Example usage for java.io DataOutputStream DataOutputStream

Introduction

In this page you can find the example usage for java.io DataOutputStream DataOutputStream.

Prototype

public DataOutputStream(OutputStream out) 

Source Link

Document

Creates a new data output stream to write data to the specified underlying output stream.

Usage

From source file:info.fetter.logstashforwarder.protocol.LumberjackClient.java

public LumberjackClient(String keyStorePath, String server, int port, int timeout) throws IOException {
    this.server = server;
    this.port = port;

    try {/*w ww  . j  a v a 2 s . c om*/
        if (keyStorePath == null) {
            throw new IOException("Key store not configured");
        }
        if (server == null) {
            throw new IOException("Server address not configured");
        }

        keyStore = KeyStore.getInstance("JKS");
        keyStore.load(new FileInputStream(keyStorePath), null);

        TrustManagerFactory tmf = TrustManagerFactory.getInstance("PKIX");
        tmf.init(keyStore);

        SSLContext context = SSLContext.getInstance("TLS");
        context.init(null, tmf.getTrustManagers(), null);

        SSLSocketFactory socketFactory = context.getSocketFactory();
        socket = new Socket();
        socket.connect(new InetSocketAddress(InetAddress.getByName(server), port), timeout);
        socket.setSoTimeout(timeout);
        sslSocket = (SSLSocket) socketFactory.createSocket(socket, server, port, true);
        sslSocket.setUseClientMode(true);
        sslSocket.startHandshake();

        output = new DataOutputStream(new BufferedOutputStream(sslSocket.getOutputStream()));
        input = new DataInputStream(sslSocket.getInputStream());

        logger.info("Connected to " + server + ":" + port);
    } catch (IOException e) {
        throw e;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

---

From source file:com.reactivetechnologies.jaxrs.RestServerTest.java

static String sendPost(String url, String content) throws IOException {

    StringBuilder response = new StringBuilder();
    HttpURLConnection con = null;
    BufferedReader in = null;//from   w w w  .  j a  v  a2s .  c  om
    try {
        URL obj = new URL(url);
        con = (HttpURLConnection) obj.openConnection();

        // optional default is GET
        con.setRequestMethod("POST");

        //add request header
        con.setRequestProperty("User-Agent", "Mozilla/5.0");
        con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");

        // Send post request
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeUTF(content);
        wr.flush();
        wr.close();

        int responseCode = con.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {
            in = new BufferedReader(new InputStreamReader(con.getInputStream()));
            String inputLine;
            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
        } else {
            throw new IOException("Response Code: " + responseCode);
        }

        return response.toString();
    } catch (IOException e) {
        throw e;
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {

            }
        }
        if (con != null) {
            con.disconnect();
        }
    }

}

---

From source file:eu.crushedpixel.littlstar.api.upload.S3Uploader.java

/**
 * Executes a multipart form upload to the S3 Bucket as described in
 * <a href="http://docs.aws.amazon.com/AmazonS3/latest/dev/HTTPPOSTExamples.html">the AWS Documentation</a>.
 * @param s3UploadProgressListener An S3UploadProgressListener which is called whenever
 *                               bytes are written to the outgoing connection. May be null.
 * @throws IOException in case of a problem or the connection was aborted
 * @throws ClientProtocolException in case of an http protocol error
 *//*ww w .  j av a  2s  . co m*/
public void uploadFileToS3(S3UploadProgressListener s3UploadProgressListener)
        throws IOException, ClientProtocolException {
    //unfortunately, we can't use Unirest to execute the call, because there is no support
    //for Progress listeners (yet). See https://github.com/Mashape/unirest-java/issues/26

    int bufferSize = 1024;

    //opening a connection to the S3 Bucket
    HttpURLConnection urlConnection = (HttpURLConnection) new URL(s3_bucket).openConnection();
    urlConnection.setUseCaches(false);
    urlConnection.setDoOutput(true);
    urlConnection.setRequestMethod("POST");
    urlConnection.setChunkedStreamingMode(bufferSize);
    urlConnection.setRequestProperty("Connection", "Keep-Alive");
    urlConnection.setRequestProperty("Cache-Control", "no-cache");
    String boundary = "*****";
    urlConnection.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);

    //writing the request headers
    DataOutputStream dos = new DataOutputStream(urlConnection.getOutputStream());

    String newline = "\r\n";
    String twoHyphens = "--";
    dos.writeBytes(twoHyphens + boundary + newline);

    String attachmentName = "file";
    String attachmentFileName = "file";

    dos.writeBytes("Content-Disposition: form-data; name=\"" + attachmentName + "\";filename=\""
            + attachmentFileName + "\"" + newline);
    dos.writeBytes(newline);

    //sending the actual file
    byte[] buf = new byte[bufferSize];

    FileInputStream fis = new FileInputStream(file);
    long totalBytes = fis.getChannel().size();
    long writtenBytes = 0;

    int len;
    while ((len = fis.read(buf)) != -1) {
        dos.write(buf);
        writtenBytes += len;

        s3UploadProgressListener.onProgressUpdated(new S3UpdateProgressEvent(writtenBytes, totalBytes,
                (float) ((double) writtenBytes / totalBytes)));

        if (interrupt) {
            fis.close();
            dos.close();
            return;
        }
    }

    fis.close();

