1 /*

     2  * Copyright (c) 2001, 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 UnsafeByteFieldAccessorImpl extends UnsafeFieldAccessorImpl {

    31     UnsafeByteFieldAccessorImpl(Field field) {

    32         super(field);

    33     }

    34 

    35     public Object get(Object obj) throws IllegalArgumentException {

    36         return Byte.valueOf(getByte(obj));

    37     }

    38 

    39     public boolean getBoolean(Object obj) throws IllegalArgumentException {

    40         throw newGetBooleanIllegalArgumentException();

    41     }

    42 

    43     public byte getByte(Object obj) throws IllegalArgumentException {

    44         ensureObj(obj);

    45         return unsafe.getByte(obj, fieldOffset);

    46     }

    47 

    48     public char getChar(Object obj) throws IllegalArgumentException {

    49         throw newGetCharIllegalArgumentException();

    50     }

    51 

    52     public short getShort(Object obj) throws IllegalArgumentException {

    53         return getByte(obj);

    54     }

    55 

    56     public int getInt(Object obj) throws IllegalArgumentException {

    57         return getByte(obj);

    58     }

    59 

    60     public long getLong(Object obj) throws IllegalArgumentException {

    61         return getByte(obj);

    62     }

    63 

    64     public float getFloat(Object obj) throws IllegalArgumentException {

    65         return getByte(obj);

    66     }

    67 

    68     public double getDouble(Object obj) throws IllegalArgumentException {

    69         return getByte(obj);

    70     }

    71 

    72     public void set(Object obj, Object value)

    73         throws IllegalArgumentException, IllegalAccessException

    74     {

    75         ensureObj(obj);

    76         if (isFinal) {

    77             throwFinalFieldIllegalAccessException(value);

    78         }

    79         if (value == null) {

    80             throwSetIllegalArgumentException(value);

    81         }

    82         if (value instanceof Byte) {

    83             unsafe.putByte(obj, fieldOffset, ((Byte) value).byteValue());

    84             return;

    85         }

    86         throwSetIllegalArgumentException(value);

    87     }

    88 

    89     public void setBoolean(Object obj, boolean z)

    90         throws IllegalArgumentException, IllegalAccessException

    91     {

    92         throwSetIllegalArgumentException(z);

    93     }

    94 

    95     public void setByte(Object obj, byte b)

    96         throws IllegalArgumentException, IllegalAccessException

    97     {

    98         ensureObj(obj);

    99         if (isFinal) {

   100             throwFinalFieldIllegalAccessException(b);

   101         }

   102         unsafe.putByte(obj, fieldOffset, b);

   103     }

   104 

   105     public void setChar(Object obj, char c)

   106         throws IllegalArgumentException, IllegalAccessException

   107     {

   108         throwSetIllegalArgumentException(c);

   109     }

   110 

   111     public void setShort(Object obj, short s)

   112         throws IllegalArgumentException, IllegalAccessException

   113     {

   114         throwSetIllegalArgumentException(s);

   115     }

   116 

   117     public void setInt(Object obj, int i)

   118         throws IllegalArgumentException, IllegalAccessException

   119     {

   120         throwSetIllegalArgumentException(i);

   121     }

   122 

   123     public void setLong(Object obj, long l)

   124         throws IllegalArgumentException, IllegalAccessException

   125     {

   126         throwSetIllegalArgumentException(l);

   127     }

   128 

   129     public void setFloat(Object obj, float f)

   130         throws IllegalArgumentException, IllegalAccessException

   131     {

   132         throwSetIllegalArgumentException(f);

   133     }

   134 

   135     public void setDouble(Object obj, double d)

   136         throws IllegalArgumentException, IllegalAccessException

   137     {

   138         throwSetIllegalArgumentException(d);

   139     }

   140 }