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:com.jkoolcloud.jesl.net.socket.SocketClient.java

/**
 * {@inheritDoc}//from  www.  j  a  v a2  s. co m
 */
@Override
public synchronized void connect() throws IOException {
    if (isConnected())
        return;
    if (secure) {
        SocketFactory socketFactory = SSLSocketFactory.getDefault();
        socket = socketFactory.createSocket(host, port);
    } else {
        socket = new Socket(host, port);
    }
    out = new DataOutputStream(socket.getOutputStream());
    in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
}

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From source file:com.nicolacimmino.expensestracker.tracker.expenses_api.ExpensesApiRequest.java

public boolean performRequest() {

    jsonResponseArray = null;/*from   w w w . ja v a2 s. co  m*/
    jsonResponseObject = null;

    HttpURLConnection connection = null;

    try {

        // Get the request JSON document as U*TF-8 encoded bytes, suitable for HTTP.
        mRequestData = ((mRequestData != null) ? mRequestData : new JSONObject());
        byte[] postDataBytes = mRequestData.toString(0).getBytes("UTF-8");

        URL url = new URL(mUrl);
        connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(mRequestMethod == "GET" ? false : true); // No body data for GET
        connection.setDoInput(true);
        connection.setInstanceFollowRedirects(true);
        connection.setRequestMethod(mRequestMethod);
        connection.setUseCaches(false);

        // For all methods except GET we need to include data in the body.
        if (mRequestMethod != "GET") {
            connection.setRequestProperty("Content-Type", "application/json");
            connection.setRequestProperty("charset", "utf-8");
            connection.setRequestProperty("Content-Length", "" + Integer.toString(postDataBytes.length));

            DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
            wr.write(postDataBytes);
            wr.flush();
            wr.close();
        }

        if (connection.getResponseCode() == 200) {
            InputStreamReader in = new InputStreamReader((InputStream) connection.getContent());
            BufferedReader buff = new BufferedReader(in);
            String line = buff.readLine().toString();
            buff.close();
            Object json = new JSONTokener(line).nextValue();
            if (json.getClass() == JSONObject.class) {
                jsonResponseObject = (JSONObject) json;
            } else if (json.getClass() == JSONArray.class) {
                jsonResponseArray = (JSONArray) json;
            } // else members will be left to null indicating no valid response.
            return true;
        }

    } catch (MalformedURLException e) {
        Log.e(TAG, e.getMessage());
    } catch (IOException e) {
        Log.e(TAG, e.getMessage());
    } catch (JSONException e) {
        Log.e(TAG, e.getMessage());
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }

    return false;
}

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From source file:com.csipsimple.backup.SipProfilesHelper.java

@Override
public void performBackup(ParcelFileDescriptor oldState, BackupDataOutput data, ParcelFileDescriptor newState) {
    boolean forceBackup = (oldState == null);

    long fileModified = databaseFile.lastModified();
    try {//from ww w . j av a 2s .com
        if (!forceBackup) {
            FileInputStream instream = new FileInputStream(oldState.getFileDescriptor());
            DataInputStream in = new DataInputStream(instream);
            long lastModified = in.readLong();
            in.close();

            if (lastModified < fileModified) {
                forceBackup = true;
            }
        }
    } catch (IOException e) {
        Log.e(THIS_FILE, "Cannot manage previous local backup state", e);
        forceBackup = true;
    }

    Log.d(THIS_FILE, "Will backup profiles ? " + forceBackup);
    if (forceBackup) {
        JSONArray accountsSaved = SipProfileJson.serializeSipProfiles(mContext);
        try {
            writeData(data, accountsSaved.toString());
        } catch (IOException e) {
            Log.e(THIS_FILE, "Cannot manage remote backup", e);
        }
    }

    try {
        FileOutputStream outstream = new FileOutputStream(newState.getFileDescriptor());
        DataOutputStream out = new DataOutputStream(outstream);
        out.writeLong(fileModified);
        out.close();
    } catch (IOException e) {
        Log.e(THIS_FILE, "Cannot manage final local backup state", e);
    }
}

