.getGroupName());
    super.setLinkName(template.getLinkName());
    super.setDevMajor(template.getDevMajor());
    super.setDevMinor(template.getDevMinor());
}
 

import org.apache.commons.compress.archivers.tar.TarArchiveEntry; //导入方法依赖的package包/类
private static void unpackEntries(TarArchiveInputStream tis,
    TarArchiveEntry entry, File outputDir) throws IOException {
  if (entry.isDirectory()) {
    File subDir = new File(outputDir, entry.getName());
    if (!subDir.mkdirs() && !subDir.isDirectory()) {
      throw new IOException("Mkdirs failed to create tar internal dir "
          + outputDir);
    }

    for (TarArchiveEntry e : entry.getDirectoryEntries()) {
      unpackEntries(tis, e, subDir);
    }

    return;
  }

  File outputFile = new File(outputDir, entry.getName());
  if (!outputFile.getParentFile().exists()) {
    if (!outputFile.getParentFile().mkdirs()) {
      throw new IOException("Mkdirs failed to create tar internal dir "
          + outputDir);
    }
  }

  if (entry.isLink()) {
    File src = new File(outputDir, entry.getLinkName());
    HardLink.createHardLink(src, outputFile);
    return;
  }

  int count;
  byte data[] = new byte[2048];
  try (BufferedOutputStream outputStream = new BufferedOutputStream(
      new FileOutputStream(outputFile));) {

    while ((count = tis.read(data)) != -1) {
      outputStream.write(data, 0, count);
    }

    outputStream.flush();
  }
}
 

import org.apache.commons.compress.archivers.tar.TarArchiveEntry; //导入方法依赖的package包/类
private static void extractArchive(Path destDir, TarArchiveInputStream archive, ExtractListener listener)
    throws IOException
{
    String prefix = destDir.toString();
    TarArchiveEntry entry;
    while (true) {
        entry = archive.getNextTarEntry();
        if (entry == null) {
            break;
        }
        Path path = destDir.resolve(entry.getName()).normalize();
        if (!path.toString().startsWith(prefix)) {
            throw new RuntimeException("Archive includes an invalid entry: " + entry.getName());
        }
        if (entry.isDirectory()) {
            Files.createDirectories(path);
        }
        else if (entry.isSymbolicLink()) {
            Files.createDirectories(path.getParent());
            String dest = entry.getLinkName();
            Path destAbsPath = path.getParent().resolve(dest).normalize();
            if (!destAbsPath.normalize().toString().startsWith(prefix)) {
                throw new RuntimeException("Archive includes an invalid symlink: " + entry.getName() + " -> " + dest);
            }
            if (listener != null) {
                listener.symlink(destDir.relativize(path), dest);
            }
            Files.createSymbolicLink(path, Paths.get(dest));
        }
        else {
            Files.createDirectories(path.getParent());
            if (listener != null) {
                listener.file(destDir.relativize(path));
            }
            try (OutputStream out = Files.newOutputStream(path)) {
                ByteStreams.copy(archive, out);
            }
        }
        if (!Files.isSymbolicLink(path)) {
            Files.setPosixFilePermissions(path, getPosixFilePermissions(entry));
        }
    }
}