Example usage for org.apache.commons.compress.archivers.tar TarArchiveInputStream read

Introduction

In this page you can find the example usage for org.apache.commons.compress.archivers.tar TarArchiveInputStream read.

Prototype

public int read(byte b[]) throws IOException 

Source Link

Document

Reads some number of bytes from the input stream and stores them into the buffer array b.

Usage

From source file:org.jboss.tools.runtime.core.extract.internal.UntarUtility.java

public IStatus extract(File dest, IOverwrite overwriteQuery, IProgressMonitor monitor) throws CoreException {
    String possibleRoot = null;//from   w  w w.jav  a2s  .  c  o m
    try {
        dest.mkdir();
        TarArchiveInputStream tarIn = getTarArchiveInputStream(file);
        TarArchiveEntry tarEntry = tarIn.getNextTarEntry();
        while (tarEntry != null) {
            String name = tarEntry.getName();
            File destPath = new File(dest, name);
            if (tarEntry.isDirectory()) {
                destPath.mkdirs();
            } else {
                destPath.createNewFile();
                byte[] btoRead = new byte[1024];
                try (BufferedOutputStream bout = new BufferedOutputStream(new FileOutputStream(destPath))) {
                    int length = 0;
                    while ((length = tarIn.read(btoRead)) != -1) {
                        bout.write(btoRead, 0, length);
                    }
                }
            }

            // Lets check for a possible root, to avoid scanning the archive again later
            possibleRoot = checkForPossibleRootEntry(possibleRoot, name);

            tarEntry = tarIn.getNextTarEntry();
        }
        tarIn.close();
    } catch (IOException ioe) {
        throw new CoreException(new Status(IStatus.ERROR, RuntimeCoreActivator.PLUGIN_ID, 0,
                NLS.bind("Error extracting runtime {0}", ioe.getLocalizedMessage()), ioe)); //$NON-NLS-1$
    }
    this.discoveredRoot = possibleRoot;
    return Status.OK_STATUS;
}

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From source file:org.jwifisd.eyefi.EyeFiServer.java

/**
 * eyefi sends the files tarred w will have to untar it first.
 * /*w w  w  .  j  a  v a2s .  c  o  m*/
 * @param tarFile
 *            the tar file
 * @param out
 *            output stream to write the untarred contents.
 * @return true if successful
 * @throws Exception
 *             if the file could not be untarred.
 */
private boolean extractTarFile(File tarFile, OutputStream out) throws Exception {
    boolean result = false;
    byte[] tarBytes = IOUtils.toByteArray(new FileInputStream(tarFile));
    // This is stangege but posix was not correctly detected by the apache
    // lib, so we change some bytes so the detection will work.
    System.arraycopy(TarConstants.MAGIC_POSIX.getBytes("US-ASCII"), 0, tarBytes, TarConstants.MAGIC_OFFSET,
            TarConstants.MAGICLEN);

    TarArchiveInputStream tar = new TarArchiveInputStream(new ByteArrayInputStream(tarBytes));

    final byte[] buffer = new byte[BUFFER_SIZE];
    try {
        ArchiveEntry tarEntry = tar.getNextEntry();
        if (tarEntry != null) {
            int n = 0;
            while ((n = tar.read(buffer)) >= 0) {
                out.write(buffer, 0, n);
            }
            result = true;
        }
    } finally {
        tar.close();
        out.close();
    }
    return result;
}

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From source file:org.lobid.lodmill.TarReader.java

@Override
public void process(final Reader reader) {
    TarArchiveInputStream tarInputStream = null;
    try {//from  www  . j  a v  a 2  s. co  m
        tarInputStream = new TarArchiveInputStream(new ReaderInputStream(reader));
        TarArchiveEntry entry = null;
        while ((entry = (TarArchiveEntry) tarInputStream.getNextEntry()) != null) {
            if (!entry.isDirectory()) {
                byte[] buffer = new byte[(int) entry.getSize()];
                while ((tarInputStream.read(buffer)) > 0) {
                    getReceiver().process(new StringReader(new String(buffer)));
                }
            }
        }
        tarInputStream.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(tarInputStream);
    }
}

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From source file:org.opentestsystem.delivery.testreg.transformer.TarUnbundler.java

public byte[][] unbundle(File bundledFile) throws IOException {

    TarArchiveInputStream tarInputStream = new TarArchiveInputStream(new FileInputStream(bundledFile));
    List<byte[]> byteArrays = new ArrayList<byte[]>();
    ByteArrayOutputStream bytesOut = null;

    TarArchiveEntry entry = null;//from www  . ja  v a  2s.c  o  m

    while ((entry = tarInputStream.getNextTarEntry()) != null) {

        byte[] buffer = new byte[4096];
        int len = 0;
        bytesOut = new ByteArrayOutputStream();

        while ((len = tarInputStream.read(buffer)) > 0) {
            bytesOut.write(buffer, 0, len);
        }

        byteArrays.add(entry.getName().getBytes());
        byteArrays.add(bytesOut.toByteArray());

        bytesOut.close();
    }

    tarInputStream.close();

    return byteArrays.toArray(new byte[0][]);
}

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From source file:org.robovm.compilerhelper.Archiver.java

public static void unarchive(File archiveFile, File destinationDirectory) throws IOException {

