Example usage for java.util.zip GZIPOutputStream GZIPOutputStream

Introduction

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

Prototype

public GZIPOutputStream(OutputStream out) throws IOException 

Source Link

Document

Creates a new output stream with a default buffer size.

Usage

From source file:mase.me.MEFinalRepertoireStat.java

@Override
public void finalStatistics(EvolutionState state, int result) {
    super.finalStatistics(state, result);
    if (compress) {
        try {//  w  ww.  j  a  v a  2  s.  c  o m
            taos = new TarArchiveOutputStream(
                    new GZIPOutputStream(new BufferedOutputStream(new FileOutputStream(archiveFile))));
        } catch (IOException ex) {
            Logger.getLogger(BestSolutionGenStat.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    if (!compress && !archiveFile.exists()) {
        archiveFile.mkdirs();
    }

    MESubpopulation sub = (MESubpopulation) state.population.subpops[0];
    Collection<Entry<Integer, Individual>> entries = sub.map.entries();
    for (Entry<Integer, Individual> e : entries) {
        PersistentSolution p = SolutionPersistence.createPersistentController(state, e.getValue(), 0,
                e.getKey());
        p.setUserData(sub.getBehaviourVector(state, e.getValue()));
        try {
            if (compress) {
                SolutionPersistence.writeSolutionToTar(p, taos);
            } else {
                SolutionPersistence.writeSolutionInFolder(p, archiveFile);
            }
        } catch (IOException ex) {
            Logger.getLogger(BestSolutionGenStat.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    if (compress) {
        try {
            taos.close();
        } catch (IOException ex) {
            Logger.getLogger(MEFinalRepertoireStat.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}

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From source file:com.ltasks.GZipPostMethod.java

@Override
protected RequestEntity generateRequestEntity() {
    if (mIsGzip) {
        try {// w ww  .  j ava2 s. co  m
            String contentStr = EncodingUtil.formUrlEncode(getParameters(), getRequestCharSet());

            ByteArrayOutputStream originalContent = new ByteArrayOutputStream();
            originalContent.write(EncodingUtil.getAsciiBytes(contentStr));

            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            //ChunkedOutputStream chunkedOut = new ChunkedOutputStream(baos);
            GZIPOutputStream gzipOut = new GZIPOutputStream(baos);

            originalContent.writeTo(gzipOut);

            gzipOut.finish();
            byte[] content = baos.toByteArray();

            ByteArrayRequestEntity entity = new ByteArrayRequestEntity(content, FORM_URL_ENCODED_CONTENT_TYPE);
            return entity;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    } else {
        return super.generateRequestEntity();
    }
}

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From source file:com.breadwallet.tools.util.BRCompressor.java

public static byte[] gZipCompress(byte[] data) {
    if (data == null)
        return null;
    byte[] compressedData = null;
    try {/*from  ww w.  j a  va2s. co  m*/
        ByteArrayOutputStream byteStream = new ByteArrayOutputStream(data.length);
        try {
            GZIPOutputStream zipStream = new GZIPOutputStream(byteStream);
            try {
                zipStream.write(data);
            } finally {
                try {
                    zipStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        } finally {
            try {
                byteStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        compressedData = byteStream.toByteArray();
    } catch (Exception e) {
        FirebaseCrash.report(e);
        e.printStackTrace();
    }
    return compressedData;
}

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From source file:com.thoughtworks.go.websocket.MessageEncoding.java

public static byte[] encodeMessage(Message msg) {
    String encode = gson.toJson(msg);
    try {/*from   w  w w . j a  va 2 s. co  m*/
        try (ByteArrayOutputStream bytes = new ByteArrayOutputStream()) {
            try (GZIPOutputStream out = new GZIPOutputStream(bytes)) {
                out.write(encode.getBytes(StandardCharsets.UTF_8));
                out.finish();
            }
            return bytes.toByteArray();
        }
    } catch (IOException e) {
        throw bomb(e);
    }
}

