FEAT: Interface

.idea/workspace.xml

@@ -2,18 +2,17 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="79e91d13-7d5f-4b9a-954b-9bc7cde074fc" name="Changes" comment="">
-      <change afterPath="$PROJECT_DIR$/src/client/ListenThread.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/ui/FenetreClient.form" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/serveur/Server.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/ui/FenetreClient.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/serveur/ThreadServer.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/ui/FenetreErreur.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/test/utils/ResolutionDeNomTest.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/ui/FenetreServeur.form" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/ui/FenetreServeur.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/key.ser" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/projet-mini-chat.iml" beforeDir="false" afterPath="$PROJECT_DIR$/projet-mini-chat.iml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/client/Client.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/client/Client.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/reseau/AES.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/utils/AES.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/client/ListenThread.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/client/ListenThread.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/reseau/RSA.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/utils/RSA.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/serveur/Server.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/server/Server.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/reseau/ResolutionDeNom.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/utils/ResolutionDeNom.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/serveur/ThreadServer.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/server/ThreadServer.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/serveur/Serveur.java" beforeDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -43,31 +42,32 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent"><![CDATA[{
+  <component name="PropertiesComponent">{
-  "keyToString": {
+  &quot;keyToString&quot;: {
-    "Downloaded.Files.Path.Enabled": "false",
+    &quot;Downloaded.Files.Path.Enabled&quot;: &quot;false&quot;,
-    "Repository.Attach.Annotations": "false",
+    &quot;Repository.Attach.Annotations&quot;: &quot;false&quot;,
-    "Repository.Attach.JavaDocs": "false",
+    &quot;Repository.Attach.JavaDocs&quot;: &quot;false&quot;,
-    "Repository.Attach.Sources": "false",
+    &quot;Repository.Attach.Sources&quot;: &quot;false&quot;,
-    "RunOnceActivity.OpenProjectViewOnStart": "true",
+    &quot;RunOnceActivity.OpenProjectViewOnStart&quot;: &quot;true&quot;,
-    "RunOnceActivity.ShowReadmeOnStart": "true",
+    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
-    "WebServerToolWindowFactoryState": "false",
+    &quot;WebServerToolWindowFactoryState&quot;: &quot;false&quot;,
-    "codeWithMe.voiceChat.enabledByDefault": "false",
+    &quot;codeWithMe.voiceChat.enabledByDefault&quot;: &quot;false&quot;,
-    "com.intellij.testIntegration.createTest.CreateTestDialog.defaultLibrary": "JUnit5",
+    &quot;com.intellij.testIntegration.createTest.CreateTestDialog.defaultLibrary&quot;: &quot;JUnit5&quot;,
-    "com.intellij.testIntegration.createTest.CreateTestDialog.defaultLibrarySuperClass.JUnit5": "",
+    &quot;com.intellij.testIntegration.createTest.CreateTestDialog.defaultLibrarySuperClass.JUnit5&quot;: &quot;&quot;,
-    "create.test.in.the.same.root": "true",
+    &quot;create.test.in.the.same.root&quot;: &quot;true&quot;,
-    "last_opened_file_path": "/Users/lucas/Documents/GitHub/projet-mini-chat/src/serveur",
+    &quot;last_opened_file_path&quot;: &quot;/Users/lucas/Documents/GitHub/projet-mini-chat/src/serveur&quot;,
-    "project.structure.last.edited": "Modules",
+    &quot;project.structure.last.edited&quot;: &quot;Modules&quot;,
-    "project.structure.proportion": "0.15",
+    &quot;project.structure.proportion&quot;: &quot;0.15&quot;,
-    "project.structure.side.proportion": "0.2",
+    &quot;project.structure.side.proportion&quot;: &quot;0.2&quot;,
-    "settings.editor.selected.configurable": "preferences.lookFeel"
+    &quot;settings.editor.selected.configurable&quot;: &quot;preferences.lookFeel&quot;
