Example usage for java.util.zip ZipOutputStream finish

Introduction

In this page you can find the example usage for java.util.zip ZipOutputStream finish.

Prototype

public void finish() throws IOException 

Source Link

Document

Finishes writing the contents of the ZIP output stream without closing the underlying stream.

Usage

From source file:org.geowebcache.service.kml.KMZHelper.java

/**
 * Writes two byte[] into a zip/*from  w  ww  .  j a va2s  .  c om*/
 * -> like a zipfile with two files
 * 
 * @param namePfx prefix for files inside file
 * @param overlay
 * @param data
 * @param out
 * @throws IOException
 */
private static void writeZippedKML(String namePfx, String formatExtension, byte[] overlay, Resource data,
        OutputStream out) throws IOException {

    ZipOutputStream zipos = new ZipOutputStream(out);
    // High compression
    //zipos.setLevel(9);

    // Add the overlay, links to the next content
    ZipEntry zeOl = new ZipEntry("netlinks_" + namePfx + ".kml");
    zipos.putNextEntry(zeOl);
    zipos.write(overlay);

    // Add the actual data, if applicable
    if (data != null) {
        ZipEntry zeData = new ZipEntry("data_" + namePfx + "." + formatExtension);
        zipos.putNextEntry(zeData);
        WritableByteChannel outch = Channels.newChannel(zipos);
        data.transferTo(outch);
    }
    zipos.finish();
}

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From source file:net.grinder.util.LogCompressUtil.java

/**
 * Compress the given file.//  w w  w. jav a2  s. c  om
 * 
 * @param logFile
 *            file to be compressed
 * @return compressed file byte array
 */
public static byte[] compressFile(File logFile) {
    FileInputStream fio = null;
    ByteArrayOutputStream out = null;
    ZipOutputStream zos = null;
    try {
        fio = new FileInputStream(logFile);
        out = new ByteArrayOutputStream();
        zos = new ZipOutputStream(out);
        ZipEntry zipEntry = new ZipEntry("log.txt");
        zipEntry.setTime(new Date().getTime());
        zos.putNextEntry(zipEntry);
        byte[] buffer = new byte[COMPRESS_BUFFER_SIZE];
        int count = 0;
        while ((count = fio.read(buffer, 0, COMPRESS_BUFFER_SIZE)) != -1) {
            zos.write(buffer, 0, count);
        }
        zos.closeEntry();
        zos.finish();
        zos.flush();
        return out.toByteArray();
    } catch (IOException e) {
        LOGGER.error("Error occurs while compress {}", logFile.getAbsolutePath());
        LOGGER.error("Details", e);
        return null;
    } finally {
        IOUtils.closeQuietly(zos);
        IOUtils.closeQuietly(fio);
        IOUtils.closeQuietly(out);
    }
}

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From source file:io.druid.java.util.common.CompressionUtils.java

/**
 * Zips the contents of the input directory to the output stream. Sub directories are skipped
 *
 * @param directory The directory whose contents should be added to the zip in the output stream.
 * @param out       The output stream to write the zip data to. Caller is responsible for closing this stream.
 *
 * @return The number of bytes (uncompressed) read from the input directory.
 *
 * @throws IOException/*from  w  w w . j a  va  2s .  co  m*/
 */
public static long zip(File directory, OutputStream out) throws IOException {
    if (!directory.isDirectory()) {
        throw new IOE("directory[%s] is not a directory", directory);
    }

    final ZipOutputStream zipOut = new ZipOutputStream(out);

    long totalSize = 0;
    for (File file : directory.listFiles()) {
        log.info("Adding file[%s] with size[%,d].  Total size so far[%,d]", file, file.length(), totalSize);
        if (file.length() >= Integer.MAX_VALUE) {
            zipOut.finish();
            throw new IOE("file[%s] too large [%,d]", file, file.length());
        }
        zipOut.putNextEntry(new ZipEntry(file.getName()));
        totalSize += Files.asByteSource(file).copyTo(zipOut);
    }
    zipOut.closeEntry();
    // Workaround for http://hg.openjdk.java.net/jdk8/jdk8/jdk/rev/759aa847dcaf
    zipOut.flush();
    zipOut.finish();

    return totalSize;
}

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From source file:Main.java

private static void zipDir(String dir, ZipOutputStream out) throws IOException {
    File directory = new File(dir);

