/** Serialize an instance, restore it, and check for equality. */
public void testSerialization() {
DefaultHighLowDataset d1 =
new DefaultHighLowDataset(
"Series 1",
new Date[] {new Date(123L)},
new double[] {1.2},
new double[] {3.4},
new double[] {5.6},
new double[] {7.8},
new double[] {99.9});
DefaultHighLowDataset d2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
d2 = (DefaultHighLowDataset) in.readObject();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(d1, d2);
}
/**
* Reads a saved serialized HashMap of TreeData objects in 'dir' named 'id' and returns the
* TreeContainer object.
*
* @param id name of HashMap
* @param dir location of saved .ser file
* @param printData if true, will print HashMap to string (via toString method)
* @return HashMap of TreeData objects specified by 'id' and 'dir', or null if no TreeContainer
* found
*/
@SuppressWarnings("unchecked")
public static HashMap<String, TreeData> readTreeDataMap(
String id, String dir, boolean printData) {
ObjectInput inputObject;
HashMap<String, TreeData> tdHash = null;
try {
inputObject =
new ObjectInputStream(new BufferedInputStream(new FileInputStream(dir + id + ".ser")));
try {
tdHash = (HashMap<String, TreeData>) inputObject.readObject();
} catch (ClassNotFoundException e) {
tdHash = null;
Logger.logln("Couldn't load ArrayList<TreeData>: " + id + ", from: " + dir);
e.printStackTrace();
} finally {
inputObject.close();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
if (printData == true && tdHash != null) {
System.out.println(tdHash.toString());
}
return tdHash;
}
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. */
public void testSerialization() {
List u1 = new java.util.ArrayList();
u1.add("URL A1");
u1.add("URL A2");
u1.add("URL A3");
List u2 = new java.util.ArrayList();
u2.add("URL B1");
u2.add("URL B2");
u2.add("URL B3");
CustomXYURLGenerator g1 = new CustomXYURLGenerator();
CustomXYURLGenerator g2 = null;
g1.addURLSeries(u1);
g1.addURLSeries(u2);
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(g1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
g2 = (CustomXYURLGenerator) in.readObject();
in.close();
} catch (Exception e) {
System.out.println(e.toString());
}
assertEquals(g1, g2);
}
public static Action deserializeAction(byte[] byteArray) {
ByteArrayInputStream bis = new ByteArrayInputStream(byteArray);
ObjectInput in = null;
Action o = null;
try {
in = new ObjectInputStream(bis);
o = (Action) in.readObject();
} catch (IOException | ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
try {
bis.close();
} catch (IOException ex) {
// ignore close exception
}
try {
if (in != null) {
in.close();
}
} catch (IOException ex) {
// ignore close exception
}
}
return o;
}
public static TaggedDocument readTaggedDocument(String id, String dir, boolean printData) {
ObjectInput inputObject;
TaggedDocument td = null;
try {
inputObject =
new ObjectInputStream(new BufferedInputStream(new FileInputStream(dir + id + ".ser")));
try {
td = (TaggedDocument) inputObject.readObject();
} catch (ClassNotFoundException e) {
td = null;
Logger.logln("Couldn't load TaggedDocument: " + id + ", from: " + dir);
e.printStackTrace();
} finally {
inputObject.close();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
if (printData == true && td != null) {
System.out.println(td.toString());
}
return td;
}
/** 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 static void breakSingletonWithSerialization() {
System.out.println();
final String fileName = "singleton.ser";
// getting singleton instance
Singleton instanceOne = Singleton.getInstance();
instanceOne.setValue(10);
try {
// Serialize to a file
ObjectOutput objectOutput = new ObjectOutputStream(new FileOutputStream(fileName));
objectOutput.writeObject(instanceOne);
objectOutput.close();
// now changed the value of singleton
instanceOne.setValue(20);
// Serialize to a file
ObjectInput objectInput = new ObjectInputStream(new FileInputStream(fileName));
Singleton instanceTwo = (Singleton) objectInput.readObject();
