Diagramas.BarChart_AWT.java Source code

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Here is the source code for Diagramas.BarChart_AWT.java

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/*
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package Diagramas;

/**
 *
 * @author Alejandro
 */
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

public class BarChart_AWT extends ApplicationFrame {
    public BarChart_AWT(String applicationTitle, String chartTitle) throws IOException {
        super(applicationTitle);
        JFreeChart barChart = ChartFactory.createBarChart(chartTitle, "Category", "Score", createDataset(),
                PlotOrientation.VERTICAL, true, true, false);

        int width = 640; /* Width of the image */
        int height = 480; /* Height of the image */
        File BarChart = new File("BarChart.png");
        ChartUtilities.saveChartAsPNG(BarChart, barChart, width, height);

        ChartPanel chartPanel = new ChartPanel(barChart);
        chartPanel.setPreferredSize(new java.awt.Dimension(560, 367));
        setContentPane(chartPanel);
    }

    private CategoryDataset createDataset() {
        final String fiat = "FIAT";
        final String audi = "AUDI";
        final String ford = "FORD";
        final String speed = "Speed";
        final String millage = "Millage";
        final String userrating = "User Rating";
        final String safety = "safety";
        final DefaultCategoryDataset dataset = new DefaultCategoryDataset();

        dataset.addValue(1.0, fiat, speed);
        dataset.addValue(3.0, fiat, userrating);
        dataset.addValue(5.0, fiat, millage);
        dataset.addValue(5.0, fiat, safety);

        dataset.addValue(5.0, audi, speed);
        dataset.addValue(6.0, audi, userrating);
        dataset.addValue(10.0, audi, millage);
        dataset.addValue(4.0, audi, safety);

        dataset.addValue(4.0, ford, speed);
        dataset.addValue(2.0, ford, userrating);
        dataset.addValue(3.0, ford, millage);
        dataset.addValue(6.0, ford, safety);

        return dataset;
    }

    public static void main(String[] args) throws IOException {
        BarChart_AWT chart = new BarChart_AWT("Car Usage Statistics", "Which car do you like?");
        chart.pack();
        RefineryUtilities.centerFrameOnScreen(chart);
        chart.setVisible(true);

    }
}