Example usage for org.apache.commons.compress.archivers.zip ZipArchiveEntry isDirectory

Introduction

In this page you can find the example usage for org.apache.commons.compress.archivers.zip ZipArchiveEntry isDirectory.

Prototype

public boolean isDirectory() 

Source Link

Document

Is this entry a directory?

Usage

From source file:cz.muni.fi.xklinec.zipstream.App.java

/**
 * Entry point. //ww w.java 2 s  . c  om
 * 
 * @param args
 * @throws FileNotFoundException
 * @throws IOException
 * @throws NoSuchFieldException
 * @throws ClassNotFoundException
 * @throws NoSuchMethodException 
 */
public static void main(String[] args) throws FileNotFoundException, IOException, NoSuchFieldException,
        ClassNotFoundException, NoSuchMethodException, InterruptedException {
    OutputStream fos = null;
    InputStream fis = null;

    if ((args.length != 0 && args.length != 2)) {
        System.err.println(String.format("Usage: app.jar source.apk dest.apk"));
        return;
    } else if (args.length == 2) {
        System.err.println(
                String.format("Will use file [%s] as input file and [%s] as output file", args[0], args[1]));
        fis = new FileInputStream(args[0]);
        fos = new FileOutputStream(args[1]);
    } else if (args.length == 0) {
        System.err.println(String.format("Will use file [STDIN] as input file and [STDOUT] as output file"));
        fis = System.in;
        fos = System.out;
    }

    final Deflater def = new Deflater(9, true);
    ZipArchiveInputStream zip = new ZipArchiveInputStream(fis);

    // List of postponed entries for further "processing".
    List<PostponedEntry> peList = new ArrayList<PostponedEntry>(6);

    // Output stream
    ZipArchiveOutputStream zop = new ZipArchiveOutputStream(fos);
    zop.setLevel(9);

    // Read the archive
    ZipArchiveEntry ze = zip.getNextZipEntry();
    while (ze != null) {

        ZipExtraField[] extra = ze.getExtraFields(true);
        byte[] lextra = ze.getLocalFileDataExtra();
        UnparseableExtraFieldData uextra = ze.getUnparseableExtraFieldData();
        byte[] uextrab = uextra != null ? uextra.getLocalFileDataData() : null;

        // ZipArchiveOutputStream.DEFLATED
        // 

        // Data for entry
        byte[] byteData = Utils.readAll(zip);
        byte[] deflData = new byte[0];
        int infl = byteData.length;
        int defl = 0;

        // If method is deflated, get the raw data (compress again).
        if (ze.getMethod() == ZipArchiveOutputStream.DEFLATED) {
            def.reset();
            def.setInput(byteData);
            def.finish();

            byte[] deflDataTmp = new byte[byteData.length * 2];
            defl = def.deflate(deflDataTmp);

            deflData = new byte[defl];
            System.arraycopy(deflDataTmp, 0, deflData, 0, defl);
        }

        System.err.println(String.format(
                "ZipEntry: meth=%d " + "size=%010d isDir=%5s " + "compressed=%07d extra=%d lextra=%d uextra=%d "
                        + "comment=[%s] " + "dataDesc=%s " + "UTF8=%s " + "infl=%07d defl=%07d " + "name [%s]",
                ze.getMethod(), ze.getSize(), ze.isDirectory(), ze.getCompressedSize(),
                extra != null ? extra.length : -1, lextra != null ? lextra.length : -1,
                uextrab != null ? uextrab.length : -1, ze.getComment(),
                ze.getGeneralPurposeBit().usesDataDescriptor(), ze.getGeneralPurposeBit().usesUTF8ForNames(),
                infl, defl, ze.getName()));

        final String curName = ze.getName();

        // META-INF files should be always on the end of the archive, 
        // thus add postponed files right before them
        if (curName.startsWith("META-INF") && peList.size() > 0) {
            System.err.println(
                    "Now is the time to put things back, but at first, I'll perform some \"facelifting\"...");

            // Simulate som evil being done
            Thread.sleep(5000);

