.gitignore

@@ -1,5 +1,3 @@
-data.db
-
 .gradle
 build/
 !gradle/wrapper/gradle-wrapper.jar

src/main/java/net/pixtaded/crab/Main.java

@@ -7,43 +7,9 @@ import java.util.Scanner;
 
 public class Main {
     public static void main(String[] args) {
-        if (args.length == 0) {
+        Scanner scanner = new Scanner(System.in);
-            Scanner scanner = new Scanner(System.in);
+        chooseMode(scanner);
-            chooseMode(scanner);
+        scanner.close();
-            scanner.close();
-            return;
-        }
-        switch (args[0]) {
-            case "help" -> {
-                System.out.println("crab help - print this message.");
-                System.out.println("crab client <ip> <port> [nick] - connect to a server.");
-                System.out.println("crab server <port> - start a server.");
-            }
-            case "client" -> {
-                CrabClient client;
-                try {
-                    client = new CrabClient(args[1], Integer.parseInt(args[2]), args.length == 4 ? args[3] : null);
-                } catch (NumberFormatException e) {
-                    System.err.println("Port is not a number.");
-                    return;
-                }
-                client.run();
-            }
-            case "server" -> {
-                CrabServer server;
-                try {
-                    server = new CrabServer(Integer.parseInt(args[1]));
-                } catch (NumberFormatException e) {
-                    System.err.println("Port is not a number.");
-                    return;
-                }
-                server.run();
-            }
-            default -> {
-                System.err.println("Unknown argument");
-                return;
-            }
-        }
     }
 
     private static void chooseMode(Scanner scanner) {

src/main/java/net/pixtaded/crab/client/CrabClient.java

@@ -17,26 +17,15 @@ public class CrabClient implements Crab {
     private PrintWriter out;
     private BufferedReader in;
     private int lastBufferLength = 0;
-    private String nickname;
 
     public CrabClient() {
-        this.nickname = "";
-    }
 
-    public CrabClient(String serverAddress, int port, String nickname) {
-        this.serverAddress = serverAddress;
-        this.port = port;
-        if (nickname != null)
-            this.nickname = "<" + nickname + "> ";
-        else
-            this.nickname = "";
     }
 
     @Override
     public void run() {
         try {
-            if (this.serverAddress == null)
+            setup();
-                setup();
             connect();
             communicate();
         } catch (IOException e) {
@@ -65,11 +54,6 @@ public class CrabClient implements Crab {
                 System.out.println("Enter a correct port number: ");
             }
         }
-
-        System.out.print("Enter your nickname (leave empty for no nickname): ");
-        nickname = scanner.nextLine();
-        if (nickname != "")
-            nickname = "<" + nickname + "> ";
     }
 
     private void connect() throws IOException {
@@ -93,7 +77,7 @@ public class CrabClient implements Crab {
                 break;
             }
 
-            if (!message.isEmpty()) sendPacket(MESSAGE, this.nickname + message);
+            if (!message.isEmpty()) sendPacket(MESSAGE, message);
         }
     }
 

src/main/java/net/pixtaded/crab/server/CrabServer.java

@@ -18,16 +18,10 @@ public class CrabServer implements Crab {
         this.db = new Database("data.db");
     }
 
-    public CrabServer(int port) {
-        this.db = new Database("data.db");
-        this.port = port;
-    }
-
     @Override
     public void run() {
         try {
-            if (this.port == 0)
+            setup();
-                setup();
             listen();
         } catch (IOException e) {
             if (!isStopped) System.err.println("Error starting server: " + e.getMessage());