1 /*
   2  * Copyright (c) 2001, 2013, 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.reflect;
  27 
  28 import java.lang.reflect.*;
  29 
  30 /** An interface which gives privileged packages Java-level access to
  31     internals of java.lang.reflect. */
  32 
  33 public interface LangReflectAccess {
  34     /** Creates a new java.lang.reflect.Field. Access checks as per
  35         java.lang.reflect.AccessibleObject are not overridden. */
  36     public Field newField(Class<?> declaringClass,
  37                           String name,
  38                           Class<?> type,
  39                           int modifiers,
  40                           int slot,
  41                           String signature,
  42                           byte[] annotations);
  43 
  44     /** Creates a new java.lang.reflect.Method. Access checks as per
  45       java.lang.reflect.AccessibleObject are not overridden. */
  46     public Method newMethod(Class<?> declaringClass,
  47                             String name,
  48                             Class<?>[] parameterTypes,
  49                             Class<?> returnType,
  50                             Class<?>[] checkedExceptions,
  51                             int modifiers,
  52                             int slot,
  53                             String signature,
  54                             byte[] annotations,
  55                             byte[] parameterAnnotations,
  56                             byte[] annotationDefault);
  57 
  58     /** Creates a new java.lang.reflect.Constructor. Access checks as
  59       per java.lang.reflect.AccessibleObject are not overridden. */
  60     public <T> Constructor<T> newConstructor(Class<T> declaringClass,
  61                                              Class<?>[] parameterTypes,
  62                                              Class<?>[] checkedExceptions,
  63                                              int modifiers,
  64                                              int slot,
  65                                              String signature,
  66                                              byte[] annotations,
  67                                              byte[] parameterAnnotations);
  68 
  69     /** Gets the MethodAccessor object for a java.lang.reflect.Method */
  70     public MethodAccessor getMethodAccessor(Method m);
  71 
  72     /** Sets the MethodAccessor object for a java.lang.reflect.Method */
  73     public void setMethodAccessor(Method m, MethodAccessor accessor);
  74 
  75     /** Gets the ConstructorAccessor object for a
  76         java.lang.reflect.Constructor */
  77     public ConstructorAccessor getConstructorAccessor(Constructor<?> c);
  78 
  79     /** Sets the ConstructorAccessor object for a
  80         java.lang.reflect.Constructor */
  81     public void setConstructorAccessor(Constructor<?> c,
  82                                        ConstructorAccessor accessor);
  83 
  84     /** Gets the byte[] that encodes TypeAnnotations on an Executable. */
  85     public byte[] getExecutableTypeAnnotationBytes(Executable ex);
  86 
  87     /** Gets the "slot" field from a Constructor (used for serialization) */
  88     public int getConstructorSlot(Constructor<?> c);
  89 
  90     /** Gets the "signature" field from a Constructor (used for serialization) */
  91     public String getConstructorSignature(Constructor<?> c);
  92 
  93     /** Gets the "annotations" field from a Constructor (used for serialization) */
  94     public byte[] getConstructorAnnotations(Constructor<?> c);
  95 
  96     /** Gets the "parameterAnnotations" field from a Constructor (used for serialization) */
  97     public byte[] getConstructorParameterAnnotations(Constructor<?> c);
  98 
  99     /** Gets the shared array of parameter types of an Executable. */
 100     public Class<?>[] getExecutableSharedParameterTypes(Executable ex);
 101 
 102     //
 103     // Copying routines, needed to quickly fabricate new Field,
 104     // Method, and Constructor objects from templates
 105     //
 106 
 107     /** Makes a "child" copy of a Method */
 108     public Method      copyMethod(Method arg);
 109 
 110     /** Makes a copy of this non-root a Method */
 111     public Method      leafCopyMethod(Method arg);
 112 
 113     /** Makes a "child" copy of a Field */
 114     public Field       copyField(Field arg);
 115 
 116     /** Makes a "child" copy of a Constructor */
 117     public <T> Constructor<T> copyConstructor(Constructor<T> arg);
 118 
 119     /** Gets the root of the given AccessibleObject object; null if arg is the root */
 120     public <T extends AccessibleObject> T getRoot(T obj);
 121 
 122     public boolean isFlattened(Field f);
 123 }