logbrokermonitor.java

java日志读写

    );
    return editRestoreAllNDCMI;
  }

  protected JToolBar createToolBar() {
    JToolBar tb = new JToolBar();
    tb.putClientProperty("JToolBar.isRollover", Boolean.TRUE);
    JComboBox fontCombo = new JComboBox();
    JComboBox fontSizeCombo = new JComboBox();
    _fontSizeCombo = fontSizeCombo;

    ClassLoader cl = this.getClass().getClassLoader();
    if(cl == null) {
        cl = ClassLoader.getSystemClassLoader();
    }
    URL newIconURL = cl.getResource("org/apache/log4j/lf5/viewer/" +
        "images/channelexplorer_new.gif");

    ImageIcon newIcon = null;

    if (newIconURL != null) {
      newIcon = new ImageIcon(newIconURL);
    }

    JButton newButton = new JButton("Clear Log Table");

    if (newIcon != null) {
      newButton.setIcon(newIcon);
    }

    newButton.setToolTipText("Clear Log Table.");
    //newButton.setBorder(BorderFactory.createEtchedBorder());

    newButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            _table.clearLogRecords();
            _categoryExplorerTree.getExplorerModel().resetAllNodeCounts();
            updateStatusLabel();
            clearDetailTextArea();
            LogRecord.resetSequenceNumber();
          }
        }
    );

    Toolkit tk = Toolkit.getDefaultToolkit();
    // This will actually grab all the fonts

    String[] fonts;

    if (_loadSystemFonts) {
      fonts = GraphicsEnvironment.
          getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
    } else {
      fonts = tk.getFontList();
    }

    for (int j = 0; j < fonts.length; j++) {
      fontCombo.addItem(fonts[j]);
    }

    fontCombo.setSelectedItem(_fontName);

    fontCombo.addActionListener(

        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            JComboBox box = (JComboBox) e.getSource();
            String font = (String) box.getSelectedItem();
            _table.setFont(new Font(font, Font.PLAIN, _fontSize));
            _fontName = font;
          }
        }
    );

    fontSizeCombo.addItem("8");
    fontSizeCombo.addItem("9");
    fontSizeCombo.addItem("10");
    fontSizeCombo.addItem("12");
    fontSizeCombo.addItem("14");
    fontSizeCombo.addItem("16");
    fontSizeCombo.addItem("18");
    fontSizeCombo.addItem("24");

    fontSizeCombo.setSelectedItem(String.valueOf(_fontSize));
    fontSizeCombo.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            JComboBox box = (JComboBox) e.getSource();
            String size = (String) box.getSelectedItem();
            int s = Integer.valueOf(size).intValue();

            setFontSizeSilently(s);
            refreshDetailTextArea();
            _fontSize = s;
          }
        }
    );

    tb.add(new JLabel(" Font: "));
    tb.add(fontCombo);
    tb.add(fontSizeCombo);
    tb.addSeparator();
    tb.addSeparator();
    tb.add(newButton);

    newButton.setAlignmentY(0.5f);
    newButton.setAlignmentX(0.5f);

    fontCombo.setMaximumSize(fontCombo.getPreferredSize());
    fontSizeCombo.setMaximumSize(
        fontSizeCombo.getPreferredSize());

    return (tb);
  }

//    protected void setView(String viewString, LogTable table) {
//        if (STANDARD_VIEW.equals(viewString)) {
//            table.setStandardView();
//        } else if (COMPACT_VIEW.equals(viewString)) {
//            table.setCompactView();
//        } else if (DETAILED_VIEW.equals(viewString)) {
//            table.setDetailedView();
//        } else {
//            String message = viewString + "does not match a supported view.";
//            throw new IllegalArgumentException(message);
//        }
//        _currentView = viewString;
//    }

  protected void setView(String viewString, LogTable table) {
    if (DETAILED_VIEW.equals(viewString)) {
      table.setDetailedView();
    } else {
      String message = viewString + "does not match a supported view.";
      throw new IllegalArgumentException(message);
    }
    _currentView = viewString;
  }

  protected JComboBox createLogLevelCombo() {
    JComboBox result = new JComboBox();
    Iterator levels = getLogLevels();
    while (levels.hasNext()) {
      result.addItem(levels.next());
    }
    result.setSelectedItem(_leastSevereDisplayedLogLevel);

    result.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        JComboBox box = (JComboBox) e.getSource();
        LogLevel level = (LogLevel) box.getSelectedItem();
        setLeastSevereDisplayedLogLevel(level);
      }
    });
    result.setMaximumSize(result.getPreferredSize());
    return result;
  }

  protected void setLeastSevereDisplayedLogLevel(LogLevel level) {
    if (level == null || _leastSevereDisplayedLogLevel == level) {
      return; // nothing to do
    }
    _leastSevereDisplayedLogLevel = level;
    _table.getFilteredLogTableModel().refresh();
    updateStatusLabel();
  }

  /**
   * Ensures that the Table's ScrollPane Viewport will "track" with updates
   * to the Table.  When the vertical scroll bar is at its bottom anchor
   * and tracking is enabled then viewport will stay at the bottom most
   * point of the component.  The purpose of this feature is to allow
   * a developer to watch the table as messages arrive and not have to
   * scroll after each new message arrives.  When the vertical scroll bar
   * is at any other location, then no tracking will happen.
   * @deprecated tracking is now done automatically.
   */
  protected void trackTableScrollPane() {
    // do nothing
  }

  protected void centerFrame(JFrame frame) {
    Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension comp = frame.getSize();

    frame.setLocation(((screen.width - comp.width) / 2),
        ((screen.height - comp.height) / 2));

