Example usage for org.apache.commons.compress.archivers ArchiveInputStream getNextEntry

Introduction

In this page you can find the example usage for org.apache.commons.compress.archivers ArchiveInputStream getNextEntry.

Prototype

public abstract ArchiveEntry getNextEntry() throws IOException;

Source Link

Document

Returns the next Archive Entry in this Stream.

Usage

From source file:com.ttech.cordovabuild.infrastructure.archive.ArchiveUtils.java

private static void extractArchive(Path localPath, ArchiveInputStream ais) throws IOException {
    ArchiveEntry ae;/*from  w  ww.  jav  a2s  . c  o  m*/
    while ((ae = ais.getNextEntry()) != null) {
        if (ae.isDirectory()) {
            continue;
        }
        Path filePath = localPath.resolve(ae.getName());
        if (!filePath.getParent().equals(localPath))
            Files.createDirectories(filePath.getParent());
        try (OutputStream outputStream = Files.newOutputStream(filePath)) {
            IOUtils.copy(ais, outputStream);
        }
    }
}

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From source file:com.ALC.SC2BOAserver.util.SC2BOAserverFileUtil.java

/**
 * This method extracts data to a given directory.
 * /*from ww w  .  j  av  a 2 s. c  o m*/
 * @param directory the directory to extract into
 * @param zipIn input stream pointing to the zip file
 * @throws ArchiveException
 * @throws IOException
 * @throws FileNotFoundException
 */

public static void extractZipToDirectory(File directory, InputStream zipIn)
        throws ArchiveException, IOException, FileNotFoundException {

    ArchiveInputStream in = new ArchiveStreamFactory().createArchiveInputStream("zip", zipIn);
    while (true) {
        ZipArchiveEntry entry = (ZipArchiveEntry) in.getNextEntry();
        if (entry == null) {
            in.close();
            break;
        }
        //Skip empty files
        if (entry.getName().equals("")) {
            continue;
        }

        if (entry.isDirectory()) {
            File file = new File(directory, entry.getName());
            file.mkdirs();
        } else {
            File outFile = new File(directory, entry.getName());
            if (!outFile.getParentFile().exists()) {
                outFile.getParentFile().mkdirs();
            }
            OutputStream out = new FileOutputStream(outFile);
            IOUtils.copy(in, out);
            out.flush();
            out.close();
        }
    }
}

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From source file:ezbake.deployer.utilities.VersionHelper.java

public static String getVersionFromArtifact(ByteBuffer artifact) throws IOException {
    String versionNumber = null;//from w w  w.j av a2  s .co  m
    try (CompressorInputStream uncompressedInput = new GzipCompressorInputStream(
            new ByteArrayInputStream(artifact.array()))) {
        ArchiveInputStream input = new TarArchiveInputStream(uncompressedInput);
        TarArchiveEntry entry;
        while ((entry = (TarArchiveEntry) input.getNextEntry()) != null) {
            if (!entry.isDirectory() && entry.getName().endsWith(VERSION_FILE)) {
                versionNumber = IOUtils.toString(input, Charsets.UTF_8).trim();
                break;
            }
        }
    }
    return versionNumber;
}

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From source file:com.petpet.c3po.gatherer.FileExtractor.java

/**
 * Unpack data from the stream to specified directory.
 * /*from w  ww.  ja  v  a2  s  . co  m*/
 * @param in
 *          stream with tar data
 * @param outputDir
 *          destination directory
 * @return true in case of success, otherwise - false
 */
private static void extract(ArchiveInputStream in, File outputDir) {
    try {
        ArchiveEntry entry;
        while ((entry = in.getNextEntry()) != null) {
            // replace : for windows OS.
            final File file = new File(outputDir, entry.getName().replaceAll(":", "_"));

            if (entry.isDirectory()) {

                if (!file.exists()) {
                    file.mkdirs();
                }

            } else {
                file.getParentFile().mkdirs();
                BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(file), BUFFER_SIZE);

                try {

                    IOUtils.copy(in, out);
                    out.flush();

