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 UnsafeDoubleFieldAccessorImpl extends UnsafeFieldAccessorImpl {

    31     UnsafeDoubleFieldAccessorImpl(Field field) {

    32         super(field);

    33     }

    34 

    35     public Object get(Object obj) throws IllegalArgumentException {

    36         return new Double(getDouble(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         throw newGetIntIllegalArgumentException();

    57     }

    58 

    59     public long getLong(Object obj) throws IllegalArgumentException {

    60         throw newGetLongIllegalArgumentException();

    61     }

    62 

    63     public float getFloat(Object obj) throws IllegalArgumentException {

    64         throw newGetFloatIllegalArgumentException();

    65     }

    66 

    67     public double getDouble(Object obj) throws IllegalArgumentException {

    68         ensureObj(obj);

    69         return unsafe.getDouble(obj, fieldOffset);

    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.putDouble(obj, fieldOffset, ((Byte) value).byteValue());

    84             return;

    85         }

    86         if (value instanceof Short) {

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

    88             return;

    89         }

    90         if (value instanceof Character) {

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

    92             return;

    93         }

    94         if (value instanceof Integer) {

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

    96             return;

    97         }

    98         if (value instanceof Long) {

    99             unsafe.putDouble(obj, fieldOffset, ((Long) value).longValue());

   100             return;

   101         }

   102         if (value instanceof Float) {

   103             unsafe.putDouble(obj, fieldOffset, ((Float) value).floatValue());

   104             return;

   105         }

   106         if (value instanceof Double) {

   107             unsafe.putDouble(obj, fieldOffset, ((Double) value).doubleValue());

   108             return;

   109         }

   110         throwSetIllegalArgumentException(value);

   111     }

   112 

   113     public void setBoolean(Object obj, boolean z)

   114         throws IllegalArgumentException, IllegalAccessException

   115     {

   116         throwSetIllegalArgumentException(z);

   117     }

   118 

   119     public void setByte(Object obj, byte b)

   120         throws IllegalArgumentException, IllegalAccessException

   121     {

   122         setDouble(obj, b);

   123     }

   124 

   125     public void setChar(Object obj, char c)

   126         throws IllegalArgumentException, IllegalAccessException

   127     {

   128         setDouble(obj, c);

   129     }

   130 

   131     public void setShort(Object obj, short s)

   132         throws IllegalArgumentException, IllegalAccessException

   133     {

   134         setDouble(obj, s);

   135     }

   136 

   137     public void setInt(Object obj, int i)

   138         throws IllegalArgumentException, IllegalAccessException

   139     {

   140         setDouble(obj, i);

   141     }

   142 

   143     public void setLong(Object obj, long l)

   144         throws IllegalArgumentException, IllegalAccessException

   145     {

   146         setDouble(obj, l);

   147     }

   148 

   149     public void setFloat(Object obj, float f)

   150         throws IllegalArgumentException, IllegalAccessException

   151     {

   152         setDouble(obj, f);

   153     }

   154 

   155     public void setDouble(Object obj, double d)

   156         throws IllegalArgumentException, IllegalAccessException

   157     {

   158         ensureObj(obj);

   159         if (isFinal) {

   160             throwFinalFieldIllegalAccessException(d);

   161         }

   162         unsafe.putDouble(obj, fieldOffset, d);

   163     }

   164 }