complete client

src/main/java/com/university/chat/Client/ServerListener.java

@@ -1,18 +1,40 @@
 package com.university.chat.Client;
 
+import com.university.chat.Common.ChatMessage;
+import com.university.chat.Common.FileMessage;
+import com.university.chat.Common.MessageType;
+
+import java.io.ObjectInputStream;
+
 public class ServerListener implements Runnable{
-    // TODO: store the ObjectInputStream from the user socket
+
-    //          (this should be the same input stream the
+    private ObjectInputStream in ;
-    //           chatClient created when connecting)
+
+    public ServerListener(ObjectInputStream ois){
+        this.in = ois;
+    }
 
     @Override
     public void run() {
         try {
-            // TODO: In an infinite loop read objects from the server
+            while (true){
-            //   - if it's a ChatMessage  -> print "<sender>: <content>"
+                Object objectInput = in.readObject();
-            //   - if it's a FileMessage  -> print that a file was received
+                if(objectInput instanceof ChatMessage){
-            //                               (filename + sender), it's already
+                    if(((ChatMessage) objectInput).getType() == MessageType.LOGIN_SUCCESS){
-            //                               saved to disk by the server.
+                        System.out.println("Login success");
+                    } else if (((ChatMessage) objectInput).getType() == MessageType.LOGIN_FAILED) {
+                        System.out.println("Login Failed");
+                    }
+                    System.out.println(((ChatMessage) objectInput).getSender()+ ": " +
+                            ((ChatMessage) objectInput).getContent());
+                }
+                else if(objectInput instanceof FileMessage){
+                    System.out.println("File name: " + ((FileMessage) objectInput).getFilename()
+                                        + "from : "+ ((FileMessage) objectInput).getSender()+ " recived.");
+                }
+
+            }
+
         } catch (Exception e){
             System.out.println("Disconnected from server");
         }

src/main/java/com/university/chat/Client/chatClient.java

@@ -1,26 +1,76 @@
 package com.university.chat.Client;
 
+import com.university.chat.Common.ChatMessage;
+import com.university.chat.Common.FileMessage;
+import com.university.chat.Common.MessageType;
+
+import java.io.*;
+import java.net.Socket;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Scanner;
+
 public class chatClient {
-    public static void main() {
+
-        // TODO: Connecting to the server
+
-        //  1. Create a socket and connect to the server
+    public static void main() throws IOException {
-        //  2. Create an ObjectOutputStream (out) and ObjectInputStream (in)
+        Scanner input = new Scanner(System.in);
-        //      from the socket's streams — output FIRST, then input.
+        Socket socket = new Socket("127.0.0.1" , 5000);
-        //  2. Get the username, and send a LOGIN ChatMessage with that username
+        ObjectOutputStream out = new ObjectOutputStream(socket.getOutputStream());
-        //  3. Start a new Thread running a ServerListener(in) so incoming
+        ObjectInputStream in = new ObjectInputStream(socket.getInputStream());
-        //      messages are handled concurrently.
+
+        System.out.println("Connected to Server . Please enter user name:");
+        String username = input.nextLine();
+
+        out.writeObject(new ChatMessage(MessageType.LOGIN , username , "Server" , "Login message"));
+        out.flush();
+
+        ServerListener serverListener = new ServerListener(in);
+        Thread t = new Thread();
+        t.start();
+
+
 