    URI base = directory.toURI();

    ArrayList<File> filesToZip = new ArrayList<File>();

    GetFiles(directory, filesToZip);//from  w  w w .  j a v a 2 s .co m

    for (int i = 0; i < filesToZip.size(); ++i) {
        FileInputStream in = new FileInputStream(filesToZip.get(i));

        String name = base.relativize(filesToZip.get(i).toURI()).getPath();

        out.putNextEntry(new ZipEntry(name));

        byte[] buf = new byte[4096];
        int bytes = 0;

        while ((bytes = in.read(buf)) != -1) {
            out.write(buf, 0, bytes);
        }

        out.closeEntry();

        in.close();
    }

    out.finish();
    out.flush();
}

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From source file:org.apache.druid.java.util.common.CompressionUtils.java

/**
 * Zips the contents of the input directory to the output stream. Sub directories are skipped
 *
 * @param directory The directory whose contents should be added to the zip in the output stream.
 * @param out       The output stream to write the zip data to. Caller is responsible for closing this stream.
 *
 * @return The number of bytes (uncompressed) read from the input directory.
 *
 * @throws IOException/* w w  w .jav a2s .com*/
 */
public static long zip(File directory, OutputStream out) throws IOException {
    if (!directory.isDirectory()) {
        throw new IOE("directory[%s] is not a directory", directory);
    }

    final ZipOutputStream zipOut = new ZipOutputStream(out);

    long totalSize = 0;
    for (File file : directory.listFiles()) {
        log.info("Adding file[%s] with size[%,d].  Total size so far[%,d]", file, file.length(), totalSize);
        if (file.length() > Integer.MAX_VALUE) {
            zipOut.finish();
            throw new IOE("file[%s] too large [%,d]", file, file.length());
        }
        zipOut.putNextEntry(new ZipEntry(file.getName()));
        totalSize += Files.asByteSource(file).copyTo(zipOut);
    }
    zipOut.closeEntry();
    // Workaround for http://hg.openjdk.java.net/jdk8/jdk8/jdk/rev/759aa847dcaf
    zipOut.flush();
    zipOut.finish();

    return totalSize;
}

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From source file:com.recomdata.transmart.data.export.util.ZipUtil.java

/**
 * This method will bundle all the files into a zip file. 
 * If there are 2 files with the same name, only the first file is part of the zip.
 * /*w  w  w .  ja  va2 s  .  co  m*/
 * @param zipFileName
 * @param files
 * 
 * @return zipFile absolute path
 * 
 */
public static String bundleZipFile(String zipFileName, List<File> files) {
    File zipFile = null;
    Map<String, File> filesMap = new HashMap<String, File>();

    if (StringUtils.isEmpty(zipFileName))
        return null;

    try {
        zipFile = new File(zipFileName);
        if (zipFile.exists() && zipFile.isFile() && zipFile.delete()) {
            zipFile = new File(zipFileName);
        }

        ZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(zipFile));
        zipOut.setLevel(ZipOutputStream.DEFLATED);
        byte[] buffer = new byte[BUFFER_SIZE];

        for (File file : files) {
            if (filesMap.containsKey(file.getName())) {
                continue;
            } else if (file.exists() && file.canRead()) {
                filesMap.put(file.getName(), file);
                zipOut.putNextEntry(new ZipEntry(file.getName()));
                FileInputStream fis = new FileInputStream(file);
                int bytesRead;
                while ((bytesRead = fis.read(buffer)) != -1) {
                    zipOut.write(buffer, 0, bytesRead);
                }
                zipOut.flush();
                zipOut.closeEntry();
            }
        }
        zipOut.finish();
        zipOut.close();
    } catch (IOException e) {
        //log.error("Error while creating Zip file");
    }

    return (null != zipFile) ? zipFile.getAbsolutePath() : null;
}

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From source file:pxb.android.dex2jar.dump.Dump.java

public static void doData(byte[] data, File destJar) throws IOException {
    final ZipOutputStream zos = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(destJar)));
    new DexFileReader(data).accept(new Dump(new EmptyVisitor(), new WriterManager() {

        public PrintWriter get(String name) {
            try {
                String s = name.replace('.', '/') + ".dump.txt";
                ZipEntry zipEntry = new ZipEntry(s);
                zos.putNextEntry(zipEntry);
                return new PrintWriter(new ProxyOutputStream(zos) {
                    @Override/*from   www  .j a  va 2 s.  com*/
                    public void close() throws IOException {
                        zos.closeEntry();
                    }
                });
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
    }));
    zos.finish();
    zos.close();
}

