Add functionnality openning in finder

src/clientP2P/ClientP2P.java

@@ -1,16 +1,28 @@
 package clientP2P;
 import clientP2P.ClientManagementUDP;
 import tools.Directories;
+import java.util.Scanner;
 
 public class ClientP2P {
 	private String host;
 	private int port;
 	private String dataHomeDirectory;
 	public ClientP2P() {
+		Directories d = new Directories("P2P_JAVA_PROJECT_CLIENT");
+		String os = System.getProperty("os.name");
+
 		host = "localhost";
 		port = 40000;
-		dataHomeDirectory = new Directories("P2P_JAVA_PROJECT_CLIENT").getDataHomeDirectory();
-		System.out.println("Client will try to contact server at " + host + " on port " + port + ". It will save files in " + dataHomeDirectory); 
+		dataHomeDirectory = d.getDataHomeDirectory();
+		System.out.println("Client will try to contact server at " + host + " on port " + port + ". It will save files in " + dataHomeDirectory);
+		if (os.equals("Linux")||os.equals("Mac")||os.equals("Mac OS X")) {
+			System.out.println("Do you want to open this directory? (y/N)");
+			Scanner scanner = new Scanner(System.in);
+			String resp = scanner.nextLine();
+			if (resp == "y" || resp == "Y") {
+				d.openDataHomeDirectory();
+			}
+		}
 	}
 
 	public static void main(String [] args) {

src/tools/Directories.java

@@ -1,5 +1,8 @@
 package tools;
 import java.io.File;
+import java.lang.Runtime;
+import java.io.IOException;
+
 
 /** Helper to get application directories.
  * @author	Louis Royer
@@ -51,7 +54,20 @@ public class Directories {
 	public String getDataHomeDirectory() {
 		return dataHomeDirectory;
 	}
-	
+
+	public void openDataHomeDirectory() {
+		try {
+			String os = System.getProperty("os.name");
+
+			if (os.equals("Linux")) {
+				Runtime runtime = Runtime.getRuntime();
+				runtime.exec(new String[] { "xdg-open", dataHomeDirectory });
+			} else if (os.equals("Mac")||os.equals("Mac OS X")) {
+				Runtime runtime = Runtime.getRuntime();
+				runtime.exec(new String[] { "open", dataHomeDirectory });
+			}
+		} catch (IOException e) {}
+	}
 	
 
 }