---

From source file:com.juhnowski.sanskrvar.Main.java

public Entry checkWord(String word) {
    StringBuilder sb = new StringBuilder();
    sb.append("http://www.sanskrit-lexicon.uni-koeln.de/scans/WILScan/2014/web/webtc/getword.php?key=");
    sb.append(word);//from ww w .java  2 s .  c  o m
    sb.append("&filter=roman&noLit=off&transLit=hk");
    String targetURL = sb.toString();
    String urlParameters = "";

    HttpURLConnection connection = null;

    try {
        //Create connection
        URL url = new URL(targetURL);
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/xhr");

        connection.setRequestProperty("Content-Length", Integer.toString(urlParameters.getBytes().length));
        connection.setRequestProperty("Content-Language", "en-US");

        connection.setUseCaches(false);
        connection.setDoOutput(true);

        //Send request
        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.close();

        InputStream is = connection.getInputStream();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        StringBuilder response = new StringBuilder();
        String line;
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append('\r');
        }
        rd.close();
        String s = response.toString();
        if (!s.contains("<h2>not found:")) {
            return new Entry(word, s);
        } else {
            return null;
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
    return null;
}

---

From source file:hudson.plugins.clearcase.cleartool.CTLauncher.java

/**
 * Run a clearcase command without output to the console, the result of the
 * command is returned as a String// ww w. j  a  v a 2s  . c om
 * 
 * @param cmd
 *            the command to launch using the clear tool executable
 * @param filePath
 *            optional, the path where the command should be launched
 * @return the result of the command
 * @throws IOException
 * @throws InterruptedException
 */
public String run(ArgumentListBuilder args, FilePath filePath)
        throws IOException, InterruptedException, ClearToolError {
    FilePath path = filePath;
    if (path == null) {
        path = this.nodeRoot;
    }
    ArgumentListBuilder cmd = new ArgumentListBuilder(this.executable);
    cmd.add(args.toCommandArray());

    ByteArrayOutputStream outStream = new ByteArrayOutputStream();
    DataOutputStream logStream;

    if (logFile == null) {
        logStream = new DataOutputStream(new NullOutputStream());
    } else {
        logStream = new DataOutputStream(new FileOutputStream(logFile, true /*append*/));
    }

    ForkOutputStream forkStream = new ForkOutputStream(outStream, logStream);

    int code;
    String cleartoolResult;

    try {
        logStream.writeBytes(">>> " + cmd.toStringWithQuote() + "\n");

        ProcStarter starter = launcher.launch();
        starter.cmds(cmd);
        starter.envs(this.env);
        starter.stdout(forkStream);
        starter.pwd(path);

        code = launcher.launch(starter).join();

        cleartoolResult = outStream.toString();
        logStream.writeBytes("\n\n"); // to separate the commands
    } finally {
        forkStream.close();
    }

    if (code != 0 || cleartoolResult.contains("cleartool: Error")) {
        throw new ClearToolError(cmd.toStringWithQuote(), cleartoolResult, code, path);
    }

    return cleartoolResult;
}

---

From source file:GUI.Starts.java

private void predict() {
    int i, predict_probability = 0;
    svm_parameter param = new svm_parameter();
    param.svm_type = svm_parameter.EPSILON_SVR;
    param.kernel_type = svm_parameter.LINEAR;
    param.coef0 = 0;//from   w ww.j av a2s .  c o  m
    param.degree = 3;
    param.gamma = 0;
    param.nu = 0.5;
    param.cache_size = 40;
    param.eps = 1e-3;
    param.p = 0.1;
    param.shrinking = 1;
    param.probability = 0;
    try {
        BufferedReader input = new BufferedReader(new FileReader("astra.test.data"));
        DataOutputStream output = new DataOutputStream(
                new BufferedOutputStream(new FileOutputStream("astra.out")));
        svm_model model = svm.svm_load_model("astra.model");
        if (predict_probability == 1) {
            if (svm.svm_check_probability_model(model) == 0) {
                System.err.print("Model does not support probabiliy estimates\n");
                System.exit(1);
            }
        } else if (svm.svm_check_probability_model(model) != 0) {
            System.out.print("Model supports probability estimates, but disabled in prediction.\n");
        }
        Predict.predict(input, output, model, predict_probability);

        input.close();
        output.close();
    } catch (FileNotFoundException e) {
        System.out.println("File doesnt exitst");
    } catch (ArrayIndexOutOfBoundsException e) {
        System.out.println("Array out of bounds");
    } catch (IOException e) {
        System.out.println("Something went wrong");
    }
    //        System.out.println(data);
    splitArray = data.split(",");
    for (int j = 0; j < splitArray.length; j++) {
        doubleArray[j] = Double.parseDouble(splitArray[j]);
    }

    splitTarget = targets.replace("null", "").split(",");
    for (int j = 0; j < splitTarget.length; j++) {
        doubleTarget[j] = Double.parseDouble(splitTarget[j]);
    }
    System.out.println(doubleTarget[3]);
}

