Add doc to Directories.java

src/tools/Directories.java

@@ -1,13 +1,25 @@
 package tools;
 
+/** Helper to get application directories.
+ * @author	Louis Royer
+ * @author	Flavien Haas
+ * @author	JS Auge
+ * @version	1.0
+ */
 public class Directories {
 	private String projectName;
 	private String dataHomeDirectory;
-	
+
+	/** Constructor with projectName parameter.
+	 * @param projectName	name of the project
+	 */
 	public Directories(String projectName) {
 		this.projectName = projectName;
 		setDataHomeDirectory();
 	}
+
+	/** Setter for dataHomeDirectory. Will create the directory if not already exists.
+	 */
 	private void setDataHomeDirectory() {
 		/* Follow XDG Base Directory Specification
 		 * https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
@@ -31,6 +43,9 @@ public class Directories {
 		dataHomeDirectory = d;
 	}
 
+	/** Getter for dataHomeDirectory.
+	 * @return	path to the application home directory
+	 */
 	public String getDataHomeDirectory() {
 		return dataHomeDirectory();
 	}