   }
-}]]></component>
+}</component>
   <component name="RecentsManager">
     <key name="CopyFile.RECENT_KEYS">
       <recent name="$PROJECT_DIR$/src/serveur" />
     </key>
     <key name="MoveFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/src/ui" />
       <recent name="$PROJECT_DIR$/src/client" />
     </key>
     <key name="CreateTestDialog.Recents.Supers">
@@ -77,20 +77,7 @@
       <recent name="utils" />
     </key>
   </component>
-  <component name="RunManager" selected="Application.Client">
+  <component name="RunManager" selected="Application.FenetreServeur">
-    <configuration name="Client (1)" type="Application" factoryName="Application" nameIsGenerated="true">
-      <option name="MAIN_CLASS_NAME" value="client.Client" />
-      <module name="projet-mini-chat" />
-      <extension name="coverage">
-        <pattern>
-          <option name="PATTERN" value="client.*" />
-          <option name="ENABLED" value="true" />
-        </pattern>
-      </extension>
-      <method v="2">
-        <option name="Make" enabled="true" />
-      </method>
-    </configuration>
     <configuration name="Client" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
       <option name="MAIN_CLASS_NAME" value="client.Client" />
       <module name="projet-mini-chat" />
@@ -104,12 +91,12 @@
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="Client" type="Application" factoryName="Application" nameIsGenerated="true">
+    <configuration name="FenetreServeur" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
-      <option name="MAIN_CLASS_NAME" value="client.Client" />
+      <option name="MAIN_CLASS_NAME" value="ui.FenetreServeur" />
       <module name="projet-mini-chat" />
       <extension name="coverage">
         <pattern>
-          <option name="PATTERN" value="client.*" />
+          <option name="PATTERN" value="ui.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
@@ -118,11 +105,37 @@
       </method>
     </configuration>
     <configuration name="Server" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
-      <option name="MAIN_CLASS_NAME" value="serveur.Server" />
+      <option name="MAIN_CLASS_NAME" value="server.Server" />
       <module name="projet-mini-chat" />
       <extension name="coverage">
         <pattern>
-          <option name="PATTERN" value="serveur.*" />
+          <option name="PATTERN" value="server.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="ui.FenetreClient (1)" type="Application" factoryName="Application" nameIsGenerated="true">
+      <option name="MAIN_CLASS_NAME" value="ui.FenetreClient" />
+      <module name="projet-mini-chat" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="ui.*" />
+          <option name="ENABLED" value="true" />
+        </pattern>
+      </extension>
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="ui.FenetreClient" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
+      <option name="MAIN_CLASS_NAME" value="ui.FenetreClient" />
+      <module name="projet-mini-chat" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="ui.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
@@ -147,16 +160,20 @@
       </method>
     </configuration>
     <list>
+      <item itemvalue="Application.ui.FenetreClient (1)" />
       <item itemvalue="Application.Client" />
-      <item itemvalue="Application.Client (1)" />
+      <item itemvalue="Application.FenetreServeur" />
+      <item itemvalue="Application.ui.FenetreClient" />
       <item itemvalue="Application.Server" />
       <item itemvalue="JUnit.ResolutionDeNomTest.getIPAddress" />
     </list>
     <recent_temporary>
       <list>
+        <item itemvalue="Application.FenetreServeur" />
+        <item itemvalue="Application.ui.FenetreClient" />
+        <item itemvalue="Application.Client" />
         <item itemvalue="Application.Server" />
         <item itemvalue="Application.Client" />
-        <item itemvalue="JUnit.ResolutionDeNomTest.getIPAddress" />
       </list>
     </recent_temporary>
   </component>
@@ -171,7 +188,7 @@
       <workItem from="1668515476841" duration="6049000" />
       <workItem from="1669119772164" duration="6834000" />
       <workItem from="1669724625302" duration="6630000" />
-      <workItem from="1670230395395" duration="11270000" />
+      <workItem from="1670230395395" duration="19588000" />
     </task>
     <servers />
   </component>

