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 Byte.valueOf(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 }