Re: log4j configuration and Applets

Richard Maher wrote:


Just get the anonymous logger, log to that and don't attempt
to change the config (if you do that then you will get in a fight
with the security manager).

See code below.

Arne

=====================================

package test2;

import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JOptionPane;

public class LogApplet extends JApplet {
     private Logger log = Logger.getAnonymousLogger();
     private JButton debugbtn = new JButton("Log debug");
     private JButton infobtn = new JButton("Log info");
     private JButton warnbtn = new JButton("Log warning");
     private JButton errorbtn = new JButton("Log error");
     private JButton consolebtn = new JButton("Log to console");
     private JButton guibtn = new JButton("Log to GUI");
     private boolean console = false;
     private boolean gui = false;
     public void init() {
         log.setLevel(Level.OFF);
         debugbtn.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
                 JOptionPane.showMessageDialog(null, "No debug level
loggin possible");
             }
         });
         infobtn.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
                 log.info("This is a test");
             }
         });
         warnbtn.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
                 log.warning("This is a test");
             }
         });
         errorbtn.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
                 log.severe("This is a test");
             }
         });
         consolebtn.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
                 console = !console;
                 if(console) {
                     log.setLevel(Level.FINE);
                 } else {
                     log.setLevel(Level.OFF);
                 }
             }
         });
         guibtn.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
                 gui = !gui;
                 JOptionPane.showMessageDialog(null, "No fancy GUI
handler here");
             }
         });
         getContentPane().setLayout(new GridLayout(3,2 ));
         getContentPane().add(debugbtn);
         getContentPane().add(infobtn);
         getContentPane().add(warnbtn);
         getContentPane().add(errorbtn);
         getContentPane().add(consolebtn);
         getContentPane().add(guibtn);

     }
}