--- /dev/null	2018-03-19 16:04:57.599463000 +0530
+++ new/modules/javafx.base/src/main/java/com/sun/javafx/reflect/ReflectUtil.java	2018-03-19 18:33:59.170067172 +0530
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2005, 2018, 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 com.sun.javafx.reflect;
+
+import java.lang.reflect.Proxy;
+
+public final class ReflectUtil {
+
+    private ReflectUtil() {
+    }
+
+    /**
+     * Checks package access on the given class.
+     *
+     * If it is a {@link Proxy#isProxyClass(java.lang.Class)} that implements
+     * a non-public interface (i.e. may be in a non-restricted package),
+     * also check the package access on the proxy interfaces.
+     */
+    public static void checkPackageAccess(Class<?> clazz) {
+        SecurityManager s = System.getSecurityManager();
+        if (s != null) {
+            privateCheckPackageAccess(s, clazz);
+        }
+    }
+
+    /**
+     * NOTE: should only be called if a SecurityManager is installed
+     */
+    private static void privateCheckPackageAccess(SecurityManager s, Class<?> clazz) {
+        while (clazz.isArray()) {
+            clazz = clazz.getComponentType();
+        }
+
+        String pkg = clazz.getPackageName();
+        if (pkg != null && !pkg.isEmpty()) {
+            s.checkPackageAccess(pkg);
+        }
+
+        if (isNonPublicProxyClass(clazz)) {
+            privateCheckProxyPackageAccess(s, clazz);
+        }
+    }
+
+    /**
+     * Checks package access on the given classname.
+     * This method is typically called when the Class instance is not
+     * available and the caller attempts to load a class on behalf
+     * the true caller (application).
+     */
+    public static void checkPackageAccess(String name) {
+        SecurityManager s = System.getSecurityManager();
+        if (s != null) {
+            String cname = name.replace('/', '.');
+            if (cname.startsWith("[")) {
+                int b = cname.lastIndexOf('[') + 2;
+                if (b > 1 && b < cname.length()) {
+                    cname = cname.substring(b);
+                }
+            }
+            int i = cname.lastIndexOf('.');
+            if (i != -1) {
+                s.checkPackageAccess(cname.substring(0, i));
+            }
+        }
+    }
+
+    public static boolean isPackageAccessible(Class<?> clazz) {
+        try {
+            checkPackageAccess(clazz);
+        } catch (SecurityException e) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * NOTE: should only be called if a SecurityManager is installed
+     */
+    private static void privateCheckProxyPackageAccess(SecurityManager s, Class<?> clazz) {
+        // check proxy interfaces if the given class is a proxy class
+        if (Proxy.isProxyClass(clazz)) {
+            for (Class<?> intf : clazz.getInterfaces()) {
+                privateCheckPackageAccess(s, intf);
+            }
+        }
+    }
+
+    // Note that bytecode instrumentation tools may exclude 'sun.*'
+    // classes but not generated proxy classes and so keep it in com.sun.*
+    public static final String PROXY_PACKAGE = "com.sun.proxy";
+
+    /**
+     * Test if the given class is a proxy class that implements
+     * non-public interface.  Such proxy class may be in a non-restricted
+     * package that bypasses checkPackageAccess.
+     */
+    public static boolean isNonPublicProxyClass(Class<?> cls) {
+        if (!Proxy.isProxyClass(cls)) {
+            return false;
+        }
+        String pkg = cls.getPackageName();
+        return pkg == null || !pkg.startsWith(PROXY_PACKAGE);
+    }
+}