Example usage for java.util.zip GZIPOutputStream GZIPOutputStream

List of usage examples for java.util.zip GZIPOutputStream GZIPOutputStream

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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:gov.nih.nci.caarray.dataStorage.fileSystem.FilesystemDataStorage.java

private void compressAndWriteFile(InputStream in, File file) throws IOException {
    writeFileData(in, new GZIPOutputStream(new FileOutputStream(file)));
}

From source file:com.ichi2.libanki.sync.HttpSyncer.java

public HttpResponse req(String method, InputStream fobj, int comp, JSONObject registerData,
        Connection.CancelCallback cancelCallback) throws UnknownHttpResponseException {
    File tmpFileBuffer = null;/* www.  j  a v a  2 s  .  c o  m*/
    try {
        String bdry = "--" + BOUNDARY;
        StringWriter buf = new StringWriter();
        // post vars
        mPostVars.put("c", comp != 0 ? 1 : 0);
        for (String key : mPostVars.keySet()) {
            buf.write(bdry + "\r\n");
            buf.write(String.format(Locale.US, "Content-Disposition: form-data; name=\"%s\"\r\n\r\n%s\r\n", key,
                    mPostVars.get(key)));
        }
        tmpFileBuffer = File.createTempFile("syncer", ".tmp",
                new File(AnkiDroidApp.getCacheStorageDirectory()));
        FileOutputStream fos = new FileOutputStream(tmpFileBuffer);
        BufferedOutputStream bos = new BufferedOutputStream(fos);
        GZIPOutputStream tgt;
        // payload as raw data or json
        if (fobj != null) {
            // header
            buf.write(bdry + "\r\n");
            buf.write(
                    "Content-Disposition: form-data; name=\"data\"; filename=\"data\"\r\nContent-Type: application/octet-stream\r\n\r\n");
            buf.close();
            bos.write(buf.toString().getBytes("UTF-8"));
            // write file into buffer, optionally compressing
            int len;
            BufferedInputStream bfobj = new BufferedInputStream(fobj);
            byte[] chunk = new byte[65536];
            if (comp != 0) {
                tgt = new GZIPOutputStream(bos);
                while ((len = bfobj.read(chunk)) >= 0) {
                    tgt.write(chunk, 0, len);
                }
                tgt.close();
                bos = new BufferedOutputStream(new FileOutputStream(tmpFileBuffer, true));
            } else {
                while ((len = bfobj.read(chunk)) >= 0) {
                    bos.write(chunk, 0, len);
                }
            }
            bos.write(("\r\n" + bdry + "--\r\n").getBytes("UTF-8"));
        } else {
            buf.close();
            bos.write(buf.toString().getBytes("UTF-8"));
        }
        bos.flush();
        bos.close();
        // connection headers
        String url = Consts.SYNC_BASE;
        if (method.equals("register")) {
            url = url + "account/signup" + "?username=" + registerData.getString("u") + "&password="
                    + registerData.getString("p");
        } else if (method.startsWith("upgrade")) {
            url = url + method;
        } else {
            url = syncURL() + method;
        }
        HttpPost httpPost = new HttpPost(url);
        HttpEntity entity = new ProgressByteEntity(tmpFileBuffer);

        // body
        httpPost.setEntity(entity);
        httpPost.setHeader("Content-type", "multipart/form-data; boundary=" + BOUNDARY);

        // HttpParams
        HttpParams params = new BasicHttpParams();
        params.setParameter(ConnManagerPNames.MAX_TOTAL_CONNECTIONS, 30);
        params.setParameter(ConnManagerPNames.MAX_CONNECTIONS_PER_ROUTE, new ConnPerRouteBean(30));
        params.setParameter(CoreProtocolPNames.USE_EXPECT_CONTINUE, false);
        params.setParameter(CoreProtocolPNames.USER_AGENT, "AnkiDroid-" + VersionUtils.getPkgVersionName());
        HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
        HttpConnectionParams.setSoTimeout(params, Connection.CONN_TIMEOUT);