README.md

@@ -2,7 +2,7 @@
 
 ## Avant la communication
 Utiliser le RSA, avant toute communication. 
-Le client et le serveur génèrent 2 clés (une publique et une privées)
+Le client et le server génèrent 2 clés (une publique et une privées)
 Ils s'échangent leurs clé publiques.
 
 ![img](https://upload.wikimedia.org/wikipedia/commons/thumb/0/01/Asymmetric_cryptography_-_step_1.svg/800px-Asymmetric_cryptography_-_step_1.svg.png)

src/client/Client.java

@@ -1,8 +1,11 @@
 package client;
 
+import ui.FenetreClient;
+import ui.FenetreErreur;
 import utils.RSA;
 import utils.ResolutionDeNom;
 
+import javax.swing.*;
 import java.io.EOFException;
 import java.io.IOException;
 import java.io.ObjectInputStream;
@@ -11,56 +14,90 @@ import java.net.ConnectException;
 import java.net.Socket;
 import java.security.KeyPair;
 import java.security.PublicKey;
+import java.util.ArrayList;
 import java.util.Objects;
 import java.util.Scanner;
 
-public class Client {
+public class Client extends Thread{
 
     private final String SERVER_IP;
     private final int SERVER_PORT;
+    private final FenetreClient fenetre;
+    private String pseudo;
+
     private final Scanner scanner;
-    private ObjectInputStream inputStream;
-    private ObjectOutputStream outputStream;
     private KeyPair clientKeys;
     private PublicKey serverKey;
 
-    private String pseudo;
+    private ObjectInputStream inputStream;
+    private ObjectOutputStream outputStream;
 
-    public Client(String ip, int port) {
+    private ArrayList<String> fileAttenteMessage;
+
+    public Client(String ip, int port, String pseudo) {
         this.SERVER_IP = ResolutionDeNom.getIPAddress(ip);
         this.SERVER_PORT = port;
+        this.pseudo = pseudo;
+        this.fenetre = null;
+
         this.scanner = new Scanner(System.in);
         this.clientKeys = RSA.genererCle();
+
+        this.fileAttenteMessage = new ArrayList<>();
     }
 
-    public void start() {
+    public Client(String ip, int port, String pseudo, FenetreClient fenetre) {
-        System.out.print("Saisir un pseudo: ");
+        this.SERVER_IP = ResolutionDeNom.getIPAddress(ip);
-        pseudo = scanner.nextLine();
+        this.SERVER_PORT = port;
+        this.pseudo = pseudo;
+        this.fenetre = fenetre;
+
+        this.scanner = new Scanner(System.in);
+        this.clientKeys = RSA.genererCle();
+
+        this.fileAttenteMessage = new ArrayList<>();
+    }
+
+    @Override
+    public void run() {
+        if (pseudo == null) {
+            System.out.print("Pseudo: ");
+            pseudo = scanner.nextLine();
+        }
 
         try (Socket socket = new Socket(SERVER_IP, SERVER_PORT)) {
             inputStream = new ObjectInputStream(socket.getInputStream());
             outputStream = new ObjectOutputStream(socket.getOutputStream());
 
             exchangeKeys();
-
             sendMessage(pseudo);
 
             // Ecoute du serveur
-            ListenThread threadClient = new ListenThread(this);
+            ListenThread threadClient = new ListenThread(this, fenetre);
             threadClient.start();
 
             // Ecoute de l'entrée du clavier
-            System.out.println("Tappez 'bye' pour quitter\n");
+            System.out.println("Tapez 'bye' pour quitter\n");
-            String message;
+            String message = "";
             do {
-                message = scanner.nextLine();
+                if (fileAttenteMessage.size() > 0) {
-                sendMessage(message);
+                    message = fileAttenteMessage.remove(0);
+                    sendMessage(message);
+                }
             } while (!Objects.equals(message, "bye"));
 
         } catch (ConnectException e) {
-            System.err.println("Serveur non trouvé");
+            System.err.println("Serveur non trouvé"); // TODO throw error
-        }catch (EOFException e) {
+            if (fenetre != null) {
-            System.err.println("Connexion perdue");
+                new FenetreErreur("Serveur non trouvé", fenetre);
+                fenetre.deconnexion();
+            }
+        } catch (EOFException e) {
+            System.err.println("Connexion perdue"); // TODO throw error
+            if (fenetre != null) {
+                new FenetreErreur("Connexion perdue", fenetre);
+                fenetre.deconnexion();
+            }
         } catch (IOException | ClassNotFoundException e) {
             e.printStackTrace();
         }
@@ -84,9 +121,11 @@ public class Client {
         return RSA.decrypter(messageCrypte, clientKeys.getPrivate());
     }
 
