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

List of usage examples for org.apache.commons.compress.archivers.zip ZipArchiveEntry getCompressedSize

Introduction

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

Prototype

public long getCompressedSize() 

Source Link

Document

Returns the size of the compressed entry data.

Usage

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

/**
 * Entry point. //from www.  j  a  v a  2s . co  m
 * 
 * @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.liferay.blade.cli.command.InstallExtensionCommandTest.java

private static void _testJarsDiff(File warFile1, File warFile2) throws IOException {
    DifferenceCalculator differenceCalculator = new DifferenceCalculator(warFile1, warFile2);

    differenceCalculator.setFilenameRegexToIgnore(Collections.singleton(".*META-INF.*"));
    differenceCalculator.setIgnoreTimestamps(true);

    Differences differences = differenceCalculator.getDifferences();

    if (!differences.hasDifferences()) {
        return;//from  w w w .j a  va2 s .co  m
    }

    StringBuilder message = new StringBuilder();

    message.append("WAR ");
    message.append(warFile1);
    message.append(" and ");
    message.append(warFile2);
    message.append(" do not match:");
    message.append(System.lineSeparator());

    boolean realChange;

    Map<String, ZipArchiveEntry> added = differences.getAdded();
    Map<String, ZipArchiveEntry[]> changed = differences.getChanged();
    Map<String, ZipArchiveEntry> removed = differences.getRemoved();

    if (added.isEmpty() && !changed.isEmpty() && removed.isEmpty()) {
        realChange = false;

        ZipFile zipFile1 = null;
        ZipFile zipFile2 = null;

        try {
            zipFile1 = new ZipFile(warFile1);
            zipFile2 = new ZipFile(warFile2);

            for (Map.Entry<String, ZipArchiveEntry[]> entry : changed.entrySet()) {
                ZipArchiveEntry[] zipArchiveEntries = entry.getValue();

                ZipArchiveEntry zipArchiveEntry1 = zipArchiveEntries[0];
                ZipArchiveEntry zipArchiveEntry2 = zipArchiveEntries[0];

                if (zipArchiveEntry1.isDirectory() && zipArchiveEntry2.isDirectory()
                        && (zipArchiveEntry1.getSize() == zipArchiveEntry2.getSize())
                        && (zipArchiveEntry1.getCompressedSize() <= 2)
                        && (zipArchiveEntry2.getCompressedSize() <= 2)) {

                    // Skip zipdiff bug

                    continue;
                }

                try (InputStream inputStream1 = zipFile1
                        .getInputStream(zipFile1.getEntry(zipArchiveEntry1.getName()));
                        InputStream inputStream2 = zipFile2
                                .getInputStream(zipFile2.getEntry(zipArchiveEntry2.getName()))) {

                    List<String> lines1 = StringTestUtil.readLines(inputStream1);
                    List<String> lines2 = StringTestUtil.readLines(inputStream2);

                    message.append(System.lineSeparator());

                    message.append("--- ");
                    message.append(zipArchiveEntry1.getName());
                    message.append(System.lineSeparator());

                    message.append("+++ ");
                    message.append(zipArchiveEntry2.getName());
                    message.append(System.lineSeparator());

                    Patch<String> diff = DiffUtils.diff(lines1, lines2);

                    for (Delta<String> delta : diff.getDeltas()) {
                        message.append('\t');
                        message.append(delta.getOriginal());
                        message.append(System.lineSeparator());

                        message.append('\t');
                        message.append(delta.getRevised());
                        message.append(System.lineSeparator());
                    }
                }

                realChange = true;

                break;
            }
        } finally {
            ZipFile.closeQuietly(zipFile1);
            ZipFile.closeQuietly(zipFile2);
        }
    } else {
        realChange = true;
    }

    Assert.assertFalse(message.toString(), realChange);
}

From source file:com.android.repository.util.InstallerUtil.java

private static boolean readZipEntry(ZipFile zipFile, ZipArchiveEntry entry, OutputStream dest,
        long expectedSize, @NonNull ProgressIndicator progress) throws IOException {
    int size;//from   www  .  j a v  a  2  s .  c  o m
    byte[] buf = new byte[8192];
    double fraction = progress.getFraction();
    try (BufferedOutputStream bufferedDest = new BufferedOutputStream(dest);
            InputStream s = new BufferedInputStream(zipFile.getInputStream(entry))) {
        while ((size = s.read(buf)) > -1) {
            bufferedDest.write(buf, 0, size);
            fraction += ((double) entry.getCompressedSize() / expectedSize) * ((double) size / entry.getSize());
            progress.setFraction(fraction);
            if (progress.isCanceled()) {
                return true;
            }
        }
    }
    return false;
}

From source file:com.naryx.tagfusion.expression.function.file.ZipList.java

private cfQueryResultData performZiplist(cfSession session, File zipfile, String charset) throws IOException {
    ZipFile zFile = null;//from  w  ww .  j a v a 2 s.c  o  m
    try {
        cfQueryResultData filesQuery = new cfQueryResultData(new String[] { "name", "type", "compressedsize",
                "size", "compressedpercent", "datelastmodified", "comment" }, "CFZIP");
        zFile = new ZipFile(zipfile, charset);

        List<Map<String, cfData>> allResultRows = new ArrayList<Map<String, cfData>>();
        Map<String, cfData> resultRow;
        Enumeration<? extends ZipArchiveEntry> files = zFile.getEntries();
        ZipArchiveEntry nextEntry = null;
        long size;
        double compressed;

        while (files.hasMoreElements()) {
            nextEntry = (ZipArchiveEntry) files.nextElement();
            resultRow = new FastMap<String, cfData>(8);
            resultRow.put("name", new cfStringData(nextEntry.getName()));
            resultRow.put("comment", new cfStringData(nextEntry.getComment()));
            resultRow.put("datelastmodified", new cfDateData(nextEntry.getTime()));

            if (nextEntry.isDirectory()) {
                resultRow.put("compressedsize", new cfNumberData(0));
                resultRow.put("size", new cfNumberData(0));
                resultRow.put("type", new cfStringData("Dir"));
                resultRow.put("compressedpercent", new cfNumberData(0));