        // Registry
        SchemeRegistry registry = new SchemeRegistry();
        registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
        registry.register(new Scheme("https", new EasySSLSocketFactory(), 443));
        ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(params, registry);
        if (cancelCallback != null) {
            cancelCallback.setConnectionManager(cm);
        }

        try {
            HttpClient httpClient = new DefaultHttpClient(cm, params);
            HttpResponse httpResponse = httpClient.execute(httpPost);
            // we assume badAuthRaises flag from Anki Desktop always False
            // so just throw new RuntimeException if response code not 200 or 403
            assertOk(httpResponse);
            return httpResponse;
        } catch (SSLException e) {
            Timber.e(e, "SSLException while building HttpClient");
            throw new RuntimeException("SSLException while building HttpClient");
        }
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    } catch (IOException e) {
        Timber.e(e, "BasicHttpSyncer.sync: IOException");
        throw new RuntimeException(e);
    } catch (JSONException e) {
        throw new RuntimeException(e);
    } finally {
        if (tmpFileBuffer != null && tmpFileBuffer.exists()) {
            tmpFileBuffer.delete();
        }
    }
}

From source file:website.openeng.libanki.sync.HttpSyncer.java

public HttpResponse req(String method, InputStream fobj, int comp, JSONObject registerData,
        Connection.CancelCallback cancelCallback) throws UnknownHttpResponseException {
    File tmpFileBuffer = null;/*from   w w w.  jav a2 s  .  c o  m*/
    try {
        String bdry = "--" + BOUNDARY;
        StringWriter buf = new StringWriter();
        // post vars
        mPostVars.put("c", comp != 0 ? 1 : 0);
        for (String key : mPostVars.keySet()) {
            buf.write(bdry + "\r\n");
            buf.write(String.format(Locale.US, "Content-Disposition: form-data; name=\"%s\"\r\n\r\n%s\r\n", key,
                    mPostVars.get(key)));
        }
        tmpFileBuffer = File.createTempFile("syncer", ".tmp",
                new File(KanjiDroidApp.getCacheStorageDirectory()));
        FileOutputStream fos = new FileOutputStream(tmpFileBuffer);
        BufferedOutputStream bos = new BufferedOutputStream(fos);
        GZIPOutputStream tgt;
        // payload as raw data or json
        if (fobj != null) {
            // header
            buf.write(bdry + "\r\n");
            buf.write(
                    "Content-Disposition: form-data; name=\"data\"; filename=\"data\"\r\nContent-Type: application/octet-stream\r\n\r\n");
            buf.close();
            bos.write(buf.toString().getBytes("UTF-8"));
            // write file into buffer, optionally compressing
            int len;
            BufferedInputStream bfobj = new BufferedInputStream(fobj);
            byte[] chunk = new byte[65536];
            if (comp != 0) {
                tgt = new GZIPOutputStream(bos);
                while ((len = bfobj.read(chunk)) >= 0) {
                    tgt.write(chunk, 0, len);
                }
                tgt.close();
                bos = new BufferedOutputStream(new FileOutputStream(tmpFileBuffer, true));
            } else {
                while ((len = bfobj.read(chunk)) >= 0) {
                    bos.write(chunk, 0, len);
                }
            }
            bos.write(("\r\n" + bdry + "--\r\n").getBytes("UTF-8"));
        } else {
            buf.close();
            bos.write(buf.toString().getBytes("UTF-8"));
        }
        bos.flush();
        bos.close();
        // connection headers
        String url = Consts.SYNC_BASE;
        if (method.equals("register")) {
            url = url + "account/signup" + "?username=" + registerData.getString("u") + "&password="
                    + registerData.getString("p");
        } else if (method.startsWith("upgrade")) {
            url = url + method;
        } else {
            url = syncURL() + method;
        }
        HttpPost httpPost = new HttpPost(url);
        HttpEntity entity = new ProgressByteEntity(tmpFileBuffer);

        // body
        httpPost.setEntity(entity);
        httpPost.setHeader("Content-type", "multipart/form-data; boundary=" + BOUNDARY);

        // HttpParams
        HttpParams params = new BasicHttpParams();
        params.setParameter(ConnManagerPNames.MAX_TOTAL_CONNECTIONS, 30);
        params.setParameter(ConnManagerPNames.MAX_CONNECTIONS_PER_ROUTE, new ConnPerRouteBean(30));
        params.setParameter(CoreProtocolPNames.USE_EXPECT_CONTINUE, false);
        params.setParameter(CoreProtocolPNames.USER_AGENT, "KanjiDroid-" + VersionUtils.getPkgVersionName());
        HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
        HttpConnectionParams.setSoTimeout(params, Connection.CONN_TIMEOUT);

