Example usage for java.util.zip ZipInputStream read

Introduction

In this page you can find the example usage for java.util.zip ZipInputStream read.

Prototype

public int read(byte b[]) throws IOException 

Source Link

Document

Reads up to b.length bytes of data from this input stream into an array of bytes.

Usage

From source file:org.scify.talkandplay.utils.Updater.java

private ArrayList<String> extractZip() {
    ArrayList<String> tempfilesThatWillReplaceTheExisting = new ArrayList<>();
    try {//w ww .  j  a va2 s.co m
        ZipInputStream zipIn = new ZipInputStream(
                new FileInputStream(properties.getTmpFolder() + File.separator + properties.getZipFile()));
        ZipEntry entry = zipIn.getNextEntry();
        // iterates over entries in the zip file
        while (entry != null) {
            String filePath = properties.getTmpFolder() + File.separator + entry.getName();
            if (!entry.isDirectory()) {
                tempfilesThatWillReplaceTheExisting.add(filePath);
                BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(filePath));
                byte[] bytesIn = new byte[1024];
                int read = 0;
                while ((read = zipIn.read(bytesIn)) != -1) {
                    bos.write(bytesIn, 0, read);
                }
                bos.close();
            } else {
                File dir = new File(filePath);
                dir.mkdir();
            }
            zipIn.closeEntry();
            entry = zipIn.getNextEntry();
        }
        zipIn.close();
    } catch (FileNotFoundException ex) {
        Logger.getLogger(Updater.class.getName()).log(Level.SEVERE, null, ex);
        return null;
    } catch (IOException ex) {
        Logger.getLogger(Updater.class.getName()).log(Level.SEVERE, null, ex);
        return null;
    }
    return tempfilesThatWillReplaceTheExisting;
}

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From source file:org.infoscoop.service.GadgetResourceService.java

public void updateResources(String type, String moduleName, ZipInputStream zin) throws GadgetResourceException {
    gadgetDAO.deleteType(type);/*w  w w  .  j a  v  a2 s.com*/
    //gadgetIconDAO.deleteByType(type);

    boolean findModule = false;
    try {
        ZipEntry entry;
        while ((entry = getNextEntry(zin)) != null) {
            if (!entry.isDirectory()) {
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                byte[] buf = new byte[5120];
                int reads = 0;
                while (!((reads = zin.read(buf)) < 0))
                    baos.write(buf, 0, reads);
                byte[] data = baos.toByteArray();

                String zipName = entry.getName();
                String path = "/" + zipName.substring(0, zipName.lastIndexOf("/") + 1);
                String name = zipName.substring(path.length() - 1);

                try {
                    if (path.length() > 1 && path.endsWith("/"))
                        path = path.substring(0, path.length() - 1);

                    if ("/".equals(path) && (moduleName + ".xml").equalsIgnoreCase(name)) {
                        findModule = true;
                        name = type + ".xml";

                        data = validateGadgetData(type, path, name, data);
                    }

                    insertResource(type, path, name, data);
                } catch (Exception ex) {
                    throw new GadgetResourceArchiveException(path, name,
                            "It is an entry of an invalid archive.  error at [" + path + "/" + name + "]"
                                    + ex.getMessage(),
                            "ams_gadgetResourceInvalidArchiveEntry", ex);
                }
            }

            zin.closeEntry();
        }
    } catch (GadgetResourceException ex) {
        throw ex;
    } catch (Exception ex) {
        log.error("", ex);

        throw new GadgetResourceException("It is an invalid archive.", "ams_gadgetResourceInvalidArchive");
    }

    if (!findModule)
        throw new GadgetResourceException(
                "Not found gadget module( /" + moduleName + ".xml" + " ) in an uploaded archive.",
                "ams_gadgetResourceNotFoundGadgetModule");
}

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From source file:com.gatf.executor.report.ReportHandler.java

/**
  * @param zipFile//from  w  ww.  j  ava 2 s .  c om
  * @param directoryToExtractTo Provides file unzip functionality
  */
public static void unzipZipFile(InputStream zipFile, String directoryToExtractTo) {
    ZipInputStream in = new ZipInputStream(zipFile);
    try {
        File directory = new File(directoryToExtractTo);
        if (!directory.exists()) {
            directory.mkdirs();
            logger.info("Creating directory for Extraction...");
        }
        ZipEntry entry = in.getNextEntry();
        while (entry != null) {
            try {
                File file = new File(directory, entry.getName());
                if (entry.isDirectory()) {
                    file.mkdirs();
                } else {
                    FileOutputStream out = new FileOutputStream(file);
                    byte[] buffer = new byte[2048];
                    int len;
                    while ((len = in.read(buffer)) > 0) {
                        out.write(buffer, 0, len);
                    }
                    out.close();
                }
                in.closeEntry();
                entry = in.getNextEntry();
            } catch (Exception e) {
                logger.severe(ExceptionUtils.getStackTrace(e));
            }
        }
    } catch (IOException ioe) {
        logger.severe(ExceptionUtils.getStackTrace(ioe));
        return;
    }
}