    //finish the call
    dos.writeBytes(newline);
    dos.writeBytes(twoHyphens + boundary + twoHyphens + newline);

    dos.close();

    urlConnection.disconnect();
}

---

From source file:com.linkedin.cubert.io.text.TextTeeWriter.java

@Override
public void open(Configuration conf, JsonNode json, BlockSchema schema, Path root, String filename)
        throws IOException {

    String separator = "\t";
    if (json.has("params") && !json.get("params").isNull() && json.get("params").has("separator")) {
        separator = JsonUtils.getText(json.get("params"), "separator");
    }// w w  w . j  a v a  2  s  . co  m

    separator = StringEscapeUtils.unescapeJava(separator);
    byte[] bytes = separator.getBytes("UTF-8");

    if (bytes.length > 1) {
        throw new RuntimeException(String.format("Invalid separator in text output format %s", separator));
    }

    final TaskAttemptContext context = PhaseContext.isMapper() ? PhaseContext.getMapContext()
            : PhaseContext.getRedContext();

    String extension = "";
    CompressionCodec codec = null;
    final boolean isCompressed = FileOutputFormat.getCompressOutput(context);
    if (isCompressed) {
        Class<? extends CompressionCodec> codecClass = FileOutputFormat.getOutputCompressorClass(context,
                GzipCodec.class);

        codec = ReflectionUtils.newInstance(codecClass, conf);
        extension = codec.getDefaultExtension();
    }

    out = FileSystem.get(conf).create(new Path(root, filename + extension));
    if (isCompressed) {
        out = new DataOutputStream(codec.createOutputStream(out));
    }

    delegate = new Delegate(out, bytes[0]);
}

---

From source file:au.org.ala.spatial.util.RecordsSmall.java

private void makeSmallFile(String filename) throws Exception {
    FileWriter outputSpecies = new FileWriter(filename + "records.csv.small.species");
    DataOutputStream outputPoints = new DataOutputStream(
            new BufferedOutputStream(new FileOutputStream(filename + "records.csv.small.points")));
    DataOutputStream outputPointsToSpecies = new DataOutputStream(
            new BufferedOutputStream(new FileOutputStream(filename + "records.csv.small.pointsToSpecies")));

    Map<String, Integer> lsidMap = new HashMap<String, Integer>(200000);
    byte start = 0;
    BufferedReader br = new BufferedReader(new FileReader(filename + "records.csv"));
    int[] header = new int[3];
    int row = start;
    int currentCount = 0;
    String[] line = new String[3];

    String rawline;//from   w w  w .  ja  va2 s.c  o m
    while ((rawline = br.readLine()) != null) {
        currentCount++;
        int p1 = rawline.indexOf(44);
        int p2 = rawline.indexOf(44, p1 + 1);
        if (p1 >= 0 && p2 >= 0) {
            line[0] = rawline.substring(0, p1);
            line[1] = rawline.substring(p1 + 1, p2);
            line[2] = rawline.substring(p2 + 1, rawline.length());
            if (currentCount % 100000 == 0) {
                System.out.print("\rreading row: " + currentCount);
            }

            if (row == 0) {
                for (int e = 0; e < line.length; e++) {
                    if (line[e].equals("names_and_lsid")) {
                        header[0] = e;
                    }

                    if (line[e].equals("longitude")) {
                        header[1] = e;
                    }

                    if (line[e].equals("latitude")) {
                        header[2] = e;
                    }
                }

                logger.debug("header: " + header[0] + "," + header[1] + "," + header[2]);
            } else if (line.length >= 3) {
                try {
                    double lat = Double.parseDouble(line[header[2]]);
                    double lng = Double.parseDouble(line[header[1]]);

                    String species = line[header[0]];

                    Integer idx = lsidMap.get(species);
                    if (idx == null) {
                        idx = lsidMap.size();
                        lsidMap.put(species, idx);

                        outputSpecies.write(species);
                        outputSpecies.write("\n");
                    }

                    outputPoints.writeDouble(lat);
                    outputPoints.writeDouble(lng);

                    outputPointsToSpecies.writeInt(idx);
                } catch (Exception e) {
                    logger.error("failed to read records.csv row: " + row, e);
                }
            }

            row++;
        }
    }

    br.close();

    outputPointsToSpecies.flush();
    outputPointsToSpecies.close();
    outputPoints.flush();
    outputPoints.close();
    outputSpecies.flush();
    outputSpecies.close();

    FileUtils.writeStringToFile(new File(filename + "records.csv.small.speciesCount"),
            String.valueOf(lsidMap.size()));
}

---

From source file:com.microsoft.office365.msgraphsnippetapp.SnippetsUnitTests.java

@BeforeClass
public static void getAccessTokenUsingPasswordGrant()
        throws IOException, KeyStoreException, NoSuchAlgorithmException, KeyManagementException, JSONException {
    URL url = new URL(TOKEN_ENDPOINT);
    HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();

