/* * Copyright 1999-2005 The Apache Software Foundation. *  * Licensed 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 <a href="mailto:oliver@puppycrawl.com">Oliver Burn</a> */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 <code>Main</code> 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 <code>MyTableModel</code> 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();    }}