                } finally {
                    try {
                        out.close();

                    } catch (IOException e) {
                        LOG.debug("An error occurred while closing the output stream for file '{}'. Error: {}",
                                file, e.getMessage());
                    }
                }
            }
        }

    } catch (IOException e) {
        LOG.debug("An error occurred while handling archive file. Error: {}", e.getMessage());
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                LOG.debug("An error occurred while closing the archive stream . Error: {}", e.getMessage());
            }
        }
    }
}

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From source file:big.zip.java

/**
 * When given a zip file, this method will open it up and extract all files
 * inside into a specific folder on disk. Typically on BIG archives, the zip
 * file only contains a single file with the original file name.
 * @param fileZip           The zip file that we want to extract files from
 * @param folderToExtract   The folder where the extract file will be placed 
 * @return True if no problems occurred, false otherwise
 *//*from  www  .  j  av  a 2s  . co  m*/
public static boolean extract(final File fileZip, final File folderToExtract) {
    // preflight check
    if (fileZip.exists() == false) {
        System.out.println("ZIP126 - Zip file not found: " + fileZip.getAbsolutePath());
        return false;
    }
    // now proceed to extract the files
    try {
        final InputStream inputStream = new FileInputStream(fileZip);
        final ArchiveInputStream ArchiveStream;
        ArchiveStream = new ArchiveStreamFactory().createArchiveInputStream("zip", inputStream);
        final ZipArchiveEntry entry = (ZipArchiveEntry) ArchiveStream.getNextEntry();
        final OutputStream outputStream = new FileOutputStream(new File(folderToExtract, entry.getName()));
        IOUtils.copy(ArchiveStream, outputStream);

        // flush and close all files
        outputStream.flush();
        outputStream.close();
        ArchiveStream.close();
        inputStream.close();
    } catch (ArchiveException ex) {
        Logger.getLogger(zip.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(zip.class.getName()).log(Level.SEVERE, null, ex);
    }
    return true;
}

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From source file:com.chnoumis.commons.zip.utils.ZipUtils.java

public static void unZip(InputStream is) throws ArchiveException, IOException {
    ArchiveInputStream in = null;
    try {/*from   w  ww .  ja v a2 s .  com*/
        in = new ArchiveStreamFactory().createArchiveInputStream("zip", is);
        ZipArchiveEntry entry = null;
        while ((entry = (ZipArchiveEntry) in.getNextEntry()) != null) {
            OutputStream o = new FileOutputStream(entry.getName());
            try {
                IOUtils.copy(in, o);
            } finally {
                o.close();
            }
        }
    } finally {
        if (in != null) {
            in.close();
        }
    }
    is.close();
}

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From source file:com.ifs.megaprofiler.helper.FileExtractor.java

/**
 * Unpack data from the stream to specified directory.
 * /*from   ww w. ja  v a2s  .  c o  m*/
 * @param in
 *            stream with tar data
 * @param outputDir
 *            destination directory
 * @return true in case of success, otherwise - false
 */
private static void extract(ArchiveInputStream in, File outputDir) {
    try {
        ArchiveEntry entry;
        while ((entry = in.getNextEntry()) != null) {
            // replace : for windows OS.
            final File file = new File(outputDir, entry.getName().replaceAll(":", "_"));

            if (entry.isDirectory()) {

                if (!file.exists()) {
                    file.mkdirs();
                }

            } else {
                file.getParentFile().mkdirs();
                BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(file), BUFFER_SIZE);

                try {

                    IOUtils.copy(in, out);
                    out.flush();

                } finally {
                    try {
                        out.close();

                    } catch (IOException e) {
                        // LOG.debug(
                        // "An error occurred while closing the output stream for file '{}'. Error: {}",
                        // file,
                        // e.getMessage() );
                    }
                }
            }
        }

