diff --git a/build.xml b/build.xml
index 96d2fe7..9f6b1a4 100644
--- a/build.xml
+++ b/build.xml
@@ -31,11 +31,13 @@
         <mkdir dir="bin"/>
         <copy includeemptydirs="false" todir="bin">
             <fileset dir="src">
+                <exclude name="**/*.launch"/>
                 <exclude name="**/*.java"/>
             </fileset>
         </copy>
         <copy includeemptydirs="false" todir="bin">
             <fileset dir="test">
+                <exclude name="**/*.launch"/>
                 <exclude name="**/*.java"/>
             </fileset>
         </copy>
diff --git a/src/org/dclermonte/siba/gui/AboutDialog.java b/src/org/dclermonte/siba/gui/AboutDialog.java
index c4a4c51..0db09e2 100644
--- a/src/org/dclermonte/siba/gui/AboutDialog.java
+++ b/src/org/dclermonte/siba/gui/AboutDialog.java
@@ -55,6 +55,7 @@ public class AboutDialog extends JDialog
 	 * This is the constructor for the dialog.
 	 *
 	 * @throws IOException
+	 *             IOException
 	 */
 	public AboutDialog() throws IOException
 	{
diff --git a/src/org/dclermonte/siba/gui/BackupPanel.java b/src/org/dclermonte/siba/gui/BackupPanel.java
index fea5e44..d4070ed 100644
--- a/src/org/dclermonte/siba/gui/BackupPanel.java
+++ b/src/org/dclermonte/siba/gui/BackupPanel.java
@@ -60,6 +60,9 @@ public class BackupPanel extends JPanel
 
 	/**
 	 * This is the constructor for this panel.
+	 *
+	 * @throws SibaException
+	 *             specific exception
 	 */
 	public BackupPanel() throws SibaException
 	{
@@ -207,6 +210,7 @@ public class BackupPanel extends JPanel
 	/**
 	 *
 	 * @param sourceDirectory
+	 *            the source Directory
 	 */
 	public void setSourceDirectory(final String sourceDirectory)
 	{
diff --git a/src/org/dclermonte/siba/gui/CheckDirectorySelector.java b/src/org/dclermonte/siba/gui/CheckDirectorySelector.java
index 581ea1e..1e22f6f 100644
--- a/src/org/dclermonte/siba/gui/CheckDirectorySelector.java
+++ b/src/org/dclermonte/siba/gui/CheckDirectorySelector.java
@@ -26,6 +26,7 @@ public class CheckDirectorySelector extends JFileChooser
 	/**
 	 *
 	 * @param targetFile
+	 *            target file
 	 */
 	public CheckDirectorySelector(final File targetFile)
 	{
@@ -89,7 +90,10 @@ public class CheckDirectorySelector extends JFileChooser
 	 * This method is the main one of the selector.
 	 *
 	 * @param parent
-	 * @return
+	 *            The parent's component
+	 * @param targetFile
+	 *            target file
+	 * @return the selected file
 	 */
 	public static File showSelectorDialog(final Component parent, final File targetFile)
 	{
diff --git a/src/org/dclermonte/siba/gui/CheckPanel.java b/src/org/dclermonte/siba/gui/CheckPanel.java
index b513981..6ea5b73 100644
--- a/src/org/dclermonte/siba/gui/CheckPanel.java
+++ b/src/org/dclermonte/siba/gui/CheckPanel.java
@@ -62,6 +62,8 @@ public class CheckPanel extends JPanel
 
 	/**
 	 *
+	 * @throws SibaException
+	 *             specific exception
 	 */
 	public CheckPanel() throws SibaException
 	{
@@ -168,6 +170,7 @@ public class CheckPanel extends JPanel
 	/**
 	 *
 	 * @param sourceDirectory
+	 *            the source directory
 	 */
 	public void setFileToCheck(final String sourceDirectory)
 	{
diff --git a/src/org/dclermonte/siba/gui/SibaGUI.java b/src/org/dclermonte/siba/gui/SibaGUI.java
index 2102686..39b42d9 100644
--- a/src/org/dclermonte/siba/gui/SibaGUI.java
+++ b/src/org/dclermonte/siba/gui/SibaGUI.java
@@ -321,6 +321,7 @@ public final class SibaGUI
 	 * This method set the local language.
 	 *
 	 * @param source
+	 *            locale
 	 */
 	public static void updateLanguage(final Locale source)
 	{
diff --git a/src/org/dclermonte/siba/gui/SourceDirectorySelector.java b/src/org/dclermonte/siba/gui/SourceDirectorySelector.java
index 728830a..d4af083 100644
--- a/src/org/dclermonte/siba/gui/SourceDirectorySelector.java
+++ b/src/org/dclermonte/siba/gui/SourceDirectorySelector.java
@@ -23,6 +23,8 @@ public class SourceDirectorySelector extends JFileChooser
 
