FileDocCategorySizeDatePackage
Main.javaAPI DocApache log4j 1.2.156646Sat Aug 25 00:09:40 BST 2007org.apache.log4j.chainsaw

Main

public class Main extends JFrame
The main application.
author
Oliver Burn

Fields Summary
private static final int
DEFAULT_PORT
the default port number to listen on
public static final String
PORT_PROP_NAME
name of property for port name
private static final Logger
LOG
use to log messages
Constructors Summary
private Main()
Creates a new Main instance.



              
      
        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);
Methods Summary
private static voidinitLog4J()
initialise log4j

        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);
public static voidmain(java.lang.String[] aArgs)
The main method.

param
aArgs ignored

        initLog4J();
        new Main();
private voidsetupReceiver(org.apache.log4j.chainsaw.MyTableModel aModel)
Setup recieving messages.

param
aModel a MyTableModel value

        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);
        }