  }

  /**
   * Uses a JFileChooser to select a file to opened with the
   * LF5 GUI.
   */
  protected void requestOpen() {
    JFileChooser chooser;

    if (_fileLocation == null) {
      chooser = new JFileChooser();
    } else {
      chooser = new JFileChooser(_fileLocation);
    }

    int returnVal = chooser.showOpenDialog(_logMonitorFrame);
    if (returnVal == JFileChooser.APPROVE_OPTION) {
      File f = chooser.getSelectedFile();
      if (loadLogFile(f)) {
        _fileLocation = chooser.getSelectedFile();
        _mruFileManager.set(f);
        updateMRUList();
      }
    }
  }

  /**
   * Uses a Dialog box to accept a URL to a file to be opened
   * with the LF5 GUI.
   */
  protected void requestOpenURL() {
    LogFactor5InputDialog inputDialog = new LogFactor5InputDialog(
        getBaseFrame(), "Open URL", "URL:");
    String temp = inputDialog.getText();

    if (temp != null) {
      if (temp.indexOf("://") == -1) {
        temp = "http://" + temp;
      }

      try {
        URL url = new URL(temp);
        if (loadLogFile(url)) {
          _mruFileManager.set(url);
          updateMRUList();
        }
      } catch (MalformedURLException e) {
        LogFactor5ErrorDialog error = new LogFactor5ErrorDialog(
            getBaseFrame(), "Error reading URL.");
      }
    }
  }

  /**
   * Removes old file list and creates a new file list
   * with the updated MRU list.
   */
  protected void updateMRUList() {
    JMenu menu = _logMonitorFrame.getJMenuBar().getMenu(0);
    menu.removeAll();
    menu.add(createOpenMI());
    menu.add(createOpenURLMI());
    menu.addSeparator();
    menu.add(createCloseMI());
    createMRUFileListMI(menu);
    menu.addSeparator();
    menu.add(createExitMI());
  }

  protected void requestClose() {
    setCallSystemExitOnClose(false);
    closeAfterConfirm();
  }

  /**
   * Opens a file in the MRU list.
   */
  protected void requestOpenMRU(ActionEvent e) {
    String file = e.getActionCommand();
    StringTokenizer st = new StringTokenizer(file);
    String num = st.nextToken().trim();
    file = st.nextToken("\n");

    try {
      int index = Integer.parseInt(num) - 1;

      InputStream in = _mruFileManager.getInputStream(index);
      LogFileParser lfp = new LogFileParser(in);
      lfp.parse(this);

      _mruFileManager.moveToTop(index);
      updateMRUList();

    } catch (Exception me) {
      LogFactor5ErrorDialog error = new LogFactor5ErrorDialog(
          getBaseFrame(), "Unable to load file " + file);
    }

  }

  protected void requestExit() {
    _mruFileManager.save();
    setCallSystemExitOnClose(true);
    closeAfterConfirm();
  }

  protected void closeAfterConfirm() {
    StringBuffer message = new StringBuffer();

    if (_callSystemExitOnClose == false) {
      message.append("Are you sure you want to close the logging ");
      message.append("console?\n");
      message.append("(Note: This will not shut down the Virtual Machine,\n");
      message.append("or the Swing event thread.)");
    } else {
      message.append("Are you sure you want to exit?\n");
      message.append("This will shut down the Virtual Machine.\n");
    }

    String title =
        "Are you sure you want to dispose of the Logging Console?";

    if (_callSystemExitOnClose == true) {
      title = "Are you sure you want to exit?";
    }
    int value = JOptionPane.showConfirmDialog(
        _logMonitorFrame,
        message.toString(),
        title,
        JOptionPane.OK_CANCEL_OPTION,
        JOptionPane.QUESTION_MESSAGE,
        null
    );

    if (value == JOptionPane.OK_OPTION) {
      dispose();
    }
  }

  protected Iterator getLogLevels() {
    return _levels.iterator();
  }

  protected Iterator getLogTableColumns() {
    return _columns.iterator();
  }

  /**
   * Loads and parses a log file.
   */
  protected boolean loadLogFile(File file) {
    boolean ok = false;
    try {
      LogFileParser lfp = new LogFileParser(file);
      lfp.parse(this);
      ok = true;
    } catch (IOException e) {
      LogFactor5ErrorDialog error = new LogFactor5ErrorDialog(
          getBaseFrame(), "Error reading " + file.getName());
    }

    return ok;
  }

  /**
   * Loads a parses a log file running on a server.
   */
  protected boolean loadLogFile(URL url) {
    boolean ok = false;
    try {
      LogFileParser lfp = new LogFileParser(url.openStream());
      lfp.parse(this);
      ok = true;
    } catch (IOException e) {
      LogFactor5ErrorDialog error = new LogFactor5ErrorDialog(
          getBaseFrame(), "Error reading URL:" + url.getFile());
    }
    return ok;
  }
  //--------------------------------------------------------------------------
  //   Private Methods:
  //--------------------------------------------------------------------------

  //--------------------------------------------------------------------------
  //   Nested Top-Level Classes or Interfaces:
  //--------------------------------------------------------------------------

  class LogBrokerMonitorWindowAdaptor extends WindowAdapter {
    protected LogBrokerMonitor _monitor;

    public LogBrokerMonitorWindowAdaptor(LogBrokerMonitor monitor) {
      _monitor = monitor;
    }

    public void windowClosing(WindowEvent ev) {
      _monitor.requestClose();
    }
  }
}