 	/**
 	 *
+	 * @param targetFile
+	 *            target file
 	 */
 	public SourceDirectorySelector(final File targetFile)
 	{
@@ -85,7 +87,10 @@ public class SourceDirectorySelector extends JFileChooser
 	 * This method is the main one of the selector.
 	 *
 	 * @param parent
-	 * @return
+	 *            the parent's component
+	 * @param targetFile
+	 *            target file
+	 * @return the selected file
 	 */
 	public static File showSelectorDialog(final Component parent, final File targetFile)
 	{
diff --git a/src/org/dclermonte/siba/gui/TargetDirectorySelector.java b/src/org/dclermonte/siba/gui/TargetDirectorySelector.java
index 1a5fde0..088c4f7 100644
--- a/src/org/dclermonte/siba/gui/TargetDirectorySelector.java
+++ b/src/org/dclermonte/siba/gui/TargetDirectorySelector.java
@@ -23,6 +23,8 @@ public class TargetDirectorySelector extends JFileChooser
 
 	/**
 	 *
+	 * @param targetFile
+	 *            target file
 	 */
 	public TargetDirectorySelector(final File targetFile)
 	{
@@ -87,7 +89,10 @@ public class TargetDirectorySelector extends JFileChooser
 	 * This method is the main one of the selector.
 	 *
 	 * @param parent
-	 * @return
+	 *            the parent's component
+	 * @param targetFile
+	 *            target file
+	 * @return the selected file
 	 */
 	public static File showSelectorDialog(final Component parent, final File targetFile)
 	{
diff --git a/src/org/dclermonte/siba/model/SibaUtils.java b/src/org/dclermonte/siba/model/SibaUtils.java
index 091c1a7..40419a1 100644
--- a/src/org/dclermonte/siba/model/SibaUtils.java
+++ b/src/org/dclermonte/siba/model/SibaUtils.java
@@ -55,9 +55,11 @@ public final class SibaUtils
 	 *            the file on which the md5 is calculate
 	 * @param target
 	 *            the MD5 file
-	 * @return
+	 * @return the MD5 file
 	 * @throws IOException
+	 *             IOException
 	 * @throws NoSuchAlgorithmException
+	 *             NoSuchAlgorithmException
 	 */
 	public static File createMD5File(final File inputFile, final String target)
 			throws IOException, NoSuchAlgorithmException
@@ -75,10 +77,14 @@ public final class SibaUtils
 	/**
 	 *
 	 * @param md5
+	 *            Hash MD5
 	 * @param fileName
+	 *            The name of the file
 	 * @param target
-	 * @return
+	 *            directory to put the file
+	 * @return The MD5 file
 	 * @throws IOException
+	 *             IOexception
 	 */
 	public static File createMD5File(final String md5, final String fileName, final String target) throws IOException
 	{
@@ -107,8 +113,10 @@ public final class SibaUtils
 	/**
 	 *
 	 * @param choosenFile
-	 * @return
+	 *            the file to check
+	 * @return The MD5sum
 	 * @throws IOException
+	 *             IOException
 	 */
 	public static String loadMD5Sum(final File choosenFile) throws IOException
 	{
@@ -141,9 +149,12 @@ public final class SibaUtils
 	 * This method calculate the MD5 itself.
 	 *
 	 * @param input
-	 * @return
+	 *            The name of the file for witch the MD5 sum is to calculate
+	 * @return The MD5Sum
 	 * @throws IOException
+	 *             IOException
 	 * @throws NoSuchAlgorithmException
+	 *             NoSuchAlgorithmException
 	 */
 	public static String md5(final File input) throws IOException, NoSuchAlgorithmException
 	{
@@ -192,8 +203,10 @@ public final class SibaUtils
 	/**
 	 *
 	 * @param choosenFile
-	 * @return
+	 *            The MD5file
+	 * @return the file to check
 	 * @throws IOException
+	 *             IOException
 	 */
 	public static File readFileNameToCheck(final File choosenFile) throws IOException
 	{
@@ -234,8 +247,11 @@ public final class SibaUtils
 
 	/**
 	 *
-	 * @return
+	 * @param resource
+	 *            the resource to read
+	 * @return the string of the resource
 	 * @throws IOException
+	 *             IOException
 	 */
 	public static String readResource(final String resource) throws IOException
 	{
@@ -250,8 +266,11 @@ public final class SibaUtils
 	/**
 	 *
 	 * @param fileToSave
+	 *            The directory to backup
 	 * @param outputStream
+	 *            local Stream
 	 * @throws IOException
+	 *             IOException
 	 */
 	public static void tarDirectoryTree(final File fileToSave, final TarArchiveOutputStream outputStream)
 			throws IOException
@@ -265,9 +284,13 @@ public final class SibaUtils
 	 * This method generates ArchiveEntry.
 	 *
 	 * @param directory
+	 *            The actual directory being archived
 	 * @param outputStream
+	 *            local stream
 	 * @param pathLength
+	 *            used to select the starting directory
 	 * @throws IOException
+	 *             IOException
 	 */
 	public static void tarDirectoryTree(final File directory, final TarArchiveOutputStream outputStream,
 			final int pathLength) throws IOException