Edit C:\Program Files\Java\jdk1.8.0_121\com\sun\glass\ui\monocle\NativePlatform.java

/*
 * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package com.sun.glass.ui.monocle;

/** Abstract of a platform on which JavaFX can run. */
public abstract class NativePlatform {

private static InputDeviceRegistry inputDeviceRegistry;
    private final RunnableProcessor runnableProcessor;
    private NativeCursor cursor;
    private NativeScreen screen;
    protected AcceleratedScreen accScreen;

protected NativePlatform() {
        runnableProcessor = new RunnableProcessor();
    }

/**
     * Called once during JavaFX shutdown to release platform resources.
     */
    void shutdown() {
        runnableProcessor.shutdown();
        if (cursor != null) {
            cursor.shutdown();
        }
        if (screen != null) {
            screen.shutdown();
        }
    }

/**
     * @return the RunnableProcessor used to post events to the JavaFX event queue.
     */
    RunnableProcessor getRunnableProcessor() {
        return runnableProcessor;
    }

/**
     * @return the InputDeviceRegistry that maintains a list of input devices
     * for this platform.
     */
    synchronized InputDeviceRegistry getInputDeviceRegistry() {
        if (inputDeviceRegistry == null) {
            inputDeviceRegistry = createInputDeviceRegistry();
        }
        return inputDeviceRegistry;
    }

/**
     * Creates the InputDeviceRegistry for this platform. Called once.
     *
     * @return a new InputDeviceRegistry
     */
    protected abstract InputDeviceRegistry createInputDeviceRegistry();

/**
     * Creates the NativeCursor for this platform. Called once.
     *
     * @return a new NativeCursor
     */
    protected abstract NativeCursor createCursor();

/** Obtains the singleton NativeCursor
     *
     * @return the NativeCursor
     */
    synchronized NativeCursor getCursor() {
        if (cursor == null) {
            cursor = createCursor();
        }
        return cursor;
    }

/**
     * Creates the NativeScreen for this platform. Called once.
     *
     * @return a new NativeScreen
     */
    protected abstract NativeScreen createScreen();

/**
     * Obtains the singleton NativeScreen
     *
     * @return the NativeScreen
     */
    synchronized NativeScreen getScreen() {
        if (screen == null) {
            screen = createScreen();
        }
        return screen;
    }

/**
     * Gets the AcceleratedScreen for this platform
     *
     * @param attributes a sequence of pairs (GLAttibute, value)
     * @return an AcceleratedScreen for rendering using OpenGL
     * @throws GLException if no OpenGL surface could be created
     * @throws UnsatisfiedLinkError if native graphics libraries could not be loaded for this platform.
     */
    public synchronized AcceleratedScreen getAcceleratedScreen(int[] attributes)
            throws GLException, UnsatisfiedLinkError {
        if (accScreen == null) {
            accScreen = new AcceleratedScreen(attributes);
        }
        return accScreen;
    }

}

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