Example #1
0
  /** Create the serversocket and use its stream to receive serialized objects */
  public static void main(String args[]) {

    ServerSocket ser = null;
    Socket soc = null;
    String str = null;
    Date d = null;

    try {
      ser = new ServerSocket(8020);
      /*
       * This will wait for a connection to be made to this socket.
       */
      soc = ser.accept();
      InputStream o = soc.getInputStream();
      ObjectInput s = new ObjectInputStream(o);
      str = (String) s.readObject();
      d = (Date) s.readObject();
      s.close();

      // print out what we just received
      System.out.println(str);
      System.out.println(d);
    } catch (Exception e) {
      System.out.println(e.getMessage());
      System.out.println("Error during serialization");
      System.exit(1);
    }
  }
 public Object nativeToJava(TransferData transferData) {
   Object o = null;
   if (transferData == null) {
     getLog().error("transferData is null");
   }
   if (isSupportedType(transferData)) {
     byte[] bs = (byte[]) super.nativeToJava(transferData);
     if (bs != null) {
       ByteArrayInputStream bis = new ByteArrayInputStream(bs);
       ObjectInput in;
       try {
         in = new ObjectInputStream(bis);
         o = in.readObject();
         bis.close();
         in.close();
       } catch (OptionalDataException e) {
         getLog().error("Wrong data", e);
       } catch (IOException | ClassNotFoundException e) {
         getLog().error("Error while transfering dnd object back to java", e);
       }
     } else {
       getLog().error("bs is null");
       if (transferData == null) {
         getLog().error("transferData also");
       }
     }
   }
   return o;
 }
  /**
   * Serialize an instance, restore it, and check for equality. In addition, test for a bug that was
   * reported where the listener list is 'null' after deserialization.
   */
  public void testSerialization() {

    BarRenderer r1 = new BarRenderer();
    r1.setBaseLegendTextFont(new Font("Dialog", Font.PLAIN, 4));
    r1.setBaseLegendTextPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.green));
    r1.setBaseLegendShape(new Line2D.Double(1.0, 2.0, 3.0, 4.0));
    BarRenderer r2 = null;

    try {
      ByteArrayOutputStream buffer = new ByteArrayOutputStream();
      ObjectOutput out = new ObjectOutputStream(buffer);
      out.writeObject(r1);
      out.close();

      ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
      r2 = (BarRenderer) in.readObject();
      in.close();
    } catch (Exception e) {
      e.printStackTrace();
    }
    assertEquals(r1, r2);
    try {
      r2.notifyListeners(new RendererChangeEvent(r2));
    } catch (NullPointerException e) {
      assertTrue(false); // failed
    }
  }
Example #4
0
  public static Object byteArray2Object(byte[] b) throws IOException, ClassNotFoundException {
    /*
     * http://stackoverflow.com/questions/2836646/java-serializable-object-to-byte-array
     */
    ByteArrayInputStream bis = new ByteArrayInputStream(b);
    ObjectInput oi = new ObjectInputStream(bis);
    Object nesne = oi.readObject();
    bis.close();
    oi.close();

    return nesne;
  }