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TextPaneAppenderExample.javaAPI DocApache log4j 1.2.153233Sat Aug 25 00:09:34 BST 2007org.apache.log4j.gui.examples

TextPaneAppenderExample

public class TextPaneAppenderExample extends Object implements ActionListener

Fields Summary
JFrame
mainframe
ButtonGroup
priorities
TextPaneAppender
tpa
Category
gui
Priority[]
prio
JTabbedPane
logview
Constructors Summary
public TextPaneAppenderExample()

	mainframe = new JFrame("Testing the TextPaneAppender...");
	mainframe.setSize(300,300);
	logview = new JTabbedPane();
	createLogger();
	createMenuBar();
	mainframe.setVisible(true);
	mainframe.getContentPane().add(logview);
    
Methods Summary
public voidactionPerformed(java.awt.event.ActionEvent ae)

	String logtext = JOptionPane.showInputDialog("Text to log");
	if (logtext == null) logtext="NO Input";
	int i=0;
	String name = priorities.getSelection().getActionCommand();
	while (!prio[i].toString().equals(name))
	    i=i+1;
	gui.log(prio[i],logtext);
    
public voidcreateLogger()

	tpa = new TextPaneAppender(new PatternLayout("%-5p %d [%t]:  %m%n"),"Debug");
	logview.addTab("Events ...",new JScrollPane(tpa.getTextPane()));
	gui = Category.getInstance(this.getClass().getName());
	gui.addAppender(tpa);
    
public voidcreateMenuBar()

	JMenu file = new JMenu("File");
	JMenuItem exit = new JMenuItem("Exit");
	exit.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent ae) {
		    System.exit(0);
		}
	    });
	file.add(exit);
	JMenuBar mb = new JMenuBar();
	mb.add(file);
	
	JMenu logevent = new JMenu("LoggingEvents");
	JMenu selectprio = new JMenu("Priority");
	
	prio = Priority.getAllPossiblePriorities();
	JRadioButtonMenuItem priority[]= new JRadioButtonMenuItem[prio.length];
	priorities = new ButtonGroup();
	
	for (int i=0; i<prio.length;i++) {
	    if (i==0)
		priority[i] = new JRadioButtonMenuItem(prio[i].toString(),true);
	    else
		priority[i] = new JRadioButtonMenuItem(prio[i].toString());
	    priority[i].setActionCommand(prio[i].toString());
	    selectprio.add(priority[i]);
	    priorities.add(priority[i]);

	}
	
	logevent.add(selectprio);
	
	JMenuItem lognow = new JMenuItem("LogIt!");
	lognow.addActionListener(this);
	logevent.add(lognow);
	
	mb.add(logevent);
	
	mainframe.setJMenuBar(mb);
	
    
public static voidmain(java.lang.String[] args)

	TextPaneAppenderExample tpex = new TextPaneAppenderExample();