How to use

clone

method

in

org.jfree.util.ObjectUtilities

/**
 * Returns a clone of the specified shape, or <code>null</code>.  At the
 * current time, this method supports cloning for instances of
 * <code>Line2D</code>, <code>RectangularShape</code>, <code>Area</code>
 * and <code>GeneralPath</code>.
 * <p>
 * <code>RectangularShape</code> includes <code>Arc2D</code>,
 * <code>Ellipse2D</code>, <code>Rectangle2D</code>,
 * <code>RoundRectangle2D</code>.
 *
 * @param shape  the shape to clone (<code>null</code> permitted,
 *               returns <code>null</code>).
 *
 * @return A clone or <code>null</code>.
 */
public static Shape clone(final Shape shape) {
  if (shape instanceof Cloneable) {
    try {
      return (Shape) ObjectUtilities.clone(shape);
    }
    catch (CloneNotSupportedException cnse) {
    }
  }
  final Shape result = null;
  return result;
}

/**
 * Returns a clone of the specified shape, or <code>null</code>.  At the
 * current time, this method supports cloning for instances of
 * <code>Line2D</code>, <code>RectangularShape</code>, <code>Area</code>
 * and <code>GeneralPath</code>.
 * <p>
 * <code>RectangularShape</code> includes <code>Arc2D</code>,
 * <code>Ellipse2D</code>, <code>Rectangle2D</code>,
 * <code>RoundRectangle2D</code>.
 *
 * @param shape  the shape to clone (<code>null</code> permitted,
 *               returns <code>null</code>).
 *
 * @return A clone or <code>null</code>.
 */
public static Shape clone(final Shape shape) {
  if (shape instanceof Cloneable) {
    try {
      return (Shape) ObjectUtilities.clone(shape);
    }
    catch (CloneNotSupportedException cnse) {
    }
  }
  final Shape result = null;
  return result;
}

/**
 * Returns a clone of the specified shape, or <code>null</code>.  At the 
 * current time, this method supports cloning for instances of 
 * <code>Line2D</code>, <code>RectangularShape</code>, <code>Area</code> 
 * and <code>GeneralPath</code>.
 * <p>
 * <code>RectangularShape</code> includes <code>Arc2D</code>, 
 * <code>Ellipse2D</code>, <code>Rectangle2D</code>, 
 * <code>RoundRectangle2D</code>.
 * 
 * @param shape  the shape to clone (<code>null</code> permitted, 
 *               returns <code>null</code>).
 * 
 * @return A clone or <code>null</code>.
 */
public static Shape clone(final Shape shape) {
  if (shape instanceof Cloneable) {
    try {
      return (Shape) ObjectUtilities.clone(shape);
    }
    catch (CloneNotSupportedException cnse) {
    }
  }
  final Shape result = null;
  return result;
}
 

/**
 * Creates a clone of the plot.
 *
 * @return A clone.
 *
 * @throws CloneNotSupportedException if some component of the plot does not
 *         support cloning.
 */
public Object clone() throws CloneNotSupportedException {
  Plot clone = (Plot) super.clone();
  // private Plot parent <-- don't clone the parent plot, but take care
  // childs in combined plots instead
  if (this.datasetGroup != null) {
    clone.datasetGroup
      = (DatasetGroup) ObjectUtilities.clone(this.datasetGroup);
  }
  clone.drawingSupplier
    = (DrawingSupplier) ObjectUtilities.clone(this.drawingSupplier);
  clone.listenerList = new EventListenerList();
  return clone;
}

  = (Collection) ObjectUtilities.clone(collection);
result.clear();
final Iterator iterator = collection.iterator();
  final Object item = iterator.next();
  if (item != null) {
    result.add(clone(item));

  = (Collection) ObjectUtilities.clone(collection);
result.clear();
final Iterator iterator = collection.iterator();
  final Object item = iterator.next();
  if (item != null) {
    result.add(clone(item));

/**
 * Creates a deep copy of this HashNMap.
 *
 * @return a clone.
 * @throws CloneNotSupportedException this should never happen.
 */
public Object clone() throws CloneNotSupportedException {
  final HashNMap map = (HashNMap) super.clone();
  map.table = new HashMap();
  final Iterator iterator = keys();
  while (iterator.hasNext()) {
    final Object key = iterator.next();
    final List list = (List) map.table.get(key);
    if (list != null) {
      map.table.put(key, ObjectUtilities.clone(list));
    }
  }
  return map;
}

  = (Collection) ObjectUtilities.clone(collection);
result.clear();
final Iterator iterator = collection.iterator();
  final Object item = iterator.next();
  if (item != null) {
    result.add(clone(item));

/**
 * Creates a deep copy of this HashNMap.
 *
 * @return a clone.
 * @throws CloneNotSupportedException this should never happen.
 */
public Object clone() throws CloneNotSupportedException {
  final HashNMap map = (HashNMap) super.clone();
  map.table = new HashMap();
  final Iterator iterator = keys();
  while (iterator.hasNext()) {
    final Object key = iterator.next();
    final List list = (List) map.table.get(key);
    if (list != null) {
      map.table.put(key, ObjectUtilities.clone(list));
    }
  }
  return map;
}