---

From source file:com.bibisco.manager.ProjectManager.java

public static void unZipIt(String pStrZipFile) {

    mLog.debug("Start unZipIt(String)");

    try {//from w  w w.  j a va2 s .  c o  m
        // get temp directory path
        String lStrTempDirectory = ContextManager.getInstance().getTempDirectoryPath();

        // get the zip file content
        ZipInputStream lZipInputStream = new ZipInputStream(new FileInputStream(pStrZipFile));

        // get the zipped file list entry
        ZipEntry lZipEntry = lZipInputStream.getNextEntry();

        while (lZipEntry != null) {

            String lStrFileName = lZipEntry.getName();
            File lFileZipEntry = new File(lStrTempDirectory + File.separator + lStrFileName);

            // create all non exists folders
            new File(lFileZipEntry.getParent()).mkdirs();

            FileOutputStream lFileOutputStream = new FileOutputStream(lFileZipEntry);

            byte[] buffer = new byte[1024];
            int lIntLen;
            while ((lIntLen = lZipInputStream.read(buffer)) > 0) {
                lFileOutputStream.write(buffer, 0, lIntLen);
            }

            lFileOutputStream.close();
            lZipEntry = lZipInputStream.getNextEntry();
        }

        lZipInputStream.closeEntry();
        lZipInputStream.close();

    } catch (IOException e) {
        mLog.error(e);
        throw new BibiscoException(e, BibiscoException.IO_EXCEPTION);
    }

    mLog.debug("End unZipIt(String)");
}

---

From source file:org.wisdom.monitor.extensions.jcr.backup.ModeshapeJcrBackupExtension.java

public void unzip(File fileToUnzip, File folderToUnzipInto) {

    byte[] buffer = new byte[1024];

    try {//from w  w w  .  j a  v  a 2 s  .c  om
        //get the zip file content
        ZipInputStream zis = new ZipInputStream(new FileInputStream(fileToUnzip));
        //get the zipped file list entry
        ZipEntry ze = zis.getNextEntry();

        while (ze != null) {
            if (ze.isDirectory()) {
                ze = zis.getNextEntry();
                continue;
            }

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

            //create all non exists folders
            //else you will hit FileNotFoundException for compressed folder
            new File(newFile.getParent()).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();

    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

---

From source file:net.geoprism.data.importer.ShapefileImporter.java

@Request
public void run(InputStream iStream) throws InvocationTargetException {
    // create a buffer to improve copy performance later.
    byte[] buffer = new byte[2048];

    File directory = null;//ww w .  j av a  2 s. co m

    File first = null;

    try {
        directory = new File(FileUtils.getTempDirectory(),
                new Long(configuration.getGenerator().next()).toString());
        directory.mkdirs();

        ZipInputStream zstream = new ZipInputStream(iStream);

        ZipEntry entry;

        while ((entry = zstream.getNextEntry()) != null) {
            File file = new File(directory, entry.getName());

            if (first == null && file.getName().endsWith("dbf")) {
                first = file;
            }

            FileOutputStream output = null;

            try {
                output = new FileOutputStream(file);

                int len = 0;

                while ((len = zstream.read(buffer)) > 0) {
                    output.write(buffer, 0, len);
                }
            } finally {
                if (output != null) {
                    output.close();
                }
            }
        }

        if (first != null) {
            this.createFeatures(first.toURI().toURL());
        } else {
            // TODO Change exception type
            throw new RuntimeException("Empty zip file");
        }
    } catch (IOException e1) {
        throw new RuntimeException(e1);
    } finally {
        if (directory != null) {
            try {
                FileUtils.deleteDirectory(directory);
            } catch (IOException e) {
                // TODO Auto-generated catch block
                throw new RuntimeException(e);
            }
        }
    }
}

---

From source file:org.pentaho.marketplace.domain.services.DiPluginService.java

/**
 * Unzips the plugin to the file system The passed MarkeyEntry has the URL of the zip file.
 * @throws KettleException/* w w w  .j a  v  a 2  s. co  m*/
 */
private static void unzipMarketEntry(String folderName, String packageUrl) throws KettleException {

    // Copy the file locally first
    //
    File tmpFile = null;
    InputStream inputStream = null;
    ZipInputStream zis = null;

    try {
        // using HttpUtil to handle http redirects
        InputStream urlInputStream = HttpUtil.getURLInputStream(packageUrl);
        if (urlInputStream == null) {
            throw new KettleException("Unable get file from " + packageUrl);
        }
        tmpFile = File.createTempFile("plugin", ".zip");
        org.apache.commons.io.FileUtils.copyInputStreamToFile(urlInputStream, tmpFile);