    } catch (IOException e) {
        // LOG.debug("An error occurred while handling archive file. Error: {}",
        // e.getMessage());
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                // LOG.debug(
                // "An error occurred while closing the archive stream . Error: {}",
                // e.getMessage() );
            }
        }
    }
}

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From source file:com.chnoumis.commons.zip.utils.ZipUtils.java

public static List<ZipInfo> unZiptoZipInfo(InputStream is) throws ArchiveException, IOException {
    List<ZipInfo> results = new ArrayList<ZipInfo>();
    ArchiveInputStream in = null;
    try {//w  ww . j  a va 2  s. c om
        in = new ArchiveStreamFactory().createArchiveInputStream("zip", is);
        ZipArchiveEntry entry = null;
        while ((entry = (ZipArchiveEntry) in.getNextEntry()) != null) {
            ZipInfo zipInfo = new ZipInfo();
            OutputStream o = new ByteArrayOutputStream();
            try {
                IOUtils.copy(in, o);
            } finally {
                o.close();
            }
            zipInfo.setFileName(entry.getName());
            zipInfo.setFileContent(o.toString().getBytes());
            results.add(zipInfo);
        }
    } finally {
        if (in != null) {
            in.close();
        }
    }
    is.close();

    return results;
}

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From source file:com.amazonaws.codepipeline.jenkinsplugin.ExtractionTools.java

private static void extractArchive(final File destination, final ArchiveInputStream archiveInputStream)
        throws IOException {
    final int BUFFER_SIZE = 8192;
    ArchiveEntry entry = archiveInputStream.getNextEntry();

    while (entry != null) {
        final File destinationFile = getDestinationFile(destination, entry.getName());

        if (entry.isDirectory()) {
            destinationFile.mkdir();/*w  ww .j a  v  a2  s. c o m*/
        } else {
            destinationFile.getParentFile().mkdirs();
            try (final OutputStream fileOutputStream = new FileOutputStream(destinationFile)) {
                final byte[] buffer = new byte[BUFFER_SIZE];
                int bytesRead;

                while ((bytesRead = archiveInputStream.read(buffer)) != -1) {
                    fileOutputStream.write(buffer, 0, bytesRead);
                }
            }
        }

        entry = archiveInputStream.getNextEntry();
    }
}

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From source file:com.bahmanm.karun.Utils.java

/**
 * Extracts a gzip'ed tar archive.//w w  w  . ja  v a 2  s .  c o m
 * 
 * @param archivePath Path to archive
 * @param destDir Destination directory
 * @throws IOException 
 */
public synchronized static void extractTarGz(String archivePath, File destDir)
        throws IOException, ArchiveException {
    // copy
    File tarGzFile = File.createTempFile("karuntargz", "", destDir);
    copyFile(archivePath, tarGzFile.getAbsolutePath());

    // decompress
    File tarFile = File.createTempFile("karuntar", "", destDir);
    FileInputStream fin = new FileInputStream(tarGzFile);
    BufferedInputStream bin = new BufferedInputStream(fin);
    FileOutputStream fout = new FileOutputStream(tarFile);
    GzipCompressorInputStream gzIn = new GzipCompressorInputStream(bin);
    final byte[] buffer = new byte[1024];
    int n = 0;
    while (-1 != (n = gzIn.read(buffer))) {
        fout.write(buffer, 0, n);
    }
    bin.close();
    fin.close();
    gzIn.close();
    fout.close();

    // extract
    final InputStream is = new FileInputStream(tarFile);
    ArchiveInputStream ain = new ArchiveStreamFactory().createArchiveInputStream("tar", is);
    TarArchiveEntry entry = null;
    while ((entry = (TarArchiveEntry) ain.getNextEntry()) != null) {
        OutputStream out;
        if (entry.isDirectory()) {
            File f = new File(destDir, entry.getName());
            f.mkdirs();
            continue;
        } else
            out = new FileOutputStream(new File(destDir, entry.getName()));
        IOUtils.copy(ain, out);
        out.close();
    }
    ain.close();
    is.close();
}

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