Diagramas.PieChart_AWT.java Source code

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Here is the source code for Diagramas.PieChart_AWT.java

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/*
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package Diagramas;

/**
 *
 * @author Alejandro
 */
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.imageio.ImageIO;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.data.general.PieDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

public class PieChart_AWT extends ApplicationFrame {

    public PieChart_AWT(String title) throws IOException {
        super(title);
        setContentPane(createDemoPanel());
    }

    private static PieDataset createDataset() {
        DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("IPhone 5s", new Double(20));
        dataset.setValue("SamSung Grand", new Double(20));
        dataset.setValue("MotoG", new Double(40));
        dataset.setValue("Nokia Lumia", new Double(10));
        return dataset;
    }

    private static JFreeChart createChart(PieDataset dataset) {
        JFreeChart chart = ChartFactory.createPieChart("Mobile Sales", // chart title 
                dataset, // data    
                true, // include legend   
                true, false);

        return chart;
    }

    public static JPanel createDemoPanel() throws FileNotFoundException, IOException {
        JFreeChart chart = createChart(createDataset());
        return new ChartPanel(chart);

    }

    public static void main(String[] args) throws IOException {
        PieChart_AWT demo = new PieChart_AWT("Mobile Sales");
        demo.setSize(560, 367);
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

        JFreeChart chart = createChart(createDataset());
        OutputStream output = new FileOutputStream("img.png");
        ChartUtilities.writeChartAsPNG(output, chart, 500, 600);

        output.close();
    }

}