Example usage for java.io DataInputStream DataInputStream

List of usage examples for java.io DataInputStream DataInputStream

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Introduction

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

Prototype

public DataInputStream(InputStream in)

Source Link

Document

Creates a DataInputStream that uses the specified underlying InputStream.

Usage

From source file:org.openxdata.server.FormsServer.java

/**
 * Called when a new connection has been received. Failures are not handled
 * in this class as different servers (BT,SMS, etc) may want to handle them
 * differently./*from www.j a  v  a 2 s . c o m*/
 * 
 * @param dis - the stream to read from.
 * @param dos - the stream to write to.
 */
public void processConnection(InputStream disParam, OutputStream dosParam) {

    ZOutputStream gzip = new ZOutputStream(dosParam, JZlib.Z_BEST_COMPRESSION);
    DataOutputStream zdos = new DataOutputStream(gzip);

    byte responseStatus = ResponseStatus.STATUS_ERROR;

    try {
        try {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            DataInputStream dis = new DataInputStream(disParam);

            String name = dis.readUTF();
            String password = dis.readUTF();
            String serializer = dis.readUTF();
            String locale = dis.readUTF();

            byte action = dis.readByte();

            User user = authenticationService.authenticate(name, password);
            if (user == null)
                responseStatus = ResponseStatus.STATUS_ACCESS_DENIED;
            else {
                DataOutputStream dosTemp = new DataOutputStream(baos);

                if (action == ACTION_DOWNLOAD_FORMS)
                    formDownloadService.downloadForms(dosTemp, serializer, locale);
                else if (action == ACTION_UPLOAD_DATA)
                    submitXforms(dis, dosTemp, serializer);
                else if (action == ACTION_DOWNLOAD_USERS)
                    formDownloadService.downloadUsers(dosTemp, serializer);
                else if (action == ACTION_DOWNLOAD_USERS_AND_FORMS)
                    downloadUsersAndForms(dis.readInt(), dosTemp, serializer, locale);
                else if (action == ACTION_DOWNLOAD_STUDY_LIST)
                    formDownloadService.downloadStudies(dosTemp, serializer, locale);
                else if (action == ACTION_DOWNLOAD_LANGUAGES)
                    formDownloadService.downloadLocales(dis, dosTemp, serializer);
                else if (action == ACTION_DOWNLOAD_MENU_TEXT)
                    formDownloadService.downloadMenuText(dis, dosTemp, serializer, locale);
                else if (action == ACTION_DOWNLOAD_STUDY_FORMS)
                    formDownloadService.downloadForms(dis.readInt(), zdos, serializer, locale);
                else if (action == ACTION_DOWNLOAD_USERS_AND_ALL_FORMS)
                    downloadUsersAndAllForms(dosTemp, serializer, locale);

                responseStatus = ResponseStatus.STATUS_SUCCESS;
            }

            zdos.writeByte(responseStatus);

            if (responseStatus == ResponseStatus.STATUS_SUCCESS) {
                zdos.write(baos.toByteArray());
            }
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
            zdos.writeByte(responseStatus);
        } finally {
            zdos.flush();
            gzip.finish();
        }
    } catch (IOException e) {
        // this is for exceptions occurring in the catch or finally clauses.
        log.error(e.getMessage(), e);
    }
}

From source file:com.rpgsheet.xcom.dao.SaveGameDaoImpl.java

private byte[] readIt(int saveSlot, String fileName) {
    File saveFile = ufoGameFileService.getSaveFile(saveSlot, fileName);
    byte[] data = new byte[(int) saveFile.length()];
    try {/*w w  w .  j ava2 s .c  o m*/
        FileInputStream fileInputStream = new FileInputStream(saveFile);
        DataInputStream dataInputStream = new DataInputStream(fileInputStream);
        dataInputStream.readFully(data);
    } catch (FileNotFoundException e) {
        // if we don't have it, we don't have it
        data = null;
    } catch (IOException e) {
        e.printStackTrace(System.err);
    }
    return data;
}

