1 /* 2 * Copyright (c) 2001, 2024, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.internal.access; 27 28 import java.lang.reflect.*; 29 import jdk.internal.reflect.*; 30 31 /** An interface which gives privileged packages Java-level access to 32 internals of java.lang.reflect. Use as a last resort! */ 33 public interface JavaLangReflectAccess { 34 /** 35 * Creates a new root constructor from the original one, with 36 * a custom accessor. Used by serialization hooks. 37 */ 38 <T> Constructor<T> newConstructorWithAccessor(Constructor<T> original, ConstructorAccessor accessor); 39 40 /** Gets the byte[] that encodes TypeAnnotations on an Executable. */ 41 public byte[] getExecutableTypeAnnotationBytes(Executable ex); 42 43 /** Gets the shared array of parameter types of an Executable. */ 44 public Class<?>[] getExecutableSharedParameterTypes(Executable ex); 45 46 /** Gets the shared array of exception types of an Executable. */ 47 public Class<?>[] getExecutableSharedExceptionTypes(Executable ex); 48 49 // Copying routines, needed to quickly fabricate new Field, 50 // Method, and Constructor objects from templates 51 52 /** Makes a "child" copy of a Method */ 53 public Method copyMethod(Method arg); 54 55 /** Makes a "child" copy of a Field */ 56 public Field copyField(Field arg); 57 58 /** Makes a "child" copy of a Constructor */ 59 public <T> Constructor<T> copyConstructor(Constructor<T> arg); 60 61 /** Gets the root of the given AccessibleObject object; null if arg is the root */ 62 public <T extends AccessibleObject> T getRoot(T obj); 63 64 /** Tests if this is a trusted final field */ 65 public boolean isTrustedFinalField(Field f); 66 67 /** Returns a new instance created by the given constructor with access check */ 68 public <T> T newInstance(Constructor<T> ctor, Object[] args, Class<?> caller) 69 throws IllegalAccessException, InstantiationException, InvocationTargetException; 70 }