Example usage for java.util.zip ZipEntry isDirectory

List of usage examples for java.util.zip ZipEntry isDirectory

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Introduction

In this page you can find the example usage for java.util.zip ZipEntry isDirectory.

Prototype

public boolean isDirectory()

Source Link

Document

Returns true if this is a directory entry.

Usage

From source file:Utils.java

/**
 * Unpack a zip file/*from   w w  w  . j a  v a2s .c om*/
 * 
 * @param theFile
 * @param targetDir
 * @return the file
 * @throws IOException
 */
public static File unpackArchive(File theFile, File targetDir) throws IOException {
    if (!theFile.exists()) {
        throw new IOException(theFile.getAbsolutePath() + " does not exist");
    }
    if (!buildDirectory(targetDir)) {
        throw new IOException("Could not create directory: " + targetDir);
    }
    ZipFile zipFile = new ZipFile(theFile);
    for (Enumeration entries = zipFile.entries(); entries.hasMoreElements();) {
        ZipEntry entry = (ZipEntry) entries.nextElement();
        File file = new File(targetDir, File.separator + entry.getName());
        if (!buildDirectory(file.getParentFile())) {
            throw new IOException("Could not create directory: " + file.getParentFile());
        }
        if (!entry.isDirectory()) {
            copyInputStream(zipFile.getInputStream(entry),
                    new BufferedOutputStream(new FileOutputStream(file)));
        } else {
            if (!buildDirectory(file)) {
                throw new IOException("Could not create directory: " + file);
            }
        }
    }
    zipFile.close();
    return theFile;
}

From source file:com.mc.printer.model.utils.ZipHelper.java

public static void unZip(String sourceZip, String outDirName) throws IOException {
    log.info("unzip source:" + sourceZip);
    log.info("unzip to :" + outDirName);
    ZipFile zfile = new ZipFile(sourceZip);
    System.out.println(zfile.getName());
    Enumeration zList = zfile.entries();
    ZipEntry ze = null;
    byte[] buf = new byte[1024];
    while (zList.hasMoreElements()) {
        //ZipFileZipEntry
        ze = (ZipEntry) zList.nextElement();
        if (ze.isDirectory()) {
            continue;
        }/*  www. jav a  2  s . c  o m*/
        //ZipEntry?InputStreamOutputStream
        File fil = getRealFileName(outDirName, ze.getName());

        OutputStream os = new BufferedOutputStream(new FileOutputStream(fil));
        InputStream is = new BufferedInputStream(zfile.getInputStream(ze));
        int readLen = 0;
        while ((readLen = is.read(buf, 0, 1024)) != -1) {
            os.write(buf, 0, readLen);
        }
        is.close();
        os.close();
        log.debug("Extracted: " + ze.getName());
    }
    zfile.close();

}

From source file:ZipFileUtil.java

/**
 * @param zipFile/*  w  w  w. ja v  a 2 s .  com*/
 * @param jiniHomeParentDir
 */
public static void unzipFileIntoDirectory(ZipFile zipFile, File jiniHomeParentDir) {
    Enumeration files = zipFile.entries();
    File f = null;
    FileOutputStream fos = null;

    while (files.hasMoreElements()) {
        try {
            ZipEntry entry = (ZipEntry) files.nextElement();
            InputStream eis = zipFile.getInputStream(entry);
            byte[] buffer = new byte[1024];
            int bytesRead = 0;

            f = new File(jiniHomeParentDir.getAbsolutePath() + File.separator + entry.getName());

            if (entry.isDirectory()) {
                f.mkdirs();
                continue;
            } else {
                f.getParentFile().mkdirs();
                f.createNewFile();
            }

            fos = new FileOutputStream(f);

            while ((bytesRead = eis.read(buffer)) != -1) {
                fos.write(buffer, 0, bytesRead);
            }
        } catch (IOException e) {
            e.printStackTrace();
            continue;
        } finally {
            if (fos != null) {
                try {
                    fos.close();
                } catch (IOException e) {
                    // ignore
                }
            }
        }
    }
}

