Diagramas.LineChart_AWT.java Source code

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Here is the source code for Diagramas.LineChart_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.ChartPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.DefaultCategoryDataset;

public class LineChart_AWT extends ApplicationFrame {
    public LineChart_AWT(String applicationTitle, String chartTitle) throws IOException {
        super(applicationTitle);
        JFreeChart lineChart = ChartFactory.createLineChart(chartTitle, "Years", "Number of Schools",
                createDataset(), PlotOrientation.VERTICAL, true, true, false);

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

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

    private DefaultCategoryDataset createDataset() {
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        dataset.addValue(15, "schools", "1970");
        dataset.addValue(30, "schools", "1980");
        dataset.addValue(60, "schools", "1990");
        dataset.addValue(120, "schools", "2000");
        dataset.addValue(240, "schools", "2010");
        dataset.addValue(300, "schools", "2014");
        return dataset;
    }

    public static void main(String[] args) throws IOException {
        LineChart_AWT chart = new LineChart_AWT("School Vs Years", "Numer of Schools vs years");

        chart.pack();
        RefineryUtilities.centerFrameOnScreen(chart);
        chart.setVisible(true);

    }
}