--- old/modules/javafx.swing/src/main/java/javafx/embed/swing/JFXPanel.java	2018-05-05 14:08:46.663247900 +0530
+++ new/modules/javafx.swing/src/main/java/javafx/embed/swing/JFXPanel.java	2018-05-05 14:08:45.945646600 +0530
@@ -77,13 +77,12 @@
 
 import java.lang.reflect.Method;
 import java.util.concurrent.atomic.AtomicInteger;
-import sun.awt.AppContext;
-import sun.awt.SunToolkit;
-import sun.java2d.SunGraphics2D;
-import sun.java2d.SurfaceData;
+
 import com.sun.javafx.logging.PlatformLogger;
 import com.sun.javafx.logging.PlatformLogger.Level;
 
+import jdk.swing.interop.SwingInterOpUtils;
+
 /**
 * {@code JFXPanel} is a component to embed JavaFX content into
  * Swing applications. The content to be displayed is specified
@@ -450,10 +449,7 @@
                 // component. Fire the same MOUSE_PRESSED event after
                 // requestFocus() so that 2nd mouse press will be honoured
                 // since now fx have focus
-                AppContext context = SunToolkit.targetToAppContext(this);
-                if (context != null) {
-                    SunToolkit.postEvent(context, e);
-                }
+		SwingInterOpUtils.postEvent(this, e);
             }
         }
 
@@ -570,11 +566,8 @@
         double newScaleFactorX = scaleFactorX;
         double newScaleFactorY = scaleFactorY;
         Graphics g = getGraphics();
-        if (g instanceof SunGraphics2D) {
-            SurfaceData sd = ((SunGraphics2D) g).surfaceData;
-            newScaleFactorX = sd.getDefaultScaleX();
-            newScaleFactorY = sd.getDefaultScaleY();
-        }
+	newScaleFactorX = SwingInterOpUtils.getDefaultScaleX(g);
+	newScaleFactorY = SwingInterOpUtils.getDefaultScaleY(g);
         if (oldWidth != pWidth || oldHeight != pHeight ||
             newScaleFactorX != scaleFactorX || newScaleFactorY != scaleFactorY)
         {
@@ -765,11 +758,8 @@
 
             double newScaleFactorX = scaleFactorX;
             double newScaleFactorY = scaleFactorY;
-            if (g instanceof SunGraphics2D) {
-                SurfaceData sd = ((SunGraphics2D)g).surfaceData;
-                newScaleFactorX = sd.getDefaultScaleX();
-                newScaleFactorY = sd.getDefaultScaleY();
-            }
+	    newScaleFactorX = SwingInterOpUtils.getDefaultScaleX(g);
+	    newScaleFactorY = SwingInterOpUtils.getDefaultScaleY(g);
             if (scaleFactorX != newScaleFactorX || scaleFactorY != newScaleFactorY) {
                 createResizePixelBuffer(newScaleFactorX, newScaleFactorY);
                 // The scene will request repaint.
@@ -828,7 +818,7 @@
     }
 
     private transient  AWTEventListener ungrabListener = event -> {
-        if (event instanceof sun.awt.UngrabEvent) {
+        if (SwingInterOpUtils.isUngrabEvent(event)) {
             SwingFXUtils.runOnFxThread(() -> {
                 if (JFXPanel.this.stagePeer != null &&
                         getScene() != null &&
@@ -877,7 +867,7 @@
 
         AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
             JFXPanel.this.getToolkit().addAWTEventListener(ungrabListener,
-                SunToolkit.GRAB_EVENT_MASK | AWTEvent.MOUSE_EVENT_MASK);
+                SwingInterOpUtils.GRAB_EVENT_MASK | AWTEvent.MOUSE_EVENT_MASK);
             return null;
         });
         updateComponentSize(); // see RT-23603
@@ -928,12 +918,7 @@
     }
 
     private void invokeOnClientEDT(Runnable r) {
-        AppContext context = SunToolkit.targetToAppContext(this);
-        if (context == null) {
-            if (log.isLoggable(Level.FINE)) log.fine("null AppContext encountered!");
-            return;
-        }
-        SunToolkit.postEvent(context, new InvocationEvent(this, r));
+	SwingInterOpUtils.postEvent(this, new InvocationEvent(this, r));
     }
 
     private class HostContainer implements HostInterface {
@@ -1054,9 +1039,7 @@
             invokeOnClientEDT(() -> {
                 Window window = SwingUtilities.getWindowAncestor(JFXPanel.this);
                 if (window != null) {
-                    if (JFXPanel.this.getToolkit() instanceof SunToolkit) {
-                        ((SunToolkit)JFXPanel.this.getToolkit()).grab(window);
-                    }
+		    SwingInterOpUtils.grab(JFXPanel.this.getToolkit(), window);
                 }
             });
 
@@ -1072,9 +1055,7 @@
             invokeOnClientEDT(() -> {
                 Window window = SwingUtilities.getWindowAncestor(JFXPanel.this);
                 if (window != null) {
-                    if (JFXPanel.this.getToolkit() instanceof SunToolkit) {
-                        ((SunToolkit)JFXPanel.this.getToolkit()).ungrab(window);
-                    }
+		    SwingInterOpUtils.ungrab(JFXPanel.this.getToolkit(), window);
                 }
             });
         }