1 /*
2 * Copyright (c) 2001, 2023, 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. */
33
34 public interface JavaLangReflectAccess {
35 /** Creates a new java.lang.reflect.Constructor. Access checks as
36 per java.lang.reflect.AccessibleObject are not overridden. */
37 public <T> Constructor<T> newConstructor(Class<T> declaringClass,
38 Class<?>[] parameterTypes,
39 Class<?>[] checkedExceptions,
40 int modifiers,
41 int slot,
42 String signature,
43 byte[] annotations,
44 byte[] parameterAnnotations);
45
46 /** Gets the MethodAccessor object for a java.lang.reflect.Method */
47 public MethodAccessor getMethodAccessor(Method m);
48
49 /** Sets the MethodAccessor object for a java.lang.reflect.Method */
50 public void setMethodAccessor(Method m, MethodAccessor accessor);
51
52 /** Gets the ConstructorAccessor object for a
53 java.lang.reflect.Constructor */
54 public ConstructorAccessor getConstructorAccessor(Constructor<?> c);
55
56 /** Sets the ConstructorAccessor object for a
57 java.lang.reflect.Constructor */
58 public void setConstructorAccessor(Constructor<?> c,
59 ConstructorAccessor accessor);
60
61 /** Gets the byte[] that encodes TypeAnnotations on an Executable. */
62 public byte[] getExecutableTypeAnnotationBytes(Executable ex);
63
64 /** Gets the "slot" field from a Constructor (used for serialization) */
65 public int getConstructorSlot(Constructor<?> c);
66
67 /** Gets the "signature" field from a Constructor (used for serialization) */
68 public String getConstructorSignature(Constructor<?> c);
69
70 /** Gets the "annotations" field from a Constructor (used for serialization) */
71 public byte[] getConstructorAnnotations(Constructor<?> c);
72
73 /** Gets the "parameterAnnotations" field from a Constructor (used for serialization) */
74 public byte[] getConstructorParameterAnnotations(Constructor<?> c);
75
76 /** Gets the shared array of parameter types of an Executable. */
77 public Class<?>[] getExecutableSharedParameterTypes(Executable ex);
78
79 /** Gets the shared array of exception types of an Executable. */
80 public Class<?>[] getExecutableSharedExceptionTypes(Executable ex);
81
82 //
83 // Copying routines, needed to quickly fabricate new Field,
84 // Method, and Constructor objects from templates
85 //
86
87 /** Makes a "child" copy of a Method */
88 public Method copyMethod(Method arg);
89
90 /** Makes a copy of this non-root a Method */
91 public Method leafCopyMethod(Method arg);
92
93 /** Makes a "child" copy of a Field */
94 public Field copyField(Field arg);
95
96 /** Makes a "child" copy of a Constructor */
97 public <T> Constructor<T> copyConstructor(Constructor<T> arg);
98
99 /** Gets the root of the given AccessibleObject object; null if arg is the root */
100 public <T extends AccessibleObject> T getRoot(T obj);
101
102 /** Tests if this is a trusted final field */
103 public boolean isTrustedFinalField(Field f);
104
105
106 /** Tests if this is a null-restricted field */
107 public boolean isNullRestrictedField(Field f);
108
109 /** Returns a new instance created by the given constructor with access check */
110 public <T> T newInstance(Constructor<T> ctor, Object[] args, Class<?> caller)
111 throws IllegalAccessException, InstantiationException, InvocationTargetException;
112 }