            } else {
                size = nextEntry.getSize();
                resultRow.put("compressedsize",
                        new cfStringData(String.valueOf(nextEntry.getCompressedSize())));
                resultRow.put("size", new cfStringData(String.valueOf(size)));
                resultRow.put("type", new cfStringData("File"));
                if (size != 0) {
                    compressed = ((float) nextEntry.getCompressedSize() / (float) size);
                    resultRow.put("compressedpercent",
                            new cfStringData(String.valueOf(100 - (int) (compressed * 100))));
                } else {
                    resultRow.put("compressedpercent", new cfStringData("0"));
                }
            }

            allResultRows.add(resultRow);
        }
        filesQuery.populateQuery(allResultRows);
        return filesQuery;
    } finally {
        try {
            zFile.close();
        } catch (IOException ignored) {
        }
    }
}

From source file:io.personium.core.bar.BarFileReadRunner.java

/**
 * bar???.//from  w ww.  ja v a 2 s.  c o m
 */
public void run() {
    boolean isSuccess = true;

    String path = "/" + this.cell.getName() + "/" + boxName + "/";
    log.debug("install target: " + path);

    try {
        List<String> doneKeys = new ArrayList<String>();

        try {
            this.zipArchiveInputStream = new ZipArchiveInputStream(new FileInputStream(barFile));
        } catch (IOException e) {
            throw PersoniumCoreException.Server.FILE_SYSTEM_ERROR.params(e.getMessage());
        }
        // ("bar/")??
        if (!isRootDir()) {
            String message = PersoniumCoreMessageUtils.getMessage("PL-BI-2001");
            writeOutputStream(true, "PL-BI-1004", ROOT_DIR, message);
            isSuccess = false;
            return;
        }

        // 00_meta??
        if (!isMetadataDir()) {
            String message = PersoniumCoreMessageUtils.getMessage("PL-BI-2001");
            writeOutputStream(true, "PL-BI-1004", META_DIR, message);
            isSuccess = false;
            return;
        }

        // 00_meta???
        ZipArchiveEntry zae = null;
        try {
            long maxBarEntryFileSize = getMaxBarEntryFileSize();
            Set<String> keyList = barFileOrder.keySet();

            while ((zae = this.zipArchiveInputStream.getNextZipEntry()) != null) {
                String entryName = zae.getName();
                log.debug("Entry Name: " + entryName);
                log.debug("Entry Size: " + zae.getSize());
                log.debug("Entry Compressed Size: " + zae.getCompressedSize());
                if (!zae.isDirectory()) {
                    this.progressInfo.addDelta(1L);
                }

                // bar??
                isSuccess = createMetadata(zae, entryName, maxBarEntryFileSize, keyList, doneKeys);
                if (!isSuccess) {
                    break;
                }
                // 90_contents??????
                if (isContentsDir(zae)) {
                    if (davCmpMap.isEmpty()) {
                        writeOutputStream(true, "PL-BI-1004", zae.getName());
                        isSuccess = false;
                    } else {
                        writeOutputStream(false, "PL-BI-1003", zae.getName());
                    }
                    doneKeys.add(zae.getName());
                    break;
                }
            }
        } catch (IOException ex) {
            isSuccess = false;
            log.info("IOException: " + ex.getMessage(), ex.fillInStackTrace());
        }

        // 90_contents()???
        if (isSuccess && isContentsDir(zae)) {
            isSuccess = createContents();
        }

        // ??????????
        // ???????
        if (isSuccess) {
            Set<String> filenameList = barFileOrder.keySet();
            for (String filename : filenameList) {
                Boolean isNecessary = barFileOrder.get(filename);
                if (isNecessary && !doneKeys.contains(filename)) {
                    String message = PersoniumCoreMessageUtils.getMessage("PL-BI-2001");
                    writeOutputStream(true, "PL-BI-1004", filename, message);
                    isSuccess = false;
                }
            }
        }
    } catch (Throwable ex) {
        isSuccess = false;
        String message = getErrorMessage(ex);
        log.info("Exception: " + message, ex.fillInStackTrace());
        writeOutputStream(true, "PL-BI-1005", "", message);
    } finally {
        if (isSuccess) {
            writeOutputStream(false, CODE_BAR_INSTALL_COMPLETED, this.cell.getUrl() + boxName, "");
            this.progressInfo.setStatus(ProgressInfo.STATUS.COMPLETED);
        } else {
            String message = PersoniumCoreMessageUtils.getMessage("PL-BI-2001");
            writeOutputStream(false, CODE_BAR_INSTALL_FAILED, this.cell.getUrl() + boxName, message);
            this.progressInfo.setStatus(ProgressInfo.STATUS.FAILED);
        }
        this.progressInfo.setEndTime();
        writeToProgressCache(true);
        IOUtils.closeQuietly(this.zipArchiveInputStream);
        if (this.barFile.exists() && !this.barFile.delete()) {
            log.warn("Failed to remove bar file. [" + this.barFile.getAbsolutePath() + "].");
        }
    }
}

From source file:com.fujitsu.dc.core.bar.BarFileReadRunner.java

/**
 * bar???.//from   ww w  .  j ava  2 s.  c  om
 */
public void run() {
    boolean isSuccess = true;

    String path = "/" + this.cell.getName() + "/" + boxName + "/";
    log.debug("install target: " + path);

    try {
        List<String> doneKeys = new ArrayList<String>();

        try {
            this.zipArchiveInputStream = new ZipArchiveInputStream(new FileInputStream(barFile));
        } catch (IOException e) {
            throw DcCoreException.Server.FILE_SYSTEM_ERROR.params(e.getMessage());
        }
        // ("bar/")??
        if (!isRootDir()) {
            String message = DcCoreMessageUtils.getMessage("PL-BI-2001");
            writeOutputStream(true, "PL-BI-1004", ROOT_DIR, message);
            isSuccess = false;
            return;
        }