    TarArchiveInputStream tar = new TarArchiveInputStream(
            new GzipCompressorInputStream(new BufferedInputStream(new FileInputStream(archiveFile))));

    destinationDirectory.mkdirs();/*  w w  w .ja  v a2  s  . c  o m*/
    TarArchiveEntry entry = tar.getNextTarEntry();
    while (entry != null) {
        File f = new File(destinationDirectory, entry.getName());
        if (entry.isDirectory()) {
            f.mkdirs();
            entry = tar.getNextTarEntry();
            continue;
        }

        // TODO make this a bit cleaner
        String parentDir = f.getPath();
        if (parentDir != null) {
            new File(parentDir.substring(0, parentDir.lastIndexOf(File.separator))).mkdirs();
        }

        f.createNewFile();
        byte[] bytes = new byte[1024];
        int count;
        BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(f));
        while ((count = tar.read(bytes)) > 0) {
            out.write(bytes, 0, count);
        }
        out.flush();
        out.close();

        entry = tar.getNextTarEntry();
    }
}

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From source file:org.zaproxy.libs.DownloadTools.java

public static void downloadDriver(String urlStr, String destDir, String destFile) {
    File dest = new File(destDir + destFile);
    if (dest.exists()) {
        System.out.println("Already exists: " + dest.getAbsolutePath());
        return;//from w  w  w . jav  a 2s. c o  m
    }
    File parent = dest.getParentFile();
    if (!parent.exists() && !parent.mkdirs()) {
        System.out.println("Failed to create directory : " + dest.getParentFile().getAbsolutePath());
    }
    byte[] buffer = new byte[1024];
    if (urlStr.endsWith(".zip")) {
        try {
            URL url = new URL(urlStr);
            ZipInputStream zipIn = new ZipInputStream(url.openStream());
            ZipEntry entry;

            boolean isFound = false;
            while ((entry = zipIn.getNextEntry()) != null) {
                if (destFile.equals(entry.getName())) {
                    isFound = true;
                    FileOutputStream out = new FileOutputStream(dest);
                    int read = 0;
                    while ((read = zipIn.read(buffer)) != -1) {
                        out.write(buffer, 0, read);
                    }
                    out.close();
                    System.out.println("Updated: " + dest.getAbsolutePath());

                } else {
                    System.out.println("Found " + entry.getName());
                }
                zipIn.closeEntry();
                entry = zipIn.getNextEntry();
            }

            zipIn.close();

            if (!isFound) {
                System.out.println("Failed to find " + destFile);
                System.exit(1);
            }

        } catch (IOException ex) {
            ex.printStackTrace();
            System.exit(1);
        }
    } else if (urlStr.endsWith(".tar.gz")) {
        try {
            URL url = new URL(urlStr);
            GZIPInputStream gzis = new GZIPInputStream(url.openStream());

            File tarFile = new File(dest.getAbsolutePath() + ".tar");
            FileOutputStream out = new FileOutputStream(tarFile);

            int len;
            while ((len = gzis.read(buffer)) > 0) {
                out.write(buffer, 0, len);
            }

            gzis.close();
            out.close();

            TarArchiveInputStream tar = new TarArchiveInputStream(new FileInputStream(tarFile));
            ArchiveEntry entry;
            boolean isFound = false;
            while ((entry = tar.getNextEntry()) != null) {
                if (destFile.equals(entry.getName())) {
                    out = new FileOutputStream(dest);
                    isFound = true;

                    int read = 0;
                    while ((read = tar.read(buffer)) != -1) {
                        out.write(buffer, 0, read);
                    }
                    out.close();
                    System.out.println("Updated: " + dest.getAbsolutePath());
                }
            }
            tar.close();
            tarFile.delete();
            if (!isFound) {
                System.out.println("Failed to find " + destFile);
                System.exit(1);
            }

        } catch (IOException ex) {
            ex.printStackTrace();
            System.exit(1);
        }
    }
}

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From source file:uk.ac.man.cs.mdsd.webgen.ui.wizards.NewWebgenProjectOperation.java

@SuppressWarnings("unused")
private void extractTGZ(final URL sourceURL, final IPath rootPath, final int removeSegemntsCount,
        final IPath[] ignoreFilter, final Map<IPath, IPath> renames) {

    try {/*from ww w .  j a  v a 2s. co m*/
        final File tgzPath = new File(FileLocator.resolve(sourceURL).toURI());
        final TarArchiveInputStream tarIn = new TarArchiveInputStream(
                new GzipCompressorInputStream(new BufferedInputStream(new FileInputStream(tgzPath))));
        TarArchiveEntry entry = (TarArchiveEntry) tarIn.getNextEntry();
        while (entry != null) {
            IPath path = new Path(entry.getName()).removeFirstSegments(removeSegemntsCount);
            if (renames.containsKey(path)) {
                path = renames.get(path);
            }
            if (rootPath != null) {
                path = new Path(rootPath.toString() + path.toString());
            }
            if (!path.isEmpty() && !ignoreEntry(path, ignoreFilter)) {
                if (entry.isDirectory()) {
                    final IFolder folder = projectHandle.getFolder(path);
                    if (!folder.exists()) {
                        folder.create(false, true, null);
                    }
                } else {
                    byte[] contents = new byte[(int) entry.getSize()];
                    tarIn.read(contents);
                    final IFile file = projectHandle.getFile(path);
                    file.create(new ByteArrayInputStream(contents), false, null);
                }
            }
            entry = (TarArchiveEntry) tarIn.getNextEntry();
        }
        tarIn.close();
    } catch (URISyntaxException | IOException | CoreException e) {
        WebgenUiPlugin.log(e);
    }
}

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