            System.err.println("OK its done, let's do this.");
            for (PostponedEntry pe : peList) {
                System.err.println(
                        "Adding postponed entry at the end of the archive! deflSize=" + pe.deflData.length
                                + "; inflSize=" + pe.byteData.length + "; meth: " + pe.ze.getMethod());

                pe.dump(zop, false);
            }

            peList.clear();
        }

        // Capturing interesting files for us and store for later.
        // If the file is not interesting, send directly to the stream.
        if ("classes.dex".equalsIgnoreCase(curName) || "AndroidManifest.xml".equalsIgnoreCase(curName)) {
            System.err.println("### Interesting file, postpone sending!!!");

            PostponedEntry pe = new PostponedEntry(ze, byteData, deflData);
            peList.add(pe);
        } else {
            // Write ZIP entry to the archive
            zop.putArchiveEntry(ze);
            // Add file data to the stream
            zop.write(byteData, 0, infl);
            zop.closeArchiveEntry();
        }

        ze = zip.getNextZipEntry();
    }

    // Cleaning up stuff
    zip.close();
    fis.close();

    zop.finish();
    zop.close();
    fos.close();

    System.err.println("THE END!");
}

---

From source file:com.zimbra.cs.util.ZipUtil.java

/**
 * Traditional java.util.zip processing either assumes archives use UTF-8 for filenames or requires that
 * you know up front what charset is used for filenames.
 * This class uses the more versatile org.apache.commons.compress.archivers.zip package combined with
 * language information to make a best guess at what the filenames might be.
 *
 *//*from w w  w . j  av a 2s.c o  m*/
public static List<String> getZipEntryNames(InputStream inputStream, Locale locale) throws IOException {
    List<String> zipEntryNames = Lists.newArrayList();

    /*
     * From http://commons.apache.org/proper/commons-compress/zip.html
     * Traditionally the ZIP archive format uses CodePage 437 as encoding for file name, which is not sufficient for
     * many international character sets. Over time different archivers have chosen different ways to work around
     * the limitation - the java.util.zip packages simply uses UTF-8 as its encoding for example.
     *
     * For our purposes, CP437 has the advantage that all byte sequences are valid, so it works well as a final
     * fallback charset to assume for the name.
     */
    try (ZipArchiveInputStream zis = new ZipArchiveInputStream(inputStream, cp437charset.name(),
            false /* useUnicodeExtraFields - we do our own handling of this */)) {
        ZipArchiveEntry ze;
        while ((ze = zis.getNextZipEntry()) != null) {
            if (ze.isDirectory()) {
                continue;
            }
            String entryName = bestGuessAtEntryName(ze, locale);
            zipEntryNames.add(entryName);
        }
    }
    return zipEntryNames;
}

---

From source file:com.android.tradefed.util.ZipUtil2.java

/**
 * Utility method to extract entire contents of zip file into given directory
 *
 * @param zipFile the {@link ZipFile} to extract
 * @param destDir the local dir to extract file to
 * @throws IOException if failed to extract file
 *//*from w w  w .  j  a v a  2 s.com*/
public static void extractZip(ZipFile zipFile, File destDir) throws IOException {
    Enumeration<? extends ZipArchiveEntry> entries = zipFile.getEntries();
    while (entries.hasMoreElements()) {
        ZipArchiveEntry entry = entries.nextElement();
        File childFile = new File(destDir, entry.getName());
        childFile.getParentFile().mkdirs();
        if (entry.isDirectory()) {
            childFile.mkdirs();
            applyUnixModeIfNecessary(entry, childFile);
            continue;
        } else {
            FileUtil.writeToFile(zipFile.getInputStream(entry), childFile);
            applyUnixModeIfNecessary(entry, childFile);
        }
    }
}

---

From source file:com.zimbra.cs.util.ZipUtil.java

/**
 *
 * @param inputStream archive input stream
 * @param locale - best guess as to locale for the filenames in the archive
 * @param seqNo - the order of the item to return (excluding directory entries)
 * @return// w ww. j av a  2 s  . c  o  m
 * @throws IOException
 */
public static ZipNameAndSize getZipEntryNameAndSize(InputStream inputStream, Locale locale, int seqNo)
        throws IOException {
    ZipArchiveInputStream zis = new ZipArchiveInputStream(inputStream, cp437charset.name(),
            false /* useUnicodeExtraFields - we do our own handling of this */);
    ZipArchiveEntry ze;
    int idx = 0;
    while ((ze = zis.getNextZipEntry()) != null) {
        if (ze.isDirectory()) {
            continue;
        }
        if (idx++ == seqNo) {
            String entryName = bestGuessAtEntryName(ze, locale);
            return new ZipNameAndSize(entryName, ze.getSize(), zis);
        }
    }
    zis.close();
    throw new IOException("file " + seqNo + " not in archive");
}