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From source file:org.geoserver.csw.response.ZipOutputFormat.java

@Override
public void write(Object value, OutputStream output, Operation operation) throws IOException, ServiceException {

    File tempDir = IOUtils.createTempDirectory("ziptemp");
    if (value == null) {
        throw new ServiceException("No value to be written has been provided");
    }/* w w  w.j  a  va  2  s.  c  o  m*/
    try {
        List<File> files = null;
        if (value instanceof List) {
            files = (List<File>) value;
        } else if (value instanceof File) {
            files = Collections.singletonList((File) value);
        } else {
            throw new IllegalArgumentException(value.getClass() + " type isn't supported yet");
        }

        // Copying files to the temp folder
        for (File file : files) {
            FileUtils.copyFile(file, new File(tempDir, file.getName()));
        }
        ZipOutputStream zipOut = new ZipOutputStream(output);
        IOUtils.zipDirectory(tempDir, zipOut, null);
        zipOut.finish();
    } finally {
        // make sure we remove the temp directory and its contents completely now
        try {
            FileUtils.deleteDirectory(tempDir);
        } catch (IOException e) {
            LOGGER.warning("Could not delete temp directory: " + tempDir.getAbsolutePath() + " due to: "
                    + e.getMessage());
        }
    }
}

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From source file:com.google.mr4c.sources.LogsDatasetSource.java

public synchronized void copyToFinal() throws IOException {
    List<String> names = new ArrayList<String>(m_fileSrc.getAllFileNames());
    names.remove(ZIP_FILE_NAME);/*from   w ww  . ja v a  2  s.c om*/
    DataFileSink zipSink = m_fileSrc.getFileSink(ZIP_FILE_NAME);
    OutputStream output = zipSink.getFileOutputStream();
    try {
        ZipOutputStream zipStream = new ZipOutputStream(output);
        for (String name : names) {
            addZipEntry(zipStream, name);
        }
        zipStream.finish();
    } finally {
        output.close();
    }
}

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From source file:net.grinder.util.LogCompressUtil.java

/**
 * Compress multiple Files.//from w  w  w .  j  a v  a2  s .  co  m
 * 
 * @param logFiles
 *            files to be compressed
 * @return compressed file byte array
 */
public static byte[] compressFile(File[] logFiles) {
    FileInputStream fio = null;
    ByteArrayOutputStream out = null;
    ZipOutputStream zos = null;
    try {

        out = new ByteArrayOutputStream();
        zos = new ZipOutputStream(out);
        for (File each : logFiles) {
            try {
                fio = new FileInputStream(each);
                ZipEntry zipEntry = new ZipEntry(each.getName());
                zipEntry.setTime(each.lastModified());
                zos.putNextEntry(zipEntry);
                byte[] buffer = new byte[COMPRESS_BUFFER_SIZE];
                int count = 0;
                while ((count = fio.read(buffer, 0, COMPRESS_BUFFER_SIZE)) != -1) {
                    zos.write(buffer, 0, count);
                }
                zos.closeEntry();
            } catch (IOException e) {
                LOGGER.error("Error occurs while compress {}", each.getAbsolutePath());
                LOGGER.error("Details", e);
            } finally {
                IOUtils.closeQuietly(fio);
            }
        }
        zos.finish();
        zos.flush();
        return out.toByteArray();
    } catch (IOException e) {
        LOGGER.info("Error occurs while compress log : {} ", e.getMessage());
        LOGGER.debug("Details", e);
        return null;
    } finally {
        IOUtils.closeQuietly(zos);
        IOUtils.closeQuietly(fio);
        IOUtils.closeQuietly(out);
    }
}

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