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

Introduction

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

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:com.igormaznitsa.mvngolang.utils.UnpackUtils.java

public static int unpackFileToFolder(@Nonnull final Log logger, @Nullable final String folder,
        @Nonnull final File archiveFile, @Nonnull final File destinationFolder, final boolean makeAllExecutable)
        throws IOException {
    final String normalizedName = archiveFile.getName().toLowerCase(Locale.ENGLISH);

    final ArchEntryGetter entryGetter;

    boolean modeZipFile = false;

    final ZipFile theZipFile;
    final ArchiveInputStream archInputStream;
    if (normalizedName.endsWith(".zip")) {
        logger.debug("Detected ZIP archive");

        modeZipFile = true;//w  w  w  . j av a  2 s .  c o m

        theZipFile = new ZipFile(archiveFile);
        archInputStream = null;
        entryGetter = new ArchEntryGetter() {
            private final Enumeration<ZipArchiveEntry> iterator = theZipFile.getEntries();

            @Override
            @Nullable
            public ArchiveEntry getNextEntry() throws IOException {
                ArchiveEntry result = null;
                if (this.iterator.hasMoreElements()) {
                    result = this.iterator.nextElement();
                }
                return result;
            }
        };
    } else {
        theZipFile = null;
        final InputStream in = new BufferedInputStream(new FileInputStream(archiveFile));
        try {
            if (normalizedName.endsWith(".tar.gz")) {
                logger.debug("Detected TAR.GZ archive");
                archInputStream = new TarArchiveInputStream(new GZIPInputStream(in));

                entryGetter = new ArchEntryGetter() {
                    @Override
                    @Nullable
                    public ArchiveEntry getNextEntry() throws IOException {
                        return ((TarArchiveInputStream) archInputStream).getNextTarEntry();
                    }
                };

            } else {
                logger.debug("Detected OTHER archive");
                archInputStream = ARCHIVE_STREAM_FACTORY.createArchiveInputStream(in);
                logger.debug("Created archive stream : " + archInputStream.getClass().getName());

                entryGetter = new ArchEntryGetter() {
                    @Override
                    @Nullable
                    public ArchiveEntry getNextEntry() throws IOException {
                        return archInputStream.getNextEntry();
                    }
                };
            }

        } catch (ArchiveException ex) {
            IOUtils.closeQuietly(in);
            throw new IOException("Can't recognize or read archive file : " + archiveFile, ex);
        } catch (CantReadArchiveEntryException ex) {
            IOUtils.closeQuietly(in);
            throw new IOException("Can't read entry from archive file : " + archiveFile, ex);
        }
    }

    try {

        final String normalizedFolder = folder == null ? null : FilenameUtils.normalize(folder, true) + '/';

        int unpackedFilesCounter = 0;
        while (true) {
            final ArchiveEntry entry = entryGetter.getNextEntry();
            if (entry == null) {
                break;
            }
            final String normalizedPath = FilenameUtils.normalize(entry.getName(), true);

            logger.debug("Detected archive entry : " + normalizedPath);

            if (normalizedFolder == null || normalizedPath.startsWith(normalizedFolder)) {
                final File targetFile = new File(destinationFolder, normalizedFolder == null ? normalizedPath
                        : normalizedPath.substring(normalizedFolder.length()));
                if (entry.isDirectory()) {
                    logger.debug("Folder : " + normalizedPath);
                    if (!targetFile.exists() && !targetFile.mkdirs()) {
                        throw new IOException("Can't create folder " + targetFile);
                    }
                } else {
                    final File parent = targetFile.getParentFile();

                    if (parent != null && !parent.isDirectory() && !parent.mkdirs()) {
                        throw new IOException("Can't create folder : " + parent);
                    }

                    final FileOutputStream fos = new FileOutputStream(targetFile);

                    try {
                        if (modeZipFile) {
                            logger.debug("Unpacking ZIP entry : " + normalizedPath);

                            final InputStream zipEntryInStream = theZipFile
                                    .getInputStream((ZipArchiveEntry) entry);
                            try {
                                if (IOUtils.copy(zipEntryInStream, fos) != entry.getSize()) {
                                    throw new IOException(
                                            "Can't unpack file, illegal unpacked length : " + entry.getName());
                                }
                            } finally {
                                IOUtils.closeQuietly(zipEntryInStream);
                            }
                        } else {
                            logger.debug("Unpacking archive entry : " + normalizedPath);

                            if (!archInputStream.canReadEntryData(entry)) {
                                throw new IOException("Can't read archive entry data : " + normalizedPath);
                            }
                            if (IOUtils.copy(archInputStream, fos) != entry.getSize()) {
                                throw new IOException(
                                        "Can't unpack file, illegal unpacked length : " + entry.getName());
                            }
                        }
                    } finally {
                        fos.close();
                    }

                    if (makeAllExecutable) {
                        try {
                            targetFile.setExecutable(true, true);
                        } catch (SecurityException ex) {
                            throw new IOException("Can't make file executable : " + targetFile, ex);
                        }
                    }
                    unpackedFilesCounter++;
                }
            } else {
                logger.debug("Archive entry " + normalizedPath + " ignored");
            }
        }
        return unpackedFilesCounter;
    } finally {
        IOUtils.closeQuietly(theZipFile);
        IOUtils.closeQuietly(archInputStream);
    }
}

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From source file:tikatest.Investigation.java

/**
 * Takes a file which has already been detected as a supported archive and
 * displays the contents.//w  w  w. j ava  2s.c o m
 * <p>This method makes use of code which has been publicly available through
 * the Apache website.
 * @param The file to be inspected
 * @see java.io.BufferedInputStream
 */
private void handleGeneric(BufferedInputStream bis) {
    try {
        // File type is a known archive type and we can work with it (fingers crossed)
        ArchiveInputStream aisInput = new ArchiveStreamFactory().createArchiveInputStream(bis);
        ArchiveEntry aeFile = aisInput.getNextEntry();
        System.out.println("ArchiveInputStream: " + aisInput.getClass().getName());
        System.out.println("Archive Entry - Type: " + aeFile.getClass().getName());
        while (aeFile != null) {
            if (!aeFile.isDirectory()) {
                String[] segments = aeFile.getName().split("\\/");
                String filename = "";
                for (String segment : segments) {
                    filename = segment;
                }
                System.out.println("Archive Entry - Name: " + filename);
            }
            aeFile = aisInput.getNextEntry();
        }
    } catch (ArchiveException aX) {
        aX.printStackTrace();
    } catch (IOException ioX) {
        ioX.printStackTrace();
    }
}

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