--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.management/share/classes/sun/management/Util.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2003, 2015, 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.management;
+
+import java.lang.management.ManagementPermission;
+import java.util.List;
+import javax.management.ObjectName;
+import javax.management.MalformedObjectNameException;
+
+
+public class Util {
+    private Util() {}  // there are no instances of this class
+
+    static RuntimeException newException(Exception e) {
+        throw new RuntimeException(e);
+    }
+
+    private static final String[] EMPTY_STRING_ARRAY = new String[0];
+    static String[] toStringArray(List<String> list) {
+        return list.toArray(EMPTY_STRING_ARRAY);
+    }
+
+    public static ObjectName newObjectName(String domainAndType, String name) {
+        return newObjectName(domainAndType + ",name=" + name);
+    }
+
+    public static ObjectName newObjectName(String name) {
+        try {
+            return ObjectName.getInstance(name);
+        } catch (MalformedObjectNameException e) {
+            throw new IllegalArgumentException(e);
+        }
+    }
+
+    private static ManagementPermission monitorPermission =
+        new ManagementPermission("monitor");
+    private static ManagementPermission controlPermission =
+        new ManagementPermission("control");
+
+    /**
+     * Check that the current context is trusted to perform monitoring
+     * or management.
+     * <p>
+     * If the check fails we throw a SecurityException, otherwise
+     * we return normally.
+     *
+     * @exception  SecurityException  if a security manager exists and if
+     *             the caller does not have ManagementPermission("control").
+     */
+    static void checkAccess(ManagementPermission p)
+         throws SecurityException {
+        SecurityManager sm = System.getSecurityManager();
+        if (sm != null) {
+            sm.checkPermission(p);
+        }
+    }
+
+    static void checkMonitorAccess() throws SecurityException {
+        checkAccess(monitorPermission);
+    }
+    public static void checkControlAccess() throws SecurityException {
+        checkAccess(controlPermission);
+    }
+}