Examples of org.apache.commons.compress.archivers.tar.TarArchiveInputStream

Package org.apache.commons.compress.archivers.tar

Examples of org.apache.commons.compress.archivers.tar.TarArchiveInputStream

org.apache.commons.compress.archivers.tar.TarArchiveInputStream
The TarInputStream reads a UNIX tar archive as an InputStream. methods are provided to position at each successive entry in the archive, and the read each entry as a normal input stream using read(). @NotThreadSafe


    public void testExplicitDirectoryEntry() throws Exception {
        File[] tmp = createTempDirAndFile();
        File archive = null;
        TarArchiveOutputStream tos = null;
        TarArchiveInputStream tis = null;
        try {
            archive = File.createTempFile("test.", ".tar", tmp[0]);
            archive.deleteOnExit();
            tos = new TarArchiveOutputStream(new FileOutputStream(archive));
            long beforeArchiveWrite = tmp[0].lastModified();
            TarArchiveEntry in = new TarArchiveEntry("foo/");
            in.setModTime(beforeArchiveWrite);
            tos.putArchiveEntry(in);
            tos.closeArchiveEntry();
            tos.close();
            tos = null;
            tis = new TarArchiveInputStream(new FileInputStream(archive));
            TarArchiveEntry out = tis.getNextTarEntry();
            tis.close();
            tis = null;
            assertNotNull(out);
            assertEquals("foo/", out.getName());
            assertEquals(0, out.getSize());
            assertEquals(beforeArchiveWrite / 1000,
                         out.getLastModifiedDate().getTime() / 1000);
            assertTrue(out.isDirectory());
        } finally {
            if (tis != null) {
                tis.close();
            }
            if (tos != null) {
                tos.close();
            }
            tryHardToDelete(archive);

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    public void testFileEntryFromFile() throws Exception {
        File[] tmp = createTempDirAndFile();
        File archive = null;
        TarArchiveOutputStream tos = null;
        TarArchiveInputStream tis = null;
        FileInputStream fis = null;
        try {
            archive = File.createTempFile("test.", ".tar", tmp[0]);
            archive.deleteOnExit();
            tos = new TarArchiveOutputStream(new FileOutputStream(archive));
            TarArchiveEntry in = new TarArchiveEntry(tmp[1], "foo");
            tos.putArchiveEntry(in);
            byte[] b = new byte[(int) tmp[1].length()];
            fis = new FileInputStream(tmp[1]);
            while (fis.read(b) > 0) {
                tos.write(b);
            }
            fis.close();
            fis = null;
            tos.closeArchiveEntry();
            tos.close();
            tos = null;
            tis = new TarArchiveInputStream(new FileInputStream(archive));
            TarArchiveEntry out = tis.getNextTarEntry();
            tis.close();
            tis = null;
            assertNotNull(out);
            assertEquals("foo", out.getName());
            assertEquals(tmp[1].length(), out.getSize());
            assertEquals(tmp[1].lastModified() / 1000,
                         out.getLastModifiedDate().getTime() / 1000);
            assertFalse(out.isDirectory());
        } finally {
            if (tis != null) {
                tis.close();
            }
            if (tos != null) {
                tos.close();
            }
            tryHardToDelete(archive);

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    public void testExplicitFileEntry() throws Exception {
        File[] tmp = createTempDirAndFile();
        File archive = null;
        TarArchiveOutputStream tos = null;
        TarArchiveInputStream tis = null;
        FileInputStream fis = null;
        try {
            archive = File.createTempFile("test.", ".tar", tmp[0]);
            archive.deleteOnExit();
            tos = new TarArchiveOutputStream(new FileOutputStream(archive));
            TarArchiveEntry in = new TarArchiveEntry("foo");
            in.setModTime(tmp[1].lastModified());
            in.setSize(tmp[1].length());
            tos.putArchiveEntry(in);
            byte[] b = new byte[(int) tmp[1].length()];
            fis = new FileInputStream(tmp[1]);
            while (fis.read(b) > 0) {
                tos.write(b);
            }
            fis.close();
            fis = null;
            tos.closeArchiveEntry();
            tos.close();
            tos = null;
            tis = new TarArchiveInputStream(new FileInputStream(archive));
            TarArchiveEntry out = tis.getNextTarEntry();
            tis.close();
            tis = null;
            assertNotNull(out);
            assertEquals("foo", out.getName());
            assertEquals(tmp[1].length(), out.getSize());
            assertEquals(tmp[1].lastModified() / 1000,
                         out.getLastModifiedDate().getTime() / 1000);
            assertFalse(out.isDirectory());
        } finally {
            if (tis != null) {
                tis.close();
            }
            if (tos != null) {
                tos.close();
            }
            tryHardToDelete(archive);

