Main.java

/*
 * Cobertura - http://cobertura.sourceforge.net/
 *
 * Copyright (C) 2003 jcoverage ltd.
 * Copyright (C) 2005 Mark Doliner
 * Copyright (C) 2005 Joakim Erdfelt
 * Copyright (C) 2005 Mark Sinke
 * Copyright (C) 2005 Grzegorz Lukasik
 *
 * Cobertura is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * Cobertura 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Cobertura; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

package net.sourceforge.cobertura.merge;

import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import net.sourceforge.cobertura.coveragedata.CoverageDataFileHandler;
import net.sourceforge.cobertura.coveragedata.ProjectData;
import net.sourceforge.cobertura.util.CommandLineBuilder;
import net.sourceforge.cobertura.util.Header;

public class Main {

    public Main(String[] args) {
        File dataFile = CoverageDataFileHandler.getDefaultDataFile();
        File baseDir = null;
        List filesToMerge = new ArrayList();

        // Go through all the parameters
        for (int i = 0; i < args.length; i++) {
            if (args[i].equals("--datafile"))
                dataFile = new File(args[++i]);
            else if (args[i].equals("--basedir"))
                baseDir = new File(args[++i]);
            else
                filesToMerge.add(new File(baseDir, args[i]));
        }

        // Load coverage data
        ProjectData projectData = null;
        if (dataFile.isFile())
            projectData = CoverageDataFileHandler.loadCoverageData(dataFile);
        if (projectData == null)
            projectData = new ProjectData();

        if (filesToMerge.isEmpty()) {
            System.err.println("Error: No files were specified for merging.");
            System.exit(1);
        }

        // Merge everything
        Iterator iter = filesToMerge.iterator();
        while (iter.hasNext()) {
            File newDataFile = (File) iter.next();
            ProjectData projectDataNew = CoverageDataFileHandler
                    .loadCoverageData(newDataFile);
            if (projectDataNew != null)
                projectData.merge(projectDataNew);
        }

        // Save the combined data file
        CoverageDataFileHandler.saveCoverageData(projectData, dataFile);
    }

    public static void main(String[] args) {
        Header.print(System.out);

        try {
            args = CommandLineBuilder.preprocessCommandLineArguments(args);
        } catch (Exception ex) {
            System.err.println("Error: Cannot process arguments: " + ex.getMessage());
            System.exit(1);
        }
        new Main(args);
    }
}