petstoreadminclient.java

sun公司的petstore,一个J2ee的示例应用程序.

        toolBar.add(salesToggleButton);

        toolBar.addSeparator();

        ButtonGroup group = new ButtonGroup();
        group.add(ordersToggleButton);
        group.add(salesToggleButton);
        ordersToggleButton.setSelected(true);

        JButton button = toolBar.add(refreshAction);
        button.setToolTipText(
            (String)refreshAction.getValue(Action.SHORT_DESCRIPTION));
        button.addMouseListener(mouseHandler);

        button = toolBar.add(aboutAction);
        button.setToolTipText(
            (String)aboutAction.getValue(Action.SHORT_DESCRIPTION));
        button.addMouseListener(mouseHandler);

        return toolBar;
    }

    private static ResourceBundle getResourceBundle() {
        if (bundle == null) {
            bundle = ResourceBundle.getBundle("resources.petstore");
        }
        return bundle;
    }

    /**
     * Retrieve a localized string from our resource bundle.
     *
     * @param key Key for the string we want to retrieve.
     * @return Localized string.
     */
    public static String getString(String key) {
        String result = null;
        try {
            result = getResourceBundle().getString(key);
        } catch (MissingResourceException e) {
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

    /**
     * Retrieve a localized mnemonic character from our resource bundle.
     *
     * @param key Key for the mnemonic character we want to retrieve.
     * @return Localized mnemonic character.
     */
    public static char getMnemonic(String key) {
        return (getString(key)).charAt(0);
    }

    /**
     * Retrieve an integer from our resource bundle.
     *
     * @param key Key for the integer we want to retrieve.
     * @return Integer value.
     */
    public static int getInteger(String key) {
        int result = -1;
        try {
            result = Integer.parseInt(getString(key));
        } catch (NumberFormatException e) {
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

    public void propertyChange(PropertyChangeEvent e) {
        String property = e.getPropertyName();

        if (DataSource.DISABLE_ACTIONS.equals(property)) {
            refreshAction.setEnabled(false);
            aboutAction.setEnabled(false);
            exitAction.setEnabled(false);
        } else if (DataSource.ENABLE_ACTIONS.equals(property)) {
            refreshAction.setEnabled(true);
            aboutAction.setEnabled(true);
            exitAction.setEnabled(true);
        }
    }

    private class MouseHandler extends MouseAdapter {
        public MouseHandler() {
        }

        public void mouseEntered(MouseEvent evt) {
            if (evt.getSource() instanceof AbstractButton) {
                AbstractButton button = (AbstractButton)evt.getSource();
                Action action = button.getAction();

                if (action != null) {
                    // Set the status bar message.
                    StatusBar.getInstance().setMessage(
                        (String)action.getValue(Action.LONG_DESCRIPTION));
                }
            }
        }

        public void mouseExited(MouseEvent e) {
            StatusBar.getInstance().setMessage(null);
        }
    }

    protected class ExitAction extends AbstractAction {
        public ExitAction() {
            super(getString("ExitAction.name"));
            putValue(SHORT_DESCRIPTION, getString("ExitAction.tooltip"));
            putValue(LONG_DESCRIPTION, getString("ExitAction.description"));
        }

        public void actionPerformed(ActionEvent e) {
            System.exit(0);
        }
    }

    protected class OrdersAction extends AbstractItemAction {
        public OrdersAction() {
            super(getString("OrdersAction.name"));
            putValue(SHORT_DESCRIPTION, getString("OrdersAction.tooltip"));
            putValue(LONG_DESCRIPTION, getString("OrdersAction.description"));
            putValue(SMALL_ICON, new ImageIcon(
                getClass().getResource("/resources/orders.gif")));
        }

        public void actionPerformed(ActionEvent e) {
            SwingUtilities.invokeLater(new Runnable() {
                public void run() {
                    // Remove sales panel.
                    if (salesTabbedPane.isShowing()) {
                        getContentPane().remove(salesTabbedPane);
                    }
                    // Add tabbed pane.
                    if (!ordersTabbedPane.isShowing()) {
                        getContentPane().add(ordersTabbedPane,
                            BorderLayout.CENTER);
                    }
                    validate();
                    repaint();
                }
            });
        }

        public void itemStateChanged(ItemEvent evt)  {
            boolean show;

            if (evt.getStateChange() == ItemEvent.SELECTED) {
                show = true;
            } else {
                show = false;
            }

            // Update all objects that share this item
            setSelected(show);
        }
    }

    protected class SalesAction extends AbstractItemAction {
        public SalesAction() {
            super(getString("SalesAction.name"));
            putValue(SHORT_DESCRIPTION, getString("SalesAction.tooltip"));
            putValue(LONG_DESCRIPTION, getString("SalesAction.description"));
            putValue(SMALL_ICON, new ImageIcon(
                getClass().getResource("/resources/sales.gif")));
        }

        public void actionPerformed(ActionEvent e) {
            SwingUtilities.invokeLater(new Runnable() {
                public void run() {
                    //Remove tabbed pane.
                    if (ordersTabbedPane.isShowing()) {
                        getContentPane().remove(ordersTabbedPane);
                    }
                    // Add sales panel.
                    if (!salesTabbedPane.isShowing()) {
                        getContentPane().add(salesTabbedPane,
                            BorderLayout.CENTER);
                    }
                    validate();
                    repaint();
                }
            });
        }

        public void itemStateChanged(ItemEvent evt)  {
            boolean show;

            if (evt.getStateChange() == ItemEvent.SELECTED) {
                show = true;
            } else {
                show = false;
            }

            // Update all objects that share this item
            setSelected(show);
        }
    }

    protected class AboutAction extends AbstractAction {
        public AboutAction() {
            super(getString("AboutAction.name"));
            putValue(SHORT_DESCRIPTION, getString("AboutAction.tooltip"));
            putValue(LONG_DESCRIPTION, getString("AboutAction.description"));
            putValue(SMALL_ICON, new ImageIcon(
                getClass().getResource("/resources/About24.gif")));
        }

        public void actionPerformed(ActionEvent e) {
            about();
        }
    }

    public static void main(String args[]) {
        if (args.length != 4) {
            System.err.println("Usage: java PetStoreAdminClient <class name for petstore proxy> <hostname> " +
                "<port> <session id>");
            System.exit(1);
        }
        new PetStoreAdminClient(args[0], args[1], args[2], args[3]);
    }
}