1 /*

     2  * Copyright 2001-2005 Sun Microsystems, Inc.  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.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 

    26 package sun.reflect;

    27 

    28 import java.lang.reflect.Field;

    29 

    30 class UnsafeIntegerFieldAccessorImpl extends UnsafeFieldAccessorImpl {

    31     UnsafeIntegerFieldAccessorImpl(Field field) {

    32         super(field);

    33     }

    34 

    35     public Object get(Object obj) throws IllegalArgumentException {

    36         return new Integer(getInt(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         throw newGetByteIllegalArgumentException();

    45     }

    46 

    47     public char getChar(Object obj) throws IllegalArgumentException {

    48         throw newGetCharIllegalArgumentException();

    49     }

    50 

    51     public short getShort(Object obj) throws IllegalArgumentException {

    52         throw newGetShortIllegalArgumentException();

    53     }

    54 

    55     public int getInt(Object obj) throws IllegalArgumentException {

    56         ensureObj(obj);

    57         return unsafe.getInt(obj, fieldOffset);

    58     }

    59 

    60     public long getLong(Object obj) throws IllegalArgumentException {

    61         return getInt(obj);

    62     }

    63 

    64     public float getFloat(Object obj) throws IllegalArgumentException {

    65         return getInt(obj);

    66     }

    67 

    68     public double getDouble(Object obj) throws IllegalArgumentException {

    69         return getInt(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.putInt(obj, fieldOffset, ((Byte) value).byteValue());

    84             return;

    85         }

    86         if (value instanceof Short) {

    87             unsafe.putInt(obj, fieldOffset, ((Short) value).shortValue());

    88             return;

    89         }

    90         if (value instanceof Character) {

    91             unsafe.putInt(obj, fieldOffset, ((Character) value).charValue());

    92             return;

    93         }

    94         if (value instanceof Integer) {

    95             unsafe.putInt(obj, fieldOffset, ((Integer) value).intValue());

    96             return;

    97         }

    98         throwSetIllegalArgumentException(value);

    99     }

   100 

   101     public void setBoolean(Object obj, boolean z)

   102         throws IllegalArgumentException, IllegalAccessException

   103     {

   104         throwSetIllegalArgumentException(z);

   105     }

   106 

   107     public void setByte(Object obj, byte b)

   108         throws IllegalArgumentException, IllegalAccessException

   109     {

   110         setInt(obj, b);

   111     }

   112 

   113     public void setChar(Object obj, char c)

   114         throws IllegalArgumentException, IllegalAccessException

   115     {

   116         setInt(obj, c);

   117     }

   118 

   119     public void setShort(Object obj, short s)

   120         throws IllegalArgumentException, IllegalAccessException

   121     {

   122         setInt(obj, s);

   123     }

   124 

   125     public void setInt(Object obj, int i)

   126         throws IllegalArgumentException, IllegalAccessException

   127     {

   128         ensureObj(obj);

   129         if (isFinal) {

   130             throwFinalFieldIllegalAccessException(i);

   131         }

   132         unsafe.putInt(obj, fieldOffset, i);

   133     }

   134 

   135     public void setLong(Object obj, long l)

   136         throws IllegalArgumentException, IllegalAccessException

   137     {

   138         throwSetIllegalArgumentException(l);

   139     }

   140 

   141     public void setFloat(Object obj, float f)

   142         throws IllegalArgumentException, IllegalAccessException

   143     {

   144         throwSetIllegalArgumentException(f);

   145     }

   146 

   147     public void setDouble(Object obj, double d)

   148         throws IllegalArgumentException, IllegalAccessException

   149     {

   150         throwSetIllegalArgumentException(d);

   151     }

   152 }