Add: complete JavaDOC to ClientHandler

src/main/java/it/polimi/ingsw/gc14/Network/TCP/Server/ClientHandler.java

@@ -8,66 +8,98 @@ import java.net.*;
 import java.util.List;
 import java.util.concurrent.BlockingQueue;
 
+/**
+ * Handles the TCP connection with a single client.
+ * Each instance runs on a dedicated thread and is responsible for receiving {@link NetworkEvent} from its client and adding them
+ * to the {@link #actionQueue}.
+ * It is also responsible to send events and game model updates back to the client.
+ */
 public class ClientHandler implements Runnable {
+
+    /** The TCP socket */
     private Socket clientSocket;
+
+    /** Input stream used to receive requests from the client */
     public ObjectInputStream in;
+
+    /** Output stream used to send objects to the client */
     public ObjectOutputStream out;
+
+    /**
+     * Shared list of all client handlers.
+     * This handler removes itself from the list when disconnected.
+     */
     List<ClientHandler> clientHandlers;
+
+    /** Queue containing the events to be applied to the game model */
     BlockingQueue<NetworkEvent> actionQueue;
 
 
+    /**
+     * Class constructor that initializes the attributes.
+     * @param clientSocket   The socket representing the client's TCP connection
+     * @param clientHandlers The shared list of all active client handlers
+     * @param actionQueue    The queue containing incoming events
+     */
     public ClientHandler(Socket clientSocket, List<ClientHandler> clientHandlers, BlockingQueue<NetworkEvent> actionQueue) {
         this.clientSocket = clientSocket;
         this.clientHandlers = clientHandlers;
         this.actionQueue = actionQueue;
     }
 
+
+    /**
+     * Listens for incoming {@link NetworkEvent}s from the client and adds them to the {@link #actionQueue}.
+     * Upon disconnection, this handler removes itself from {@link #clientHandlers}.
+     */
     @Override
     public void run() {
         try {
             in = new ObjectInputStream(clientSocket.getInputStream());
             out = new ObjectOutputStream(clientSocket.getOutputStream());
-
             while (true) {
                 NetworkEvent event = (NetworkEvent) in.readObject();
                 if (!actionQueue.add(event)) {
                     System.out.println("Error inserting action into queue");
                 }
             }
-        }
+        } catch (IOException e) {
-        catch(IOException e){
             clientHandlers.remove(this);
             e.printStackTrace();
-        }
+        } catch (ClassNotFoundException e) {
-        catch(ClassNotFoundException e){
             throw new RuntimeException(e);
         }
     }
 
+
+    /**
+     * Sends a {@link NetworkEvent} to the client.
+     * @param event The network event to send to the client.
+     */
     public void notifyEvent(NetworkEvent event) {
         synchronized (out) {
             try {
                 out = new ObjectOutputStream(clientSocket.getOutputStream());
                 out.writeObject(event);
-            }
+            } catch (IOException e) {
-            catch(IOException e){
                 e.printStackTrace();
             }
         }
     }
 
+
+    /**
+     * Sends the current game model to this client.
+     * @param game The current state of the game to send to the client.
+     */
     public void notifyModel(Game game) {
         synchronized (out) {
             try {
                 out = new ObjectOutputStream(clientSocket.getOutputStream());
                 out.writeObject(game);
-            }
+            } catch (IOException e) {
-            catch(IOException e){
                 e.printStackTrace();
             }
         }
     }
-
 }
-
-

src/main/java/it/polimi/ingsw/gc14/Network/TCP/Server/TCPServer.java

@@ -43,6 +43,24 @@ public class TCPServer {
     private List<ClientHandler> clientHandlers;
 
 
+    /**
+     * Class constructor that initializes the attributes.
+     * @param controller The game controller
+     * @param port The TCP port
+     * @param actionQueue The action queue
+     * @param playerList The player's usernames list
+     */
+    public TCPServer(GameController controller, int port, BlockingQueue<NetworkEvent> actionQueue, LimitedList<String> playerList){
+        this.port = port;
+        this.ConnectedPlayers = 0;
+        this.socketTCP = null;
+        this.controller = controller;
+        this.actionQueue = actionQueue;
+        this.playerList = playerList;
+        this.clientHandlers = new ArrayList<>();
+    }
+
+
     /**
      * Starts the TCP server.
      * If the first event is not AddPlayer, the request is rejected.
@@ -120,24 +138,6 @@ public class TCPServer {
     }
 
 
-    /**
-     * Class constructor that initializes the attributes.
-     * @param controller The game controller
-     * @param port The TCP port
-     * @param actionQueue The action queue
-     * @param playerList The player's usernames list
-     */
-    public TCPServer(GameController controller, int port, BlockingQueue<NetworkEvent> actionQueue, LimitedList<String> playerList){
-        this.port = port;
-        this.ConnectedPlayers = 0;
-        this.socketTCP = null;
-        this.controller = controller;
-        this.actionQueue = actionQueue;
-        this.playerList = playerList;
-        this.clientHandlers = new ArrayList<>();
-    }
-
-
     /** Sends an action to all TCP clients */
     public void notifyAll(NetworkEvent event){
         clientHandlers.forEach((x) -> x.notifyEvent(event));