From source file:com.zack6849.alphabot.api.Utils.java

public static String checkServerStatus(InetAddress i, int port) {
    String returns = "Error.";
    try {/*from ww w. j  a  v  a 2  s .  c om*/
        //wow...i never actually used the port argument?
        Socket s = new Socket(i, port);
        DataInputStream SS_BF = new DataInputStream(s.getInputStream());
        DataOutputStream d = new DataOutputStream(s.getOutputStream());
        d.write(new byte[] { (byte) 0xFE, (byte) 0x01 });
        SS_BF.readByte();
        short length = SS_BF.readShort();
        StringBuilder sb = new StringBuilder();
        for (int in = 0; in < length; in++) {
            char ch = SS_BF.readChar();
            sb.append(ch);
        }
        String all = sb.toString().trim();
        System.out.println(all);
        String[] args1 = all.split("\u0000");
        if (args1[3].contains("")) {
            returns = "MOTD: " + args1[3].replaceAll("[a-m]", "").replaceAll("[1234567890]", "")
                    + "   players: [" + args1[4] + "/" + args1[5] + "]";
        } else {
            returns = "MOTD: " + args1[3] + "   players: [" + args1[4] + "/" + args1[5] + "]";
        }
    } catch (UnknownHostException e1) {
        returns = "the host you specified is unknown. check your settings.";
    } catch (IOException e1) {
        returns = "sorry, we couldn't reach this server, make sure that the server is up and has query enabled.";
    }
    return returns;
}

From source file:com.facebook.infrastructure.net.UdpConnection.java

public void read(SelectionKey key) {
    key.interestOps(key.interestOps() & (~SelectionKey.OP_READ));
    ByteBuffer buffer = ByteBuffer.allocate(BUFFER_SIZE);
    try {//from  w  ww .j  a  v a2s. c  o m
        SocketAddress sa = socketChannel_.receive(buffer);
        if (sa == null) {
            logger_.debug("*** No datagram packet was available to be read ***");
            return;
        }
        buffer.flip();

        byte[] bytes = gobbleHeaderAndExtractBody(buffer);
        if (bytes.length > 0) {
            DataInputStream dis = new DataInputStream(new ByteArrayInputStream(bytes));
            Message message = Message.serializer().deserialize(dis);
            if (message != null) {
                MessagingService.receive(message);
            }
        }
    } catch (IOException ioe) {
        logger_.warn(LogUtil.throwableToString(ioe));
    } finally {
        key.interestOps(key_.interestOps() | SelectionKey.OP_READ);
    }
}

From source file:com.web.server.util.FarmWarFileTransfer.java

public void setState(InputStream input) throws Exception {
    List<String> list = (List<String>) Util.objectFromStream(new DataInputStream(input));
    synchronized (state) {
        state.clear();/*from   w w w  .  j a v a  2 s.c  o m*/
        state.addAll(list);
    }
    //System.out.println("received state (" + list.size() + " messages in chat history):");
    for (String str : list) {
        System.out.println(str);
    }
}

From source file:Util.PacketGenerator.java

public static void GenerateGraph() {
    try {//from w ww  .  j  a  v  a 2  s .  c om
        for (int j = 6; j <= 6; j++) {
            File real = new File("D:\\Mestrado\\SketchMatrix\\trunk\\Simulations\\Analise\\Scenario1\\Topology"
                    + j + "\\Real.csv");
            for (int k = 1; k <= 4; k++) {
                File simu = new File(
                        "D:\\Mestrado\\SketchMatrix\\trunk\\Simulations\\Analise\\Scenario1\\Topology" + j
                                + "\\SimulacaoInstancia" + k + ".csv");

                FileInputStream simuFIS = new FileInputStream(simu);
                DataInputStream simuDIS = new DataInputStream(simuFIS);
                BufferedReader simuBR = new BufferedReader(new InputStreamReader(simuDIS));

                FileInputStream realFIS = new FileInputStream(real);
                DataInputStream realDIS = new DataInputStream(realFIS);
                BufferedReader realBR = new BufferedReader(new InputStreamReader(realDIS));

