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Copy pathSimpleChatClientA_C15.java
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Copy pathSimpleChatClientA_C15.java
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51 lines (47 loc) · 1.48 KB
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import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.Socket;
public class SimpleChatClientA_C15 {
JTextField outgoing;
PrintWriter writer;
Socket socket;
public void go() {
JFrame frame = new JFrame("Simple chat client");
JPanel mainPanel = new JPanel();
outgoing = new JTextField(20);
JButton sendButton = new JButton("Send");
sendButton.addActionListener(new SendButtonListener());
mainPanel.add(outgoing);
mainPanel.add(sendButton);
frame.getContentPane().add(BorderLayout.CENTER, mainPanel);
setUpNetworking();
frame.setSize(400, 500);
frame.setVisible(true);
}
private void setUpNetworking(){
try{
socket = new Socket("127.0.0.1", 5000);
writer = new PrintWriter(socket.getOutputStream());
System.out.println("OK");
} catch (IOException ex){
ex.printStackTrace();
}
}
public class SendButtonListener implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
try{
writer.println(outgoing.getText());
writer.flush();
} catch(Exception ex) {
ex.printStackTrace();
}
outgoing.setText("");
outgoing.requestFocus();
}
}
}