001/*
002 * Cobertura - http://cobertura.sourceforge.net/
003 *
004 * Copyright (C) 2003 jcoverage ltd.
005 * Copyright (C) 2005 Mark Doliner
006 * Copyright (C) 2005 Joakim Erdfelt
007 * Copyright (C) 2005 Mark Sinke
008 * Copyright (C) 2005 Grzegorz Lukasik
009 *
010 * Cobertura is free software; you can redistribute it and/or modify
011 * it under the terms of the GNU General Public License as published
012 * by the Free Software Foundation; either version 2 of the License,
013 * or (at your option) any later version.
014 *
015 * Cobertura is distributed in the hope that it will be useful, but
016 * WITHOUT ANY WARRANTY; without even the implied warranty of
017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
018 * General Public License for more details.
019 *
020 * You should have received a copy of the GNU General Public License
021 * along with Cobertura; if not, write to the Free Software
022 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
023 * USA
024 */
025
026package net.sourceforge.cobertura.merge;
027
028import java.io.File;
029import java.util.ArrayList;
030import java.util.Iterator;
031import java.util.List;
032
033import net.sourceforge.cobertura.coveragedata.CoverageDataFileHandler;
034import net.sourceforge.cobertura.coveragedata.ProjectData;
035import net.sourceforge.cobertura.util.CommandLineBuilder;
036import net.sourceforge.cobertura.util.Header;
037
038public class Main
039{
040
041        public Main(String[] args)
042        {
043                File dataFile = CoverageDataFileHandler.getDefaultDataFile();
044                File baseDir = null;
045                List filesToMerge = new ArrayList();
046
047                // Go through all the parameters
048                for (int i = 0; i < args.length; i++)
049                {
050                        if (args[i].equals("--datafile"))
051                                dataFile = new File(args[++i]);
052                        else if (args[i].equals("--basedir"))
053                                baseDir = new File(args[++i]);
054                        else
055                                filesToMerge.add( new File(baseDir, args[i]));
056                }
057
058                // Load coverage data
059                ProjectData projectData = null;
060                if (dataFile.isFile())
061                        projectData = CoverageDataFileHandler.loadCoverageData(dataFile);
062                if (projectData == null)
063                        projectData = new ProjectData();
064
065                if (filesToMerge.isEmpty())
066                {
067                        System.err.println("Error: No files were specified for merging.");
068                        System.exit(1);
069                }
070
071                // Merge everything
072                Iterator iter = filesToMerge.iterator();
073                while (iter.hasNext())
074                {
075                        File newDataFile = (File)iter.next();
076                        ProjectData projectDataNew = CoverageDataFileHandler
077                                        .loadCoverageData(newDataFile);
078                        if (projectDataNew != null)
079                                projectData.merge(projectDataNew);
080                }
081
082                // Save the combined data file
083                CoverageDataFileHandler.saveCoverageData(projectData, dataFile);
084        }
085
086        public static void main(String[] args)
087        {
088                Header.print(System.out);
089
090                try {
091                        args = CommandLineBuilder.preprocessCommandLineArguments( args);
092                } catch( Exception ex) {
093                        System.err.println( "Error: Cannot process arguments: " + ex.getMessage());
094                        System.exit(1);
095                }
096                new Main(args);
097        }
098}