From 573b5e48d2e6ca35295c200c787ce149218cd752 Mon Sep 17 00:00:00 2001
From: Matthias Guillitte <matthias@guillitte.com>
Date: Wed, 29 Oct 2025 13:13:53 +0100
Subject: [PATCH] =?UTF-8?q?Our=20code=20=E2=98=AD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/common/Logger.java        | 21 ++++++++++++++++
 src/main/java/common/SocketManager.java | 19 ++++++++++++++
 src/main/java/step1/Main.java           | 33 ++++---------------------
 3 files changed, 45 insertions(+), 28 deletions(-)
 create mode 100644 src/main/java/common/Logger.java
 create mode 100644 src/main/java/common/SocketManager.java

diff --git a/src/main/java/common/Logger.java b/src/main/java/common/Logger.java
new file mode 100644
index 0000000..d8218c9
--- /dev/null
+++ b/src/main/java/common/Logger.java
@@ -0,0 +1,21 @@
+package common;
+
+public class Logger {
+    public static void displayInfo(String message){
+        final String BLUE = "\u001B[34m";
+        final String RESET = "\u001B[0m";
+        System.out.println(BLUE + "Info >>> " + message + RESET);
+    }
+
+    public static void displayReceived(String message){
+        String GREEN = "\u001B[32m";
+        String RESET = "\u001B[0m";
+        System.out.println(GREEN + "Received >>> " + message + RESET);
+    }
+
+    public static void displaySent(String message){
+        final String RED = "\u001B[31m";
+        final String RESET = "\u001B[0m";
+        System.out.println(RED + "Sent >>> " + message + RESET);
+    }
+}
diff --git a/src/main/java/common/SocketManager.java b/src/main/java/common/SocketManager.java
new file mode 100644
index 0000000..b4b4113
--- /dev/null
+++ b/src/main/java/common/SocketManager.java
@@ -0,0 +1,19 @@
+package common;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.net.Socket;
+import java.nio.charset.StandardCharsets;
+
+public class SocketManager {
+    public static void send(Socket socket, String data) throws IOException {
+        OutputStream output = socket.getOutputStream();
+        output.write(String.format("%s\r\n", data).getBytes(StandardCharsets.UTF_8));
+        output.flush();
+    }
+
+    public static String readResponse(BufferedReader reader) throws IOException {
+        return reader.readLine();
+    }
+}
diff --git a/src/main/java/step1/Main.java b/src/main/java/step1/Main.java
index b003496..4c315e9 100644
--- a/src/main/java/step1/Main.java
+++ b/src/main/java/step1/Main.java
@@ -13,6 +13,11 @@ import java.security.NoSuchAlgorithmException;
 import java.security.NoSuchProviderException;
 import java.security.SecureRandom;
 import java.util.Base64;
+import static common.Logger.displayInfo;
+import static common.Logger.displayReceived;
+import static common.Logger.displaySent;
+import static common.SocketManager.send;
+import static common.SocketManager.readResponse;
 
 public class Main {
 
@@ -87,34 +92,6 @@ public class Main {
         }
     }
 
-    public static void displayInfo(String message){
-        final String BLUE = "\u001B[34m";
-        final String RESET = "\u001B[0m";
-        System.out.println(BLUE + "Info >>> " + message + RESET);
-    }
-
-    public static void displayReceived(String message){
-        String GREEN = "\u001B[32m";
-        String RESET = "\u001B[0m";
-        System.out.println(GREEN + "Received >>> " + message + RESET);
-    }
-
-    public static void displaySent(String message){
-        final String RED = "\u001B[31m";
-        final String RESET = "\u001B[0m";
-        System.out.println(RED + "Sent >>> " + message + RESET);
-    }
-
-    public static void send(Socket socket, String data) throws IOException {
-        OutputStream output = socket.getOutputStream();
-        output.write(String.format("%s\r\n", data).getBytes(StandardCharsets.UTF_8));
-        output.flush();
-    }
-
-    public static String readResponse(BufferedReader reader) throws IOException {
-        return reader.readLine();
-    }
-
     public static SecretKey get3DESKey() throws NoSuchAlgorithmException, NoSuchProviderException {
         KeyGenerator keyGen = KeyGenerator.getInstance(ALGORITHM, PROVIDER);
         keyGen.init(new SecureRandom());