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        if ("ar".equalsIgnoreCase(archiverName)) {
            return new ArArchiveInputStream(in);
        } else if ("zip".equalsIgnoreCase(archiverName)) {
            return new ZipArchiveInputStream(in);
        } else if ("tar".equalsIgnoreCase(archiverName)) {
            return new TarArchiveInputStream(in);
        } else if ("jar".equalsIgnoreCase(archiverName)) {
            return new JarArchiveInputStream(in);
        } else if ("cpio".equalsIgnoreCase(archiverName)) {
            return new CpioArchiveInputStream(in);
        }

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            final byte[] tarheader = new byte[512];
            in.mark(tarheader.length);
            signatureLength = in.read(tarheader);
            in.reset();
            if (TarArchiveInputStream.matches(tarheader, signatureLength)) {
                return new TarArchiveInputStream(in);
            }
        } catch (IOException e) {
            throw new ArchiveException("Could not use reset and mark operations.", e);
        }

View Full Code Here

  }
  
  private static void unTarUsingJava(File inFile, File untarDir,
      boolean gzipped) throws IOException {
    InputStream inputStream = null;
    TarArchiveInputStream tis = null;
    try {
      if (gzipped) {
        inputStream = new BufferedInputStream(new GZIPInputStream(
            new FileInputStream(inFile)));
      } else {
        inputStream = new BufferedInputStream(new FileInputStream(inFile));
      }


      tis = new TarArchiveInputStream(inputStream);


      for (TarArchiveEntry entry = tis.getNextTarEntry(); entry != null;) {
        unpackEntries(tis, entry, untarDir);
        entry = tis.getNextTarEntry();
      }
    } finally {
      IOUtils.cleanup(LOG, tis, inputStream);
    }
  }

View Full Code Here


    private void extractTarGzDistribution(URL sourceDistribution, File targetFolder) throws IOException,
            FileNotFoundException {
        File uncompressedFile = File.createTempFile("uncompressedTarGz-", ".tar");
        extractGzArchive(sourceDistribution.openStream(), uncompressedFile);
        extract(new TarArchiveInputStream(new FileInputStream(uncompressedFile)), targetFolder);
        FileUtils.forceDelete(uncompressedFile);
    }

View Full Code Here

        extract(new ZipArchiveInputStream(is), targetDir);
    }


    protected static void extractUnixKit(File targetDir) throws Exception {
        InputStream is = Helper.class.getResourceAsStream("/karaf.tar.gz");
        extract(new TarArchiveInputStream(new GzipCompressorInputStream(is)), targetDir);
        File bin = new File(targetDir, "bin");
        String[] files = bin.list();
        List<String> args = new ArrayList();
        Collections.addAll(args, "chmod", "+x");
        Collections.addAll(args, files);

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   }


   private List<File> unTar(final File inputFile, final File outputDir) throws Exception {
      final List<File> untarredFiles = Lists.newArrayList();
      final InputStream is = new FileInputStream(inputFile);
      final TarArchiveInputStream tarArchiveInputStream = (TarArchiveInputStream)
              new ArchiveStreamFactory().createArchiveInputStream("tar", is);
      TarArchiveEntry entry;
      while ((entry = (TarArchiveEntry) tarArchiveInputStream.getNextEntry()) != null) {
         final File outputFile = new File(outputDir, entry.getName());
         if (entry.isDirectory()) {
            if (!outputFile.exists()) {
               if (!outputFile.mkdirs()) {
                  throw new IllegalStateException(String.format("Couldn't create directory %s.", outputFile.getAbsolutePath()));
               }
            }
         } else {
            OutputStream outputFileStream = new FileOutputStream(outputFile);
            ByteStreams.copy(tarArchiveInputStream, outputFileStream);
            outputFileStream.close();
         }
         untarredFiles.add(outputFile);
      }
      tarArchiveInputStream.close();
      return untarredFiles;
   }

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        tos.close();
    }


    public static void read() throws Throwable {
        FileInputStream fis = new FileInputStream("C:\\X2.tgz");
        TarArchiveInputStream tis = new TarArchiveInputStream(new GZIPInputStream(fis));
        while (true) {
            TarArchiveEntry entry = tis.getNextTarEntry();
            if (entry == null)
                break;
            System.out.println(entry.getName());
        }
    }

View Full Code Here

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