---

From source file:aiai.apps.commons.utils.ZipUtils.java

/**
 * Unzips a zip file into the given destination directory.
 *
 * The archive file MUST have a unique "root" folder. This root folder is
 * skipped when unarchiving./*from   w w  w  .ja v a 2  s .  com*/
 *
 */
public static void unzipFolder(File archiveFile, File zipDestinationFolder) {

    log.debug("Start unzipping archive file");
    log.debug("'\tzip archive file: {}", archiveFile.getAbsolutePath());
    log.debug("'\t\tis exist: {}", archiveFile.exists());
    log.debug("'\t\tis writable: {}", archiveFile.canWrite());
    log.debug("'\t\tis readable: {}", archiveFile.canRead());
    log.debug("'\ttarget dir: {}", zipDestinationFolder.getAbsolutePath());
    log.debug("'\t\tis exist: {}", zipDestinationFolder.exists());
    log.debug("'\t\tis writable: {}", zipDestinationFolder.canWrite());
    try (MyZipFile zipFile = new MyZipFile(archiveFile)) {

        Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
        while (entries.hasMoreElements()) {
            ZipArchiveEntry zipEntry = entries.nextElement();
            log.debug("'\t\tzip entry: {}, is directory: {}", zipEntry.getName(), zipEntry.isDirectory());

            String name = zipEntry.getName();
            if (zipEntry.isDirectory()) {
                if (name.endsWith("/") || name.endsWith("\\")) {
                    name = name.substring(0, name.length() - 1);
                }

                File newDir = new File(zipDestinationFolder, name);
                log.debug("'\t\t\tcreate dirs in {}", newDir.getAbsolutePath());
                if (!newDir.mkdirs()) {
                    throw new RuntimeException("Creation of target dir was failed, target dir: "
                            + zipDestinationFolder + ", entity: " + name);
                }
            } else {
                File destinationFile = DirUtils.createTargetFile(zipDestinationFolder, name);
                if (destinationFile == null) {
                    throw new RuntimeException("Creation of target file was failed, target dir: "
                            + zipDestinationFolder + ", entity: " + name);
                }
                if (!destinationFile.getParentFile().exists()) {
                    destinationFile.getParentFile().mkdirs();
                }
                log.debug("'\t\t\tcopy content of zip entry to file {}", destinationFile.getAbsolutePath());
                FileUtils.copyInputStreamToFile(zipFile.getInputStream(zipEntry), destinationFile);
            }
        }
    } catch (IOException e) {
        throw new RuntimeException("Unzip failed:", e);
    }
}

---

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

private static void extractZipFile(final File destination, final ZipFile zipFile) throws IOException {
    final Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();

    while (entries.hasMoreElements()) {
        final ZipArchiveEntry entry = entries.nextElement();
        final File entryDestination = getDestinationFile(destination, entry.getName());

        if (entry.isDirectory()) {
            entryDestination.mkdirs();//from   w w w.j  ava2 s  .  co  m
        } else {
            entryDestination.getParentFile().mkdirs();
            final InputStream in = zipFile.getInputStream(entry);
            try (final OutputStream out = new FileOutputStream(entryDestination)) {
                IOUtils.copy(in, out);
                IOUtils.closeQuietly(in);
            }
        }
    }
}

---

From source file:com.silverpeas.util.ZipManager.java

/**
 * Indicates the number of files (not directories) inside the archive.
 *
 * @param archive the archive whose content is analyzed.
 * @return the number of files (not directories) inside the archive.
 *//*from w  w  w. j  a  va2s  . c  o m*/
public static int getNbFiles(File archive) {
    ZipFile zipFile = null;
    int nbFiles = 0;
    try {
        zipFile = new ZipFile(archive);
        @SuppressWarnings("unchecked")
        Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
        while (entries.hasMoreElements()) {
            ZipArchiveEntry ze = entries.nextElement();
            if (!ze.isDirectory()) {
                nbFiles++;
            }
        }
    } catch (IOException ioe) {
        SilverTrace.warn("util", "ZipManager.getNbFiles()", "util.EXE_ERROR_WHILE_COUNTING_FILE",
                "sourceFile = " + archive.getPath(), ioe);
    } finally {
        if (zipFile != null) {
            ZipFile.closeQuietly(zipFile);
        }
    }
    return nbFiles;
}