        // 00_meta??
        if (!isMetadataDir()) {
            String message = DcCoreMessageUtils.getMessage("PL-BI-2001");
            writeOutputStream(true, "PL-BI-1004", META_DIR, message);
            isSuccess = false;
            return;
        }

        // 00_meta???
        ZipArchiveEntry zae = null;
        try {
            long maxBarEntryFileSize = getMaxBarEntryFileSize();
            Set<String> keyList = barFileOrder.keySet();

            while ((zae = this.zipArchiveInputStream.getNextZipEntry()) != null) {
                String entryName = zae.getName();
                log.debug("Entry Name: " + entryName);
                log.debug("Entry Size: " + zae.getSize());
                log.debug("Entry Compressed Size: " + zae.getCompressedSize());
                if (!zae.isDirectory()) {
                    this.progressInfo.addDelta(1L);
                }

                // bar??
                isSuccess = createMetadata(zae, entryName, maxBarEntryFileSize, keyList, doneKeys);
                if (!isSuccess) {
                    break;
                }
                // 90_contents??????
                if (isContentsDir(zae)) {
                    if (davCmpMap.isEmpty()) {
                        writeOutputStream(true, "PL-BI-1004", zae.getName());
                        isSuccess = false;
                    } else {
                        writeOutputStream(false, "PL-BI-1003", zae.getName());
                    }
                    doneKeys.add(zae.getName());
                    break;
                }
            }
        } catch (IOException ex) {
            isSuccess = false;
            log.info("IOException: " + ex.getMessage(), ex.fillInStackTrace());
        }

        // 90_contents()???
        if (isSuccess && isContentsDir(zae)) {
            isSuccess = createContents();
        }

        // ??????????
        // ???????
        if (isSuccess) {
            Set<String> filenameList = barFileOrder.keySet();
            for (String filename : filenameList) {
                Boolean isNecessary = barFileOrder.get(filename);
                if (isNecessary && !doneKeys.contains(filename)) {
                    String message = DcCoreMessageUtils.getMessage("PL-BI-2001");
                    writeOutputStream(true, "PL-BI-1004", filename, message);
                    isSuccess = false;
                }
            }
        }
    } catch (Throwable ex) {
        isSuccess = false;
        String message = getErrorMessage(ex);
        log.info("Exception: " + message, ex.fillInStackTrace());
        writeOutputStream(true, "PL-BI-1005", "", message);
    } finally {
        if (isSuccess) {
            writeOutputStream(false, CODE_BAR_INSTALL_COMPLETED, this.cell.getUrl() + boxName, "");
            this.progressInfo.setStatus(ProgressInfo.STATUS.COMPLETED);
        } else {
            String message = DcCoreMessageUtils.getMessage("PL-BI-2001");
            writeOutputStream(false, CODE_BAR_INSTALL_FAILED, this.cell.getUrl() + boxName, message);
            this.progressInfo.setStatus(ProgressInfo.STATUS.FAILED);
        }
        this.progressInfo.setEndTime();
        writeToProgressCache(true);
        IOUtils.closeQuietly(this.zipArchiveInputStream);
        if (this.barFile.exists() && !this.barFile.delete()) {
            log.warn("Failed to remove bar file. [" + this.barFile.getAbsolutePath() + "].");
        }
    }
}

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

/**
 * Entry point. // www.  java2  s .co  m
 * 
 * @param args
 * @throws FileNotFoundException
 * @throws IOException
 * @throws NoSuchFieldException
 * @throws ClassNotFoundException
 * @throws NoSuchMethodException 
 * @throws java.lang.InterruptedException 
 * @throws java.lang.CloneNotSupportedException 
 */
public void doMain(String[] args) throws FileNotFoundException, IOException, NoSuchFieldException,
        ClassNotFoundException, NoSuchMethodException, InterruptedException, CloneNotSupportedException {
    // command line argument parser
    CmdLineParser parser = new CmdLineParser(this);

    // if you have a wider console, you could increase the value;
    // here 80 is also the default
    parser.setUsageWidth(80);
    try {
        // parse the arguments.
        parser.parseArgument(args);
    } catch (CmdLineException e) {
        // if there's a problem in the command line,
        // you'll get this exception. this will report
        // an error message.
        System.err.println(e.getMessage());
        System.err.println("java Mallory [options...] arguments...");
        // print the list of available options
        parser.printUsage(System.err);
        System.err.println();

        // print option sample. This is useful some time
        System.err.println(" Example: java Mallory " + parser.printExample(ExampleMode.ALL));
        return;
    }

    if (arguments.size() == 2) {
        final String a0 = arguments.get(0);
        final String a1 = arguments.get(1);

        if (!quiet)
            System.err
                    .println(String.format("Will use file [%s] as input file and [%s] as output file", a0, a1));
        fis = new FileInputStream(a0);
        fos = new FileOutputStream(a1);
    } else if (arguments.isEmpty()) {
        if (!quiet)
            System.err
                    .println(String.format("Will use file [STDIN] as input file and [STDOUT] as output file"));
        fis = System.in;
        fos = System.out;
    } else {
        if (!quiet)
            System.err.println("I do not understand the usage.");
        return;
    }

    if (zipAlign) {
        System.err.println("WARNING: ZIP Align feature not implemented yet...");
        return;
    }

    // Deflater to re-compress uncompressed data read from ZIP stream.
    def = new Deflater(9, true);
    sentFiles = new HashSet<String>();

    // Buffer input stream so input stream is read in chunks
    bis = new BufferedInputStream(fis);
    bos = new BufferedOutputStream(fos);

    // Effective temporary dir - if separate is required
    if (separateTempDir) {
        effectiveTempDir = File.createTempFile("temp_apk_dir_", "", new File(TEMP_DIR));
        effectiveTempDir.delete();
        effectiveTempDir.mkdir();
    } else {
        effectiveTempDir = new File(TEMP_DIR);
    }

