Example usage for java.io ByteArrayOutputStream toByteArray

List of usage examples for java.io ByteArrayOutputStream toByteArray

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Introduction

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

Prototype

public synchronized byte[] toByteArray()

Source Link

Document

Creates a newly allocated byte array.

Usage

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
    KeyPair pair = generateRSAKeyPair();
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    bOut.write(generateV1Certificate(pair).getEncoded());
    bOut.close();//from   w  w w .  j a  v a 2s.c om
    InputStream in = new ByteArrayInputStream(bOut.toByteArray());
    CertificateFactory fact = CertificateFactory.getInstance("X.509", "BC");
    X509Certificate x509Cert = (X509Certificate) fact.generateCertificate(in);
    System.out.println("issuer: " + x509Cert.getIssuerX500Principal());
}

From source file:SaveVector.java

public static void main(String args[]) throws Exception {
    String data[] = { "Java", "Source", "and", "Support", "." };
    Vector v = new Vector(Arrays.asList(data));
    ByteArrayOutputStream b = new ByteArrayOutputStream();
    ObjectOutputStream o = new ObjectOutputStream(b);
    o.writeObject(v);/*from  ww w. j  a v a  2s  . c  o  m*/
    o.close();
    ByteArrayInputStream bb = new ByteArrayInputStream(b.toByteArray());
    ObjectInputStream oo = new ObjectInputStream(bb);
    Vector v2 = (Vector) oo.readObject();
    Enumeration e = v.elements();
    while (e.hasMoreElements()) {
        System.out.println(e.nextElement());
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String os = "abc";
    for (byte b : os.getBytes("UTF-16BE")) {
        System.out.println(b);//  w  w  w. j  a v a2s  . c o  m
    }

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);
    for (char c : os.toCharArray()) {
        dos.writeChar(c);
    }

    byte[] ba = baos.toByteArray();

    for (byte b : ba) {
        System.out.println(b);
    }
}

From source file:net.awl.edoc.pdfa.font.CFFTest.java

/**
 * @param args/* ww  w  . ja v  a2s.  co m*/
 */
public static void main(String[] args) throws Exception {
    FileInputStream fis = new FileInputStream("/home/eric/UneCFFType0.cff0");
    // FileInputStream fis = new FileInputStream("/home/eric/UneCFFType2.cff2");
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    IOUtils.copyLarge(fis, bos);

    CFFParser cp = new CFFParser();
    List<CFFFont> lf = cp.parse(bos.toByteArray());

    CFFFontROS font = (CFFFontROS) lf.get(0);
    System.out.println("CharstringType : " + font.getProperty("CharstringType"));

    int CID = 85;
    int fdAIndex = font.getFdSelect().getFd(CID);
    Map<String, Object> fd = font.getFontDict().get(fdAIndex);
    Map<String, Object> pd = font.getPrivDict().get(fdAIndex);
    for (Mapping m : font.getMappings()) {
        if (m.getSID() == CID) {
            // List<Object> l1 = new
            // Type1CharStringParser().parse(font.getCharStringsDict().get(m.getName()));
            List<Object> l2 = new Type2CharStringParser().parse(m.getBytes());
            System.err.println("");
        }
    }
    System.out.println("");
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
    String URL = "jdbc:odbc:dbname";
    Connection dbConn = DriverManager.getConnection(URL, "user", "passw");
    Employee employee = new Employee(42, "AA", 9);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(employee);/*w w w. j a  v a2  s .  c o m*/
    byte[] employeeAsBytes = baos.toByteArray();
    PreparedStatement pstmt = dbConn.prepareStatement("INSERT INTO EMPLOYEE (emp) VALUES(?)");
    ByteArrayInputStream bais = new ByteArrayInputStream(employeeAsBytes);
    pstmt.setBinaryStream(1, bais, employeeAsBytes.length);
    pstmt.executeUpdate();
    pstmt.close();
    Statement stmt = dbConn.createStatement();
    ResultSet rs = stmt.executeQuery("SELECT emp FROM Employee");
    while (rs.next()) {
        byte[] st = (byte[]) rs.getObject(1);
        ByteArrayInputStream baip = new ByteArrayInputStream(st);
        ObjectInputStream ois = new ObjectInputStream(baip);
        Employee emp = (Employee) ois.readObject();
    }
    stmt.close();
    rs.close();
    dbConn.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Object object = new JButton("push me");

    ObjectOutput out = new ObjectOutputStream(new FileOutputStream("filename.ser"));
    out.writeObject(object);/*  ww  w  .j  a va  2 s. co m*/
    out.close();

    // Serialize to a byte array
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    out = new ObjectOutputStream(bos);
    out.writeObject(object);
    out.close();

    // Get the bytes of the serialized object
    byte[] buf = bos.toByteArray();
    System.out.println(new String(buf));
}

From source file:SaveVector1.java

public static void main(String args[]) throws Exception {
    Vector v = new Vector(Arrays.asList(args));
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(v);// w  ww. j a va  2s  .  c  om
    oos.close();
    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    ObjectInputStream ois = new ObjectInputStream(bais);
    Vector v2 = (Vector) ois.readObject();
    Enumeration e = v.elements();
    while (e.hasMoreElements()) {
        System.out.println(e.nextElement());
    }
}

From source file:Main.java

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

    int[] buf = { 65, 66, 67, 68, 69, 70, 71 };

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);

    for (int i : buf) {
        dos.write(i);//from w  w  w . j  av a  2 s.  c  o m
    }

    dos.flush();

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

From source file:Main.java

public static void main(String[] args) throws IOException {
    String s = "Hello from java2s.com!";

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);

    dos.writeBytes(s);/*  www  . jav  a2s.  c  om*/
    dos.flush();

    System.out.println(s + " in bytes:");
    for (byte b : baos.toByteArray()) {
        System.out.print(b + ",");
    }
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
    byte[] input = "www.java2s.com".getBytes();
    byte[] keyBytes = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
            0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17 };
    byte[] ivBytes = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x00, 0x01, 0x02, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x01 };/*from  www  . ja  v a 2  s .  c om*/

    SecretKeySpec key = new SecretKeySpec(keyBytes, "AES");
    IvParameterSpec ivSpec = new IvParameterSpec(ivBytes);
    Cipher cipher = Cipher.getInstance("AES/CTR/NoPadding", "BC");
    System.out.println("input : " + new String(input));

    // encryption pass
    cipher.init(Cipher.ENCRYPT_MODE, key, ivSpec);
    ByteArrayInputStream bIn = new ByteArrayInputStream(input);
    CipherInputStream cIn = new CipherInputStream(bIn, cipher);
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();

    int ch;
    while ((ch = cIn.read()) >= 0) {
        bOut.write(ch);
    }

    byte[] cipherText = bOut.toByteArray();

    System.out.println("cipher: " + new String(cipherText));

    // decryption pass
    cipher.init(Cipher.DECRYPT_MODE, key, ivSpec);
    bOut = new ByteArrayOutputStream();
    CipherOutputStream cOut = new CipherOutputStream(bOut, cipher);
    cOut.write(cipherText);
    cOut.close();
    System.out.println("plain : " + new String(bOut.toByteArray()));
}