Example usage for java.util.zip GZIPOutputStream close

Introduction

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

Prototype

public void close() throws IOException 

Source Link

Document

Writes remaining compressed data to the output stream and closes the underlying stream.

Usage

From source file:org.apache.ignite.console.agent.handlers.AbstractListener.java

/** {@inheritDoc} */
@SuppressWarnings("unchecked")
@Override// w w  w  .  j a va  2s . c  o m
public final void call(Object... args) {
    final Ack cb = safeCallback(args);

    args = removeCallback(args);

    try {
        final Map<String, Object> params;

        if (args == null || args.length == 0)
            params = Collections.emptyMap();
        else if (args.length == 1)
            params = fromJSON(args[0], Map.class);
        else
            throw new IllegalArgumentException("Wrong arguments count, must be <= 1: " + Arrays.toString(args));

        if (pool == null)
            pool = newThreadPool();

        pool.submit(new Runnable() {
            @Override
            public void run() {
                try {
                    Object res = execute(params);

                    // TODO IGNITE-6127 Temporary solution until GZip support for socket.io-client-java.
                    // See: https://github.com/socketio/socket.io-client-java/issues/312
                    // We can GZip manually for now.
                    if (res instanceof RestResult) {
                        RestResult restRes = (RestResult) res;

                        ByteArrayOutputStream baos = new ByteArrayOutputStream(4096);
                        Base64OutputStream b64os = new Base64OutputStream(baos);
                        GZIPOutputStream gzip = new GZIPOutputStream(b64os);

                        gzip.write(restRes.getData().getBytes());

                        gzip.close();

                        restRes.zipData(baos.toString());
                    }

                    cb.call(null, toJSON(res));
                } catch (Exception e) {
                    cb.call(e, null);
                }
            }
        });
    } catch (Exception e) {
        cb.call(e, null);
    }
}

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From source file:com.linkedin.r2.filter.compression.stream.TestStreamingCompression.java

@Test
public void testGzipCompressor()
        throws IOException, InterruptedException, CompressionException, ExecutionException {
    StreamingCompressor compressor = new GzipCompressor(_executor);
    final byte[] origin = new byte[BUF_SIZE];
    Arrays.fill(origin, (byte) 'b');

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    GZIPOutputStream gzip = new GZIPOutputStream(out);
    IOUtils.write(origin, gzip);//from w  ww.jav  a 2s .c  om
    gzip.close();
    byte[] compressed = out.toByteArray();

    testCompress(compressor, origin, compressed);
    testDecompress(compressor, origin, compressed);
    testCompressThenDecompress(compressor, origin);
}

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From source file:org.commoncrawl.util.ArcFileWriter.java

/**
 * Gzip passed bytes. Use only when bytes is small.
 * /*from  w w  w  . j av  a 2 s.c om*/
 * @param bytes
 *          What to gzip.
 * @return A gzip member of bytes.
 * @throws IOException
 */
private static byte[] gzip(byte[] bytes) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    GZIPOutputStream gzipOS = new GZIPOutputStream(baos);
    gzipOS.write(bytes, 0, bytes.length);
    gzipOS.close();
    return baos.toByteArray();
}

---

From source file:com.epam.wilma.compression.gzip.GzipCompressionService.java

/**
 * Compresses an {@link InputStream} object into gzip.
 * @param inputStream the inputstream that will be compressed
 * @return a {@link ByteArrayOutputStream} containing gzipped byte array
 *//* w  w  w.ja v a 2 s. c o m*/
@Override
public ByteArrayOutputStream compress(final InputStream inputStream) {
    InputStream source = inputStream;
    ByteArrayOutputStream baos = outputStreamFactory.createByteArrayOutputStream();
    try {
        GZIPOutputStream gout = gzipOutpuStreamFactory.createOutputStream(baos);
        //... Code to read from your original uncompressed data and write to gout.
        IOUtils.copy(source, gout);
        gout.finish();
        gout.close();
    } catch (IOException e) {
        throw new SystemException("Could not gzip message body!", e);
    }
    return baos;
}

---

From source file:org.apache.xmlrpc.CommonsXmlRpcTransport.java

public InputStream sendXmlRpc(byte[] request) throws IOException, XmlRpcClientException {
    method = new PostMethod(url.toString());
    method.setHttp11(http11);/* w  w  w.ja  v a  2  s  .  c o  m*/
    method.setRequestHeader(new Header("Content-Type", "text/xml"));

    if (rgzip)
        method.setRequestHeader(new Header("Content-Encoding", "gzip"));

    if (gzip)
        method.setRequestHeader(new Header("Accept-Encoding", "gzip"));

    method.setRequestHeader(userAgentHeader);

    if (rgzip) {
        ByteArrayOutputStream lBo = new ByteArrayOutputStream();
        GZIPOutputStream lGzo = new GZIPOutputStream(lBo);
        lGzo.write(request);
        lGzo.finish();
        lGzo.close();
        byte[] lArray = lBo.toByteArray();
        method.setRequestBody(new ByteArrayInputStream(lArray));
        method.setRequestContentLength(-1);
    } else
        method.setRequestBody(new ByteArrayInputStream(request));