                String lineSimu = simuBR.readLine();
                String lineReal = realBR.readLine();

                XYSeries matrix = new XYSeries("Matriz", false, true);
                while (lineSimu != null && lineReal != null) {

                    lineSimu = lineSimu.replaceAll(",", ".");
                    String[] simuMatriz = lineSimu.split(";");
                    String[] realMatriz = lineReal.split(";");

                    for (int i = 0; i < simuMatriz.length; i++) {
                        try {
                            Integer valorReal = Integer.parseInt(realMatriz[i]);
                            Float valorSimu = Float.parseFloat(simuMatriz[i]);
                            matrix.add(valorReal.doubleValue() / 1000.0, valorSimu.doubleValue() / 1000.0);
                        } catch (NumberFormatException ex) {

                        }
                    }
                    lineSimu = simuBR.readLine();
                    lineReal = realBR.readLine();
                }

                simuFIS.close();
                simuDIS.close();
                simuBR.close();

                realFIS.close();
                realDIS.close();
                realBR.close();

                double maxPlot = Double.max(matrix.getMaxX(), matrix.getMaxY()) * 1.1;
                XYSeries middle = new XYSeries("Referncia");
                ;
                middle.add(0, 0);
                middle.add(maxPlot, maxPlot);
                XYSeries max = new XYSeries("Superior 20%");
                max.add(0, 0);
                max.add(maxPlot, maxPlot * 1.2);
                XYSeries min = new XYSeries("Inferior 20%");
                min.add(0, 0);
                min.add(maxPlot, maxPlot * 0.8);

                XYSeriesCollection dataset = new XYSeriesCollection();
                dataset.addSeries(middle);
                dataset.addSeries(matrix);
                dataset.addSeries(max);
                dataset.addSeries(min);
                JFreeChart chart;
                if (k == 4) {
                    chart = ChartFactory.createXYLineChart("Matriz de Trfego", "Real", "CMO-MT", dataset);
                } else {
                    chart = ChartFactory.createXYLineChart("Matriz de Trfego", "CMO-MT", "Zhao", dataset);
                }
                chart.setBackgroundPaint(Color.WHITE);
                chart.getPlot().setBackgroundPaint(Color.WHITE);
                chart.getTitle().setFont(new Font("Times New Roman", Font.BOLD, 13));

                chart.getLegend().setItemFont(new Font("Times New Roman", Font.TRUETYPE_FONT, 10));

                chart.getXYPlot().getDomainAxis().setLabelFont(new Font("Times New Roman", Font.BOLD, 10));
                chart.getXYPlot().getDomainAxis()
                        .setTickLabelFont(new Font("Times New Roman", Font.TRUETYPE_FONT, 1));
                chart.getXYPlot().getRangeAxis().setLabelFont(new Font("Times New Roman", Font.BOLD, 10));
                chart.getXYPlot().getRangeAxis()
                        .setTickLabelFont(new Font("Times New Roman", Font.TRUETYPE_FONT, 1));

                XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) chart.getXYPlot().getRenderer();

                renderer.setSeriesLinesVisible(1, false);
                renderer.setSeriesShapesVisible(1, true);

                renderer.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER,
                        10.0f, new float[] { 0.1f }, 0.0f));
                renderer.setSeriesShape(1, new Ellipse2D.Float(-1.5f, -1.5f, 3f, 3f));
                renderer.setSeriesStroke(2, new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER,
                        10.0f, new float[] { 3.0f }, 0.0f));
                renderer.setSeriesStroke(3, new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER,
                        10.0f, new float[] { 3.0f }, 0.0f));

                renderer.setSeriesPaint(0, Color.BLACK);
                renderer.setSeriesPaint(1, Color.BLACK);
                renderer.setSeriesPaint(2, Color.BLACK);
                renderer.setSeriesPaint(3, Color.BLACK);

                int width = (int) (192 * 1.5f); /* Width of the image */

                int height = (int) (144 * 1.5f); /* Height of the image */

                File XYChart = new File(
                        "D:\\Mestrado\\SketchMatrix\\trunk\\Simulations\\Analise\\Scenario1\\Topology" + j
                                + "\\SimulacaoInstancia" + k + ".jpeg");
                ChartUtilities.saveChartAsJPEG(XYChart, chart, width, height);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.project.qrypto.keymanagement.KeyManager.java

