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import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/**
* @author Andreas Spirka, Sven Eisenhauer
* Benutzerauthentifizierungsdialog
*/
public class PwDialog extends AbstractMyJDlg {
Container c;
JPanel pTop = new JPanel();
JPanel pCenter = new JPanel();
JPanel pBottom = new JPanel();
JLabel l = new JLabel("login");
JLabel pw = new JLabel ("password");
JTextField tf = new JTextField(12);
JPasswordField pf = new JPasswordField(12);
JButton okB = new JButton("OK");
JButton abbrB = new JButton("Abbrechen");
User authUser = new User("gast","gast","Gast",1024,User.ROLE_GUEST);;
String fName = new String ("user.dat");
/**
* Konstruktor
* @param owner
* @param title
* @param modal
*/
public PwDialog(Frame owner, String title, boolean modal) {
setSize(240,110);
this.setResizable(false);
setModal(modal);
c = getContentPane();
getRootPane().setDefaultButton(okB); //mit Eingabetaste best�tigen
c.setLayout( new GridLayout(3, 2,6,3 ) );
ButtonListener2 bl = new ButtonListener2(this);
okB.addActionListener(bl);
okB.setActionCommand("submitPW");
abbrB.addActionListener(bl);
abbrB.setActionCommand("abbrechen");
c.add(l);
c.add(tf);
c.add(pw);
c.add(pf);
c.add(okB);
c.add(abbrB);
setTitle(title);
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = getSize();
setLocation((screenSize.width/2)-(frameSize.width/2),(screenSize.height/2)-(frameSize.height/2));
setVisible(true);
}
/* (non-Javadoc)
* @see AbstractMyJDlg#buttonActionPerformed(java.awt.event.ActionEvent)
*/
public void buttonActionPerformed( ActionEvent e )
{
if (e.getActionCommand().equals("abbrechen"))
{
this.dispose();
}
if (e.getActionCommand().equals("submitPW"))
{
String name= new String(tf.getText());
String pw= new String(pf.getPassword());
UserCon userCon;
File myFile = new File(fName);
if(!myFile.exists())
{
userCon = new UserCon();
userCon.addUser(new User("adm","adm","Administrator",0,3));
try {
FileOutputStream fos = new FileOutputStream(fName);
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeObject(userCon);
oos.close();
fos.close();
} catch (Exception exception) { exception.printStackTrace(); }
}
try {
FileInputStream fis = new FileInputStream(fName);
ObjectInputStream ois = new ObjectInputStream(fis);
userCon = (UserCon) ois.readObject();
ois.close();
fis.close();
for (int i=0;i<userCon.size();i++)
{
String actname=new String(((User)userCon.elementAt(i)).getUserName());
String actpw=new String (((User)userCon.elementAt(i)).getPassWd());
if(name.equals(actname))
{
if(pw.equals(actpw))
{
//JOptionPane.showMessageDialog(this,"Benutzer "+name+" authentifiziert","Erfolg",JOptionPane.INFORMATION_MESSAGE);
setVisible(false);
authUser=(User)userCon.elementAt(i);
}//end if2
else
{
JOptionPane.showMessageDialog(this,"Benutzer "+name+" nicht authentifiziert","Misserfolg",JOptionPane.INFORMATION_MESSAGE);
}//end else
}//end if1
}//end for
} //end try
catch (Exception exception) { exception.printStackTrace(); }
}//end if0 get.source
}//buttonActionPerformed
/**
* @return User
*/
public User getUser(){return authUser;};
}//end class PwDialog
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