/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.awt; import java.awt.*;import java.awt.dnd.*;import java.awt.dnd.peer.DragSourceContextPeer;import java.awt.im.InputMethodHighlight;import java.awt.im.spi.InputMethodDescriptor;import java.awt.image.*;import java.awt.datatransfer.Clipboard;import java.awt.peer.*;import java.util.Map;import java.util.Properties; /* * HToolkit is a platform independent Toolkit used * with the HeadlessToolkit.  It is primarily used * in embedded JRE's that do not have sun/awt/X11 classes. */public class HToolkit extends SunToolkit    implements ComponentFactory {     public HToolkit() {    }     /*     * Component peer objects - unsupported.     */     public WindowPeer createWindow(Window target)        throws HeadlessException {        throw new HeadlessException();    }     public FramePeer createFrame(Frame target)        throws HeadlessException {        throw new HeadlessException();    }     public DialogPeer createDialog(Dialog target)        throws HeadlessException {        throw new HeadlessException();    }     public ButtonPeer createButton(Button target)        throws HeadlessException {        throw new HeadlessException();    }     public TextFieldPeer createTextField(TextField target)        throws HeadlessException {        throw new HeadlessException();    }     public ChoicePeer createChoice(Choice target)        throws HeadlessException {        throw new HeadlessException();    }     public LabelPeer createLabel(Label target)        throws HeadlessException {        throw new HeadlessException();    }     public ListPeer createList(List target)        throws HeadlessException {        throw new HeadlessException();    }     public CheckboxPeer createCheckbox(Checkbox target)        throws HeadlessException {        throw new HeadlessException();    }     public ScrollbarPeer createScrollbar(Scrollbar target)        throws HeadlessException {        throw new HeadlessException();    }     public ScrollPanePeer createScrollPane(ScrollPane target)        throws HeadlessException {        throw new HeadlessException();    }     public TextAreaPeer createTextArea(TextArea target)        throws HeadlessException {        throw new HeadlessException();    }     public FileDialogPeer createFileDialog(FileDialog target)        throws HeadlessException {        throw new HeadlessException();    }     public MenuBarPeer createMenuBar(MenuBar target)        throws HeadlessException {        throw new HeadlessException();    }     public MenuPeer createMenu(Menu target)        throws HeadlessException {        throw new HeadlessException();    }     public PopupMenuPeer createPopupMenu(PopupMenu target)        throws HeadlessException {        throw new HeadlessException();    }     public MenuItemPeer createMenuItem(MenuItem target)        throws HeadlessException {        throw new HeadlessException();    }     public CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target)        throws HeadlessException {        throw new HeadlessException();    }     public DragSourceContextPeer createDragSourceContextPeer(        DragGestureEvent dge)        throws InvalidDnDOperationException {        throw new InvalidDnDOperationException("Headless environment");    }     public RobotPeer createRobot(Robot target, GraphicsDevice screen)        throws AWTException, HeadlessException {        throw new HeadlessException();    }     public KeyboardFocusManagerPeer createKeyboardFocusManagerPeer(KeyboardFocusManager manager) {        // See 6833019.        return            new KeyboardFocusManagerPeer() {                public Window getCurrentFocusedWindow() { return null; }                public void setCurrentFocusOwner(Component comp) {}                public Component getCurrentFocusOwner() { return null; }                public void clearGlobalFocusOwner(Window activeWindow) {}            };    }     public TrayIconPeer createTrayIcon(TrayIcon target)      throws HeadlessException {        throw new HeadlessException();    }     public SystemTrayPeer createSystemTray(SystemTray target)      throws HeadlessException {        throw new HeadlessException();    }     public boolean isTraySupported() {        return false;    }     public GlobalCursorManager getGlobalCursorManager()        throws HeadlessException {        throw new HeadlessException();    }     /*     * Headless toolkit - unsupported.     */    protected void loadSystemColors(int[] systemColors)        throws HeadlessException {        throw new HeadlessException();    }     public ColorModel getColorModel()        throws HeadlessException {        throw new HeadlessException();    }     public int getScreenResolution()        throws HeadlessException {        throw new HeadlessException();    }     public Map mapInputMethodHighlight(InputMethodHighlight highlight)        throws HeadlessException {        throw new HeadlessException();    }     public int getMenuShortcutKeyMask()        throws HeadlessException {        throw new HeadlessException();    }     public boolean getLockingKeyState(int keyCode)        throws UnsupportedOperationException {        throw new HeadlessException();    }     public void setLockingKeyState(int keyCode, boolean on)        throws UnsupportedOperationException {        throw new HeadlessException();    }     public Cursor createCustomCursor(Image cursor, Point hotSpot, String name)        throws IndexOutOfBoundsException, HeadlessException {        throw new HeadlessException();    }     public Dimension getBestCursorSize(int preferredWidth, int preferredHeight)        throws HeadlessException {        throw new HeadlessException();    }     public int getMaximumCursorColors()        throws HeadlessException {        throw new HeadlessException();    }     public <T extends DragGestureRecognizer> T        createDragGestureRecognizer(Class<T> abstractRecognizerClass,                                    DragSource ds, Component c,                                    int srcActions, DragGestureListener dgl)    {        return null;    }     public int getScreenHeight()        throws HeadlessException {        throw new HeadlessException();    }     public int getScreenWidth()        throws HeadlessException {        throw new HeadlessException();    }     public Dimension getScreenSize()        throws HeadlessException {        throw new HeadlessException();    }     public Insets getScreenInsets(GraphicsConfiguration gc)        throws HeadlessException {        throw new HeadlessException();    }     public void setDynamicLayout(boolean dynamic)        throws HeadlessException {        throw new HeadlessException();    }     protected boolean isDynamicLayoutSet()        throws HeadlessException {        throw new HeadlessException();    }     public boolean isDynamicLayoutActive()        throws HeadlessException {        throw new HeadlessException();    }     public Clipboard getSystemClipboard()        throws HeadlessException {        throw new HeadlessException();    }     /*     * Printing     */    public PrintJob getPrintJob(Frame frame, String jobtitle,        JobAttributes jobAttributes,        PageAttributes pageAttributes) {        if (frame != null) {            // Should never happen            throw new HeadlessException();        }        throw new IllegalArgumentException(                "PrintJob not supported in a headless environment");    }     public PrintJob getPrintJob(Frame frame, String doctitle, Properties props)    {        if (frame != null) {            // Should never happen            throw new HeadlessException();        }        throw new IllegalArgumentException(                "PrintJob not supported in a headless environment");    }     /*     * Headless toolkit - supported.     */     public void sync() {        // Do nothing    }     protected boolean syncNativeQueue(final long timeout) {        return false;    }     public void beep() {        // Send alert character        System.out.write(0x07);    }      /*     * Fonts     */    public FontPeer getFontPeer(String name, int style) {        return (FontPeer)null;    }     /*     * Modality     */    public boolean isModalityTypeSupported(Dialog.ModalityType modalityType) {        return false;    }     public boolean isModalExclusionTypeSupported(Dialog.ModalExclusionType exclusionType) {        return false;    }     public boolean isDesktopSupported() {        return false;    }     public DesktopPeer createDesktopPeer(Desktop target)    throws HeadlessException{        throw new HeadlessException();    }     public boolean isWindowOpacityControlSupported() {        return false;    }     public boolean isWindowShapingSupported() {        return false;    }     public boolean isWindowTranslucencySupported() {        return false;    }     public  void grab(Window w) { }     public void ungrab(Window w) { }     protected boolean syncNativeQueue() { return false; }     public InputMethodDescriptor getInputMethodAdapterDescriptor()        throws AWTException    {        return (InputMethodDescriptor)null;    }}