/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.mina.example.chat.client;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import javax.swing.AbstractAction;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollBar;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.border.EmptyBorder;
import org.apache.mina.example.chat.client.SwingChatClientHandler.Callback;
import org.apache.mina.transport.socket.nio.NioSocketConnector;
/**
* Simple chat client based on Swing & MINA that implements the chat protocol.
*
* @author The Apache MINA Project (dev@mina.apache.org)
* @version $Rev$, $Date$
*/
public class SwingChatClient extends JFrame implements Callback {
private static final long serialVersionUID = 1538675161745436968L;
private JTextField inputText;
private JButton loginButton;
private JButton quitButton;
private JButton closeButton;
private JTextField serverField;
private JTextField nameField;
private JTextArea area;
private JScrollBar scroll;
private ChatClientSupport client;
private SwingChatClientHandler handler;
private NioSocketConnector connector;
public SwingChatClient() {
super("Chat Client based on Apache MINA");
connector = new NioSocketConnector();
loginButton = new JButton(new LoginAction());
loginButton.setText("Connect");
quitButton = new JButton(new LogoutAction());
quitButton.setText("Disconnect");
closeButton = new JButton(new QuitAction());
closeButton.setText("Quit");
inputText = new JTextField(30);
inputText.setAction(new BroadcastAction());
area = new JTextArea(10, 50);
area.setLineWrap(true);
area.setEditable(false);
scroll = new JScrollBar();
scroll.add(area);
nameField = new JTextField(10);
nameField.setEditable(false);
serverField = new JTextField(10);
serverField.setEditable(false);
JPanel h = new JPanel();
h.setLayout(new BoxLayout(h, BoxLayout.LINE_AXIS));
h.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
JLabel nameLabel = new JLabel("Name: ");
JLabel serverLabel = new JLabel("Server: ");
h.add(nameLabel);
h.add(Box.createRigidArea(new Dimension(10, 0)));
h.add(nameField);
h.add(Box.createRigidArea(new Dimension(10, 0)));
h.add(Box.createHorizontalGlue());
h.add(Box.createRigidArea(new Dimension(10, 0)));
h.add(serverLabel);
h.add(Box.createRigidArea(new Dimension(10, 0)));
h.add(serverField);
JPanel p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.LINE_AXIS));
p.setBorder(new EmptyBorder(10, 10, 10, 10));
JPanel left = new JPanel();
left.setLayout(new BoxLayout(left, BoxLayout.PAGE_AXIS));
left.add(area);
left.add(Box.createRigidArea(new Dimension(0, 5)));
left.add(Box.createHorizontalGlue());
left.add(inputText);
JPanel right = new JPanel();
right.setLayout(new BoxLayout(right, BoxLayout.PAGE_AXIS));
right.add(loginButton);
right.add(Box.createRigidArea(new Dimension(0, 5)));
right.add(quitButton);
right.add(Box.createHorizontalGlue());
right.add(Box.createRigidArea(new Dimension(0, 25)));
right.add(closeButton);
p.add(left);
p.add(Box.createRigidArea(new Dimension(10, 0)));
p.add(right);
getContentPane().add(h, BorderLayout.NORTH);
getContentPane().add(p);
closeButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
client.quit();
connector.dispose();
dispose();
}
});
setLoggedOut();
setDefaultCloseOperation(EXIT_ON_CLOSE);
}
public class LoginAction extends AbstractAction {
private static final long serialVersionUID = 3596719854773863244L;
public void actionPerformed(ActionEvent e) {
ConnectDialog dialog = new ConnectDialog(SwingChatClient.this);
dialog.pack();
dialog.setVisible(true);
if (dialog.isCancelled()) {
return;
}
SocketAddress address = parseSocketAddress(dialog
.getServerAddress());
String name = dialog.getUsername();
handler = new SwingChatClientHandler(SwingChatClient.this);
client = new ChatClientSupport(name, handler);
nameField.setText(name);
serverField.setText(dialog.getServerAddress());
if (!client.connect(connector, address, dialog.isUseSsl())) {
JOptionPane.showMessageDialog(SwingChatClient.this,
"Could not connect to " + dialog.getServerAddress()
+ ". ");
}
}
}
private class LogoutAction extends AbstractAction {
private static final long serialVersionUID = 1655297424639924560L;
public void actionPerformed(ActionEvent e) {
try {
client.quit();
setLoggedOut();
} catch (Exception e1) {
JOptionPane.showMessageDialog(SwingChatClient.this,
"Session could not be closed.");
}
}
}
private class BroadcastAction extends AbstractAction {
/**
*
*/
private static final long serialVersionUID = -6276019615521905411L;
public void actionPerformed(ActionEvent e) {
client.broadcast(inputText.getText());
inputText.setText("");
}
}
private class QuitAction extends AbstractAction {
private static final long serialVersionUID = -6389802816912005370L;
public void actionPerformed(ActionEvent e) {
if (client != null) {
client.quit();
}
SwingChatClient.this.dispose();
}
}
private void setLoggedOut() {
inputText.setEnabled(false);
quitButton.setEnabled(false);
loginButton.setEnabled(true);
}
private void setLoggedIn() {
area.setText("");
inputText.setEnabled(true);
quitButton.setEnabled(true);
loginButton.setEnabled(false);
}
private void append(String text) {
area.append(text);
}
private void notifyError(String message) {
JOptionPane.showMessageDialog(this, message);
}
private SocketAddress parseSocketAddress(String s) {
s = s.trim();
int colonIndex = s.indexOf(":");
if (colonIndex > 0) {
String host = s.substring(0, colonIndex);
int port = parsePort(s.substring(colonIndex + 1));
return new InetSocketAddress(host, port);
} else {
int port = parsePort(s.substring(colonIndex + 1));
return new InetSocketAddress(port);
}
}
private int parsePort(String s) {
try {
return Integer.parseInt(s);
} catch (NumberFormatException nfe) {
throw new IllegalArgumentException("Illegal port number: " + s);
}
}
public void connected() {
//client.login();
}
public void disconnected() {
append("Connection closed.\n");
setLoggedOut();
}
public void error(String message) {
notifyError(message + "\n");
}
public void loggedIn() {
setLoggedIn();
append("You have joined the chat session.\n");
}
public void loggedOut() {
append("You have left the chat session.\n");
setLoggedOut();
}
public void messageReceived(String message) {
append(message + "\n");
}
public static void main(String[] args) {
SwingChatClient client = new SwingChatClient();
client.pack();
client.setVisible(true);
}
}