-
+    /**
-    public static void main(String[] args) {
+     * Ajoute un message à la file d'attente
-        Client client = new Client("localhost", 4444);
+     * @param message
-        client.start();
+     */
+    public void addMessage(String message) {
+        this.fileAttenteMessage.add(message);
     }
 }

src/client/ListenThread.java

@@ -1,5 +1,8 @@
 package client;
 
+import ui.FenetreClient;
+import ui.FenetreErreur;
+
 import java.io.EOFException;
 import java.io.IOException;
 import java.net.SocketException;
@@ -10,9 +13,16 @@ import java.net.SocketException;
 public class ListenThread extends Thread {
 
     private final Client client;
+    private final FenetreClient fenetre;
 
     public ListenThread(Client client) {
         this.client = client;
+        this.fenetre = null;
+    }
+
+    public ListenThread(Client client, FenetreClient fenetre) {
+        this.client = client;
+        this.fenetre = fenetre;
     }
 
     @Override
@@ -23,11 +33,18 @@ public class ListenThread extends Thread {
             while (true) {
                 message = client.getMessage();
                 System.out.println(message);
+                if (fenetre != null) {
+                    fenetre.displayNewMessage(message);
+                }
             }
         } catch (SocketException ignored) {
             System.out.println("Vous avez quitté le salon");
         } catch (EOFException ignored) {
             System.err.println("Connexion perdue");
+            if (fenetre != null) {
+                new FenetreErreur("Connexion perdue", fenetre);
+                fenetre.deconnexion();
+            }
         }catch (IOException | ClassNotFoundException e) {
             e.printStackTrace();
         }

src/server/Server.java

@@ -1,27 +1,45 @@
-package serveur;
+package server;
+
+import ui.FenetreServeur;
 
 import java.net.ServerSocket;
 import java.net.Socket;
 import java.util.ArrayList;
 
-public class Server {
+public class Server extends Thread{
 
     private final int PORT;
     private final ArrayList<ThreadServer> threads;
+    private final FenetreServeur fenetre;
 
     public Server(int port) {
         this.PORT = port;
         this.threads = new ArrayList<>();
+
+        this.fenetre = null;
     }
 
-    public void start() {
+    public Server(int port, FenetreServeur fenetre) {
+        this.PORT = port;
+        this.fenetre = fenetre;
+        this.threads = new ArrayList<>();
+    }
+
+    @Override
+    public void run() {
         try (ServerSocket serversocket = new ServerSocket(PORT)) {
-            System.out.println("Server is started...");
+            String msg = "Serveur démarré !";
+            System.out.println(msg);
+            fenetre.displayNewMessage(msg);
+
             while (true) {
                 Socket socket = serversocket.accept();
-                System.out.printf("Nouvelle connexion : %s\n", socket);
 
-                ThreadServer thread = new ThreadServer(socket, threads);
+                String connexionMessage = String.format("Nouvelle connexion : %s\n", socket);
+                System.out.printf(connexionMessage);
+                fenetre.displayNewMessage(connexionMessage);
+
+                ThreadServer thread = new ThreadServer(socket, threads, fenetre);
 
                 threads.add(thread);
                 thread.start();

src/server/ThreadServer.java

@@ -1,5 +1,6 @@
-package serveur;
+package server;
 
+import ui.FenetreServeur;
 import utils.RSA;
 
 import java.io.*;
@@ -16,11 +17,22 @@ public class ThreadServer extends Thread {
     private final ObjectInputStream inputStream;
     private final ObjectOutputStream outputStream;
     private final KeyPair serverKeys;
+    private final FenetreServeur fenetre;
     private PublicKey clientKey;
     private String clientPseudo;
 
     public ThreadServer(Socket socket, ArrayList<ThreadServer> threads) throws IOException {
         this.threads = threads;
+        this.fenetre = null;
+        this.outputStream = new ObjectOutputStream(socket.getOutputStream());
+        this.inputStream = new ObjectInputStream(socket.getInputStream());
+
+        this.serverKeys = RSA.genererCle();
+    }
+
+    public ThreadServer(Socket socket, ArrayList<ThreadServer> threads, FenetreServeur fenetre) throws IOException {
+        this.threads = threads;
+        this.fenetre = fenetre;
         this.outputStream = new ObjectOutputStream(socket.getOutputStream());
         this.inputStream = new ObjectInputStream(socket.getInputStream());
 
