import javax.swing.*;
import java.util.*;
import java.awt.event.*;
import java.awt.*;
import java.io.*;
import java.net.*;
public class chatClient {
JButton sendButton;
JTextArea messageArea;
BufferedReader reader;
PrintWriter writer;
JTextField messageField;
JTextField nameField;
public static void main(String[] args){
chatClient client = new chatClient();
client.go();
}
public void go(){
JFrame frame = new JFrame();
sendButton = new JButton("Send");
sendButton.addActionListener(new SendButton());
messageArea = new JTextArea(10,10);
nameField = new JTextField(5);
messageField = new JTextField(20);
JPanel mainPanel = new JPanel();
mainPanel.setLayout(new BoxLayout(mainPanel,BoxLayout.Y_AXIS));
mainPanel.add(nameField);
mainPanel.add(messageArea);
mainPanel.add(messageField);
mainPanel.add(sendButton);
frame.getContentPane().add(BorderLayout.CENTER,mainPanel);
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.setSize(500,500);
frame.setVisible(true);
setNet();
}
public class secondStream implements Runnable{
public void run(){
//!!!!!! Поток на запись
try {
Socket socket = new Socket("127.0.0.1", 5000);
writer = new PrintWriter(socket.getOutputStream());
writer.println(messageField.getText());
System.out.println("writer is work");
messageField.setText("");
}
catch (IOException ex){
ex.printStackTrace();
}
}
}
public class SendButton implements ActionListener{
public void actionPerformed(ActionEvent ev){
Runnable secStream = new secondStream();
Thread t = new Thread(secStream);
t.start();
}
}
public void setNet(){
try {
while (true) {
//READER
Socket socket = new Socket("127.0.0.1",5000);
InputStreamReader isReader = new InputStreamReader(socket.getInputStream());
BufferedReader reader = new BufferedReader(isReader);
String servAnswer= reader.readLine();
messageArea.append( nameField.getText() + ": " + servAnswer + "\n");
reader.close();
}
}
catch (IOException ex){
ex.printStackTrace();
}
}
}import javax.swing.*;
import java.util.*;
import java.awt.event.*;
import java.awt.*;
import java.io.*;
import java.net.*;
public class chatServer {
String clientData;
public static void main(String[] args){
chatServer chServ = new chatServer();
chServ.go();
}
public void go(){
try {
// READER
ServerSocket serverSocket = new ServerSocket(5000);
while (true) {
System.out.println("connection normal*no");
Socket socket = serverSocket.accept();
InputStreamReader streamReader = new InputStreamReader(socket.getInputStream());
BufferedReader reader = new BufferedReader(streamReader);
if((clientData = reader.readLine())!= null){
Runnable secStr = new secondStream();
Thread t = new Thread(secStr);
t.start();
System.out.println("Stream is work");
}
reader.close();
}
}
catch (IOException ex){
ex.printStackTrace();
}
}
public class secondStream implements Runnable{
public void run() {
//STREAM WRITER!
try{
ServerSocket serverSocket = new ServerSocket(5000);
while (true) {
Socket socket = serverSocket.accept();
PrintWriter writer = new PrintWriter(socket.getOutputStream());
writer.println(clientData);
writer.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
}messageArea остается пустым, ошибка скорее всего в потоках но уверенности нет, просьба указать на ошибки. import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
public class ChatServer {
public static void main(String[] args) throws IOException {
try (ServerSocket serverSocket = new ServerSocket(5000)) {
while (true) {
Socket clientSocket = serverSocket.accept();
System.out.println("New connection: " + clientSocket.getRemoteSocketAddress().toString());
ClientThread clientThread = new ClientThread(clientSocket);
clientThread.start();
}
}
}
private static class ClientThread extends Thread {
private final Socket socket;
private ClientThread(Socket socket) {
this.socket = socket;
}
@Override
public void run() {
try (BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
PrintWriter out = new PrintWriter(socket.getOutputStream(), true)) {
String request;
while ((request = in.readLine()) != null) {
System.out.println("New message from " + socket.getRemoteSocketAddress().toString() + ": " + request);
StringBuilder sb = new StringBuilder(request);
String response = sb.reverse().toString();
out.println(response);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
System.out.println("Closing connection: " + socket.getRemoteSocketAddress().toString());
try {
socket.close();
} catch (IOException ignored) {}
}
}
}
}import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
public class ChatClient implements Runnable, ActionListener, OnMessageListener {
private JTextArea messageArea;
private JTextField messageField;
private WorkerThread workerThread;
public static void main(String[] args) {
ChatClient client = new ChatClient();
client.run();
}
private ChatClient() {
initGui();
initListeners();
}
private void initGui() {
JFrame frame = new JFrame();
JButton sendButton = new JButton("Send");
sendButton.addActionListener(this);
messageArea = new JTextArea(10, 10);
messageField = new JTextField(20);
JPanel mainPanel = new JPanel();
mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
mainPanel.add(messageArea);
mainPanel.add(messageField);
mainPanel.add(sendButton);
frame.getContentPane().add(BorderLayout.CENTER, mainPanel);
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.setSize(500, 500);
frame.setVisible(true);
}
private void initListeners() {
Observer.getInstance().addListener(this);
}
@Override
public void run() {
try {
workerThread = new WorkerThread("127.0.0.1", 5000);
workerThread.start();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void actionPerformed(ActionEvent e) {
if (workerThread == null) {
return;
}
String request = messageField.getText();
messageField.setText("");
workerThread.sendMessage(request);
}
@Override
public void onMessage(String message) {
messageArea.append(message + System.lineSeparator());
}
private static class WorkerThread extends Thread {
private final Socket socket;
private final PrintWriter out;
private WorkerThread(String host, int port) throws IOException {
this.socket = new Socket(host, port);
this.out = new PrintWriter(socket.getOutputStream(), true);
System.out.println("Connection established...");
}
@Override
public void run() {
try (BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()))) {
String message;
while ((message = in.readLine()) != null) {
System.out.println("New message: " + message);
Observer.getInstance().fireEvent(message);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
System.out.println("Connection closing...");
try {
out.close();
socket.close();
} catch (Exception ignored) {}
}
}
public synchronized void sendMessage(String message) {
out.println(message);
}
}
}
public class Observer {
private static final Observer INSTANCE = new Observer();
public static Observer getInstance() {
return INSTANCE;
}
private final Set<OnMessageListener> listeners;
private Observer() {
listeners = Collections.synchronizedSet(new HashSet<>());
}
public void addListener(OnMessageListener listener) {
this.listeners.add(listener);
}
synchronized void fireEvent(String message) {
for (OnMessageListener listener : listeners) {
listener.onMessage(message);
}
}
}
public interface OnMessageListener {
void onMessage(String message);
}
Средний
Простой
Простой
Средний
Простой