/**
* compare the byte-array representation of two TaskObjects.
*
* @param f TaskObject
* @param s TaskObject
* @return true if the two arguments have the same byte-array
*/
private boolean sameBytes(TaskObject f, TaskObject s) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutput out = null;
try {
out = new ObjectOutputStream(bos);
out.writeObject(f);
byte[] fs = bos.toByteArray();
out.writeObject(s);
byte[] ss = bos.toByteArray();
if (fs.length != ss.length) return false;
for (int i = 0; i < fs.length; i++) {
if (fs[i] != ss[i]) return false;
}
return true;
} catch (IOException e) {
e.printStackTrace();
return false;
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) {
// ignore
}
try {
bos.close();
} catch (IOException e) {
// ignore
}
}
}
}
/**
* 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 byte[] getByteContent() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(baos);
out.writeObject(content);
out.close();
return baos.toByteArray();
}
// write data to server's database file
private void updateFile(String file_name, Object data) {
try {
OutputStream file_data = new FileOutputStream(file_name);
OutputStream buffer = new BufferedOutputStream(file_data);
ObjectOutput data_out = new ObjectOutputStream(buffer);
data_out.writeObject(data);
data_out.close();
} catch (Exception e) {
System.out.println("updateFile: Failed to update data to " + file_name);
}
}