    // Generate temporary APK filename
    tempApk = File.createTempFile("temp_apk_", ".apk", effectiveTempDir);
    if (tempApk.canWrite() == false) {
        throw new IOException("Temp file is not writable!");
    }

    FileOutputStream tos = new FileOutputStream(tempApk);

    // What we want here is to read input stream from the socket/pipe 
    // whatever, process it in ZIP logic and simultaneously to copy 
    // all read data to the temporary file - this reminds tee command
    // logic. This functionality can be found in TeeInputStream.
    TeeInputStream tis = new TeeInputStream(bis, tos);

    // Providing tis to ZipArchiveInputStream will copy all read data
    // to temporary tos file.
    zip = new ZipArchiveInputStream(tis);

    // List of all sent files, with data and hashes
    alMap = new HashMap<String, PostponedEntry>();

    // Output stream
    // If there is defined slow down stream, it is used for user output to
    // mitigate tampering time gap.
    OutputStream osToUse = bos;
    SlowDownStream sdStream = null;
    if (slowDownStream) {
        // New slow down output stream with internal pipe buffer 15MB.
        sdStream = new SlowDownStream(osToUse, 15 * 1024 * 1024);

        // If size of the APK is known, use it to set slow down parameters correctly.
        if (apkSize > 0) {
            setSlowDownParams();
        }

        if (!quiet) {
            System.err.println(String.format("Slown down stream will be used; apkSize=%d buffer=%d timeout=%d",
                    apkSize, slowDownBuffer, slowDownTimeout));
        }

        sdStream.setFlushBufferSize(slowDownBuffer);
        sdStream.setFlushBufferTimeout(slowDownTimeout);
        sdStream.start();

        osToUse = sdStream;
    }

    zop = new ZipArchiveOutputStream(osToUse);
    zop.setLevel(9);

    if (!quiet) {
        System.err.println("Patterns that will be excluded:");
        for (String regex : exclude) {
            System.err.println("  '" + regex + "'");
        }
        System.err.println();
    }

    // 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;
        byte[] ex = ze.getExtra();
        // 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).
        // Since ZIPStream automatically decompresses deflated files in read().
        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);
        }

        if (!quiet)
            System.err.println(String.format(
                    "ZipEntry: meth=%d " + "size=%010d isDir=%5s "
                            + "compressed=%07d extra=%d lextra=%d uextra=%d ex=%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, ex != null ? ex.length : -1, ze.getComment(),
                    ze.getGeneralPurposeBit().usesDataDescriptor(),
                    ze.getGeneralPurposeBit().usesUTF8ForNames(), infl, defl, ze.getName()));

        final String curName = ze.getName();

        // Store zip entry to the map for later check after the APK is recompiled.
        // Hashes will be compared with the modified APK files after the process.
        PostponedEntry al = new PostponedEntry(ze, byteData, deflData);
        alMap.put(curName, al);

        // META-INF files should be always on the end of the archive, 
        // thus add postponed files right before them
        if (isPostponed(ze)) {
            // Capturing interesting files for us and store for later.
            // If the file is not interesting, send directly to the stream.
            if (!quiet)
                System.err.println("  Interesting file, postpone sending!!!");

        } else {
            // recompute CRC?
            if (recomputeCrc) {
                crc.reset();
                crc.update(byteData);
                final long newCrc = crc.getValue();

                if (!quiet && ze.getCrc() != newCrc && ze.getCrc() != -1) {
                    System.err.println("  Warning: file CRC mismatch!!! Original: [" + ze.getCrc() + "] real: ["
                            + newCrc + "]");
                }

                ze.setCrc(newCrc);
            }

            // Write ZIP entry to the archive
            zop.putArchiveEntry(ze);
            // Add file data to the stream
            zop.write(byteData, 0, infl);
            zop.closeArchiveEntry();
            zop.flush();

            // Mark file as sent.
            addSent(curName);
        }

        ze = zip.getNextZipEntry();
    }

    // Flush buffers
    zop.flush();
    fos.flush();

    // Cleaning up stuff, all reading streams can be closed now.
    zip.close();
    bis.close();
    fis.close();
    tis.close();
    tos.close();

    //
    // APK is finished here, all non-interesting files were sent to the 
    // zop strem (socket to the victim). Now APK transformation will
    // be performed, diff, sending rest of the files to zop.
    // 
    boolean doPadding = paddExtra > 0 || outBytes > 0;
    long flen = tempApk.length();
    if (outBytes <= 0) {
        outBytes = flen + paddExtra;
    }

    if (!quiet) {
        System.err.println("\nAPK reading finished, going to tamper downloaded " + " APK file ["
                + tempApk.toString() + "]; filezise=[" + flen + "]");

        System.err.println(String.format("Sent so far: %d kB in %f %% after adding padding it is %f %%",
                zop.getWritten() / 1024, 100.0 * (double) zop.getWritten() / (double) flen,
                100.0 * (double) zop.getWritten() / ((double) (outBytes > 0 ? outBytes : flen))));
    }

    // New APK was generated, new filename = "tempApk_tampered"
    newApk = new File(outFile == null ? getFileName(tempApk.getAbsolutePath()) : outFile);

    if (cmd == null) {
        // Simulation of doing some evil stuff on the temporary apk
        Thread.sleep(3000);

        if (!quiet)
            System.err.println(
                    "Tampered APK file: " + " [" + newApk.toString() + "]; filezise=[" + newApk.length() + "]");

