/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software
* License version 1.1, a copy of which has been included with this
* distribution in the LICENSE.txt file. */
import org.apache.log4j.helpers.CyclicBuffer;
import org.apache.log4j.helpers.LogLog;
import org.apache.log4j.Priority;
import org.apache.log4j.Logger;
import org.apache.log4j.Layout;
import org.apache.log4j.PatternLayout;
import org.apache.log4j.spi.LoggingEvent;
import javax.swing.JList;
import javax.swing.AbstractListModel;
import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableCellRenderer;
import javax.swing.JScrollPane;
import javax.swing.ListCellRenderer;
import java.awt.Component;
import java.awt.FlowLayout;
import javax.swing.BoxLayout;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.Container;
import javax.swing.ImageIcon;
import java.awt.Image;
import java.awt.Toolkit;
import java.net.URL;
import java.awt.Rectangle;
public class AppenderTable extends JTable {
static Logger cat = Logger.getLogger(AppenderTable.class.getName());
PatternLayout layout;
public
AppenderTable() {
layout = new PatternLayout("%r %p %c [%t] - %m");
this.setDefaultRenderer(Object.class, new Renderer());
}
public
void add(LoggingEvent event) {
((AppenderTableModel)getModel()).add(event);
}
public
Dimension getPreferredSize() {
System.out.println("getPreferredSize() called");
return super.getPreferredSize();
}
static public void main(String[] args) {
if(args.length != 1) {
System.err.println(
"Usage: java AppenderTable bufferSize\n"+
" where bufferSize is the size of the cyclic buffer in the TableModel\n");
return;
}
JFrame frame = new JFrame("JTableAppennder test");
Container container = frame.getContentPane();
AppenderTable tableAppender = new AppenderTable();
AppenderTableModel model = new
AppenderTableModel(Integer.parseInt(args[0]));
tableAppender.setModel(model);
//appender.createDefaultColumnsFromModel();
JScrollPane sp = new JScrollPane(tableAppender);
sp.setPreferredSize(new Dimension(250, 80));
container.setLayout(new BoxLayout(container, BoxLayout.X_AXIS));
container.add(sp);
JButton button = new JButton("ADD");
container.add(button);
button.addActionListener(new JTableAddAction(tableAppender));
frame.setVisible(true);
frame.setSize(new Dimension(700,700));
long before = System.currentTimeMillis();
int RUN = 100;
int i = 0;
while(i++ < RUN) {
LoggingEvent event = new LoggingEvent("x", cat, Priority.ERROR,
"Message "+i, null);
tableAppender.add(event);
}
long after = System.currentTimeMillis();
System.out.println("Time taken :"+ ((after-before)*1000/RUN));
}
class Renderer extends JTextArea implements TableCellRenderer {
Object o = new Object();
int i = 0;
public
Renderer() {
System.out.println("Render() called ----------------------");
}
public Component getTableCellRendererComponent(JTable table,
Object value,
boolean isSelected,
boolean hasFocus,
int row,
int column) {
System.out.println(o + " ============== " + i++);
//LogLog.error("=======", new Exception());
//setIcon(longIcon);
if(value instanceof LoggingEvent) {
LoggingEvent event = (LoggingEvent) value;
String str = layout.format(event);
setText(str);
} else {
setText(value.toString());
}
return this;
}
}
}
class AppenderTableModel extends AbstractTableModel {
CyclicBuffer cb;
AppenderTableModel(int size) {
cb = new CyclicBuffer(size);
}
public
void add(LoggingEvent event) {
//System.out.println("JListViewModel.add called");
cb.add(event);
int j = cb.length();
fireTableDataChanged();
}
public
int getColumnCount() {
return 1;
}
public int getRowCount() {
return cb.length();
}
//public
//Class getColumnClass(int index) {
// System.out.println("getColumnClass called " + index);
// return LoggingEvent.class;
//}
public
Object getValueAt(int row, int col) {
return cb.get(row);
}
}
class JTableAddAction implements ActionListener {
int j;
AppenderTable appender;
Logger cat = Logger.getLogger("x");
public
JTableAddAction(AppenderTable appender) {
this.appender = appender;
j = 0;
}
public
void actionPerformed(ActionEvent e) {
System.out.println("Action occured");
LoggingEvent event = new LoggingEvent("x", cat, Priority.DEBUG,
"Message "+j, null);
if(j % 5 == 0) {
//event.throwable = new Exception("hello "+j);
}
j++;
appender.add(event);
}
}