src/java.base/share/classes/java/lang/System.java

rev 58760 : 8238358: Implementation of JEP 371: Hidden Classes
Reviewed-by: alanb, cjplummer, coleenp, dholmes, dlong, forax, jlahoda, psandoz, plevart, vromero
Contributed-by: mandy.chung@oracle.com, lois.foltan@oracle.com, david.holmes@oracle.com, harold.seigel@oracle.com, serguei.spitsyn@oracle.com, alex.buckley@oracle.com, jamsheed.c.m@oracle.com, jan.lahoda@oracle.com, amy.lu@oracle.com

@@ -33,10 +33,12 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.PrintStream;
 import java.io.UnsupportedEncodingException;
 import java.lang.annotation.Annotation;
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodType;
 import java.lang.module.ModuleDescriptor;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Executable;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;

@@ -2173,10 +2175,14 @@
                 return cl.createOrGetClassLoaderValueMap();
             }
             public Class<?> defineClass(ClassLoader loader, String name, byte[] b, ProtectionDomain pd, String source) {
                 return ClassLoader.defineClass1(loader, name, b, 0, b.length, pd, source);
             }
+            public Class<?> defineClass(ClassLoader loader, Class<?> lookup, String name, byte[] b, ProtectionDomain pd,
+                                        boolean initialize, int flags, Object classData) {
+                return ClassLoader.defineClass0(loader, lookup, name, b, 0, b.length, pd, initialize, flags, classData);
+            }
             public Class<?> findBootstrapClassOrNull(ClassLoader cl, String name) {
                 return cl.findBootstrapClassOrNull(name);
             }
             public Package definePackage(ClassLoader cl, String name, Module module) {
                 return cl.definePackage(name, module);

@@ -2255,8 +2261,20 @@
             }
 
             public void setCause(Throwable t, Throwable cause) {
                 t.setCause(cause);
             }
+
+            public ProtectionDomain protectionDomain(Class<?> c) {
+                return c.protectionDomain();
+            }
+
+            public MethodHandle stringConcatHelper(String name, MethodType methodType) {
+                return StringConcatHelper.lookupStatic(name, methodType);
+            }
+
+            public Object classData(Class<?> c) {
+                return c.getClassData();
+            }
         });
     }
 }