From source file:it.geosolutions.geofence.gui.server.utility.IoUtility.java

/**
 * Decompress.// w w w  .  j a v a2  s .  co m
 *
 * @param prefix
 *            the prefix
 * @param inputFile
 *            the input file
 * @param tempFile
 *            the temp file
 * @return the file
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
public static File decompress(final String prefix, final File inputFile, final File tempFile)
        throws IOException {
    final File tmpDestDir = createTodayPrefixedDirectory(prefix, new File(tempFile.getParent()));

    ZipFile zipFile = new ZipFile(inputFile);

    Enumeration<? extends ZipEntry> entries = zipFile.entries();

    while (entries.hasMoreElements()) {

        ZipEntry entry = (ZipEntry) entries.nextElement();
        InputStream stream = zipFile.getInputStream(entry);

        if (entry.isDirectory()) {
            // Assume directories are stored parents first then
            // children.
            (new File(tmpDestDir, entry.getName())).mkdir();

            continue;
        }

        File newFile = new File(tmpDestDir, entry.getName());

        FileOutputStream fos = new FileOutputStream(newFile);
        try {
            byte[] buf = new byte[1024];
            int len;

            while ((len = stream.read(buf)) >= 0) {
                saveCompressedStream(buf, fos, len);
            }

        } catch (IOException e) {
            zipFile.close();

            IOException ioe = new IOException("Not valid ZIP archive file type.");
            ioe.initCause(e);
            throw ioe;
        } finally {
            fos.flush();
            fos.close();

            stream.close();
        }
    }
    zipFile.close();

    if ((tmpDestDir.listFiles().length == 1) && (tmpDestDir.listFiles()[0].isDirectory())) {
        return getShpFile(tmpDestDir.listFiles()[0]);
    }

    // File[] files = tmpDestDir.listFiles(new FilenameFilter() {
    //
    // public boolean accept(File dir, String name) {
    // return FilenameUtils.getExtension(name).equalsIgnoreCase("shp");
    // }
    // });
    //
    // return files.length > 0 ? files[0] : null;

    return getShpFile(tmpDestDir);
}

From source file:Main.java

public static void unZip(String zipFile, String outputFolder) throws IOException {

    byte[] buffer = new byte[1024];

    //create output directory is not exists
    File folder = new File(outputFolder);
    if (!folder.exists()) {
        folder.mkdir();/*from  w  ww  .  j a v a 2  s.c  o m*/
    }

    //get the zip file content
    ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFile));
    //get the zipped file list entry
    ZipEntry ze = zis.getNextEntry();

    while (ze != null) {

        String fileName = ze.getName();
        File newFile = new File(outputFolder + File.separator + fileName);

        //create all non exists folders
        //else you will hit FileNotFoundException for compressed folder
        if (ze.isDirectory())
            newFile.mkdirs();
        else {
            newFile.getParentFile().mkdirs();

            FileOutputStream fos = new FileOutputStream(newFile);

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

            fos.close();
        }
        ze = zis.getNextEntry();
    }

    zis.closeEntry();
    zis.close();

}

From source file:com.nuvolect.securesuite.util.OmniZip.java

/**
 * Unzip the file into the target directory.
 * The added structure is updated to reflect any new files and directories created.
 * Overwrite files when requested./*  w  ww  . j a  va2 s  . c  o m*/
 * @param zipOmni
 * @param targetDir
 * @param added
 * @param httpIpPort
 * @return
 */
public static boolean unzipFile(OmniFile zipOmni, OmniFile targetDir, JsonArray added, String httpIpPort) {

    String volumeId = zipOmni.getVolumeId();
    String rootFolderPath = targetDir.getPath();
    boolean DEBUG = true;

    /**
     * Keep a list of all directories created.
     * Defer creating the directory object files until the zip is extracted.
     * This way the dir=1/0 settings can be set accurately.
     */
    ArrayList<OmniFile> directories = new ArrayList<>();

    ZipInputStream zis = new ZipInputStream(zipOmni.getFileInputStream());

    ZipEntry entry = null;
    try {
        while ((entry = zis.getNextEntry()) != null) {

            if (entry.isDirectory()) {

                OmniFile dir = new OmniFile(volumeId, entry.getName());
                if (dir.mkdir()) {

                    directories.add(dir);
                    if (DEBUG)
                        LogUtil.log(LogUtil.LogType.OMNI_ZIP, "dir created: " + dir.getPath());
                }
            } else {

