overSession.CreateGraph.java Source code

Introduction

Here is the source code for overSession.CreateGraph.java

Source

/*
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package overSession;

/**
 *
 * @author ssharma
 */
import java.io.File;
import java.io.IOException;
import java.util.LinkedList;

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.chart.plot.PlotOrientation;
import org.jfree.data.category.DefaultCategoryDataset;

public class CreateGraph extends ApplicationFrame {
    //serial id
    private static final long serialVersionUID = 1L;
    //storage for pressure data
    private LinkedList<LinkedList<String>> pressureData = new LinkedList<LinkedList<String>>();
    //which sensor value to be displayed
    private int sensorNumber;

    public CreateGraph(String applicationTitle, String chartTitle, LinkedList<LinkedList<String>> pData,
            int sensorNum) {
        super(applicationTitle);
        this.pressureData = pData;
        this.sensorNumber = sensorNum;
        JFreeChart lineChart = ChartFactory.createLineChart(chartTitle, "Session",
                "Average Pressure Value (per session)", createDataset(), PlotOrientation.VERTICAL, true, true,
                false);
        //lineChart.setBackgroundPaint(Color.red);
        ChartPanel chartPanel = new ChartPanel(lineChart);
        chartPanel.setPreferredSize(new java.awt.Dimension(1200, 500));
        setContentPane(chartPanel);

        File fileLineChart = new File("LineChart" + this.sensorNumber + ".jpeg");
        try {
            ChartUtilities.saveChartAsJPEG(fileLineChart, lineChart, 1200, 500);
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

    private DefaultCategoryDataset createDataset() {

        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        for (LinkedList<String> sessionData : this.pressureData) {
            dataset.addValue(Double.parseDouble(sessionData.get(this.sensorNumber)), "pressure",
                    sessionData.get(0) + sessionData.get(1));
        }
        return dataset;
    }
    // public static void main( String[ ] args )
    // {
    // BuildGraph chart = new BuildGraph(
    // "Pressure values over the session" ,
    // "Pressure values over the session", "a");
    //
    // chart.pack( );
    // RefineryUtilities.centerFrameOnScreen( chart );
    // chart.setVisible( true );
    // }
}