/**
 * Load a Keystore. Uses either internal or external memory depending on settings.
 * @param context the context to use./*from  w  w  w  .  ja  v a 2s  .  c o  m*/
 * 
 * @throws IOException if the stream is bad
 * @throws InvalidCipherTextException if the key or data is bad
 */
public void load(Context context) throws IOException, InvalidCipherTextException {

    DataInputStream stream = null;
    if (passwordProtected) {
        byte[] data = AES.handle(false, IOUtils.toByteArray(getAssociatedInFileStream(context)), keyStoreKey);
        stream = new DataInputStream(new ByteArrayInputStream(data));
    } else {
        stream = new DataInputStream(getAssociatedInFileStream(context));
    }

    String type = stream.readUTF();
    if (type.equals("RCYTHR1")) {
        //Valid
        int count = stream.readInt();
        for (int i = 0; i < count; ++i) {
            String name = stream.readUTF();
            lookup.put(name, Key.readData(stream));
        }
    } else {
        throw new IOException("Bad Format");
    }

    storeLoaded = true;
}

From source file:com.kylinolap.common.persistence.ResourceStore.java

/**
 * read a resource, return null in case of not found
 *//* ww  w .  ja  va  2 s.co  m*/
final public <T extends RootPersistentEntity> T getResource(String resPath, Class<T> clz,
        Serializer<T> serializer) throws IOException {
    resPath = norm(resPath);
    InputStream in = getResourceImpl(resPath);
    if (in == null)
        return null;

    DataInputStream din = new DataInputStream(in);
    try {
        T r = serializer.deserialize(din);
        r.setLastModified(getResourceTimestamp(resPath));
        return r;
    } finally {
        IOUtils.closeQuietly(din);
        IOUtils.closeQuietly(in);
    }
}

From source file:bkampfbot.Instance.java

/**
 * Parst die Parameter und liest die Konfigurationsdatei aus.
 * /* w  w w  . j  a  v  a2s. co  m*/
 * @param args
 * @throws FatalError
 * @throws IOException
 * @throws RestartLater
 */
public Instance(String[] args) throws FatalError, IOException {

    // configure plans
    PlanBoeseBeute.initiate();
    PlanBoeseKrieg.initiate();
    PlanBoeseRespekt.initiate();
    PlanAngriff.initiate();

    // reset config
    new Config();

    // reset user
    new User();

    this.parseArguments(args);

    if (this.modus.equals(Modus.help)) {
        Output.help();
    }

    // read config file
    try {
        File f = new File(Config.getConfigFile());
        FileInputStream fstream = new FileInputStream(f.getAbsoluteFile());
        DataInputStream in = new DataInputStream(fstream);
        BufferedReader br = new BufferedReader(new InputStreamReader(in));

        String strLine, configString = "";

        // Read File Line By Line
        while ((strLine = br.readLine()) != null) {

            // Kommentare werden ausgelassen
            if (strLine.length() > 0 && strLine.substring(0, 1).equals("#")) {
                configString += "\n";
                continue;
            }
            configString += strLine + "\n";
        }

        // Close the input stream
        in.close();

        try {
            JSONObject config = new JSONObject(new JSONTokener(configString));
            Config.parseJsonConfig(config);
        } catch (JSONException e) {
            int lines = configString.substring(0, e.getIndex()).replaceAll("[^\n]", "").length();
            throw new FatalError(
                    "Die Struktur der Konfigurationsdatei " + "stimmt nicht. Versuche den Inhalt der "
                            + "Datei mit einem externen Werkzeug zu " + "reparieren. Dafr gibt es Webseiten, "
                            + "die JSON-Objekte validieren knnen. Vermutlich in der Zeile " + lines + "."
                            + "\n\nAls Hinweis hier noch die Fehlerausgabe:\n" + e.getMessage()
                            + "\n\nEingabe war:\n" + e.getInputString());
        }
    } catch (FileNotFoundException e) {
        throw new FatalError("Die Konfigurationsdatei konnte nicht gefunden/geffnet werden.\n Datei: "
                + Config.getConfigFile() + "\n Fehler: " + e.getMessage());
    }