        // Registry
        SchemeRegistry registry = new SchemeRegistry();
        registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
        registry.register(new Scheme("https", new EasySSLSocketFactory(), 443));
        ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(params, registry);
        if (cancelCallback != null) {
            cancelCallback.setConnectionManager(cm);
        }

        try {
            HttpClient httpClient = new DefaultHttpClient(cm, params);
            HttpResponse httpResponse = httpClient.execute(httpPost);
            // we assume badAuthRaises flag from Anki Desktop always False
            // so just throw new RuntimeException if response code not 200 or 403
            assertOk(httpResponse);
            return httpResponse;
        } catch (SSLException e) {
            Timber.e(e, "SSLException while building HttpClient");
            throw new RuntimeException("SSLException while building HttpClient");
        }
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e);
    } catch (IOException e) {
        Timber.e(e, "BasicHttpSyncer.sync: IOException");
        throw new RuntimeException(e);
    } catch (JSONException e) {
        throw new RuntimeException(e);
    } finally {
        if (tmpFileBuffer != null && tmpFileBuffer.exists()) {
            tmpFileBuffer.delete();
        }
    }
}

From source file:co.cask.hydrator.transforms.Compressor.java

public static byte[] compressGZIP(byte[] input) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    GZIPOutputStream gzip = new GZIPOutputStream(out);
    gzip.write(input, 0, input.length);//ww w.  j ava 2  s  . co  m
    gzip.close();
    return out.toByteArray();
}

From source file:com.wxxr.nirvana.json.JSONUtil.java

public static void writeJSONToResponse(SerializationParams serializationParams) throws IOException {
    StringBuilder stringBuilder = new StringBuilder();
    if (StringUtils.isNotBlank(serializationParams.getSerializedJSON()))
        stringBuilder.append(serializationParams.getSerializedJSON());

    if (StringUtils.isNotBlank(serializationParams.getWrapPrefix()))
        stringBuilder.insert(0, serializationParams.getWrapPrefix());
    else if (serializationParams.isWrapWithComments()) {
        stringBuilder.insert(0, "/* ");
        stringBuilder.append(" */");
    } else if (serializationParams.isPrefix())
        stringBuilder.insert(0, "{}&& ");

    if (StringUtils.isNotBlank(serializationParams.getWrapSuffix()))
        stringBuilder.append(serializationParams.getWrapSuffix());

    String json = stringBuilder.toString();

    if (LOG.isDebugEnabled()) {
        LOG.debug("[JSON]" + json);
    }/*from  ww  w. ja  va 2  s  .c om*/

    HttpServletResponse response = serializationParams.getResponse();

    // status or error code
    if (serializationParams.getStatusCode() > 0)
        response.setStatus(serializationParams.getStatusCode());
    else if (serializationParams.getErrorCode() > 0)
        response.sendError(serializationParams.getErrorCode());

    // content type
    response.setContentType(
            serializationParams.getContentType() + ";charset=" + serializationParams.getEncoding());

    if (serializationParams.isNoCache()) {
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Expires", "0");
        response.setHeader("Pragma", "No-cache");
    }

    if (serializationParams.isGzip()) {
        response.addHeader("Content-Encoding", "gzip");
        GZIPOutputStream out = null;
        InputStream in = null;
        try {
            out = new GZIPOutputStream(response.getOutputStream());
            in = new ByteArrayInputStream(json.getBytes(serializationParams.getEncoding()));
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        } finally {
            if (in != null)
                in.close();
            if (out != null) {
                out.finish();
                out.close();
            }
        }

    } else {
        response.setContentLength(json.getBytes(serializationParams.getEncoding()).length);
        PrintWriter out = response.getWriter();
        out.print(json);
    }
}

From source file:org.wso2.esb.integration.common.utils.clients.SimpleHttpClient.java

/**
 * Send a HTTP OPTIONS request to the specified URL
 *
 * @param url         Target endpoint URL
 * @param headers     Any HTTP headers that should be added to the request
 * @param payload     Content payload that should be sent
 * @param contentType Content-type of the request
 * @return Returned HTTP response// w ww  .  ja v a2 s  . c  o m
 * @throws IOException If an error occurs while making the invocation
 */
public HttpResponse doOptions(String url, final Map<String, String> headers, final String payload,
        String contentType) throws IOException {
    HttpUriRequest request = new HttpOptions(url);
    setHeaders(headers, request);
    if (payload != null) {
        HttpEntityEnclosingRequest entityEncReq = (HttpEntityEnclosingRequest) request;
        final boolean zip = headers != null && "gzip".equals(headers.get(HttpHeaders.CONTENT_ENCODING));

        EntityTemplate ent = new EntityTemplate(new ContentProducer() {
            public void writeTo(OutputStream outputStream) throws IOException {
                OutputStream out = outputStream;
                if (zip) {
                    out = new GZIPOutputStream(outputStream);
                }
                out.write(payload.getBytes());
                out.flush();
                out.close();
            }
        });
        ent.setContentType(contentType);
        if (zip) {
            ent.setContentEncoding("gzip");
        }
        entityEncReq.setEntity(ent);
    }
    return client.execute(request);
}