/**
 * Creates a deep copy of this HashNMap.
 *
 * @return a clone.
 * @throws CloneNotSupportedException this should never happen.
 */
public Object clone() throws CloneNotSupportedException {
  final HashNMap map = (HashNMap) super.clone();
  map.table = new HashMap();
  final Iterator iterator = keys();
  while (iterator.hasNext()) {
    final Object key = iterator.next();
    final List list = (List) map.table.get(key);
    if (list != null) {
      map.table.put(key, ObjectUtilities.clone(list));
    }
  }
  return map;
}

  clone.urlGenerator = (PieURLGenerator) ObjectUtilities.clone(
      this.urlGenerator);
if (this.legendLabelGenerator != null) {
  clone.legendLabelGenerator = (PieSectionLabelGenerator)
      ObjectUtilities.clone(this.legendLabelGenerator);
      ObjectUtilities.clone(this.legendLabelToolTipGenerator);
      ObjectUtilities.clone(this.legendLabelURLGenerator);

/**
 * Returns a clone of the renderer.
 *
 * @return A clone.
 *
 * @throws CloneNotSupportedException  if the renderer cannot be cloned.
 */
public Object clone() throws CloneNotSupportedException {
  XYBarRenderer result = (XYBarRenderer) super.clone();
  if (this.gradientPaintTransformer != null) {
    result.gradientPaintTransformer = (GradientPaintTransformer)
      ObjectUtilities.clone(this.gradientPaintTransformer);
  }
  result.legendBar = ShapeUtilities.clone(this.legendBar);
  return result;
}

/**
 * Returns a clone of the plot.
 *
 * @return A clone.
 *
 * @throws CloneNotSupportedException  this can occur if some component of
 *         the plot cannot be cloned.
 */
public Object clone() throws CloneNotSupportedException {
  PolarPlot clone = (PolarPlot) super.clone();
  if (this.axis != null) {
    clone.axis = (ValueAxis) ObjectUtilities.clone(this.axis);
    clone.axis.setPlot(clone);
    clone.axis.addChangeListener(clone);
  }
  if (clone.dataset != null) {
    clone.dataset.addChangeListener(clone);
  }
  if (this.renderer != null) {
    clone.renderer
      = (PolarItemRenderer) ObjectUtilities.clone(this.renderer);
  }
  clone.cornerTextItems = new ArrayList(this.cornerTextItems);
  return clone;
}

ObjectUtilities.clone(this.legendItemLabelGenerator);
ObjectUtilities.clone(this.legendItemToolTipGenerator);
ObjectUtilities.clone(this.legendItemURLGenerator);
ObjectUtilities.clone(this.legendItemLabelGenerator);
ObjectUtilities.clone(this.legendItemToolTipGenerator);
ObjectUtilities.clone(this.legendItemURLGenerator);

clone.domainAxes = (ObjectList) ObjectUtilities.clone(this.domainAxes);
for (int i = 0; i < this.domainAxes.size(); i++) {
  ValueAxis axis = (ValueAxis) this.domainAxes.get(i);
clone.rangeAxes = (ObjectList) ObjectUtilities.clone(this.rangeAxes);
for (int i = 0; i < this.rangeAxes.size(); i++) {
  ValueAxis axis = (ValueAxis) this.rangeAxes.get(i);
clone.rangeAxisLocations = (ObjectList) ObjectUtilities.clone(
    this.rangeAxisLocations);
clone.datasets = (ObjectList) ObjectUtilities.clone(this.datasets);
for (int i = 0; i < clone.datasets.size(); ++i) {
  XYDataset d = getDataset(i);
clone.renderers = (ObjectList) ObjectUtilities.clone(this.renderers);
for (int i = 0; i < this.renderers.size(); i++) {
  XYItemRenderer renderer2 = (XYItemRenderer) this.renderers.get(i);
clone.foregroundDomainMarkers = (Map) ObjectUtilities.clone(
    this.foregroundDomainMarkers);
clone.backgroundDomainMarkers = (Map) ObjectUtilities.clone(
    this.backgroundDomainMarkers);
clone.foregroundRangeMarkers = (Map) ObjectUtilities.clone(
    this.foregroundRangeMarkers);
clone.backgroundRangeMarkers = (Map) ObjectUtilities.clone(
    this.backgroundRangeMarkers);
clone.annotations = (List) ObjectUtilities.deepClone(this.annotations);
if (this.fixedDomainAxisSpace != null) {

ObjectUtilities.clone(this.legendItemLabelGenerator);
ObjectUtilities.clone(this.legendItemToolTipGenerator);
ObjectUtilities.clone(this.legendItemURLGenerator);

/**
 * Returns a clone of the plot.
 *
 * @return A clone.
 *
 * @throws CloneNotSupportedException  if the plot cannot be cloned.
 */
public Object clone() throws CloneNotSupportedException {
  ThermometerPlot clone = (ThermometerPlot) super.clone();
  if (clone.dataset != null) {
    clone.dataset.addChangeListener(clone);
  }
  clone.rangeAxis = (ValueAxis) ObjectUtilities.clone(this.rangeAxis);
  if (clone.rangeAxis != null) {
    clone.rangeAxis.setPlot(clone);
    clone.rangeAxis.addChangeListener(clone);
  }
  clone.valueFormat = (NumberFormat) this.valueFormat.clone();
  clone.subrangePaint = (Paint[]) this.subrangePaint.clone();
  return clone;
}

clone.fixedDomainAxisSpace = (AxisSpace) ObjectUtilities.clone(
    this.fixedDomainAxisSpace);
clone.fixedRangeAxisSpace = (AxisSpace) ObjectUtilities.clone(
    this.fixedRangeAxisSpace);