        //
        // Since no tampering was performed right now we will simulate it by just simple
        // copying the APK file 
        //
        FileUtils.copyFile(tempApk, newApk);
    } else {
        try {
            // Execute command
            String cmd2exec;
            switch (cmdFormat) {
            case 0:
                cmd2exec = cmd + " " + tempApk.getAbsolutePath();
                break;
            case 1:
                cmd2exec = cmd.replaceAll(INPUT_APK_PLACEHOLDER, tempApk.getAbsolutePath());
                break;
            case 2:
                cmd2exec = cmd.replaceAll(INPUT_APK_PLACEHOLDER, tempApk.getAbsolutePath());
                cmd2exec = cmd2exec.replaceAll(OUTPUT_APK_PLACEHOLDER, newApk.getAbsolutePath());
                break;
            default:
                throw new IllegalArgumentException("Unknown command format number");
            }

            if (!quiet) {
                System.err.println("Command to be executed: " + cmd2exec);
                System.err.println("\n<CMDOUTPUT>");
            }

            long cmdStartTime = System.currentTimeMillis();
            CmdExecutionResult resExec = execute(cmd2exec, OutputOpt.EXECUTE_STD_COMBINE, null,
                    quiet ? null : System.err);
            long cmdStopTime = System.currentTimeMillis();

            if (!quiet) {
                System.err.println("</CMDOUTPUT>\n");
                System.err.println("Command executed. Return value: " + resExec.exitValue + "; tamperingTime="
                        + (cmdStopTime - cmdStartTime));
            }

        } catch (IOException e) {
            if (!quiet)
                e.printStackTrace(System.err);
        }
    }

    //
    // Now read new APK file with ZipInputStream and push new/modified files to the ZOP.
    //
    fis = new FileInputStream(newApk);
    bis = new BufferedInputStream(fis);
    zip = new ZipArchiveInputStream(bis);

    // Merge tampered APK to the final, but in this first time
    // do it to the external buffer in order to get final apk size.
    // Backup ZOP state to the clonned instance.
    zop.flush();

    long writtenBeforeDiff = zop.getWritten();

    ZipArchiveOutputStream zop_back = zop;
    zop = zop.cloneThis();

    // Set temporary byte array output stream, so original output stream is not
    // touched in this phase.
    ByteArrayOutputStream bbos = new ByteArrayOutputStream();
    zop.setOut(bbos);

    mergeTamperedApk(false, false);
    zop.flush();

    // Now output stream almost contains APK file, central directory is not written yet.
    long writtenAfterDiff = zop.getWritten();

    if (!quiet)
        System.err.println(String.format("Tampered apk size yet; writtenBeforeDiff=%d writtenAfterDiff=%d",
                writtenBeforeDiff, writtenAfterDiff));

    // Write central directory header to temporary buffer to discover its size.
    zop.writeFinish();
    zop.flush();
    bbos.flush();

    // Read new values
    long writtenAfterCentralDir = zop.getWritten();
    long centralDirLen = zop.getCdLength();
    byte[] buffAfterMerge = bbos.toByteArray();
    //int endOfCentralDir = (int) (buffAfterMerge.length - (writtenAfterCentralDir-writtenBeforeDiff));
    long endOfCentralDir = END_OF_CENTRAL_DIR_SIZE;

    // Determine number of bytes to add to APK.
    // padlen is number of bytes missing in APK to meet desired size in bytes.
    padlen = doPadding ? (outBytes - (writtenAfterCentralDir + endOfCentralDir)) : 0;

    // Compute number of files needed for padding.
    int padfiles = (int) Math.ceil((double) padlen / (double) (PAD_BLOCK_MAX));

    if (!quiet)
        System.err.println(String.format("Remaining to pad=%d, padfiles=%d " + "writtenAfterCentralDir=%d "
                + "centralDir=%d endOfCentralDir=%d centralDirOffset=%d " + "buffSize=%d total=%d desired=%d ",
                padlen, padfiles, writtenAfterCentralDir, centralDirLen, endOfCentralDir, zop.getCdOffset(),
                buffAfterMerge.length, writtenAfterCentralDir + endOfCentralDir, outBytes));

    if (padlen < 0) {
        throw new IllegalStateException("Padlen cannot be negative, please increase padding size");
    }

    // Close input streams for tampered APK
    try {
        zip.close();
        bis.close();
        fis.close();
    } catch (Exception e) {
        if (!quiet)
            e.printStackTrace(System.err);
    }

    // Merge again, now with pre-defined padding size.
    fis = new FileInputStream(newApk);
    bis = new BufferedInputStream(fis);
    zip = new ZipArchiveInputStream(bis);
    // Revert changes - use clonned writer stream.
    zop = zop_back;

    long writtenBeforeDiff2 = zop.getWritten();

    // Merge tampered APK, now for real, now with computed padding.
    mergeTamperedApk(true, true);
    zop.flush();

    long writtenAfterMerge2 = zop.getWritten();

    // Finish really        
    zop.finish();
    zop.flush();

    long writtenReally = zop.getWritten();
    long centralDirLen2 = zop.getCdLength();

    if (!quiet)
        System.err.println(String.format(
                "Write stats; " + "writtenBeforeDiff=%d writtenAfterDiff=%d "
                        + "writtenAfterCentralDir=%d centralDir=%d endOfCd=%d centralDirOffset=%d "
                        + "padlen=%d total=%d desired=%d",
                writtenBeforeDiff2, writtenAfterMerge2, writtenReally, centralDirLen2, endOfCentralDir,
                zop.getCdOffset(), padlen, writtenReally + endOfCentralDir, outBytes));

    // Will definitelly close (and finish if not yet) ZOP stream
    // and close underlying stream.
    zop.close();

    if (sdStream != null) {
        if (!quiet) {
            System.err.println("Waiting for sdStream to finish...");
        }

        // Wait for stream to finish dumping with pre-set speed, if it takes
        // too long (1 minute) switch slown down stream to dumping mode 
        // without any waiting.
        long startedDump = System.currentTimeMillis();
        while (sdStream.isRunning()) {
            long curTime = System.currentTimeMillis();
            if (startedDump != -1 && (curTime - startedDump) > 1000 * 120) {
                startedDump = -1;
                sdStream.flushPipes();
            }