    URI hostURI = new URI(url.toString());
    HostConfiguration hostConfig = new HostConfiguration();
    hostConfig.setHost(hostURI);
    client.executeMethod(hostConfig, method);

    boolean lgzipo = false;

    Header lHeader = method.getResponseHeader("Content-Encoding");
    if (lHeader != null) {
        String lValue = lHeader.getValue();
        if (lValue != null)
            lgzipo = (lValue.indexOf("gzip") >= 0);
    }

    if (lgzipo)
        return (new GZIPInputStream(method.getResponseBodyAsStream()));
    else
        return method.getResponseBodyAsStream();
}

---

From source file:au.org.ala.layers.web.ObjectsService.java

/**
 * This method returns all objects associated with a field
 *
 * @param id//from  ww w .j a v a  2 s .c om
 * @return
 */
@RequestMapping(value = "/objects/csv/{id}", method = RequestMethod.GET)
public void fieldObjectAsCSV(@PathVariable("id") String id, HttpServletResponse resp) throws IOException {
    try {
        resp.setContentType("text/csv");
        resp.setHeader("Content-Disposition", "attachment; filename=\"objects-" + id + ".csv.gz\"");
        GZIPOutputStream gzipped = new GZIPOutputStream(resp.getOutputStream());
        objectDao.writeObjectsToCSV(gzipped, id);
        gzipped.flush();
        gzipped.close();
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
        resp.sendError(500, "Problem performing download");
    }
}

---

From source file:com.ocp.picasa.GDataClient.java

private ByteArrayEntity getCompressedEntity(byte[] data) throws IOException {
    ByteArrayEntity entity;//www  .jav a  2  s  . c o m
    if (data.length >= MIN_GZIP_SIZE) {
        ByteArrayOutputStream byteOutput = new ByteArrayOutputStream(data.length / 2);
        GZIPOutputStream gzipOutput = new GZIPOutputStream(byteOutput);
        gzipOutput.write(data);
        gzipOutput.close();
        entity = new ByteArrayEntity(byteOutput.toByteArray());
    } else {
        entity = new ByteArrayEntity(data);
    }
    return entity;
}

---

From source file:org.csploit.android.core.System.java

public static String saveSession(String sessionName) throws IOException {
    StringBuilder builder = new StringBuilder();
    String filename = mStoragePath + '/' + sessionName + ".dss", session;

    builder.append(SESSION_MAGIC + "\n");

    // skip the network target
    synchronized (mTargets) {
        builder.append(mTargets.size() - 1).append("\n");
        for (Target target : mTargets) {
            if (target.getType() != Target.Type.NETWORK)
                target.serialize(builder);
        }//from  w  ww  .  j  av  a  2s. c om
    }

    session = builder.toString();

    FileOutputStream ostream = new FileOutputStream(filename);
    GZIPOutputStream gzip = new GZIPOutputStream(ostream);

    gzip.write(session.getBytes());

    gzip.close();

    mSessionName = sessionName;

    return filename;
}

---

From source file:z.hol.net.http.entity.compress.GzipCompressingEntity.java

@Override
public void writeTo(final OutputStream outstream) throws IOException {
    if (outstream == null) {
        throw new IllegalArgumentException("Output stream may not be null");
    }// ww w .  j  a  v  a2 s .  co m
    GZIPOutputStream gzip = new GZIPOutputStream(outstream);
    InputStream in = wrappedEntity.getContent();
    byte[] tmp = new byte[2048];
    int l;
    while ((l = in.read(tmp)) != -1) {
        gzip.write(tmp, 0, l);
    }
    gzip.close();
}

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From source file:com.zimbra.common.util.ByteUtil.java

/**
 * compress the supplied data using GZIPOutputStream
 * and return the compressed data.//from   w  ww . ja  v  a  2 s .c o m
 * @param data data to compress
 * @return compressesd data
 */
public static byte[] compress(byte[] data) throws IOException {
    ByteArrayOutputStream baos = null;
    GZIPOutputStream gos = null;
    try {
        baos = new ByteArrayOutputStream(data.length); //data.length overkill
        gos = new GZIPOutputStream(baos);
        gos.write(data);
        gos.finish();
        return baos.toByteArray();
    } finally {
        if (gos != null) {
            gos.close();
        } else if (baos != null)
            baos.close();
    }
}

---

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