1 /*
   2  * Copyright (c) 2004, 2005, 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.Field;
  29 
  30 class UnsafeQualifiedStaticObjectFieldAccessorImpl
  31     extends UnsafeQualifiedStaticFieldAccessorImpl
  32 {
  33     UnsafeQualifiedStaticObjectFieldAccessorImpl(Field field, boolean isReadOnly) {
  34         super(field, isReadOnly);
  35     }
  36 
  37     public Object get(Object obj) throws IllegalArgumentException {
  38         return isFlattened ? unsafe.getValue(obj, fieldOffset, field.getType())
  39                            : unsafe.getObjectVolatile(base, fieldOffset);
  40     }
  41 
  42     public boolean getBoolean(Object obj) throws IllegalArgumentException {
  43         throw newGetBooleanIllegalArgumentException();
  44     }
  45 
  46     public byte getByte(Object obj) throws IllegalArgumentException {
  47         throw newGetByteIllegalArgumentException();
  48     }
  49 
  50     public char getChar(Object obj) throws IllegalArgumentException {
  51         throw newGetCharIllegalArgumentException();
  52     }
  53 
  54     public short getShort(Object obj) throws IllegalArgumentException {
  55         throw newGetShortIllegalArgumentException();
  56     }
  57 
  58     public int getInt(Object obj) throws IllegalArgumentException {
  59         throw newGetIntIllegalArgumentException();
  60     }
  61 
  62     public long getLong(Object obj) throws IllegalArgumentException {
  63         throw newGetLongIllegalArgumentException();
  64     }
  65 
  66     public float getFloat(Object obj) throws IllegalArgumentException {
  67         throw newGetFloatIllegalArgumentException();
  68     }
  69 
  70     public double getDouble(Object obj) throws IllegalArgumentException {
  71         throw newGetDoubleIllegalArgumentException();
  72     }
  73 
  74     public void set(Object obj, Object value)
  75         throws IllegalArgumentException, IllegalAccessException
  76     {
  77         if (isReadOnly) {
  78             throwFinalFieldIllegalAccessException(value);
  79         }
  80         if (value != null) {
  81             if (!field.getType().isAssignableFrom(value.getClass())) {
  82                 throwSetIllegalArgumentException(value);
  83             }
  84         } else if (field.getType().isValue()) {
  85             throw new NullPointerException("cannot set this field of type " + field.getType() + " to null");
  86         }
  87 
  88         if (isFlattened) {
  89             unsafe.putValue(base, fieldOffset, field.getType(), value);
  90         } else {
  91             unsafe.putObjectVolatile(base, fieldOffset, value);
  92         }
  93     }
  94 
  95     public void setBoolean(Object obj, boolean z)
  96         throws IllegalArgumentException, IllegalAccessException
  97     {
  98         throwSetIllegalArgumentException(z);
  99     }
 100 
 101     public void setByte(Object obj, byte b)
 102         throws IllegalArgumentException, IllegalAccessException
 103     {
 104         throwSetIllegalArgumentException(b);
 105     }
 106 
 107     public void setChar(Object obj, char c)
 108         throws IllegalArgumentException, IllegalAccessException
 109     {
 110         throwSetIllegalArgumentException(c);
 111     }
 112 
 113     public void setShort(Object obj, short s)
 114         throws IllegalArgumentException, IllegalAccessException
 115     {
 116         throwSetIllegalArgumentException(s);
 117     }
 118 
 119     public void setInt(Object obj, int i)
 120         throws IllegalArgumentException, IllegalAccessException
 121     {
 122         throwSetIllegalArgumentException(i);
 123     }
 124 
 125     public void setLong(Object obj, long l)
 126         throws IllegalArgumentException, IllegalAccessException
 127     {
 128         throwSetIllegalArgumentException(l);
 129     }
 130 
 131     public void setFloat(Object obj, float f)
 132         throws IllegalArgumentException, IllegalAccessException
 133     {
 134         throwSetIllegalArgumentException(f);
 135     }
 136 
 137     public void setDouble(Object obj, double d)
 138         throws IllegalArgumentException, IllegalAccessException
 139     {
 140         throwSetIllegalArgumentException(d);
 141     }
 142 }