                String path = rootFolderPath + "/" + entry.getName();
                OmniFile file = new OmniFile(volumeId, path);
                // Create any necessary directories
                file.getParentFile().mkdirs();

                if (file.exists()) {
                    file = OmniUtil.makeUniqueName(file);
                }
                OutputStream out = file.getOutputStream();

                OmniFiles.copyFileLeaveInOpen(zis, out);
                if (DEBUG)
                    LogUtil.log(LogUtil.LogType.OMNI_ZIP, "file created: " + file.getPath());

                if (added != null)
                    added.add(file.getFileObject(httpIpPort));
            }
        }
        zis.close();

        if (added != null) {

            /**
             * Iterate over the list of directories created and
             * create object files for each.
             * The full tree is now expanded such that the dir=1/0
             * can be set accurately.
             */
            for (OmniFile dir : directories)
                added.add(dir.getFileObject(httpIpPort));
        }

    } catch (IOException e) {
        LogUtil.logException(LogUtil.LogType.OMNI_ZIP, e);
        return false;
    }

    return true;
}

From source file:com.wavemaker.StudioInstallService.java

public static File unzipFile(File zipfile) {
    int BUFFER = 2048;

    String zipname = zipfile.getName();
    int extindex = zipname.lastIndexOf(".");

    try {/* www .  j ava2  s .  com*/
        File zipFolder = new File(zipfile.getParentFile(), zipname.substring(0, extindex));
        if (zipFolder.exists())
            org.apache.commons.io.FileUtils.deleteDirectory(zipFolder);
        zipFolder.mkdir();

        File currentDir = zipFolder;
        //File currentDir = zipfile.getParentFile();

        BufferedOutputStream dest = null;
        FileInputStream fis = new FileInputStream(zipfile.toString());
        ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fis));
        ZipEntry entry;
        while ((entry = zis.getNextEntry()) != null) {
            System.out.println("Extracting: " + entry);
            if (entry.isDirectory()) {
                File f = new File(currentDir, entry.getName());
                if (f.exists())
                    f.delete(); // relevant if this is the top level folder
                f.mkdir();
            } else {
                int count;
                byte data[] = new byte[BUFFER];
                //needed for non-dir file ace/ace.js created by 7zip
                File destFile = new File(currentDir, entry.getName());
                // write the files to the disk
                FileOutputStream fos = new FileOutputStream(currentDir.toString() + "/" + entry.getName());
                dest = new BufferedOutputStream(fos, BUFFER);
                while ((count = zis.read(data, 0, BUFFER)) != -1) {
                    dest.write(data, 0, count);
                }
                dest.flush();
                dest.close();
            }
        }
        zis.close();

        return currentDir;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return (File) null;

}

From source file:com.googlecode.osde.internal.profiling.Profile.java

/**
 * Unzips a zip content into a physical folder.
 *
 * @return The newly-created folder with the unzipped content.
 *///from   w  w w. j  a va2  s  . c om
private static File unzip(InputStream resource, File output) throws IOException {
    // Allocate a 16K buffer to read the XPI file faster.
    ZipInputStream zipStream = new ZipInputStream(new BufferedInputStream(resource, 16 * 1024));
    ZipEntry entry = zipStream.getNextEntry();
    while (entry != null) {
        final File target = new File(output, entry.getName());
        if (entry.isDirectory()) {
            forceMkdir(target);
        } else {
            unzipFile(target, zipStream);
        }
        entry = zipStream.getNextEntry();
    }

    return output;
}

From source file:de.thischwa.pmcms.tool.compression.Zip.java

/**
 * Method to extract all {@link ZipInfo}s into 'destDir'. Inner directory structure will be copied.
 * /*from   ww  w. jav  a2 s  . c o  m*/
 * @param destDir
 * @param zipInfo
 * @param monitor must be initialized by the caller.
 * @throws IOException
 */
public static void extract(final File destDir, final ZipInfo zipInfo, final IProgressMonitor monitor)
        throws IOException {
    if (!destDir.exists())
        destDir.mkdirs();

