Example usage for java.io DataOutputStream writeByte

Introduction

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

Prototype

public final void writeByte(int v) throws IOException 

Source Link

Document

Writes out a byte to the underlying output stream as a 1-byte value.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    FileOutputStream fos = new FileOutputStream("C:/WriteByte.txt");
    DataOutputStream dos = new DataOutputStream(fos);

    int i = 1;/*from  w  ww . j  a v a  2  s . co m*/
    dos.writeByte(i);
    dos.close();
}

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From source file:Main.java

public static void main(String[] args) throws IOException {

    byte[] buf = { 12, 15, 18, 20, 22, 24 };

    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    DataOutputStream dos = new DataOutputStream(baos);

    for (byte b : buf) {
        dos.writeByte(b);
    }//from w w  w. j  av  a 2 s .co m
    dos.flush();

    for (byte b : baos.toByteArray()) {
        System.out.print(b);
    }

}

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From source file:Main.java

public static void main(String[] args) throws IOException {
    byte[] b = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
    FileOutputStream fos = new FileOutputStream("c:\\test.txt");
    DataOutputStream dos = new DataOutputStream(fos);
    for (byte j : b) {
        dos.writeByte(j);
    }//from   w  w  w.  jav a 2 s  .  c  om
    dos.flush();

    InputStream is = new FileInputStream("c:\\test.txt");

    DataInputStream dis = new DataInputStream(is);

    while (dis.available() > 0) {
        int k = dis.read();
        System.out.print(k);
        dis.skipBytes(1);
    }

}

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From source file:Main.java

public static void main(String[] args) throws IOException {

    byte[] b = { -123, 4 };

    FileOutputStream fos = new FileOutputStream("c:\\test.txt");
    DataOutputStream dos = new DataOutputStream(fos);

    for (byte j : b) {
        dos.writeByte(j);
    }/*w  ww.  j ava 2s  . c  o  m*/
    dos.flush();
    InputStream is = new FileInputStream("c:\\test.txt");
    DataInputStream dis = new DataInputStream(is);

    while (dis.available() > 0) {
        int k = dis.readUnsignedByte();
        System.out.print(k);
    }

}

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From source file:MainClass.java

public static void main(String args[]) {
    try {//from   www  . jav  a  2  s. c  om

        FileOutputStream fos = new FileOutputStream(args[0]);

        DataOutputStream dos = new DataOutputStream(fos);

        dos.writeBoolean(false);
        dos.writeByte(Byte.MAX_VALUE);
        dos.writeChar('A');
        dos.writeDouble(Double.MAX_VALUE);
        dos.writeFloat(Float.MAX_VALUE);
        dos.writeInt(Integer.MAX_VALUE);
        dos.writeLong(Long.MAX_VALUE);
        dos.writeShort(Short.MAX_VALUE);

        fos.close();
    } catch (Exception e) {
        System.out.println("Exception: " + e);
    }
}

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From source file:com.tc.simple.apn.quicktests.Test.java

/**
 * @param args/*from w  w w.  j  ava 2s.  com*/
 */

public static void main(String[] args) {
    SSLSocket socket = null;

    try {
        String host = "gateway.sandbox.push.apple.com";
        int port = 2195;

        String token = "de7f197546e41a76684f8e2d89f397ed165298d7772f4bd9b0f39c674b185b0f";
        System.out.println(token.toCharArray().length);

        //String token = "8cebc7c08f79fa62f0994eb4298387ff930857ff8d14a50de431559cf476b223";

        KeyStore keyStore = KeyStore.getInstance("PKCS12");

        keyStore.load(Test.class.getResourceAsStream("egram-dev-apn.p12"), "xxxxxxxxx".toCharArray());
        KeyManagerFactory keyMgrFactory = KeyManagerFactory
                .getInstance(KeyManagerFactory.getDefaultAlgorithm());
        keyMgrFactory.init(keyStore, "xxxxxxxxx".toCharArray());

        SSLContext sslContext = SSLContext.getInstance("TLS");
        sslContext.init(keyMgrFactory.getKeyManagers(), null, null);
        SSLSocketFactory socketFactory = sslContext.getSocketFactory();

        socket = (SSLSocket) socketFactory.createSocket(host, port);
        String[] cipherSuites = socket.getSupportedCipherSuites();
        socket.setEnabledCipherSuites(cipherSuites);
        socket.startHandshake();

        char[] t = token.toCharArray();
        byte[] b = Hex.decodeHex(t);

        OutputStream outputstream = socket.getOutputStream();

        String payload = "{\"aps\":{\"alert\":\"yabadabadooo\"}}";

        int expiry = (int) ((System.currentTimeMillis() / 1000L) + 7200);

        ByteArrayOutputStream bout = new ByteArrayOutputStream();

        DataOutputStream dos = new DataOutputStream(bout);

        //command
        dos.writeByte(1);

        //id
        dos.writeInt(900);

        //expiry
        dos.writeInt(expiry);

        //token length.
        dos.writeShort(b.length);

        //token
        dos.write(b);

        //payload length
        dos.writeShort(payload.length());

        //payload.
        dos.write(payload.getBytes());

        byte[] byteMe = bout.toByteArray();

        socket.getOutputStream().write(byteMe);

        socket.setSoTimeout(900);
        InputStream in = socket.getInputStream();

        System.out.println(APNErrors.getError(in.read()));

        in.close();

        outputstream.close();

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            socket.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}

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From source file:SecurityManagerTest.java

public static void main(String[] args) throws Exception {
    try {/*  w  w  w  .j  a  va 2  s.  c  o  m*/
        System.setSecurityManager(new PasswordSecurityManager("Booga Booga"));
    } catch (SecurityException se) {
        System.err.println("SecurityManager already set!");
    }

    DataInputStream in = new DataInputStream(new FileInputStream("inputtext.txt"));
    DataOutputStream out = new DataOutputStream(new FileOutputStream("outputtext.txt"));
    String inputString;
    while ((inputString = in.readLine()) != null) {
        out.writeBytes(inputString);
        out.writeByte('\n');
    }
    in.close();
    out.close();
}

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From source file:Main.java

public static void writeByteArray(byte[] bytes, DataOutputStream dos) throws Exception {
    for (int i = 0; i < bytes.length; dos.writeByte(bytes[i]), i++)
        ;//from w w w .  j a  v a 2  s.c  o m
}

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From source file:com.opensoc.json.serialization.JSONEncoderHelper.java

public static void putString(DataOutputStream data, String str) throws IOException {
    // String ID is 1
    data.writeByte(JSONKafkaSerializer.StringID);
    data.writeInt(str.length());/* w w  w .j  a  va  2 s  .c  o m*/
    data.write(str.getBytes());

}

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From source file:Main.java

public static void writeBin(String fileName, byte[] data) {
    try {/*from w w  w  .  jav  a 2s.  co  m*/
        DataOutputStream out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(fileName)));
        for (byte b : data) {
            out.writeByte(b);
        }
        out.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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