255 

   256 

   257     /**

   258      * Helper class for new method in jdk.internal.misc.VM.

   259      */

   260     public static final class VMHelper {

   261         public static final String VM_CLASSNAME = "jdk.internal.misc.VM";

   262 

   263         @SuppressWarnings("unchecked")

   264         public static String[] getRuntimeArguments() {

   265             try {

   266                 init();

   267                 Object result = getRuntimeArgumentsMethod.invoke(null);

   268                 return (String[])result;

   269             } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException

   270                     | SecurityException ex) {

   271                 throw new Abort(ex);

   272             }

   273         }

   274 

   275         // -----------------------------------------------------------------------------------------

   276 

   277         private static Class<?> vmClass = null;

   278         private static Method getRuntimeArgumentsMethod = null;

   279 

   280         private static void init() {

   281             if (vmClass == null) {

   282                 try {

   283                     vmClass = Class.forName(VM_CLASSNAME, false, null);

   284                     getRuntimeArgumentsMethod = vmClass.getDeclaredMethod("getRuntimeArguments");

   285                 } catch (ClassNotFoundException | NoSuchMethodException | SecurityException ex) {

   286                     throw new Abort(ex);

   287                 }

   288             }

   289         }

   290     }