            Thread.sleep(10);
        }

        if (!quiet) {
            System.err.println("SD stream finished, terminating...");
        }
    }

    // Should always be same
    if (!quiet && doPadding && writtenBeforeDiff != writtenBeforeDiff2) {
        System.err.println(String.format("Warning! Size before merge from pass1 and pass2 does not match."));
    }

    // If size is different, something went wrong.
    if (!quiet && doPadding && ((writtenReally + endOfCentralDir) != outBytes)) {
        System.err.println(String.format("Warning! Output size differs from desired size."));
    }

    bos.close();
    fos.close();

    // Delete temporary files if required
    if (deleteArtefacts) {
        try {
            if (newApk.exists()) {
                newApk.delete();
                if (!quiet)
                    System.err.println("Tampered APK removed. " + newApk.getAbsolutePath());
            }

            if (tempApk.exists()) {
                tempApk.delete();
                if (!quiet)
                    System.err.println("Original APK removed. " + tempApk.getAbsolutePath());
            }

            if (separateTempDir && effectiveTempDir.exists()) {
                FileUtils.deleteDirectory(effectiveTempDir);
                if (!quiet)
                    System.err.println("Temporary directory removed. " + effectiveTempDir.getAbsolutePath());
            }

            if (!quiet)
                System.err.println("Temporary files were removed.");
        } catch (IOException e) {
            if (!quiet)
                e.printStackTrace(System.err);
        }
    }

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

From source file:io.personium.core.bar.BarFileReadRunner.java

/**
 * bar?(bar/90_contents)1????./*  w ww.j  ava  2  s. com*/
 * @return boolean ????
 */
protected boolean createContents() {
    boolean isSuccess = true;
    // Collection???Map??????
    Map<String, DavCmp> odataCols = getCollections(DavCmp.TYPE_COL_ODATA);
    Map<String, DavCmp> webdavCols = getCollections(DavCmp.TYPE_COL_WEBDAV);
    Map<String, DavCmp> serviceCols = getCollections(DavCmp.TYPE_COL_SVC);

    DavCmp davCmp = null;
    List<String> doneKeys = new ArrayList<String>();
    try {
        ZipArchiveEntry zae = null;
        String currentPath = null;
        int userDataCount = 0;
        List<JSONMappedObject> userDataLinks = new ArrayList<JSONMappedObject>();
        LinkedHashMap<String, BulkRequest> bulkRequests = new LinkedHashMap<String, BulkRequest>();
        Map<String, String> fileNameMap = new HashMap<String, String>();
        PersoniumODataProducer producer = null;

        while ((zae = this.zipArchiveInputStream.getNextZipEntry()) != null) {
            String entryName = zae.getName();
            log.debug("Entry Name: " + entryName);
            log.debug("Entry Size: " + zae.getSize());
            log.debug("Entry Compressed Size: " + zae.getCompressedSize());
            if (!zae.isDirectory()) {
                this.progressInfo.addDelta(1L);
            }
            writeOutputStream(false, CODE_BAR_INSTALL_STARTED, entryName);

            // ODataCollection?Dav/ServiceCollection/ODataCollection?????????
            // ??????????
            if (currentPath != null && !entryName.startsWith(currentPath)) {
                if (!execBulkRequest(davCmp.getCell().getId(), bulkRequests, fileNameMap, producer)) {
                    return false;
                }
                if (!createUserdataLinks(producer, userDataLinks)) {
                    return false;
                }
                userDataLinks = new ArrayList<JSONMappedObject>();
                currentPath = null;
            }
            int entryType = getEntryType(entryName, odataCols, webdavCols, serviceCols, this.davFileMap);
            switch (entryType) {
            case TYPE_ODATA_COLLECTION:
                // OData?
                if (!odataCols.isEmpty()) {
                    if (!isValidODataContents(entryName, odataCols, doneKeys)) {
                        return false;
                    }
                    Pattern formatPattern = Pattern.compile(CONTENTS_DIR + ".+/90_data/");
                    Matcher formatMatcher = formatPattern.matcher(entryName);
                    if (formatMatcher.matches()) {
                        currentPath = entryName;
                    }
                    Pattern userodataDirPattern = Pattern.compile(CONTENTS_DIR + ".+/90_data/.+");
                    Matcher userodataDirMatcher = userodataDirPattern.matcher(entryName);

                    if (getFileExtension(entryName).equals(".xml")) {
                        // 00_$metadata.xml??
                        davCmp = getCollection(entryName, odataCols);
                        // OData????????
                        producer = davCmp.getODataProducer();
                        if (!registUserSchema(entryName, this.zipArchiveInputStream, davCmp)) {
                            doneKeys.add(entryName);
                            return false;
                        }
                        writeOutputStream(false, "PL-BI-1003", entryName);
                        doneKeys.add(entryName);
                        continue;
                    } else if (entryName.endsWith(USERDATA_LINKS_JSON)) {
                        userDataLinks = registJsonLinksUserdata(entryName, this.zipArchiveInputStream);
                        if (userDataLinks == null) {
                            doneKeys.add(entryName);
                            return false;
                        }
                        writeOutputStream(false, "PL-BI-1003", entryName);
                        doneKeys.add(entryName);
                        continue;
                    } else if (userodataDirMatcher.matches() && getFileExtension(entryName).equals(".json")) {
                        userDataCount++;
                        if (!setBulkRequests(entryName, producer, bulkRequests, fileNameMap)) {
                            return false;
                        }
                        doneKeys.add(entryName);

