1 /*
   2  * Copyright (c) 2001, 2019, 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.Field. Access checks as per
  36         java.lang.reflect.AccessibleObject are not overridden. */
  37     public Field newField(Class<?> declaringClass,
  38                           String name,
  39                           Class<?> type,
  40                           int modifiers,
  41                           int slot,
  42                           String signature,
  43                           byte[] annotations);
  44 
  45     /** Creates a new java.lang.reflect.Method. Access checks as per
  46       java.lang.reflect.AccessibleObject are not overridden. */
  47     public Method newMethod(Class<?> declaringClass,
  48                             String name,
  49                             Class<?>[] parameterTypes,
  50                             Class<?> returnType,
  51                             Class<?>[] checkedExceptions,
  52                             int modifiers,
  53                             int slot,
  54                             String signature,
  55                             byte[] annotations,
  56                             byte[] parameterAnnotations,
  57                             byte[] annotationDefault);
  58 
  59     /** Creates a new java.lang.reflect.Constructor. Access checks as
  60       per java.lang.reflect.AccessibleObject are not overridden. */
  61     public <T> Constructor<T> newConstructor(Class<T> declaringClass,
  62                                              Class<?>[] parameterTypes,
  63                                              Class<?>[] checkedExceptions,
  64                                              int modifiers,
  65                                              int slot,
  66                                              String signature,
  67                                              byte[] annotations,
  68                                              byte[] parameterAnnotations);
  69 
  70     /** Gets the MethodAccessor object for a java.lang.reflect.Method */
  71     public MethodAccessor getMethodAccessor(Method m);
  72 
  73     /** Sets the MethodAccessor object for a java.lang.reflect.Method */
  74     public void setMethodAccessor(Method m, MethodAccessor accessor);
  75 
  76     /** Gets the ConstructorAccessor object for a
  77         java.lang.reflect.Constructor */
  78     public ConstructorAccessor getConstructorAccessor(Constructor<?> c);
  79 
  80     /** Sets the ConstructorAccessor object for a
  81         java.lang.reflect.Constructor */
  82     public void setConstructorAccessor(Constructor<?> c,
  83                                        ConstructorAccessor accessor);
  84 
  85     /** Gets the byte[] that encodes TypeAnnotations on an Executable. */
  86     public byte[] getExecutableTypeAnnotationBytes(Executable ex);
  87 
  88     /** Gets the "slot" field from a Constructor (used for serialization) */
  89     public int getConstructorSlot(Constructor<?> c);
  90 
  91     /** Gets the "signature" field from a Constructor (used for serialization) */
  92     public String getConstructorSignature(Constructor<?> c);
  93 
  94     /** Gets the "annotations" field from a Constructor (used for serialization) */
  95     public byte[] getConstructorAnnotations(Constructor<?> c);
  96 
  97     /** Gets the "parameterAnnotations" field from a Constructor (used for serialization) */
  98     public byte[] getConstructorParameterAnnotations(Constructor<?> c);
  99 
 100     /** Gets the shared array of parameter types of an Executable. */
 101     public Class<?>[] getExecutableSharedParameterTypes(Executable ex);
 102 
 103     //
 104     // Copying routines, needed to quickly fabricate new Field,
 105     // Method, and Constructor objects from templates
 106     //
 107 
 108     /** Makes a "child" copy of a Method */
 109     public Method      copyMethod(Method arg);
 110 
 111     /** Makes a copy of this non-root a Method */
 112     public Method      leafCopyMethod(Method arg);
 113 
 114     /** Makes a "child" copy of a Field */
 115     public Field       copyField(Field arg);
 116 
 117     /** Makes a "child" copy of a Constructor */
 118     public <T> Constructor<T> copyConstructor(Constructor<T> arg);
 119 
 120     /** Gets the root of the given AccessibleObject object; null if arg is the root */
 121     public <T extends AccessibleObject> T getRoot(T obj);
 122 
 123     /** Returns a new instance created by the given constructor with access check */
 124     public <T> T newInstance(Constructor<T> ctor, Object[] args, Class<?> caller)
 125         throws IllegalAccessException, InstantiationException, InvocationTargetException;
 126 }
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