I want to create simple chat which uses 2 ports(8080 and 9090) without WebSocket.
I have my message class:
public class Message {
private String message;
public Message(){}
public Message(String message) {
    this.message = message;
}
//get and set method
}
My repository looks like:
@Repository
public class MessageManager {
    List<Message> messageList = new ArrayList<>();
    public List<Message> getMessage(){
        return messageList;
    }
    public void addMessage(Message message){
        messageList.add(message);
}
}
And GUI:
public class ChatGUI extends VerticalLayout {
//my fields to create chat
   @Autowired
public MessageManager messageManager;
public ChatGUI(){
    horizontalLayout.add(label);
    verticalLayout.add(inputTextArea,sendMessageButton,horizontalLayout);
    add(verticalLayout);
    sendMessageButton.addClickListener(e -> {
        Message message = new Message(inputTextArea.getValue());
        messageManager.addMessage(message);
        label.setText(messageManager.getMessage().toString() +"\n");
    });
}
And what should I do now? I want to run the same program and have acces in 2 differents ports and add message to list and display them. Does anybody have any idea how to solve this?