---

From source file:com.googlecode.t7mp.util.ZipUtil.java

public static void unzip(InputStream warInputStream, File destination) {
    try {/*  w w w.  j a  v a2 s  .co m*/
        ZipArchiveInputStream in = null;
        try {
            in = new ZipArchiveInputStream(warInputStream);

            ZipArchiveEntry entry = null;
            while ((entry = in.getNextZipEntry()) != null) {
                File outfile = new File(destination.getCanonicalPath() + "/" + entry.getName());
                outfile.getParentFile().mkdirs();
                if (entry.isDirectory()) {
                    outfile.mkdir();
                    continue;
                }
                OutputStream o = new FileOutputStream(outfile);
                try {
                    IOUtils.copy(in, o);
                } finally {
                    o.close();
                }
            }
        } finally {
            if (in != null) {
                in.close();
            }
        }
        warInputStream.close();
    } catch (FileNotFoundException e) {
        throw new TomcatSetupException(e.getMessage(), e);
    } catch (IOException e) {
        throw new TomcatSetupException(e.getMessage(), e);
    }
}

---

From source file:com.igormaznitsa.zxpoly.utils.ROMLoader.java

public static RomData getROMFrom(final String url) throws IOException {
    final URI uri;
    try {//from  w  ww.  j a  v  a 2  s .  c  o m
        uri = new URI(url);
    } catch (URISyntaxException ex) {
        throw new IOException("Error in URL '" + url + "\'", ex);
    }
    final String scheme = uri.getScheme();
    final String userInfo = uri.getUserInfo();
    final String name;
    final String password;
    if (userInfo != null) {
        final String[] splitted = userInfo.split("\\:");
        name = splitted[0];
        password = splitted[1];
    } else {
        name = null;
        password = null;
    }

    final byte[] loaded;
    if (scheme.startsWith("http")) {
        loaded = loadHTTPArchive(url);
    } else if (scheme.startsWith("ftp")) {
        loaded = loadFTPArchive(uri.getHost(), uri.getPath(), name, password);
    } else {
        throw new IllegalArgumentException("Unsupported scheme [" + scheme + ']');
    }

    final ZipArchiveInputStream in = new ZipArchiveInputStream(new ByteArrayInputStream(loaded));

    byte[] rom48 = null;
    byte[] rom128 = null;
    byte[] romTrDos = null;

    while (true) {
        final ZipArchiveEntry entry = in.getNextZipEntry();
        if (entry == null) {
            break;
        }

        if (entry.isDirectory()) {
            continue;
        }

        if (ROM_48.equalsIgnoreCase(entry.getName())) {
            final int size = (int) entry.getSize();
            if (size > 16384) {
                throw new IOException("ROM 48 has too big size");
            }
            rom48 = new byte[16384];
            IOUtils.readFully(in, rom48, 0, size);
        } else if (ROM_128TR.equalsIgnoreCase(entry.getName())) {
            final int size = (int) entry.getSize();
            if (size > 16384) {
                throw new IOException("ROM 128TR has too big size");
            }
            rom128 = new byte[16384];
            IOUtils.readFully(in, rom128, 0, size);
        } else if (ROM_TRDOS.equalsIgnoreCase(entry.getName())) {
            final int size = (int) entry.getSize();
            if (size > 16384) {
                throw new IOException("ROM TRDOS has too big size");
            }
            romTrDos = new byte[16384];
            IOUtils.readFully(in, romTrDos, 0, size);
        }
    }

    if (rom48 == null) {
        throw new IOException(ROM_48 + " not found");
    }
    if (rom128 == null) {
        throw new IOException(ROM_128TR + " not found");
    }
    if (romTrDos == null) {
        throw new IOException(ROM_TRDOS + " not found");
    }

    return new RomData(rom48, rom128, romTrDos);
}

---

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

/**
 * This method extracts data to a given directory.
 * //from w  ww .ja  v a  2  s.  co 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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