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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.log4j.chainsaw;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import java.util.Properties;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;
/**
* The main application.
*
* @author Oliver Burn
*/
public class Main
extends JFrame
{
/** the default port number to listen on **/
private static final int DEFAULT_PORT = 4445;
/** name of property for port name **/
public static final String PORT_PROP_NAME = "chainsaw.port";
/** use to log messages **/
private static final Logger LOG = Logger.getLogger(Main.class);
/**
* Creates a new Main instance.
*/
private Main() {
super("CHAINSAW - Log4J Log Viewer");
// create the all important model
final MyTableModel model = new MyTableModel();
//Create the menu bar.
final JMenuBar menuBar = new JMenuBar();
setJMenuBar(menuBar);
final JMenu menu = new JMenu("File");
menuBar.add(menu);
try {
final LoadXMLAction lxa = new LoadXMLAction(this, model);
final JMenuItem loadMenuItem = new JMenuItem("Load file...");
menu.add(loadMenuItem);
loadMenuItem.addActionListener(lxa);
} catch (NoClassDefFoundError e) {
LOG.info("Missing classes for XML parser", e);
JOptionPane.showMessageDialog(
this,
"XML parser not in classpath - unable to load XML events.",
"CHAINSAW",
JOptionPane.ERROR_MESSAGE);
} catch (Exception e) {
LOG.info("Unable to create the action to load XML files", e);
JOptionPane.showMessageDialog(
this,
"Unable to create a XML parser - unable to load XML events.",
"CHAINSAW",
JOptionPane.ERROR_MESSAGE);
}
final JMenuItem exitMenuItem = new JMenuItem("Exit");
menu.add(exitMenuItem);
exitMenuItem.addActionListener(ExitAction.INSTANCE);
// Add control panel
final ControlPanel cp = new ControlPanel(model);
getContentPane().add(cp, BorderLayout.NORTH);
// Create the table
final JTable table = new JTable(model);
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
final JScrollPane scrollPane = new JScrollPane(table);
scrollPane.setBorder(BorderFactory.createTitledBorder("Events: "));
scrollPane.setPreferredSize(new Dimension(900, 300));
// Create the details
final JPanel details = new DetailPanel(table, model);
details.setPreferredSize(new Dimension(900, 300));
// Add the table and stack trace into a splitter
final JSplitPane jsp =
new JSplitPane(JSplitPane.VERTICAL_SPLIT, scrollPane, details);
getContentPane().add(jsp, BorderLayout.CENTER);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent aEvent) {
ExitAction.INSTANCE.actionPerformed(null);
}
});
pack();
setVisible(true);
setupReceiver(model);
}
/**
* Setup recieving messages.
*
* @param aModel a MyTableModel value
*/
private void setupReceiver(MyTableModel aModel) {
int port = DEFAULT_PORT;
final String strRep = System.getProperty(PORT_PROP_NAME);
if (strRep != null) {
try {
port = Integer.parseInt(strRep);
} catch (NumberFormatException nfe) {
LOG.fatal("Unable to parse " + PORT_PROP_NAME +
" property with value " + strRep + ".");
JOptionPane.showMessageDialog(
this,
"Unable to parse port number from '" + strRep +
"', quitting.",
"CHAINSAW",
JOptionPane.ERROR_MESSAGE);
System.exit(1);
}
}
try {
final LoggingReceiver lr = new LoggingReceiver(aModel, port);
lr.start();
} catch (IOException e) {
LOG.fatal("Unable to connect to socket server, quiting", e);
JOptionPane.showMessageDialog(
this,
"Unable to create socket on port " + port + ", quitting.",
"CHAINSAW",
JOptionPane.ERROR_MESSAGE);
System.exit(1);
}
}
////////////////////////////////////////////////////////////////////////////
// static methods
////////////////////////////////////////////////////////////////////////////
/** initialise log4j **/
private static void initLog4J() {
final Properties props = new Properties();
props.setProperty("log4j.rootLogger", "DEBUG, A1");
props.setProperty("log4j.appender.A1",
"org.apache.log4j.ConsoleAppender");
props.setProperty("log4j.appender.A1.layout",
"org.apache.log4j.TTCCLayout");
PropertyConfigurator.configure(props);
}
/**
* The main method.
*
* @param aArgs ignored
*/
public static void main(String[] aArgs) {
initLog4J();
new Main();
}
}
