finalproject.FileIO.java Source code

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Here is the source code for finalproject.FileIO.java

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/*
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 * and open the template in the editor.
 */
package finalproject;

import java.io.*;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;

/**
 *
 * @author Joseph
 */
public class FileIO {

    private String filename;
    private String date;
    private String notes;
    private String[][] data = { { "12:00 am", null }, { "1:00 am", null }, { "2:00 am", null }, { "3:00 am", null },
            { "4:00 am", null }, { "5:00 am", null }, { "6:00 am", null }, { "7:00 am", null }, { "8:00 am", null },
            { "9:00 am", null }, { "10:00 am", null }, { "11:00 am", null }, { "12:00 pm", null },
            { "1:00 pm", null }, { "2:00 pm", null }, { "3:00 pm", null }, { "4:00 pm", null }, { "5:00 pm", null },
            { "6:00 pm", null }, { "7:00 pm", null }, { "8:00 pm", null }, { "9:00 pm", null },
            { "10:00 pm", null }, { "11:00 pm", null } };

    /**
     * Returns the date from the file
     * @return 
     */
    public String getDate() {
        return date;
    }

    /**
     * Returns the Notes from the file
     * @return 
     */
    public String getNotes() {
        return notes;
    }

    /**
     * Prints the date, data, and the notes to a file for later use
     * @param date
     * @param data
     * @param notes 
     */
    public void outputToFile(String date, String[][] data, String notes) {
        //File f = new File("Resources/Data/" + date + ".txt");
        // For "commercial" use
        //File f = new File("C:\\Program Files\\BGDataAnalysis\\Data\\" + date + ".txt");
        File f = new File("C:\\BGDataAnalysis\\Data\\" + date + ".txt");

        try {
            BufferedWriter wrtr = new BufferedWriter(new FileWriter(f));

            wrtr.write(date);
            wrtr.newLine();
            wrtr.write(notes);
            wrtr.newLine();

            for (int i = 0; i < 24; i++) {
                if (data[i][1] != null) {
                    wrtr.write(data[i][0] + "%" + data[i][1]);
                    wrtr.newLine();
                }

            }

            wrtr.close();
        } catch (Exception ex) {
            System.out.println("Output Error!");
            System.out.println(ex.getMessage());
        }
    }

    /**
     * Takes a file and reads in the data from it
     * @param f
     * @return 
     */
    public String[][] inputFromFile(File f) {
        //File f = new File(filename);

        try {
            BufferedReader rdr = new BufferedReader(new FileReader(f));
            String s;
            String[] sa;

            date = rdr.readLine();
            notes = rdr.readLine();

            while ((s = rdr.readLine()) != null) {

                sa = s.split("%");

                for (int j = 0; j < 24; j++) {
                    if (data[j][0].equals(sa[0])) {
                        data[j][1] = sa[1];
                        break;
                    }
                }
            }

            rdr.close();
        } catch (Exception ex) {
            System.out.println("Input Error!");
            System.out.println(ex.getMessage());
        }

        return data;
    }

    /**
     * Outputs the graph to a png file.
     * @param date
     * @param jfc
     * @throws Exception 
     */
    public void saveGraph(String date, JFreeChart jfc) throws Exception {
        int width = 640; // Width of the image 
        int height = 480; // Height of the image               
        //File lineChart = new File("Resources/BGCharts/" + date + "Chart.png");

        // For "commercial" use
        /*File lineChart = new File("C:\\Program Files\\BGDataAnalysis\\BGCharts\\" 
                + date + "Chart.png");*/
        File lineChart = new File("C:\\BGDataAnalysis\\BGCharts\\" + date + "Chart.png");

        ChartUtilities.saveChartAsPNG(lineChart, jfc, width, height);

    }
}