@@ -43,6 +55,8 @@ public class ThreadServer extends Thread {
 
                 sendMessageToEveryone(reply, true);
             } while (!Objects.equals(message, "bye"));
+        } catch (EOFException e) {
+            System.out.printf("%s c'est déconnecté\n", clientPseudo);
         } catch (IOException | ClassNotFoundException e) {
             e.printStackTrace();
         } finally {
@@ -53,6 +67,7 @@ public class ThreadServer extends Thread {
                 e.printStackTrace();
             }
         }
+
     }
 
     public void exchangeKeys() throws IOException, ClassNotFoundException {
@@ -63,7 +78,7 @@ public class ThreadServer extends Thread {
         outputStream.writeObject(serverKeys.getPublic());
     }
 
-    public String getMessage() throws IOException, ClassNotFoundException {
+    public String getMessage() throws EOFException, IOException, ClassNotFoundException {
         byte[] messageCrypte = (byte[]) inputStream.readObject();
         return RSA.decrypter(messageCrypte, serverKeys.getPrivate());
     }
@@ -72,6 +87,7 @@ public class ThreadServer extends Thread {
         byte[] messageCrypte = RSA.encrypter(message, clientKey);
         outputStream.writeObject(messageCrypte);
         if (log) System.out.println(message);
+        if (log && fenetre != null) {fenetre.displayNewMessage(message);}
     }
 
     public void sendMessageToEveryone(String message, boolean log) throws IOException {
@@ -79,5 +95,6 @@ public class ThreadServer extends Thread {
             thread.sendMessage(message, false);
         }
         if (log) System.out.println(message);
+        if (log && fenetre != null) {fenetre.displayNewMessage(message);}
     }
 }

src/ui/FenetreClient.form

@@ -0,0 +1,132 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="ui.FenetreClient">
+  <grid id="27dc6" binding="mainPanel" layout-manager="GridLayoutManager" row-count="2" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+    <margin top="0" left="0" bottom="0" right="0"/>
+    <constraints>
+      <xy x="20" y="20" width="500" height="400"/>
+    </constraints>
+    <properties/>
+    <border type="none"/>
+    <children>
+      <grid id="af8da" layout-manager="GridLayoutManager" row-count="3" column-count="4" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+        <margin top="0" left="0" bottom="0" right="0"/>
+        <constraints>
+          <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+        <border type="none"/>
+        <children>
+          <component id="8f6a0" class="javax.swing.JLabel">
+            <constraints>
+              <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="Adresse"/>
+            </properties>
+          </component>
+          <component id="979dd" class="javax.swing.JTextField" binding="addressInput">
+            <constraints>
+              <grid row="0" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
+                <preferred-size width="150" height="-1"/>
+              </grid>
+            </constraints>
+            <properties>
+              <text value="localhost"/>
+            </properties>
+          </component>
+          <component id="3866c" class="javax.swing.JLabel">
+            <constraints>
+              <grid row="0" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="Port"/>
+            </properties>
+          </component>
+          <component id="d4bf0" class="javax.swing.JTextField" binding="portInput">
+            <constraints>
+              <grid row="0" column="3" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
+                <preferred-size width="150" height="-1"/>
+              </grid>
+            </constraints>
+            <properties>
+              <text value="4444"/>
+            </properties>
+          </component>
+          <component id="da4ff" class="javax.swing.JLabel">
+            <constraints>
+              <grid row="1" column="0" row-span="2" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="Pseudo"/>
+            </properties>
+          </component>
+          <component id="e0303" class="javax.swing.JTextField" binding="pseudoInput">
+            <constraints>
+              <grid row="1" column="1" row-span="2" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
+                <preferred-size width="150" height="-1"/>
+              </grid>
+            </constraints>
+            <properties>
+              <text value=""/>
+            </properties>
+          </component>
+          <component id="99a04" class="javax.swing.JButton" binding="connexionButton" default-binding="true">
+            <constraints>
+              <grid row="1" column="3" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="Connexion"/>
+            </properties>
+          </component>
+          <component id="6a7bf" class="javax.swing.JButton" binding="deconnexionButton" default-binding="true">
+            <constraints>
+              <grid row="2" column="3" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="Deconnexion"/>
+            </properties>
+          </component>
+        </children>
+      </grid>
+      <grid id="e6a97" layout-manager="GridLayoutManager" row-count="2" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+        <margin top="0" left="0" bottom="0" right="0"/>
+        <constraints>
+          <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+        <border type="none"/>
+        <children>
+          <component id="6ebb0" class="javax.swing.JTextField" binding="messageInput">
+            <constraints>
+              <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
+                <preferred-size width="150" height="-1"/>
+              </grid>
+            </constraints>
+            <properties/>
+          </component>
+          <component id="5a09a" class="javax.swing.JButton" binding="envoyerButton" default-binding="true">
+            <constraints>
+              <grid row="1" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="Envoyer"/>
+            </properties>
+          </component>
+          <scrollpane id="dd73a" binding="scrollPane">
+            <constraints>
+              <grid row="0" column="0" row-span="1" col-span="2" vsize-policy="7" hsize-policy="7" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties/>
+            <border type="none"/>
+            <children>
+              <component id="adc9b" class="javax.swing.JTextArea" binding="chatArea">
+                <constraints/>
+                <properties/>
+              </component>
+            </children>
+          </scrollpane>
+        </children>
+      </grid>
+    </children>
+  </grid>
+</form>

