/** 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
}
}
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;
}
