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 UnsafeQualifiedStaticByteFieldAccessorImpl

    31     extends UnsafeQualifiedStaticFieldAccessorImpl

    32 {

    33     UnsafeQualifiedStaticByteFieldAccessorImpl(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         return unsafe.getByteVolatile(base, fieldOffset);

    47     }

    48 

    49     public char getChar(Object obj) throws IllegalArgumentException {

    50         throw newGetCharIllegalArgumentException();

    51     }

    52 

    53     public short getShort(Object obj) throws IllegalArgumentException {

    54         return getByte(obj);

    55     }

    56 

    57     public int getInt(Object obj) throws IllegalArgumentException {

    58         return getByte(obj);

    59     }

    60 

    61     public long getLong(Object obj) throws IllegalArgumentException {

    62         return getByte(obj);

    63     }

    64 

    65     public float getFloat(Object obj) throws IllegalArgumentException {

    66         return getByte(obj);

    67     }

    68 

    69     public double getDouble(Object obj) throws IllegalArgumentException {

    70         return getByte(obj);

    71     }

    72 

    73     public void set(Object obj, Object value)

    74         throws IllegalArgumentException, IllegalAccessException

    75     {

    76         if (isReadOnly) {

    77             throwFinalFieldIllegalAccessException(value);

    78         }

    79         if (value == null) {

    80             throwSetIllegalArgumentException(value);

    81         }

    82         if (value instanceof Byte) {

    83             unsafe.putByteVolatile(base, 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         if (isReadOnly) {

    99             throwFinalFieldIllegalAccessException(b);

   100         }

   101         unsafe.putByteVolatile(base, fieldOffset, b);

   102     }

   103 

   104     public void setChar(Object obj, char c)

   105         throws IllegalArgumentException, IllegalAccessException

   106     {

   107         throwSetIllegalArgumentException(c);

   108     }

   109 

   110     public void setShort(Object obj, short s)

   111         throws IllegalArgumentException, IllegalAccessException

   112     {

   113         throwSetIllegalArgumentException(s);

   114     }

   115 

   116     public void setInt(Object obj, int i)

   117         throws IllegalArgumentException, IllegalAccessException

   118     {

   119         throwSetIllegalArgumentException(i);

   120     }

   121 

   122     public void setLong(Object obj, long l)

   123         throws IllegalArgumentException, IllegalAccessException

   124     {

   125         throwSetIllegalArgumentException(l);

   126     }

   127 

   128     public void setFloat(Object obj, float f)

   129         throws IllegalArgumentException, IllegalAccessException

   130     {

   131         throwSetIllegalArgumentException(f);

   132     }

   133 

   134     public void setDouble(Object obj, double d)

   135         throws IllegalArgumentException, IllegalAccessException

   136     {

   137         throwSetIllegalArgumentException(d);

   138     }

   139 }