Java SE (Java Platform, Standard Edition)

I create graphical report using jfree chart . it gives output in applet now i want to save applet as jpg image .
is it possible ?
i tried but i got image contain only black color.


here is my code.

***********************************************************************************************

package com.webaccess.wasurvey.action;

import com.lowagie.text.Image;
import java.awt.image.BufferedImage;
import java.awt.image.ImageObserver;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPosition;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.axis.CategoryLabelWidthType;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.text.TextBlockAnchor;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RectangleAnchor;
import org.jfree.ui.RefineryUtilities;
import org.jfree.ui.TextAnchor;
import org.jfree.util.Log;
import org.jfree.util.PrintStreamLogTarget;

/**
* A simple demonstration application showing how to create a horizontal 3D bar chart using data
* from a {@link CategoryDataset}.
*
*/
public class BarChart3DDemo2 extends ApplicationFrame {

// ****************************************************************************
// * JFREECHART DEVELOPER GUIDE *
// * The JFreeChart Developer Guide, written by David Gilbert, is available *
// * to purchase from Object Refinery Limited: *
// * *
// *
// * *
// * Sales are used to provide funding for the JFreeChart project - please *
// * support us so that we can continue developing free software. *
// ****************************************************************************

/**
* Creates a new demo.
*
* @param title the frame title.
*/
public BarChart3DDemo2(final String title) {

super(title);

// create the chart...
final DefaultCategoryDataset dataset = new DefaultCategoryDataset();

dataset.addValue(23.0, "Series 1", "London");
dataset.addValue(11.0, "Series 1", "New York");
dataset.addValue(12.0, "Series 1", "Istanbul");
dataset.addValue(13.0, "Series 1", "Cairo");

dataset.addValue(13.0, "Series 2", "London");
dataset.addValue(19.0, "Series 2", "New York");
dataset.addValue(19.0, "Series 2", "Istanbul");
dataset.addValue(19.0, "Series 2", "Cairo");

dataset.addValue(7.0, "Series 3", "London");
dataset.addValue(9.0, "Series 3", "New York");
dataset.addValue(9.0, "Series 3", "Istanbul");
dataset.addValue(9.0, "Series 3", "Cairo");


final JFreeChart chart = createChart(dataset);

// add the chart to a panel...
final ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(chartPanel);

}

/**
* Creates a chart.
*
* @param dataset the dataset.
*
* @return The chart.
*/
private JFreeChart createChart(final CategoryDataset dataset) {

final JFreeChart chart = ChartFactory.createBarChart3D(
"3D Bar Chart Demo 2", // chart title
"Category", // domain axis label
"Value", // range axis label
dataset, // data
PlotOrientation.HORIZONTAL, // orientation
true, // include legend
true, // tooltips
false // urls
);

final CategoryPlot plot = chart.getCategoryPlot();
plot.setForegroundAlpha(1.0f);

// left align the category labels...
final CategoryAxis axis = plot.getDomainAxis();
final CategoryLabelPositions p = axis.getCategoryLabelPositions();

final CategoryLabelPosition left = new CategoryLabelPosition(
RectangleAnchor.LEFT, TextBlockAnchor.CENTER_LEFT,
TextAnchor.CENTER_LEFT, 0.0,
CategoryLabelWidthType.RANGE, 0.30f
);
axis.setCategoryLabelPositions(CategoryLabelPositions.replaceLeftPosition(p, left));

return chart;

}

public void saveimage()
{
Image backbuffer;
ImageObserver observer=null;
BufferedImage bufferedImage = new BufferedImage (1000,100,BufferedImage.TYPE_INT_BGR );
// BufferedImage bufferedImage = new BufferedImage ( 1000,100,BufferedImage.TYPE_INT_RGB );
// bufferedImage.createGraphics().drawImage( backbuffer, 0, 0,this);
bufferedImage.createGraphics().drawImage(bufferedImage, 10, 60,observer);
try {

ImageIO.write( bufferedImage, "jpg", new File ( "image.jpg" ) );

} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}

/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(final String[] args) {

Log.getInstance().addTarget(new PrintStreamLogTarget());
final BarChart3DDemo2 demo = new BarChart3DDemo2("3D Bar Chart Demo 2");
demo.pack();

RefineryUtilities.centerFrameOnScreen(demo);
demo.saveimage();
demo.setVisible(true);


}

}