JavaExercises/Head First Java/SimpleChatClientA.java at master · biblelamp/JavaExercises · GitHub

History

50 lines (44 loc) · 1.49 KB

Raw

import java.io.*;

import java.net.*;

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

public class SimpleChatClientA {

JTextField outgoing;

PrintWriter writer;

Socket sock;

public void go() {

JFrame frame = new JFrame("Ludicrously Simple Chat Client");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

JPanel mainPanel = new JPanel();

outgoing = new JTextField(25);

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, 100);

frame.setVisible(true);

}

private void setUpNetworking() {

try {

sock = new Socket("127.0.0.1", 5000);

writer = new PrintWriter(sock.getOutputStream());

System.out.println("Networking established.");

} catch(Exception ex) { ex.printStackTrace(); }

}

public class SendButtonListener implements ActionListener {

public void actionPerformed(ActionEvent ev) {

try {

writer.println(outgoing.getText());

writer.flush();

} catch(Exception ex) { ex.printStackTrace(); }

outgoing.setText("");

outgoing.requestFocus();

}

public static void main(String[] args) {

new SimpleChatClientA().go();

}

JavaExercises/Head First Java/SimpleChatClientA.java at master · biblelamp/JavaExercises · GitHub

Expand file tree

Breadcrumbs

SimpleChatClientA.java

Latest commit

History

Breadcrumbs

SimpleChatClientA.java

File metadata and controls