                        if ((userDataCount % bulkSize) == 0 && !execBulkRequest(davCmp.getCell().getId(),
                                bulkRequests, fileNameMap, producer)) {
                            return false;
                        }
                        continue;
                    } else if (!entryName.endsWith("/")) {
                        // xml,json?????????
                        String message = PersoniumCoreMessageUtils.getMessage("PL-BI-2001");
                        log.info(message + " [" + entryName + "]");
                        writeOutputStream(true, "PL-BI-1004", entryName, message);
                        return false;
                    }
                }
                break;

            case TYPE_DAV_FILE:
                // WebDAV?
                // bar/90_contents/{davcol_name}??1????
                if (!registWebDavFile(entryName, this.zipArchiveInputStream, webdavCols)) {
                    return false;
                }
                break;

            case TYPE_SVC_FILE:
                // Service?
                if (!installSvcCollection(webdavCols, entryName)) {
                    return false;
                }
                break;

            case TYPE_MISMATCH:
                // OData??????????rootprops??????
                String message = PersoniumCoreMessageUtils.getMessage("PL-BI-2006");
                log.info(message + " [" + entryName + "]");
                writeOutputStream(true, "PL-BI-1004", entryName, message);
                return false;

            default:
                break;
            }
            writeOutputStream(false, "PL-BI-1003", entryName);
            doneKeys.add(entryName);
        }

        // ODataCollection??????????????????
        if (currentPath != null) {
            if (!execBulkRequest(davCmp.getCell().getId(), bulkRequests, fileNameMap, producer)) {
                return false;
            }
            if (!createUserdataLinks(producer, userDataLinks)) {
                return false;
            }
            userDataLinks = null;
        }
    } catch (IOException ex) {
        isSuccess = false;
        log.info("IOException: " + ex.getMessage(), ex.fillInStackTrace());
        String message = PersoniumCoreMessageUtils.getMessage("PL-BI-2000");
        writeOutputStream(true, CODE_BAR_INSTALL_FAILED, "", message);

    }
    // bar/90_contents/{odatacol_name}/00_$metadata.xml)??
    isSuccess = checkNecessaryFile(isSuccess, odataCols, doneKeys);
    return isSuccess;
}

From source file:com.fujitsu.dc.core.bar.BarFileReadRunner.java

/**
 * bar?(bar/90_contents)1????./* ww w  . ja v  a2  s  .  co  m*/
 * @return boolean ????
 */
protected boolean createContents() {
    boolean isSuccess = true;
    // Collection???Map??????
    Map<String, DavCmpEsImpl> odataCols = getCollections(DavCmp.TYPE_COL_ODATA);
    Map<String, DavCmpEsImpl> webdavCols = getCollections(DavCmp.TYPE_COL_WEBDAV);
    Map<String, DavCmpEsImpl> serviceCols = getCollections(DavCmp.TYPE_COL_SVC);

    DavCmpEsImpl davCmp = null;
    List<String> doneKeys = new ArrayList<String>();
    try {
        ZipArchiveEntry zae = null;
        String currentPath = null;
        int userDataCount = 0;
        List<JSONMappedObject> userDataLinks = new ArrayList<JSONMappedObject>();
        LinkedHashMap<String, BulkRequest> bulkRequests = new LinkedHashMap<String, BulkRequest>();
        Map<String, String> fileNameMap = new HashMap<String, String>();
        DcODataProducer producer = null;

        while ((zae = this.zipArchiveInputStream.getNextZipEntry()) != null) {
            String entryName = zae.getName();
            log.debug("Entry Name: " + entryName);
            log.debug("Entry Size: " + zae.getSize());
            log.debug("Entry Compressed Size: " + zae.getCompressedSize());
            if (!zae.isDirectory()) {
                this.progressInfo.addDelta(1L);
            }
            writeOutputStream(false, CODE_BAR_INSTALL_STARTED, entryName);

            // ODataCollection?Dav/ServiceCollection/ODataCollection?????????
            // ??????????
            if (currentPath != null && !entryName.startsWith(currentPath)) {
                if (!execBulkRequest(davCmp.getCellId(), bulkRequests, fileNameMap, producer)) {
                    return false;
                }
                if (!createUserdataLinks(producer, userDataLinks)) {
                    return false;
                }
                userDataLinks = new ArrayList<JSONMappedObject>();
                currentPath = null;
            }
            int entryType = getEntryType(entryName, odataCols, webdavCols, serviceCols, this.davFileMap);
            switch (entryType) {
            case TYPE_ODATA_COLLECTION:
                // OData?
                if (!odataCols.isEmpty()) {
                    if (!isValidODataContents(entryName, odataCols, doneKeys)) {
                        return false;
                    }
                    Pattern formatPattern = Pattern.compile(CONTENTS_DIR + ".+/90_data/");
                    Matcher formatMatcher = formatPattern.matcher(entryName);
                    if (formatMatcher.matches()) {
                        currentPath = entryName;
                    }
                    Pattern userodataDirPattern = Pattern.compile(CONTENTS_DIR + ".+/90_data/.+");
                    Matcher userodataDirMatcher = userodataDirPattern.matcher(entryName);

                    if (getFileExtension(entryName).equals(".xml")) {
                        // 00_$metadata.xml??
                        davCmp = getCollection(entryName, odataCols);
                        // OData????????
                        producer = davCmp.getODataProducer();
                        if (!registUserSchema(entryName, this.zipArchiveInputStream, davCmp)) {
                            doneKeys.add(entryName);
                            return false;
                        }
                        writeOutputStream(false, "PL-BI-1003", entryName);
                        doneKeys.add(entryName);
                        continue;
                    } else if (entryName.endsWith(USERDATA_LINKS_JSON)) {
                        userDataLinks = registJsonLinksUserdata(entryName, this.zipArchiveInputStream);
                        if (userDataLinks == null) {
                            doneKeys.add(entryName);
                            return false;
                        }
                        writeOutputStream(false, "PL-BI-1003", entryName);
                        doneKeys.add(entryName);
                        continue;
                    } else if (userodataDirMatcher.matches() && getFileExtension(entryName).equals(".json")) {
                        userDataCount++;
                        if (!setBulkRequests(entryName, producer, bulkRequests, fileNameMap)) {
                            return false;
                        }
                        doneKeys.add(entryName);