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From source file:ch.ledcom.jpreseed.cli.JPreseed.java

public final void create(JPreseedArguments arguments) throws IOException {
    try (InputImage image = getSourceImage(arguments);
            GZIPOutputStream newImage = new GZIPOutputStream(
                    Files.newOutputStream(arguments.getTargetImage()))) {
        ByteBuffer sysConfigCfg = ByteBuffer.wrap(Files.readAllBytes(arguments.getSysConfigFile()));
        usbCreator.create(image.getContent(), newImage, sysConfigCfg, arguments.getPreseeds());
    }/* www.j a  v a  2s  .  c  om*/
}

---

From source file:ch.ledcom.jpreseed.UsbCreatorTest.java

@Test
public void createUsb() throws IOException {
    Date startTime = new Date();
    ByteBuffer sysLinuxCfg = ByteBuffer.wrap("sysLinuxCfg".getBytes());
    Set<Path> preseeds = Collections.singleton(HELLO_WORLD_TXT);

    try (InputStream srcBootImg = Files.newInputStream(VFAT_IMG_GZ);
            GZIPOutputStream newBootImg = new GZIPOutputStream(Files.newOutputStream(NEW_IMAGE))) {
        new UsbCreator().create(srcBootImg, newBootImg, sysLinuxCfg, preseeds);
    }//from   w w w . j  a va 2  s . c  o  m

    assertThat(NEW_IMAGE).exists();

    FileSystem fileSystem = FileSystemFactory.create(RamDisk.readGzipped(NEW_IMAGE.toFile()), true);

    FsDirectoryEntry newInitRdGzEntry = fileSystem.getRoot().getEntry(INITRD_GZ);
    assertThat(newInitRdGzEntry).hasBeenModifiedAt(startTime, 2000);
    assertThat(fileSystem.getRoot().getEntry(SYSLINUX_CFG)).hasBeenModifiedAt(startTime, 2000);

    CpioArchiveInputStream initRdCpio = getCpioArchiveInputStream(newInitRdGzEntry);
    assertThat(initRdCpio).hasSingleEntry(HELLO_WORLD_TXT.getFileName().toString());
}

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From source file:io.druid.data.input.impl.prefetch.RetryingInputStreamTest.java

@Before
public void setup() throws IOException {
    testFile = temporaryFolder.newFile();

    try (FileOutputStream fis = new FileOutputStream(testFile);
            GZIPOutputStream gis = new GZIPOutputStream(fis);
            DataOutputStream dis = new DataOutputStream(gis)) {
        for (int i = 0; i < 10000; i++) {
            dis.writeInt(i);//www.j  ava 2 s .  c  o  m
        }
    }

    throwError = false;

    final InputStream retryingInputStream = new RetryingInputStream<>(testFile, new ObjectOpenFunction<File>() {
        @Override
        public InputStream open(File object) throws IOException {
            return new TestInputStream(new FileInputStream(object));
        }

        @Override
        public InputStream open(File object, long start) throws IOException {
            final FileInputStream fis = new FileInputStream(object);
            Preconditions.checkState(fis.skip(start) == start);
            return new TestInputStream(fis);
        }
    }, e -> e instanceof IOException, MAX_RETRY);

    inputStream = new DataInputStream(new GZIPInputStream(retryingInputStream));