From source file:com.github.jasonruckman.gzip.AbstractBenchmark.java

protected byte[] doWriteJackson() {
    try {/*  ww  w  .j a  v a2s .  com*/
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        GZIPOutputStream gzos = new GZIPOutputStream(baos);
        mapper().writeValue(gzos, sampleData);
        gzos.close();
        return baos.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:net.chaosserver.timelord.data.XmlDataReaderWriter.java

/**
 * Writes out the timelordData object to the default filename in the
 * user's home directory. Also generates a backup version of the file.
 *
 * @param timelordData the data to write to file
 * @param outputFile the file to output to
 * @throws TimelordDataException indicates an error writing the
 *         data out to file.//w  w  w  .j  a  v a 2s .  c o m
 */
public void writeTimelordData(TimelordData timelordData, File outputFile) throws TimelordDataException {
    Calendar yesterday = Calendar.getInstance();
    yesterday.add(Calendar.DAY_OF_YEAR, -1);

    File homeDirectory = new File(System.getProperty("user.home"));

    try {
        FileOutputStream fileOutputStream = new FileOutputStream(outputFile);
        BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(fileOutputStream);

        XMLEncoder xmlEncoder = new XMLEncoder(bufferedOutputStream);
        xmlEncoder.writeObject(timelordData);
        xmlEncoder.close();

        File backupFile = new File(homeDirectory, (DEFAULT_FILENAME + "."
                + startWeekFormat.format(yesterday.getTime()) + DEFAULT_EXTENSION + ".gzip"));
        fileOutputStream = new FileOutputStream(backupFile);
        bufferedOutputStream = new BufferedOutputStream(fileOutputStream);
        GZIPOutputStream zipOutputStream = new GZIPOutputStream(bufferedOutputStream);

        xmlEncoder = new XMLEncoder(zipOutputStream);
        xmlEncoder.writeObject(timelordData);
        xmlEncoder.close();
    } catch (FileNotFoundException e) {
        throw new TimelordDataException("Failed to output", e);
    } catch (IOException e) {
        throw new TimelordDataException("Failed to output", e);
    }
}

From source file:ebay.dts.client.FileTransferActions.java

private static String compressFileToGzip(String inFilename) throws EbayConnectorException {

    // compress the xml file into gz file in the save folder
    String outFilename = null;/*w  w w. j a  va 2 s  . c om*/
    String usingPath = inFilename.substring(0, inFilename.lastIndexOf(File.separator) + 1);
    String fileName = inFilename.substring(inFilename.lastIndexOf(File.separator) + 1);
    outFilename = usingPath + fileName + ".gz";

    try {

        BufferedReader in = new BufferedReader(new FileReader(inFilename));
        BufferedOutputStream out = new BufferedOutputStream(
                new GZIPOutputStream(new FileOutputStream(outFilename)));
        logger.trace("Writing gz file to: " + Utility.getFileLabel(outFilename));

        int c;
        while ((c = in.read()) != -1) {
            out.write(c);
        }
        in.close();
        out.close();

    } catch (FileNotFoundException e) {
        logger.error("Cannot gzip file: " + inFilename);
        throw new EbayConnectorException("Cannot gzip file: " + inFilename, e);
    } catch (IOException e) {
        logger.error("Cannot gzip file: " + inFilename);
        throw new EbayConnectorException("Cannot gzip file: " + inFilename, e);
    }

    logger.info("The compressed file has been saved to " + outFilename);
    return outFilename;
}

From source file:com.asakusafw.runtime.io.text.directio.AbstractTextStreamFormatTest.java

/**
 * input - w/ compression./*from w  w w . ja  v  a2  s  .c  o m*/
 * @throws Exception if failed
 */
@Test
public void input_compression() throws Exception {
    MockFormat format = format(1).withCodecClass(GzipCodec.class);
    String[][] data = { { "Hello, world!" } };
    ByteArrayOutputStream buf = new ByteArrayOutputStream();
    try (InputStream in = input(data); OutputStream out = new GZIPOutputStream(buf)) {
        IOUtils.copy(in, out);
    }
    try (ModelInput<String[]> in = format.createInput(String[].class, "dummy",
            new ByteArrayInputStream(buf.toByteArray()))) {
        String[][] result = collect(1, in);
        assertThat(result, is(data));
    }
}