objectInput.close();
System.out.println("Instance One Value= " + instanceOne.getValue());
System.out.println("Instance Two Value= " + instanceTwo.getValue());
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
/**
* 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
}
}
static ExecutionSetEntry load(final File folder, final String uid) {
if (folder == null) {
return null;
}
File file = new File(folder, uid);
if (!file.isFile()) {
return null;
}
ClassLoader oldCl = Thread.currentThread().getContextClassLoader();
try {
Thread.currentThread().setContextClassLoader(RuleEngine.class.getClassLoader());
ObjectInput strm = new ObjectInputStream(new FileInputStream(file));
try {
ExecutionSetEntry result = (ExecutionSetEntry) strm.readObject();
LOG.debug("execution set data loaded from " + file);
return result;
} finally {
strm.close();
}
} catch (Exception e) {
LOG.warn("failed loading execution set data from file " + file, e);
return null;
} finally {
Thread.currentThread().setContextClassLoader(oldCl);
}
}
private void loadCartmap() throws Exception {
ObjectInput oi = null;
try {
// look for a frozen map - otherwise create an empty one
oi = new ObjectInputStream(new FileInputStream(_mapFile));
_cartMap = (HashMap<String, byte[]>) oi.readObject();
oi.close();
oi = null;
} catch (Throwable e) {
throw new Exception("Exception loading cartmap", e);
} finally {
try {
if (null != oi) oi.close();
} catch (Throwable e) {
e.printStackTrace();
}
}
}
@SuppressWarnings("unchecked")
private void read(String file) throws IOException, ClassNotFoundException {
InputStream buffer;
System.err.println("Reading Data file:" + file);
buffer = new BufferedInputStream(new FileInputStream(file));
ObjectInput input = new ObjectInputStream(buffer);
trigramTable = (Hashtable<String, Integer>) input.readObject();
bigramTable = (Hashtable<String, Integer>) input.readObject();
input.close();
System.err.println("Finished");
}
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;
}
/** Serialize an instance, restore it, and check for equality. */
public void testSerialization() {
// try a default instance
StandardDialScale s1 = new StandardDialScale();
StandardDialScale s2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(s1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
s2 = (StandardDialScale) in.readObject();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(s1, s2);
// try a customised instance
s1 = new StandardDialScale();
s1.setExtent(123.4);
s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.white));
s1.setMajorTickStroke(new BasicStroke(2.0f));
s2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(s1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
s2 = (StandardDialScale) in.readObject();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(s1, s2);
}
/** Serialize an instance, restore it, and check for equality. */
public void testSerialization() {
// test a default instance
DialBackground b1 = new DialBackground();
DialBackground b2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(b1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
b2 = (DialBackground) in.readObject();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(b1, b2);
// test a customised instance
b1 = new DialBackground();
b1.setPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.green));
b1.setGradientPaintTransformer(
new StandardGradientPaintTransformer(GradientPaintTransformType.CENTER_VERTICAL));
b2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(b1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
b2 = (DialBackground) in.readObject();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(b1, b2);
}
/** Serialize an instance, restore it, and check for equality. */
public void testSerialization() {
DefaultXYDataset d1 = new DefaultXYDataset();
DefaultXYDataset d2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
d2 = (DefaultXYDataset) in.readObject();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(d1, d2);
// try a dataset with some content...