    throwError = true;
}

---

From source file:mase.stat.CompetitiveBestStat.java

@Override
public void setup(EvolutionState state, Parameter base) {
    super.setup(state, base);
    compress = state.parameters.getBoolean(base.push(P_COMPRESS), null, true);
    int n = state.parameters.getInt(new Parameter("pop.subpops"), null);
    outFile = new File[n];
    for (int i = 0; i < n; i++) {
        outFile[i] = state.parameters.getFile(base.push(P_FILE), null);
        String newName = compress ? outFile[i].getName().replace(".tar.gz", "." + i + ".tar.gz")
                : outFile[i].getName() + "." + i;
        outFile[i] = new File(outFile[i].getParent(), jobPrefix + newName);
    }/*from   ww w.jav  a 2  s . c om*/
    if (compress) {
        taos = new TarArchiveOutputStream[n];
        for (int i = 0; i < n; i++) {
            try {
                taos[i] = new TarArchiveOutputStream(
                        new GZIPOutputStream(new BufferedOutputStream(new FileOutputStream(outFile[i]))));
            } catch (IOException ex) {
                Logger.getLogger(BestSolutionGenStat.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }
    for (int i = 0; i < n; i++) {
        if (!compress && !outFile[i].exists()) {
            outFile[i].mkdirs();
        }
    }
    if (state.parameters.getBoolean(base.push(P_KEEP_LAST), null, true)) {
        last = new File[n];
        for (int i = 0; i < n; i++) {
            last[i] = new File(outFile[i].getParent(), jobPrefix + "last." + i + ".xml");
        }
    }
}

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From source file:org.shredzone.cilla.plugin.sitemap.SitemapView.java

/**
 * Renders a sitemap of all pages./*from   w  ww .j a  va2s . c  om*/
 */
@View(pattern = "/sitemap.xml.gz", name = "sitemap")
public void sitemapView(HttpServletRequest req, HttpServletResponse resp) throws ViewException {
    try {
        resp.setContentType("text/xml");
        resp.setHeader("Content-Encoding", "gzip");

        try (GZIPOutputStream go = new GZIPOutputStream(resp.getOutputStream())) {
            SitemapWriter writer = new SitemapWriter(go);

            writer.writeHeader();
            writeHome(writer);
            writePages(writer);
            writer.writeFooter();
            writer.flush();

            go.finish();
        }
    } catch (IOException ex) {
        throw new ViewException(ex);
    }
}

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From source file:jetbrains.exodus.util.CompressBackupUtil.java

@NotNull
public static File backup(@NotNull final Backupable target, @NotNull final File backupRoot,
        @Nullable final String backupNamePrefix, final boolean zip) throws Exception {
    if (!backupRoot.exists() && !backupRoot.mkdirs()) {
        throw new IOException("Failed to create " + backupRoot.getAbsolutePath());
    }//from   www . j ava  2  s  .c om
    final File backupFile;
    final BackupStrategy strategy = target.getBackupStrategy();
    strategy.beforeBackup();
    try {
        final ArchiveOutputStream archive;
        if (zip) {
            final String fileName = getTimeStampedZipFileName();
            backupFile = new File(backupRoot,
                    backupNamePrefix == null ? fileName : backupNamePrefix + fileName);
            final ZipArchiveOutputStream zipArchive = new ZipArchiveOutputStream(
                    new BufferedOutputStream(new FileOutputStream(backupFile)));
            zipArchive.setLevel(Deflater.BEST_COMPRESSION);
            archive = zipArchive;
        } else {
            final String fileName = getTimeStampedTarGzFileName();
            backupFile = new File(backupRoot,
                    backupNamePrefix == null ? fileName : backupNamePrefix + fileName);
            archive = new TarArchiveOutputStream(
                    new GZIPOutputStream(new BufferedOutputStream(new FileOutputStream(backupFile))));
        }
        try (ArchiveOutputStream aos = archive) {
            for (final BackupStrategy.FileDescriptor fd : strategy.listFiles()) {
                if (strategy.isInterrupted()) {
                    break;
                }
                final File file = fd.getFile();
                if (file.isFile()) {
                    final long fileSize = Math.min(fd.getFileSize(), strategy.acceptFile(file));
                    if (fileSize > 0L) {
                        archiveFile(aos, fd.getPath(), file, fileSize);
                    }
                }
            }
        }
        if (strategy.isInterrupted()) {
            logger.info("Backup interrupted, deleting \"" + backupFile.getName() + "\"...");
            IOUtil.deleteFile(backupFile);
        } else {
            logger.info("Backup file \"" + backupFile.getName() + "\" created.");
        }
    } catch (Throwable t) {
        strategy.onError(t);
        throw ExodusException.toExodusException(t, "Backup failed");
    } finally {
        strategy.afterBackup();
    }
    return backupFile;
}

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