    String urlParameters = String.format(
            "grant_type=%1$s&resource=%2$s&client_id=%3$s&username=%4$s&password=%5$s", GRANT_TYPE,
            URLEncoder.encode(ServiceConstants.AUTHENTICATION_RESOURCE_ID, "UTF-8"), clientId, username,
            password);/*from w ww. j  a  v  a2s. com*/

    connection.setRequestMethod(REQUEST_METHOD);
    connection.setRequestProperty("Content-Type", CONTENT_TYPE);
    connection.setRequestProperty("Content-Length", String.valueOf(urlParameters.getBytes("UTF-8").length));

    connection.setDoOutput(true);
    DataOutputStream dataOutputStream = new DataOutputStream(connection.getOutputStream());
    dataOutputStream.writeBytes(urlParameters);
    dataOutputStream.flush();
    dataOutputStream.close();

    connection.getResponseCode();

    BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    String inputLine;
    StringBuilder response = new StringBuilder();

    while ((inputLine = in.readLine()) != null) {
        response.append(inputLine);
    }
    in.close();

    JsonParser jsonParser = new JsonParser();
    JsonObject grantResponse = (JsonObject) jsonParser.parse(response.toString());
    accessToken = grantResponse.get("access_token").getAsString();

    HttpLoggingInterceptor logging = new HttpLoggingInterceptor();
    logging.setLevel(HttpLoggingInterceptor.Level.BODY);

    OkHttpClient client = new OkHttpClient.Builder().addInterceptor(new Interceptor() {
        @Override
        public okhttp3.Response intercept(Chain chain) throws IOException {
            Request request = chain.request();
            request = request.newBuilder().addHeader("Authorization", "Bearer " + accessToken)
                    // This header has been added to identify this sample in the Microsoft Graph service.
                    // If you're using this code for your project please remove the following line.
                    .addHeader("SampleID", "android-java-snippets-rest-sample").build();

            return chain.proceed(request);
        }
    }).addInterceptor(logging).build();

    Retrofit retrofit = new Retrofit.Builder().baseUrl(ServiceConstants.AUTHENTICATION_RESOURCE_ID)
            .client(client).addConverterFactory(GsonConverterFactory.create()).build();

    contactService = retrofit.create(MSGraphContactService.class);
    drivesService = retrofit.create(MSGraphDrivesService.class);
    eventsService = retrofit.create(MSGraphEventsService.class);
    groupsService = retrofit.create(MSGraphGroupsService.class);
    mailService = retrofit.create(MSGraphMailService.class);
    meService = retrofit.create(MSGraphMeService.class);
    userService = retrofit.create(MSGraphUserService.class);

    SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMdd'T'HHmmss", Locale.US);
    dateTime = simpleDateFormat.format(new Date());
}

---

From source file:com.cisco.gerrit.plugins.slack.client.WebhookClient.java

/**
 * Initiates an HTTP POST to the provided Webhook URL.
 *
 * @param message The message payload.//from   w ww .j ava2 s.c o  m
 * @param webhookUrl The URL to post to.
 * @return The response payload from Slack.
 */
private String postRequest(String message, String webhookUrl) {
    String response;

    HttpURLConnection connection;
    connection = null;
    try {
        connection = openConnection(webhookUrl);
        try {
            connection.setRequestMethod("POST");
            connection.setRequestProperty("Content-Type", "application/json");
            connection.setRequestProperty("charset", "utf-8");

            connection.setDoInput(true);
            connection.setDoOutput(true);

            DataOutputStream request;
            request = new DataOutputStream(connection.getOutputStream());

            request.write(message.getBytes(StandardCharsets.UTF_8));
            request.flush();
            request.close();
        } catch (IOException e) {
            throw new RuntimeException("Error posting message to Slack: [" + e.getMessage() + "].", e);
        }

        response = getResponse(connection);
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }

    return response;
}

---

From source file:com.eTilbudsavis.etasdk.network.impl.HttpURLNetwork.java

private static void addBodyIfExists(HttpURLConnection connection, Request<?> request) throws IOException {
    byte[] body = request.getBody();
    if (body != null) {
        connection.setDoOutput(true);//  w  w w.  j  a v a2  s  .c o  m
        connection.addRequestProperty(HeaderUtils.CONTENT_TYPE, request.getBodyContentType());
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        out.write(body);
        out.close();
    }
}

---

From source file:com.skubit.bitid.loaders.SignInAsyncTaskLoader.java

private void writeRequest(String message) throws IOException {
    DataOutputStream dos = new DataOutputStream(mConnection.getOutputStream());
    dos.write(message.getBytes());/*from   w  w w.j  a v a 2 s. co  m*/
    dos.close();
}

---

From source file:lk.appzone.client.MchoiceAventuraSmsSender.java

private void sendRequest(String urlParameters, HttpURLConnection connection) throws IOException {

    if (logger.isDebugEnabled()) {
        logger.debug("sending the request: " + urlParameters);
    }/*w w  w  .  j av  a2  s .  c o m*/
    //Send request
    DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
    wr.writeBytes(urlParameters);
    wr.flush();
    wr.close();
}

---

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