de.berlios.statcvs.xml.report.AuthorsActivityChart.java Source code

Introduction

Here is the source code for de.berlios.statcvs.xml.report.AuthorsActivityChart.java

Source

/*
StatCvs - CVS statistics generation 
Copyright (C) 2002  Lukasz Pekacki <lukasz@pekacki.de>
http://statcvs.sf.net/
    
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
    
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.
    
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    
   $RCSfile: AuthorsActivityChart.java,v $
   $Date: 2004/03/05 21:56:01 $ 
*/
package de.berlios.statcvs.xml.report;

import java.awt.Color;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import net.sf.statcvs.input.CommitListBuilder;
import net.sf.statcvs.model.Author;
import net.sf.statcvs.model.Commit;
import net.sf.statcvs.model.CvsContent;
import net.sf.statcvs.model.CvsRevision;

import org.jfree.chart.plot.CategoryPlot;

import de.berlios.statcvs.xml.I18n;
import de.berlios.statcvs.xml.chart.AbstractStackedChart;
import de.berlios.statcvs.xml.output.ChartReportElement;
import de.berlios.statcvs.xml.output.Report;
import de.berlios.statcvs.xml.output.ReportSettings;

/**
 * AuthorsActivityChart
 * 
 * @author Tammo van Lessen
 * @fix review
 */
public class AuthorsActivityChart extends AbstractStackedChart {

    private static final int REMOVING = 0;
    private static final int CHANGING = 1;
    private static final int ADDING = 2;

    private List authors = new ArrayList();
    private String[] topics = new String[] { I18n.tr("removing"), I18n.tr("changing"), I18n.tr("adding") };

    public AuthorsActivityChart(CvsContent content, ReportSettings settings) {
        super(settings, "activity.png", I18n.tr("Author Activity"), null, "%");

        CategoryPlot plot = getChart().getCategoryPlot();
        plot.getRenderer().setSeriesPaint(REMOVING, Color.red);
        plot.getRenderer().setSeriesPaint(CHANGING, Color.yellow);
        plot.getRenderer().setSeriesPaint(ADDING, Color.green);
        plot.getRangeAxis().setUpperBound(100);

        Collection auts = content.getAuthors();
        Iterator it = auts.iterator();
        while (it.hasNext()) {
            Author author = (Author) it.next();
            authors.add(author.getName());
        }
        Collections.sort(authors);
        double[][] categories;
        categories = new double[3][authors.size()];
        for (int j = 0; j < authors.size(); j++) {
            categories[REMOVING][j] = 0;
            categories[CHANGING][j] = 0;
            categories[ADDING][j] = 0;
        }

        Iterator revIt = settings.getRevisionIterator(content);
        CommitListBuilder commitList = new CommitListBuilder(revIt);
        List commits = commitList.createCommitList();
        Iterator commitIt = commits.iterator();
        while (commitIt.hasNext()) {
            Commit commit = (Commit) commitIt.next();
            Set commitRevList = commit.getRevisions();
            Iterator commitRevIt = commitRevList.iterator();
            int author = authors.indexOf(commit.getAuthor().getName());
            int linesAdded = 0;
            int linesRemoved = 0;
            while (commitRevIt.hasNext()) {
                CvsRevision revision = (CvsRevision) commitRevIt.next();
                linesAdded += revision.getNewLines();
                linesRemoved += revision.getNewLines() - revision.getReplacedLines();
            }
            if (linesAdded == linesRemoved) {
                categories[CHANGING][author] += linesAdded;
            }
            if (linesAdded < linesRemoved) {
                categories[CHANGING][author] += linesAdded;
                categories[REMOVING][author] += linesRemoved - linesAdded;
            }
            if (linesAdded > linesRemoved) {
                categories[ADDING][author] += linesAdded - linesRemoved;
                categories[CHANGING][author] += linesRemoved;
            }
        }

        for (int i = 0; i < authors.size(); i++) {
            double maxLines = categories[REMOVING][i] + categories[CHANGING][i] + categories[ADDING][i];
            for (int k = 0; k < 3; k++) {
                categories[k][i] *= (100 / maxLines);
                dataset.addValue(categories[k][i], topics[k], (String) authors.get(i));
            }
        }
        setup(true);
    }

    public static Report generate(CvsContent content, ReportSettings settings) {
        return new Report(new ChartReportElement(new AuthorsActivityChart(content, settings)));
    }

}