                        if ((userDataCount % bulkSize) == 0
                                && !execBulkRequest(davCmp.getCellId(), bulkRequests, fileNameMap, producer)) {
                            return false;
                        }
                        continue;
                    } else if (!entryName.endsWith("/")) {
                        // xml,json?????????
                        String message = DcCoreMessageUtils.getMessage("PL-BI-2001");
                        log.info(message + " [" + entryName + "]");
                        writeOutputStream(true, "PL-BI-1004", entryName, message);
                        return false;
                    }
                }
                break;

            case TYPE_DAV_FILE:
                // WebDAV?
                // bar/90_contents/{davcol_name}??1????
                if (!registWebDavFile(entryName, this.zipArchiveInputStream, webdavCols)) {
                    return false;
                }
                break;

            case TYPE_SVC_FILE:
                // Service?
                if (!installSvcCollection(webdavCols, entryName)) {
                    return false;
                }
                break;

            case TYPE_MISMATCH:
                // OData??????????rootprops??????
                String message = DcCoreMessageUtils.getMessage("PL-BI-2006");
                log.info(message + " [" + entryName + "]");
                writeOutputStream(true, "PL-BI-1004", entryName, message);
                return false;

            default:
                break;
            }
            writeOutputStream(false, "PL-BI-1003", entryName);
            doneKeys.add(entryName);
        }

        // ODataCollection??????????????????
        if (currentPath != null) {
            if (!execBulkRequest(davCmp.getCellId(), bulkRequests, fileNameMap, producer)) {
                return false;
            }
            if (!createUserdataLinks(producer, userDataLinks)) {
                return false;
            }
            userDataLinks = null;
        }
    } catch (IOException ex) {
        isSuccess = false;
        log.info("IOException: " + ex.getMessage(), ex.fillInStackTrace());
        String message = DcCoreMessageUtils.getMessage("PL-BI-2000");
        writeOutputStream(true, CODE_BAR_INSTALL_FAILED, "", message);

    }
    // bar/90_contents/{odatacol_name}/00_$metadata.xml)??
    isSuccess = checkNecessaryFile(isSuccess, odataCols, doneKeys);
    return isSuccess;
}

From source file:com.android.sdklib.internal.repository.ArchiveInstaller.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 .j a  v a  2s. com*/
@SuppressWarnings("unchecked")
private boolean unzipFolder(File archiveFile, long compressedSize, File unzipDestFolder, String description,
        ITaskMonitor monitor) {

    description += " (%1$d%%)";

    ZipFile zipFile = null;
    try {
        zipFile = new ZipFile(archiveFile);

        // figure if we'll need to set the unix permissions
        boolean usingUnixPerm = SdkConstants.CURRENT_PLATFORM == SdkConstants.PLATFORM_DARWIN
                || SdkConstants.CURRENT_PLATFORM == SdkConstants.PLATFORM_LINUX;

        // To advance the percent and the progress bar, we don't know the number of
        // items left to unzip. However we know the size of the archive and the size of
        // each uncompressed item. The zip file format overhead is negligible so that's
        // a good approximation.
        long incStep = compressedSize / NUM_MONITOR_INC;
        long incTotal = 0;
        long incCurr = 0;
        int lastPercent = 0;

        byte[] buf = new byte[65536];

        Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
        while (entries.hasMoreElements()) {
            ZipArchiveEntry entry = entries.nextElement();

            String name = entry.getName();

            // ZipFile entries should have forward slashes, but not all Zip
            // implementations can be expected to do that.
            name = name.replace('\\', '/');

            // Zip entries are always packages in a top-level directory
            // (e.g. docs/index.html). However we want to use our top-level
            // directory so we drop the first segment of the path name.
            int pos = name.indexOf('/');
            if (pos < 0 || pos == name.length() - 1) {
                continue;
            } else {
                name = name.substring(pos + 1);
            }

            File destFile = new File(unzipDestFolder, name);

            if (name.endsWith("/")) { //$NON-NLS-1$
                // Create directory if it doesn't exist yet. This allows us to create
                // empty directories.
                if (!destFile.isDirectory() && !destFile.mkdirs()) {
                    monitor.setResult("Failed to create temp directory %1$s", destFile.getPath());
                    return false;
                }
                continue;
            } else if (name.indexOf('/') != -1) {
                // Otherwise it's a file in a sub-directory.
                // Make sure the parent directory has been created.
                File parentDir = destFile.getParentFile();
                if (!parentDir.isDirectory()) {
                    if (!parentDir.mkdirs()) {
                        monitor.setResult("Failed to create temp directory %1$s", parentDir.getPath());
                        return false;
                    }
                }
            }

            FileOutputStream fos = null;
            try {
                fos = new FileOutputStream(destFile);
                int n;
                InputStream entryContent = zipFile.getInputStream(entry);
                while ((n = entryContent.read(buf)) != -1) {
                    if (n > 0) {
                        fos.write(buf, 0, n);
                    }
                }
            } finally {
                if (fos != null) {
                    fos.close();
                }
            }

            // if needed set the permissions.
            if (usingUnixPerm && destFile.isFile()) {
                // get the mode and test if it contains the executable bit
                int mode = entry.getUnixMode();
                if ((mode & 0111) != 0) {
                    OsHelper.setExecutablePermission(destFile);
                }
            }

            // Increment progress bar to match. We update only between files.
            for (incTotal += entry.getCompressedSize(); incCurr < incTotal; incCurr += incStep) {
                monitor.incProgress(1);
            }

            int percent = (int) (100 * incTotal / compressedSize);
            if (percent != lastPercent) {
                monitor.setDescription(description, percent);
                lastPercent = percent;
            }

            if (monitor.isCancelRequested()) {
                return false;
            }
        }

        return true;

    } catch (IOException e) {
        monitor.setResult("Unzip failed: %1$s", e.getMessage());

    } finally {
        if (zipFile != null) {
            try {
                zipFile.close();
            } catch (IOException e) {
                // pass
            }
        }
    }

    return false;
}