    for (String key : zipInfo.getEntryKeys()) {
        ZipEntry entry = zipInfo.getEntry(key);
        InputStream in = zipInfo.getInputStream(entry);
        File entryDest = new File(destDir, entry.getName());
        entryDest.getParentFile().mkdirs();
        if (!entry.isDirectory()) {
            OutputStream out = new FileOutputStream(new File(destDir, entry.getName()));
            try {
                IOUtils.copy(in, out);
                out.flush();
                if (monitor != null)
                    monitor.worked(1);
            } finally { // cleanup
                IOUtils.closeQuietly(in);
                IOUtils.closeQuietly(out);
            }
        }
    }
    if (monitor != null)
        monitor.done();
}

From source file:de.egore911.versioning.deployer.performer.PerformExtraction.java

private static boolean extract(String uri, List<ExtractionPair> extractions) {
    URL url;// w  w w. j av  a2  s.c  o m
    try {
        url = new URL(uri);
    } catch (MalformedURLException e) {
        LOG.error("Invalid URI: {}", e.getMessage(), e);
        return false;
    }
    try {
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        int response = connection.getResponseCode();

        int lastSlash = uri.lastIndexOf('/');
        if (lastSlash < 0) {
            LOG.error("Invalid URI: {}", uri);
            return false;
        }

        int lastDot = uri.lastIndexOf('.');
        if (lastDot < 0) {
            LOG.error("Invalid URI: {}", uri);
            return false;
        }

        File downloadFile = File.createTempFile(uri.substring(lastSlash + 1), uri.substring(lastDot + 1));
        downloadFile.deleteOnExit();

        if (response == HttpURLConnection.HTTP_OK) {
            try (InputStream in = connection.getInputStream();
                    FileOutputStream out = new FileOutputStream(downloadFile)) {
                IOUtils.copy(in, out);
            }
            LOG.debug("Downloaded {} to {}", url, downloadFile.getAbsolutePath());

            Set<ExtractionPair> usedExtractions = new HashSet<>();

            // Perform extractions
            try (ZipFile zipFile = new ZipFile(downloadFile)) {
                Enumeration<? extends ZipEntry> entries = zipFile.entries();
                while (entries.hasMoreElements()) {
                    ZipEntry entry = entries.nextElement();

                    // Only extract files
                    if (entry.isDirectory()) {
                        continue;
                    }

                    for (ExtractionPair extraction : extractions) {
                        String sourcePattern = extraction.source;
                        if (FilenameUtils.wildcardMatch(entry.getName(), sourcePattern)) {
                            usedExtractions.add(extraction);
                            LOG.debug("Found matching file {} for source pattern {}", entry.getName(),
                                    sourcePattern);
                            String filename = getSourcePatternMatch(entry.getName(), sourcePattern);
                            // Workaround: If there is no matcher in 'sourcePattern' it will return the
                            // complete path. Strip it down to the filename
                            if (filename.equals(entry.getName())) {
                                int lastIndexOf = filename.lastIndexOf('/');
                                if (lastIndexOf >= 0) {
                                    filename = filename.substring(lastIndexOf + 1);
                                }
                            }
                            String name = UrlUtil.concatenateUrlWithSlashes(extraction.destination, filename);
                            FileUtils.forceMkdir(new File(name).getParentFile());
                            try (InputStream in = zipFile.getInputStream(entry);
                                    FileOutputStream out = new FileOutputStream(name)) {
                                IOUtils.copy(in, out);
                            }
                            LOG.debug("Extracted {} to {} from {}", entry.getName(), name, uri);
                        }
                    }
                }
            }

            for (ExtractionPair extraction : extractions) {
                if (!usedExtractions.contains(extraction)) {
                    LOG.debug("Extraction {} to {} not used on {}", extraction.source, extraction.destination,
                            uri);
                }
            }

            return true;
        } else {
            LOG.error("Could not download file: {}", uri);
            return false;
        }
    } catch (IOException e) {
        LOG.error("Could not download file: {}", e.getMessage(), e);
        return false;
    }
}