Example usage for org.jfree.data DefaultCategoryDataset setValue

Introduction

In this page you can find the example usage for org.jfree.data DefaultCategoryDataset setValue.

Prototype

public void setValue(final double value, final Comparable rowKey, final Comparable columnKey) 

Source Link

Document

Adds or updates a value in the table.

Usage

From source file:RDGraphGenerator.java

/**
 * Creates a sample dataset./*from w w  w . j  a v a2  s  . c  o  m*/
 *
 * @return A sample dataset.
 */
private void createDataset() {

    int firstYear = 0;
    int firstMonth = 0;

    try {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        br.readLine(); //skip header
        String line;
        while ((line = br.readLine()) != null) {
            StringTokenizer st = new StringTokenizer(line, "\t");
            try {
                String riderID = st.nextToken();
                String firstName = st.nextToken();
                String lastName = st.nextToken();
                double tdist = Double.parseDouble(st.nextToken());
                double ttime = Double.parseDouble(st.nextToken());
                double dist0 = Double.parseDouble(st.nextToken());
                double dist1 = Double.parseDouble(st.nextToken());
                double dist2 = Double.parseDouble(st.nextToken());
                double dist3 = Double.parseDouble(st.nextToken());
                double time0 = Double.parseDouble(st.nextToken());
                double time1 = Double.parseDouble(st.nextToken());
                double time2 = Double.parseDouble(st.nextToken());
                double time3 = Double.parseDouble(st.nextToken());
                String month = st.nextToken();
                String humanMonth = st.nextToken();

                if (firstYear == 0) {
                    StringTokenizer stMonth = new StringTokenizer(month, "-");
                    firstYear = (int) Double.parseDouble(stMonth.nextToken());
                    firstMonth = (int) Double.parseDouble(stMonth.nextToken());
                }

                if (riders.get(riderID) == null) {
                    riders.put(riderID, firstName);
                    System.out.println("Creating " + firstName);
                }
                DefaultCategoryDataset cd = (DefaultCategoryDataset) riderDistances.get(riderID);
                DefaultCategoryDataset ct = (DefaultCategoryDataset) riderTimes.get(riderID);
                if (cd == null) {
                    cd = initializeDataset(firstMonth, firstYear);
                    ct = initializeDataset(firstMonth, firstYear);
                    riderDistances.put(riderID, cd);
                    riderTimes.put(riderID, ct);
                    System.out.println("Creating dataset " + riderID);
                }
                System.out.println("Data for " + riderID + " - " + humanMonth);
                cd.setValue(dist0, "0", humanMonth);
                cd.setValue(dist1, "1", humanMonth);
                cd.setValue(dist2, "2", humanMonth);
                cd.setValue(dist3, "3", humanMonth);
                ct.setValue(time0, "0", humanMonth);
                ct.setValue(time1, "1", humanMonth);
                ct.setValue(time2, "2", humanMonth);
                ct.setValue(time3, "3", humanMonth);
            } catch (NoSuchElementException nste) {
                //Ignore bogus lines.
                System.err.println("Bogus line in input file:");
                System.err.println(line);
                System.err.println("");
            }
        }
    } catch (IOException ioe) {
        ioe.printStackTrace(System.err);
    }
}

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