src/ui/FenetreClient.java

@@ -0,0 +1,123 @@
+package ui;
+
+import client.Client;
+
+import javax.swing.*;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.io.IOException;
+import java.util.Objects;
+
+public class FenetreClient extends JFrame {
+    private JTextField addressInput, portInput, pseudoInput, messageInput;
+    private JButton connexionButton, envoyerButton, deconnexionButton;
+    private JPanel mainPanel;
+    private JTextArea chatArea;
+    private JScrollPane scrollPane;
+
+    private Client client;
+
+    public FenetreClient() {
+        super("Fenêtre client");
+        add(mainPanel);
+
+        // On ne peut pas saisir dans la boîte de dialogue directement
+        chatArea.setEnabled(false);
+
+        // Au lancement, on ne peut pas envoyer de message sans être connecté au serveur
+        messageInput.setEnabled(false);
+        envoyerButton.setEnabled(false);
+
+        // Action des boutons
+        messageInput.addKeyListener(new KeyAdapter() {
+            @Override
+            public void keyPressed(KeyEvent e) {
+                if (e.getKeyCode() == KeyEvent.VK_ENTER) envoyerMessage();
+            }
+        });
+        connexionButton.addActionListener(e -> connexion());
+        envoyerButton.addActionListener(e -> envoyerMessage());
+        deconnexionButton.addActionListener(e -> deconnexion());
+
+        // Quand on clique sur fermer la fenêtre, on ferme la connexion
+        this.addWindowListener(new WindowAdapter() {
+            public void windowClosing(WindowEvent e) {deconnexion();}
+        });
+
+        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        this.setSize(400, 250);
+        this.setVisible(true);
+    }
+
+    private void envoyerMessage() {
+        {
+            String message = this.messageInput.getText();
+
+            try {
+                if (Objects.equals(message, "bye")) deconnexion();
+                else this.client.sendMessage(message);
+
+                this.messageInput.setText("");
+            } catch (IOException ex) {
+                throw new RuntimeException(ex);
+            }
+        }
+    }
+
+    public void connexion() {
+        String address = addressInput.getText();
+        int port = Integer.parseInt(portInput.getText());
+        String pseudo = pseudoInput.getText();
+
+        if (Objects.equals(pseudo.strip(), "")) {
+            new FenetreErreur("Pseudo vide !", this);
+            this.pseudoInput.setText("");
+            return;
+        }
+
+        this.client = new Client(address, port, pseudo, this);
+        this.client.start();
+
+        addressInput.setEnabled(false);
+        portInput.setEnabled(false);
+        pseudoInput.setEnabled(false);
+
+        messageInput.setEnabled(true);
+        envoyerButton.setEnabled(true);
+    }
+
+    public void deconnexion() {
+        if (client == null) return;
+
+        // Déconnecte le client
+        this.client.addMessage("bye");
+        this.client = null;
+
+        // Vide le chat
+        this.chatArea.setText("");
+
+        // Active les boutons pour changer de serveur
+        addressInput.setEnabled(true);
+        portInput.setEnabled(true);
+        pseudoInput.setEnabled(true);
+
+        // Désactive les commandes de chats
+        messageInput.setEnabled(false);
+        envoyerButton.setEnabled(false);
+    }
+
+    public void displayNewMessage(String message) {
+        // Ajoute le message
+        chatArea.append(message + "\n");
+
+        // Va en bas de la fenêtre
+        JScrollBar vertical = scrollPane.getVerticalScrollBar();
+        vertical.setValue(vertical.getMaximum());
+    }
+
+    public static void main(String[] args) {
+        new FenetreClient();
+    }
+}