        // Read the package, extract in folder
        //
        inputStream = new FileInputStream(tmpFile);
        zis = new ZipInputStream(inputStream);
        ZipEntry zipEntry = null;
        try {
            zipEntry = zis.getNextEntry();
        } catch (IOException ioe) {
            throw new KettleException(ioe);
        }
        byte[] buffer = new byte[1024];
        int bytesRead = 0;
        FileOutputStream fos = null;

        while (zipEntry != null) {
            try {
                File file = new File(folderName + File.separator + zipEntry.getName());

                if (zipEntry.isDirectory()) {
                    file.mkdirs();
                } else {
                    file.getParentFile().mkdirs();

                    fos = new FileOutputStream(file);
                    while ((bytesRead = zis.read(buffer)) != -1) {
                        fos.write(buffer, 0, bytesRead);
                    }
                }

                zipEntry = zis.getNextEntry();
            } catch (FileNotFoundException fnfe) {
                throw new KettleException(fnfe);
            } catch (IOException ioe) {
                throw new KettleException(ioe);
            } finally {
                if (fos != null) {
                    try {
                        fos.close();
                    } catch (IOException e) {
                        // Ignore.
                    }
                }
            }
        }
    } catch (IOException e) {
        throw new KettleException("Unable to unzip file " + packageUrl, e);
    } finally {
        if (zis != null) {
            tmpFile.delete();
            try {
                zis.close();
            } catch (Exception e) {
                throw new KettleException("Unable to close zip file stream (corrupt file?) of file " + tmpFile,
                        e);
            }
        }
    }

}

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From source file:org.jwebsocket.util.Tools.java

/**
 * Unzip a ZIP file into an output directory
 *
 * @see http://www.mkyong.com/java/how-to-decompress-files-from-a-zip-file/
 *
 * @param aZipFile input zip file/*from   ww  w  .  j  av a 2  s  .  co m*/
 * @param aOutputDirectory
 * @throws IOException
 */
public static void unzip(File aZipFile, File aOutputDirectory) throws IOException {

    byte[] lBuffer = new byte[1024];

    //create output directory is not exists
    if (!aOutputDirectory.exists()) {
        aOutputDirectory.mkdir();
    }

    //get the zip file content
    ZipInputStream lZIS = new ZipInputStream(new FileInputStream(aZipFile));
    //get the zipped file list entry
    ZipEntry lZE = lZIS.getNextEntry();

    while (lZE != null) {
        String lFileName = lZE.getName();
        File lNewFile = new File(aOutputDirectory.getCanonicalPath() + File.separator + lFileName);

        if (lZE.isDirectory()) {
            lNewFile.mkdir();
        } else {
            FileOutputStream lFOS = new FileOutputStream(lNewFile);
            int lLength;
            while ((lLength = lZIS.read(lBuffer)) > 0) {
                lFOS.write(lBuffer, 0, lLength);
            }

            lFOS.close();
        }
        lZE = lZIS.getNextEntry();
    }

    lZIS.closeEntry();
    lZIS.close();
}

---

From source file:org.tinymediamanager.core.tvshow.tasks.TvShowSubtitleDownloadTask.java

@Override
protected void doInBackground() {
    // let the DownloadTask handle the whole download
    super.doInBackground();

    MediaFile mf = new MediaFile(file);

    if (mf.getType() != MediaFileType.SUBTITLE) {
        String basename = FilenameUtils.getBaseName(file.getFileName().toString());

        // try to decompress
        try {//  www .  j  av  a 2 s .  c o m
            byte[] buffer = new byte[1024];

            ZipInputStream is = new ZipInputStream(new FileInputStream(file.toFile()));

            // get the zipped file list entry
            ZipEntry ze = is.getNextEntry();

            while (ze != null) {
                String zipEntryFilename = ze.getName();
                String extension = FilenameUtils.getExtension(zipEntryFilename);

                // check is that is a valid file type
                if (!Globals.settings.getSubtitleFileType().contains("." + extension)) {
                    ze = is.getNextEntry();
                    continue;
                }

                File destination = new File(file.getParent().toFile(), basename + "." + extension);
                FileOutputStream os = new FileOutputStream(destination);

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

                os.close();
                mf = new MediaFile(destination.toPath());

                // only take the first subtitle
                break;
            }
            is.closeEntry();
            is.close();

            Utils.deleteFileSafely(file);
        } catch (Exception e) {
        }
    }

    mf.gatherMediaInformation();
    episode.removeFromMediaFiles(mf); // remove old (possibly same) file
    episode.addToMediaFiles(mf); // add file, but maybe with other MI values
    episode.saveToDb();
}

---

From source file:com.haha01haha01.harail.DatabaseDownloader.java

private boolean unpackZip(File output_dir, File zipname) {
    InputStream is;/*  w ww. j a v a  2  s .co m*/
    ZipInputStream zis;
    try {
        String filename;
        is = new FileInputStream(zipname);
        zis = new ZipInputStream(new BufferedInputStream(is));
        ZipEntry ze;
        byte[] buffer = new byte[1024];
        int count;

        while ((ze = zis.getNextEntry()) != null) {
            filename = ze.getName();

            // Need to create directories if not exists, or
            // it will generate an Exception...
            if (ze.isDirectory()) {
                File fmd = new File(output_dir, filename);
                fmd.mkdirs();
                continue;
            }

            FileOutputStream fout = new FileOutputStream(new File(output_dir, filename));

            while ((count = zis.read(buffer)) != -1) {
                fout.write(buffer, 0, count);
            }

            fout.close();
            zis.closeEntry();
        }

        zis.close();
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }

    return true;
}

---

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