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From source file:org.darwinathome.server.controller.HubController.java

@RequestMapping(Hub.GET_WORLD_SERVICE)
public void getWorld(@PathVariable("session") String session, OutputStream outputStream) throws IOException {
    log.info(Hub.GET_WORLD_SERVICE + " " + session);
    DataOutputStream dos = new DataOutputStream(outputStream);
    PlayerSession playerSession = sessionMap.get(session);
    if (playerSession != null) {
        dos.writeUTF(Hub.SUCCESS);//from   ww  w  . j a  v a2s  .  c  o m
        dos.write(worldHistory.getFrozenWorld().getWorld());
        Iterator<PlayerSession> sessionWalk = sessionMap.values().iterator();
        while (sessionWalk.hasNext()) {
            if (sessionWalk.next().isExpired()) {
                sessionWalk.remove();
            }
        }
    } else {
        dos.writeUTF(Hub.FAILURE);
        dos.writeUTF(Failure.SESSION.toString());
    }
}

---

From source file:net.sourceforge.fenixedu.presentationTier.Action.commons.student.ViewStudentApplicationDA.java

public ActionForward downloadDocument(final ActionMapping mapping, final ActionForm form,
        final HttpServletRequest request, final HttpServletResponse response) throws IOException {
    final IndividualCandidacyDocumentFile document = getDomainObject(request, "documentOID");
    if (document != null && isAuthorized(document)) {
        response.setContentType(document.getContentType());
        response.addHeader("Content-Disposition", "attachment; filename=\"" + document.getFilename() + "\"");
        response.setContentLength(document.getSize().intValue());
        final DataOutputStream dos = new DataOutputStream(response.getOutputStream());
        dos.write(document.getContent());
        dos.close();// w  w  w.j  a  v  a2s.  c  om
    } else {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        response.getWriter().write(HttpStatus.getStatusText(HttpStatus.SC_BAD_REQUEST));
        response.getWriter().close();
    }
    return null;
}

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From source file:com.newatlanta.appengine.vfs.provider.GaeRandomAccessContent.java

GaeRandomAccessContent(GaeFileObject gfo, RandomAccessMode m, boolean append) throws IOException {
    EnumSet<StandardOpenOption> options = EnumSet.of(StandardOpenOption.READ);
    if (m == RandomAccessMode.READWRITE) {
        options.add(StandardOpenOption.WRITE);
        gfo.doSetLastModTime(System.currentTimeMillis());
    }/*from  ww  w  . ja v a 2s.c o m*/
    if (append) {
        options.add(StandardOpenOption.APPEND);
    }
    fileChannel = new GaeFileChannel(gfo, options);
    dataOutput = new DataOutputStream(Channels.newOutputStream(fileChannel));
    dataInput = new GaeDataInputStream(Channels.newInputStream(fileChannel));
}

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From source file:com.googlecode.fascinator.portal.quartz.ExternalJob.java

/**
 * The real work happens here/*from w  w w.j av  a2  s  .c  om*/
 *
 */
private void runJob() {
    HttpURLConnection conn = null;
    log.debug("Job firing: '{}'", name);

    try {
        // Open tasks... much simpler
        if (token == null) {
            conn = (HttpURLConnection) url.openConnection();

            // Secure tasks
        } else {
            String param = "token=" + URLEncoder.encode(token, "UTF-8");

            // Prepare our request
            conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("POST");
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            conn.setRequestProperty("Content-Length", "" + Integer.toString(param.getBytes().length));
            conn.setUseCaches(false);
            conn.setDoOutput(true);

            // Send request
            DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
            wr.writeBytes(param);
            wr.flush();
            wr.close();
        }

        // Get Response
        if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {
            log.error("Error hitting external script: {}", conn.getResponseMessage());
        }
    } catch (IOException ex) {
        log.error("Error connecting to URL: ", ex);
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

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