Example usage for java.io DataInputStream DataInputStream

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:IO.java

public static double[][] readBinaryData(File file, int nData, int nDim) {
    FileInputStream inStream;/* w ww . j  ava  2 s  .c  o m*/
    double[][] data = new double[nData][nDim];
    try {
        inStream = new FileInputStream(file);
        DataInputStream input = new DataInputStream(inStream);

        for (int i = 0; i < nData; i++)
            for (int j = 0; j < nDim; j++) {
                data[i][j] = input.readDouble();
            }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return data;
}

From source file:com.splout.db.benchmark.TCPTest.java

public static void tcpTest(String file, String table)
        throws UnknownHostException, IOException, InterruptedException, JSONSerDeException {
    final TCPServer server = new TCPServer(8888, file, table);

    Thread t = new Thread() {
        @Override/*from   w ww .j  a v a 2  s. c  o m*/
        public void run() {
            server.serve();
        }
    };
    t.start();

    while (!server.isServing()) {
        Thread.sleep(100);
    }

    Socket clientSocket = new Socket("localhost", 8888);
    DataInputStream inFromServer = new DataInputStream(new BufferedInputStream(clientSocket.getInputStream()));

    try {
        do {
            // Read a record
            inFromServer.readUTF();
            inFromServer.readInt();
            inFromServer.readDouble();
            inFromServer.readUTF();
        } while (true);
    } catch (Throwable th) {
        th.printStackTrace();
    }

    clientSocket.close();
    server.stop();
    t.interrupt();
}

From source file:org.springdata.ehcache.serializer.DataDeserializer.java

@Override
public T deserialize(InputStream inputStream) throws IOException {

    T obj;/*from  www  .  j a  va2s.c  om*/
    try {
        obj = entityClass.newInstance();
    } catch (Exception e) {
        throw new IOException(e);
    }

    DataSerializable io = (DataSerializable) obj;
    io.readFields(new DataInputStream(inputStream));

    return obj;
}

From source file:com.norconex.importer.parser.impl.wordperfect.WPInputStream.java

/**
 * Constructor./*from  w  w w .  j ava 2s  .c  o m*/
 * @param in input stream
 */
public WPInputStream(InputStream in) {
    this.in = new DataInputStream(IOUtil.toBufferedInputStream(in));
}

From source file:br.com.manish.ahy.kernel.util.FileUtil.java

public static byte[] readFileAsBytes(String path) {

    byte[] fileArray = null;

    try {//w w  w.  j  a va2 s  .  c  om
        File file = new File(path);
        if (file.length() > Integer.MAX_VALUE) {
            throw new OopsException("Oversized file :-( can't read it, sorry: " + path);
        }

        fileArray = new byte[(int) file.length()];
        DataInputStream dis;
        dis = new DataInputStream(new FileInputStream(file));
        dis.readFully(fileArray);
        dis.close();

    } catch (Exception e) {
        throw new OopsException(e, "Problems when reading: [" + path + "].");
    }

    return fileArray;
}

From source file:jp.xii.relog.customlibrary.DoSuCommand.java

public boolean init() {
    boolean ret = false;

    try {//from  w w  w  .java 2 s  .  c  om
        //su
        _process = Runtime.getRuntime().exec("su");

        //?
        _outputStream = new DataOutputStream(_process.getOutputStream());
        _inputStream = new DataInputStream(_process.getInputStream());

        //???
        ret = true;
        //         if(!write("su -v\n")){
        //         }else{
        //            String[] results = read().split("\n");
        //            for (String line : results) {
        //               if(line.length() > 0){
        //                  //???????
        //                  ret = true;
        //               }
        //            }
        //         }
    } catch (IOException e) {
    }

    return ret;
}

From source file:Main.java

public InputStream getWWWPageStream(String host, String file) throws IOException, UnknownHostException {

    InetAddress webServer = InetAddress.getByName(host);

    Socket httpPipe = new Socket(webServer, 80);
    if (httpPipe == null) {
        System.out.println("Socket to Web server creation failed.");
        return null;
    }//from   w w  w . ja  v  a 2s. co  m

    InputStream inn = httpPipe.getInputStream(); // get raw streams
    OutputStream outt = httpPipe.getOutputStream();

    DataInputStream in = new DataInputStream(inn); // turn into higher-level ones
    PrintStream out = new PrintStream(outt);

    if (inn == null || outt == null) {
        System.out.println("Failed to open streams to socket.");
        return null;
    }
    out.println("GET " + file + " HTTP/1.0\n");

    String response;
    while ((response = in.readUTF()).length() > 0) {
        System.out.println(response);
    }

    return in;
}

From source file:com.netflix.aegisthus.io.sstable.IndexDatabaseScanner.java

public IndexDatabaseScanner(@Nonnull InputStream is) {
    this.countingInputStream = new CountingInputStream(is);
    this.input = new DataInputStream(this.countingInputStream);
}

From source file:delete.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from   www  . ja v  a2s.c  om*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");

    Socket s = new Socket("localhost", 9999);

    DataInputStream in = new DataInputStream(s.getInputStream());
    DataOutputStream outD = new DataOutputStream(s.getOutputStream());

    outD.writeUTF(request.getParameter("employee_id"));

    in.readUTF();

    s.close();

    try (PrintWriter out = response.getWriter()) {
        /* TODO output your page here. You may use following sample code. */

        out.println("Deleted");
    }
}

From source file:ca.weblite.contacts.webservice.CN1DataMapperMessageConverter.java

@Override
protected Object readInternal(Class type, HttpInputMessage him)
        throws IOException, HttpMessageNotReadableException {
    System.out.println("In readInternal");
    DataInputStream in = new DataInputStream(him.getBody());
    Map m = (Map) com.codename1.io.Util.readObject(in);
    System.out.println("Read object " + m);
    return Mappers.getInstance().readMap(m, type);
}