src/ui/FenetreErreur.java

@@ -0,0 +1,15 @@
+package ui;
+
+import javax.swing.*;
+
+public class FenetreErreur {
+
+    public FenetreErreur(String message, JFrame parent) {
+        final String TITLE = "Erreur";
+        JOptionPane.showMessageDialog(parent, message, TITLE, JOptionPane.ERROR_MESSAGE);
+    }
+
+    public static void main(String[] args) {
+        new FenetreErreur("Message", null);
+    }
+}

src/ui/FenetreServeur.form

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="ui.FenetreServeur">
+  <grid id="27dc6" binding="mainPanel" layout-manager="GridLayoutManager" row-count="2" column-count="3" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+    <margin top="0" left="0" bottom="0" right="0"/>
+    <constraints>
+      <xy x="20" y="20" width="500" height="400"/>
+    </constraints>
+    <properties/>
+    <border type="none"/>
+    <children>
+      <scrollpane id="581b0" binding="scrollPane">
+        <constraints>
+          <grid row="1" column="0" row-span="1" col-span="3" vsize-policy="7" hsize-policy="7" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+        <border type="none"/>
+        <children>
+          <component id="d9db2" class="javax.swing.JTextArea" binding="chatArea">
+            <constraints/>
+            <properties/>
+          </component>
+        </children>
+      </scrollpane>
+      <component id="5b8e1" class="javax.swing.JLabel">
+        <constraints>
+          <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <text value="Port"/>
+        </properties>
+      </component>
+      <component id="a87e9" class="javax.swing.JTextField" binding="portInput">
+        <constraints>
+          <grid row="0" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
+            <preferred-size width="150" height="-1"/>
+          </grid>
+        </constraints>
+        <properties>
+          <text value="4444"/>
+        </properties>
+      </component>
+      <component id="66d6c" class="javax.swing.JButton" binding="demarrerButton">
+        <constraints>
+          <grid row="0" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <text value="Démarrer"/>
+        </properties>
+      </component>
+    </children>
+  </grid>
+</form>

src/ui/FenetreServeur.java

@@ -0,0 +1,49 @@
+package ui;
+
+import server.Server;
+
+import javax.swing.*;
+
+public class FenetreServeur extends JFrame {
+    private JTextArea chatArea;
+    private JPanel mainPanel;
+    private JScrollPane scrollPane;
+    private JTextField portInput;
+    private JButton demarrerButton;
+    private Server server;
+
+    public FenetreServeur() {
+        super("Fenetre Serveur");
+        add(mainPanel);
+
+        chatArea.setEnabled(false);
+
+        demarrerButton.addActionListener(e -> demarrerServeur());
+
+        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        this.setSize(400, 250);
+        this.setVisible(true);
+    }
+
+    public void demarrerServeur() {
+        int port = Integer.parseInt(portInput.getText());
+        server = new Server(port, this);
+        server.start();
+
+        portInput.setEnabled(false);
+        demarrerButton.setEnabled(false);
+    }
+
+    public void displayNewMessage(String message) {
+        // Ajoute le message
+        chatArea.append(message + "\n");
+
+        // Va en bas de la fenêtre
+        JScrollBar vertical = scrollPane.getVerticalScrollBar();
+        vertical.setValue(vertical.getMaximum());
+    }
+
+    public static void main(String[] args) {
+        new FenetreServeur();
+    }
+}