double[] x1 = new double[] {1.0, 2.0, 3.0};
double[] y1 = new double[] {4.0, 5.0, 6.0};
double[][] data1 = new double[][] {x1, y1};
d1.addSeries("S1", data1);
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
d2 = (DefaultXYDataset) in.readObject();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(d1, d2);
}
/** Serialize an instance, restore it, and check for equality. */
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
StackedXYAreaRenderer2 r1 = new StackedXYAreaRenderer2();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
StackedXYAreaRenderer2 r2 = (StackedXYAreaRenderer2) in.readObject();
in.close();
assertEquals(r1, r2);
}
/** Serialize an instance, restore it, and check for equality. */
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
TextTitle t = new TextTitle("Title");
XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(a1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
XYTitleAnnotation a2 = (XYTitleAnnotation) in.readObject();
in.close();
assertEquals(a1, a2);
}
/** Serialize an instance, restore it, and check for equality. */
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
StandardXYItemLabelGenerator g1 = new StandardXYItemLabelGenerator();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(g1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
StandardXYItemLabelGenerator g2 = (StandardXYItemLabelGenerator) in.readObject();
in.close();
assertEquals(g1, g2);
}
/** Serialize an instance, restore it, and check for equality. */
public void testSerialization() {
GradientBarPainter p1 = new GradientBarPainter(0.1, 0.2, 0.3);
GradientBarPainter p2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(p1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
p2 = (GradientBarPainter) in.readObject();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(p1, p2);
}
/** Serialize an instance, restore it, and check for equality. */
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
QuarterDateFormat qf1 =
new QuarterDateFormat(TimeZone.getTimeZone("GMT"), new String[] {"1", "2", "3", "4"});
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(qf1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
QuarterDateFormat qf2 = (QuarterDateFormat) in.readObject();
in.close();
assertEquals(qf1, qf2);
}
/** Serialize an instance, restore it, and check for equality. */
public void testSerialization() {
IntervalBarRenderer r1 = new IntervalBarRenderer();
IntervalBarRenderer 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 = (IntervalBarRenderer) in.readObject();
in.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
assertEquals(r1, r2);
}
/** Serialize an instance, restore it, and check for equality. */
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
MinMaxCategoryRenderer r1 = new MinMaxCategoryRenderer();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
MinMaxCategoryRenderer r2 = (MinMaxCategoryRenderer) in.readObject();
in.close();
assertEquals(r1, r2);
}
/** Check serialization of a more complex instance. */
@Test
public void testSerialization2() throws IOException, ClassNotFoundException {
DefaultStatisticalCategoryDataset d1 = new DefaultStatisticalCategoryDataset();
d1.add(1.2, 3.4, "Row 1", "Column 1");
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
DefaultStatisticalCategoryDataset d2 = (DefaultStatisticalCategoryDataset) in.readObject();
in.close();
assertEquals(d1, d2);
}
/** Serialize an instance, restore it, and check for equality. */
public void testSerialization() {
Second s1 = new Second();
Second s2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(s1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
s2 = (Second) in.readObject();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(s1, s2);
}
/** Serialize an instance, restore it, and check for equality. */
public void testSerialization() {
LegendItemEntity e1 = new LegendItemEntity(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
LegendItemEntity e2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(e1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
e2 = (LegendItemEntity) in.readObject();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(e1, e2);
}
/** Serialize an instance, restore it, and check for equality. */
public void testSerialization() {
EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
EmptyBlock b2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(b1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
b2 = (EmptyBlock) in.readObject();
in.close();
} catch (Exception e) {
fail(e.toString());
}
assertEquals(b1, b2);
}
/** Serialize an instance, restore it, and check for equality. */
public void testSerialization() {
BorderArrangement b1 = new BorderArrangement();
BorderArrangement b2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(b1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
b2 = (BorderArrangement) in.readObject();
in.close();
} catch (Exception e) {
fail(e.toString());
}
assertEquals(b1, b2);
}
private static Object deserialize(String serialized) throws ClassNotFoundException, IOException {
byte[] bytes = Base64.decode(serialized);
ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
ObjectInput in = null;
try {
in = new ObjectInputStream(bis);
return in.readObject();
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
@SuppressWarnings("unchecked")
public static <T> InterfacePractice<T> read(String filePath) {
InterfacePractice<T> object = null;
try {
ObjectInput in =
new ObjectInputStream(new BufferedInputStream(new FileInputStream(filePath)));
try {
object = (InterfacePractice<T>) in.readObject();
} finally {
in.close();
}
} catch (Exception e) {
e.printStackTrace();
}
return object;
}
