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| package tchat;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.rmi.Naming;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.rmi.server.UnicastRemoteObject;
import java.util.Vector;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.border.EmptyBorder;
public class ChatUI implements Remote {
private Client client;
private IServer server;
String connexion = "Connexion";
JTextArea tx;
JTextField tf, ip, name;
JButton connect, send, disconnect;
JList<String> lst;
JFrame frame;
public void doConnect() {
if (connect.getText().equals(connexion)) {
if (name.getText().length() < 2) {
JOptionPane.showMessageDialog(frame, "Veuillez écrire un nom");
return;
}
if (ip.getText().length() < 2) {
JOptionPane.showMessageDialog(frame, "Veuillez entrer une IP");
return;
}
try {
client = new Client(name.getText());
client.setGUI(this);
server = (IServer) Naming.lookup("rmi://" + ip.getText() + "/myabc");
server.login(client);
updateUsers(server.getConnected());
connect.setText("Déconnexion");
} catch (Exception e) {
e.printStackTrace();
JOptionPane.showMessageDialog(frame, "ERREUR, Connexion impossible ...");
}
} else {
updateUsers(null);
connect.setText(connexion);
}
}
public void disconnectServer() throws RemoteException {
try {
// Unregister ourself
Naming.unbind("rmi://" + StartServer.adServer + "/myabc");
JOptionPane.showMessageDialog(frame, "Serveur éteint");
// Unexport; this will also remove us from the RMI runtime
UnicastRemoteObject.unexportObject(this, true);
} catch (Exception e) {
}
}
public void sendText() {
if (connect.getText().equals(connexion)) {
JOptionPane.showMessageDialog(frame, "Veuillez vous connecter d'abord");
return;
}
String st = tf.getText();
st = "[" + name.getText() + "] " + st;
tf.setText("");
// Remove if you are going to implement for remote invocation
try {
server.publish(st);
} catch (Exception e) {
e.printStackTrace();
}
}
public void writeMsg(String st) {
tx.setText(tx.getText() + "\n" + st);
}
public void updateUsers(@SuppressWarnings("rawtypes") Vector vector) {
DefaultListModel<String> listModel = new DefaultListModel<String>();
if (vector != null)
for (int i = 0; i < vector.size(); i++) {
try {
String tmp = ((IClient) vector.get(i)).getName();
listModel.addElement(tmp);
} catch (Exception e) {
e.printStackTrace();
}
}
lst.setModel(listModel);
}
public static void main(String[] args) {
System.out.println("Hello World !");
@SuppressWarnings("unused")
ChatUI c = new ChatUI();
}
// Interface utilisateur
public ChatUI() {
// InetAddress monIP=InetAddress.getLocalHost();
// String nosIp= monIP.getHostName();
frame = new JFrame("Chat");
JPanel main = new JPanel();
JPanel top = new JPanel();
JPanel cn = new JPanel();
JPanel bottom = new JPanel();
JPanel left = new JPanel();
ip = new JTextField();
tf = new JTextField();
name = new JTextField();
tx = new JTextArea();
connect = new JButton("Connexion");
send = new JButton("Envoyer");
disconnect = new JButton("Eteindre Serveur");
lst = new JList<String>();
main.setLayout(new BorderLayout(5, 5));
top.setLayout(new GridLayout(1, 0, 5, 5));
cn.setLayout(new BorderLayout(5, 5));
bottom.setLayout(new BorderLayout(5, 5));
left.setLayout(new GridLayout(1, 0, 5, 5));
top.add(new JLabel("Pseudo: "));
top.add(name);
top.add(new JLabel("Adresse Server: "));
top.add(ip);
top.add(connect);
top.add(disconnect);
left.add(new JLabel(" serveur dispo :"));
// left.add(adServer);
cn.add(new JScrollPane(tx), BorderLayout.CENTER);
cn.add(lst, BorderLayout.EAST);
bottom.add(tf, BorderLayout.CENTER);
bottom.add(send, BorderLayout.EAST);
main.add(top, BorderLayout.NORTH);
main.add(cn, BorderLayout.CENTER);
main.add(bottom, BorderLayout.SOUTH);
main.add(left, BorderLayout.WEST);
main.setBorder(new EmptyBorder(10, 10, 10, 10));
// Evenements
connect.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
doConnect();
}
});
send.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
sendText();
}
});
tf.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
sendText();
}
});
disconnect.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
try {
disconnectServer();
System.out.println("Le server est éteint");
} catch (RemoteException e1) {
e1.printStackTrace();
}
}
});
frame.setContentPane(main);
frame.setSize(600, 600);
frame.setVisible(true);
}
} |
