/*

  * 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);

         }

 }