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 sun.reflect;
   27   
   28   import java.lang.reflect.Field;
   29   
   30   class UnsafeQualifiedByteFieldAccessorImpl
   31       extends UnsafeQualifiedFieldAccessorImpl
   32   {
   33       UnsafeQualifiedByteFieldAccessorImpl(Field field, boolean isReadOnly) {
   34           super(field, isReadOnly);
   35       }
   36   
   37       public Object get(Object obj) throws IllegalArgumentException {
   38           return new Byte(getByte(obj));
   39       }
   40   
   41       public boolean getBoolean(Object obj) throws IllegalArgumentException {
   42           throw newGetBooleanIllegalArgumentException();
   43       }
   44   
   45       public byte getByte(Object obj) throws IllegalArgumentException {
   46           ensureObj(obj);
   47           return unsafe.getByteVolatile(obj, fieldOffset);
   48       }
   49   
   50       public char getChar(Object obj) throws IllegalArgumentException {
   51           throw newGetCharIllegalArgumentException();
   52       }
   53   
   54       public short getShort(Object obj) throws IllegalArgumentException {
   55           return getByte(obj);
   56       }
   57   
   58       public int getInt(Object obj) throws IllegalArgumentException {
   59           return getByte(obj);
   60       }
   61   
   62       public long getLong(Object obj) throws IllegalArgumentException {
   63           return getByte(obj);
   64       }
   65   
   66       public float getFloat(Object obj) throws IllegalArgumentException {
   67           return getByte(obj);
   68       }
   69   
   70       public double getDouble(Object obj) throws IllegalArgumentException {
   71           return getByte(obj);
   72       }
   73   
   74       public void set(Object obj, Object value)
   75           throws IllegalArgumentException, IllegalAccessException
   76       {
   77           ensureObj(obj);
   78           if (isReadOnly) {
   79               throwFinalFieldIllegalAccessException(value);
   80           }
   81           if (value == null) {
   82               throwSetIllegalArgumentException(value);
   83           }
   84           if (value instanceof Byte) {
   85               unsafe.putByteVolatile(obj, fieldOffset, ((Byte) value).byteValue());
   86               return;
   87           }
   88           throwSetIllegalArgumentException(value);
   89       }
   90   
   91       public void setBoolean(Object obj, boolean z)
   92           throws IllegalArgumentException, IllegalAccessException
   93       {
   94           throwSetIllegalArgumentException(z);
   95       }
   96   
   97       public void setByte(Object obj, byte b)
   98           throws IllegalArgumentException, IllegalAccessException
   99       {
  100           ensureObj(obj);
  101           if (isReadOnly) {
  102               throwFinalFieldIllegalAccessException(b);
  103           }
  104           unsafe.putByteVolatile(obj, fieldOffset, 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   }