public boolean shutdown()

in src/main/java/org/apache/log4j/chainsaw/LogUI.java [1340:1402]
47 lines of code
6 McCabe index (conditional complexity)

    public boolean shutdown() {
        boolean confirmExit = sm.getGlobalConfiguration().getBoolean("confirmExit", true);
        if (confirmExit) {
            if (
                JOptionPane.showConfirmDialog(
                    LogUI.this, "Are you sure you want to exit Chainsaw?",
                    "Confirm Exit", JOptionPane.YES_NO_OPTION,
                    JOptionPane.INFORMATION_MESSAGE) != JOptionPane.YES_OPTION) {
                return false;
            }

        }

        final JWindow progressWindow = new JWindow();
        final ProgressPanel panel = new ProgressPanel(1, 3, "Shutting down");
        progressWindow.getContentPane().add(panel);
        progressWindow.pack();

        Point p = new Point(getLocation());
        p.move((int) getSize().getWidth() >> 1, (int) getSize().getHeight() >> 1);
        progressWindow.setLocation(p);
        progressWindow.setVisible(true);

        Runnable runnable =
            () -> {
                try {
                    int progress = 1;
                    final int delay = 25;

                    panel.setProgress(progress++);

                    Thread.sleep(delay);

                    for( ChainsawReceiver rx : m_receivers ){
                        rx.shutdown();
                    }
                    panel.setProgress(progress++);

                    Thread.sleep(delay);

                    panel.setProgress(progress++);
                    Thread.sleep(delay);
                } catch (Exception e) {
                    e.printStackTrace();
                }

                fireShutdownEvent();
                performShutdownAction();
                progressWindow.setVisible(false);
            };

        if (OSXIntegration.IS_OSX) {
            /**
             * or OSX we do it in the current thread because otherwise returning
             * will exit the process before it's had a chance to save things
             *
             */
            runnable.run();
        } else {
            new Thread(runnable).start();
        }
        return true;
    }