         while (true){
             try {
-                // TODO: Program loop — read a line from the console and act on it:
+                String promt = input.nextLine().trim();
-                //   - "/msg <user> <text>"        -> build & send a PRIVATE_MESSAGE
+                promt = promt.replace("<", "").replace(">", "");
-                //   - "/users"                    -> build & send a USER_LIST request
+
-                //   - "/sendfile <user> <path>"   -> read the file into a byte[]
+                String[] parts = promt.split(" " , 3);
-                //                                     (you can use TransferProgress
+
-                //                                     to show progress)
+                switch (parts[0]){
-                //                                     and send it as a FileMessage
+                    case "/msg":
-                //   - anything else               -> send a PUBLIC_MESSAGE
+                    {
-                //   Remember to flush() the output stream after writeObject().
+                        out.writeObject(new ChatMessage(MessageType.PRIVATE_MESSAGE , username
+                                , parts[1] , parts[2]));
+                        break;
+                    }
+                    case "/users":
+                    {
+                        out.writeObject(new ChatMessage(MessageType.USER_LIST ,username
+                                , "Server" , null));
+                        break;
+                    }
+                    case  "/sendfile":
+                    {
+                        byte[] dataofFile = Files.readAllBytes(Path.of(parts[2]));
+                        out.writeObject(new FileMessage(username , parts[1] , parts[2] ,  dataofFile ));
+                        break;
+                    }
+                    case "/quit":
+                    {
+                        System.out.println("Goodby!");
+                        return;
+                    }
+                    default:
+                    {
+                        out.writeObject(new ChatMessage(MessageType.PUBLIC_MESSAGE , username ,
+                                "All" , promt));
+                        break;
+                    }
+                }
+                out.flush();
+
             } catch (Exception e){
                 System.out.println("command failed: " + e.getMessage());
             }

src/main/java/com/university/chat/Server/ChatServer.java

@@ -1,15 +1,28 @@
 package com.university.chat.Server;
 
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+
 public class ChatServer {
-    // TODO: declare a single shared UserManager instance (static final)
+
-    //         This MUST be shared by all ClientSession threads so that
+    private static final UserManager users = new UserManager();
-    //         broadcasting and private messaging work correctly.
+
 
     public static void main(String[] args) {
-        // TODO: Create a ServerSocket
 
-        // TODO: In an infinite loop:
+        try {
-        //  accept an incoming client connection
+            ServerSocket srvSocket = new ServerSocket(5000);
-        //  make a new thread running ClientSession for each user.
+
+            while (true){
+                Socket clientsocket = srvSocket.accept();
+                ClientSession clientSession = new ClientSession(clientsocket , users);
+                Thread t = new Thread(clientSession);
+                t.start();
+            }
+
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
     }
 }

src/main/java/com/university/chat/Server/ClientSession.java

@@ -2,16 +2,37 @@ package com.university.chat.Server;
 
 import com.university.chat.Common.ChatMessage;
 import com.university.chat.Common.FileMessage;
+import com.university.chat.Common.MessageType;
 
 import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
 import java.net.Socket;
 import java.nio.file.Files;
 
 public class ClientSession implements Runnable {
 
     private String username;
+    private ObjectOutputStream out;
+    private ObjectInputStream in;
+    private Socket socket;
+    private UserManager userManage;
+
+
 
     public ClientSession(Socket socket, UserManager userManager) {
+        this.socket = socket;
+        this.userManage = userManager;
+
+        try {
+            out = new ObjectOutputStream(socket.getOutputStream());
+            out.flush();
+            in = new ObjectInputStream(socket.getInputStream());
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+
+
         // TODO : Create an ObjectOutputStream from socket.getOutputStream()
         //         and an ObjectInputStream from socket.getInputStream().
     }
@@ -20,6 +41,24 @@ public class ClientSession implements Runnable {
     public void run() {
         try {
 
+
+            ChatMessage loginmsg = (ChatMessage) in.readObject();
+            String username = loginmsg.getSender();
+
+
+            if(loginmsg.getType() != MessageType.LOGIN){
+                out.writeObject(new ChatMessage(MessageType.LOGIN_FAILED , "server"
+                                    , username,"login failed"));
+                socket.close();
+                return;
+            }
+
+            out.writeObject(new ChatMessage(MessageType.LOGIN_SUCCESS , "server" ,
+                    null , "welcome to messanger"));
+
+            userManage.addUser(username , this);
+
+
             // TODO: Welcome the user (login step)
             //  1. Read the first object sent by the client.
             //  2. Check it's a ChatMessage with type LOGIN.