initializing groundhog parameters thru json file. a lot of work still…

… have to be done on #33

groundhog.json

@@ -1,8 +1,8 @@
 {
     "forge": "github",
-    "dest": "C:/groundhog/dest",
-    "out": "C:/groundhog/metrics",
-    "datetime": "2012-07-01_12_00",
+    "dest": "/opt/groundhog/dest",
+    "out": "/opt/groundhog/metrics",
+    "datetime": "2012-07-01 12:00",
     "nprojects": 30,
     "outputformat": "csv",
     "search": {

src/java/main/br/ufpe/cin/groundhog/Project.java

@@ -1,6 +1,7 @@
 package br.ufpe.cin.groundhog;
 
 import japa.parser.ParseException;
+
 import java.text.SimpleDateFormat;
 import java.util.Date;
 

src/java/main/br/ufpe/cin/groundhog/codehistory/GitCodeHistory.java

@@ -39,8 +39,10 @@ public File checkoutToDate(String project, File repositoryFolder, final Date dat
 		try {
 			File projectFolder = new File(FileUtil.getInstance()
 					.createTempDir(), project);
+
 			FileUtil.getInstance().copyDirectory(repositoryFolder,
 					projectFolder);
+
 			this.gitClient.checkout(projectFolder, date);
 			return projectFolder;
 		} catch (Exception e) {

src/java/main/br/ufpe/cin/groundhog/crawler/CrawlGitHub.java

@@ -2,6 +2,7 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.util.Random;
 
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.api.errors.InvalidRemoteException;
@@ -16,7 +17,7 @@
 /**
  * A concrete class to crawl GitHub.
  * 
- * @author fjsj
+ * @author fjsj, gustavopinto
  */
 public class CrawlGitHub extends ForgeCrawler {
 
@@ -32,7 +33,7 @@ public CrawlGitHub(GitClient gitClient, File destinationFolder) {
 	protected File downloadProject(Project project) throws JSONException,
 			IOException, InvalidRemoteException, TransportException,
 			GitAPIException {
-		String projectName = project.getName();
+		String projectName = project.getName() + "_" + new Random().nextInt();
 		String cloneUrl = project.getScmURL();
 		File projectFolder = new File(destinationFolder, projectName);
 

src/java/main/br/ufpe/cin/groundhog/crawler/ForgeCrawler.java

@@ -8,14 +8,14 @@
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 
-import br.ufpe.cin.groundhog.Config;
 import br.ufpe.cin.groundhog.Project;
+import br.ufpe.cin.groundhog.main.JsonInput;
 
 /**
  * An abstract class that defines the forge crawl functionality.
  * A forge crawler downloads projects from a certain forge
  * to a given folder. 
- * @author fjsj
+ * @author fjsj, gustavopinto
  *
  */
 public abstract class ForgeCrawler {
@@ -27,7 +27,7 @@ public abstract class ForgeCrawler {
 	 * @param destinationFolder folder into which projects will be downloaded
 	 */
 	protected ForgeCrawler(File destinationFolder) {
-		ex = Executors.newFixedThreadPool(Config.MAX_NUMBER_OF_THREADS);
+		ex = Executors.newFixedThreadPool(JsonInput.getMaxThreads());
 		this.destinationFolder = destinationFolder;
 	}
 

src/java/main/br/ufpe/cin/groundhog/extractor/DefaultExtractor.java

@@ -11,8 +11,8 @@
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import br.ufpe.cin.groundhog.main.JsonInput;
 import br.ufpe.cin.groundhog.util.FileUtil;
-import br.ufpe.cin.groundhog.Config;
 
 /**
  * Singleton class to extract files and recursively extract all files within a hierarchy of folders.
@@ -45,7 +45,7 @@ private DefaultExtractor() {
 	 * @param destinationFolder the destination folder to which the extracted files will be moved to
 	 */
 	private void recursiveExtract(final File root, File next, final File destinationFolder) {
-		ExecutorService executor = Executors.newFixedThreadPool(Config.MAX_NUMBER_OF_THREADS);
+		ExecutorService executor = Executors.newFixedThreadPool(JsonInput.getMaxThreads());
 		File[] subFiles = next.listFiles();
 		List<Future<?>> futures = new ArrayList<Future<?>>();
 

src/java/main/br/ufpe/cin/groundhog/main/ArgsMain.java

@@ -10,10 +10,10 @@ public static void main(String[] args) {
 		CmdLineParser parser = new CmdLineParser(opt);
 		try {
 			parser.parseArgument(args);
-			System.out.println(opt.getInputFile());
+			new CmdMain().main(opt.getInputFile());
 		} catch (CmdLineException e) {
 			e.printStackTrace();
-			System.err.println("java -jar myprogram.jar [options...] arguments...");
+			System.err.println("java -jar groundhog.jar [options...] arguments...");
 			parser.printUsage(System.err);
 			return;
 		}