    if (Config.getUserName() == null || Config.getUserPassword() == null || Config.getHost() == null) {
        throw new FatalError("Die Konfigurationsdatei ist nicht vollstndig. "
                + "Es wird mindestens der Benutzername, das " + "Passwort und der Hostname bentigt.");
    }

}

From source file:com.envirover.spl.SPLGroungControlTest.java

@Test
public void testMOMessagePipeline()
        throws URISyntaxException, ClientProtocolException, IOException, InterruptedException {
    System.out.println("MO TEST: Testing MO message pipeline...");

    Thread.sleep(1000);//from   ww  w .  j av  a2s  .c  o m

    Thread mavlinkThread = new Thread(new Runnable() {
        public void run() {
            Socket client = null;

            try {
                System.out.printf("MO TEST: Connecting to tcp://%s:%d",
                        InetAddress.getLocalHost().getHostAddress(), config.getMAVLinkPort());
                System.out.println();

                client = new Socket(InetAddress.getLocalHost().getHostAddress(), config.getMAVLinkPort());

                System.out.printf("MO TEST: Connected tcp://%s:%d", InetAddress.getLocalHost().getHostAddress(),
                        config.getMAVLinkPort());
                System.out.println();

                Parser parser = new Parser();
                DataInputStream in = new DataInputStream(client.getInputStream());
                while (true) {
                    MAVLinkPacket packet;
                    do {
                        int c = in.readUnsignedByte();
                        packet = parser.mavlink_parse_char(c);
                    } while (packet == null);

                    System.out.printf("MO TEST: MAVLink message received: msgid = %d", packet.msgid);
                    System.out.println();

                    Thread.sleep(100);
                }
            } catch (InterruptedException ex) {
                return;
            } catch (Exception ex) {
                ex.printStackTrace();
            } finally {
                try {
                    client.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    });
    mavlinkThread.start();

    HttpClient httpclient = HttpClients.createDefault();

    URIBuilder builder = new URIBuilder();
    builder.setScheme("http");
    builder.setHost(InetAddress.getLocalHost().getHostAddress());
    builder.setPort(config.getRockblockPort());
    builder.setPath(config.getHttpContext());

    URI uri = builder.build();
    HttpPost httppost = new HttpPost(uri);

    // Request parameters and other properties.
    List<NameValuePair> params = new ArrayList<NameValuePair>(2);
    params.add(new BasicNameValuePair("imei", config.getRockBlockIMEI()));
    params.add(new BasicNameValuePair("momsn", "12345"));
    params.add(new BasicNameValuePair("transmit_time", "12-10-10 10:41:50"));
    params.add(new BasicNameValuePair("iridium_latitude", "52.3867"));
    params.add(new BasicNameValuePair("iridium_longitude", "0.2938"));
    params.add(new BasicNameValuePair("iridium_cep", "9"));
    params.add(new BasicNameValuePair("data", Hex.encodeHexString(getSamplePacket().encodePacket())));
    httppost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));

    // Execute and get the response.
    System.out.printf("MO TEST: Sending test message to %s", uri.toString());
    System.out.println();

    HttpResponse response = httpclient.execute(httppost);

    if (response.getStatusLine().getStatusCode() != 200) {
        fail(String.format("RockBLOCK HTTP message handler status code = %d.",
                response.getStatusLine().getStatusCode()));
    }

    HttpEntity entity = response.getEntity();

    if (entity != null) {
        InputStream responseStream = entity.getContent();
        try {
            String responseString = IOUtils.toString(responseStream);
            System.out.println(responseString);
        } finally {
            responseStream.close();
        }
    }

    Thread.sleep(1000);

    mavlinkThread.interrupt();
    System.out.println("MO TEST: Complete.");
}