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 jdk.internal.reflect;
27 
28 import java.lang.reflect.Field;
29 
30 class UnsafeLongFieldAccessorImpl extends UnsafeFieldAccessorImpl {
UnsafeLongFieldAccessorImpl(Field field)31     UnsafeLongFieldAccessorImpl(Field field) {
32         super(field);
33     }
34 
get(Object obj)35     public Object get(Object obj) throws IllegalArgumentException {
36         return Long.valueOf(getLong(obj));
37     }
38 
getBoolean(Object obj)39     public boolean getBoolean(Object obj) throws IllegalArgumentException {
40         throw newGetBooleanIllegalArgumentException();
41     }
42 
getByte(Object obj)43     public byte getByte(Object obj) throws IllegalArgumentException {
44         throw newGetByteIllegalArgumentException();
45     }
46 
getChar(Object obj)47     public char getChar(Object obj) throws IllegalArgumentException {
48         throw newGetCharIllegalArgumentException();
49     }
50 
getShort(Object obj)51     public short getShort(Object obj) throws IllegalArgumentException {
52         throw newGetShortIllegalArgumentException();
53     }
54 
getInt(Object obj)55     public int getInt(Object obj) throws IllegalArgumentException {
56         throw newGetIntIllegalArgumentException();
57     }
58 
getLong(Object obj)59     public long getLong(Object obj) throws IllegalArgumentException {
60         ensureObj(obj);
61         return unsafe.getLong(obj, fieldOffset);
62     }
63 
getFloat(Object obj)64     public float getFloat(Object obj) throws IllegalArgumentException {
65         return getLong(obj);
66     }
67 
getDouble(Object obj)68     public double getDouble(Object obj) throws IllegalArgumentException {
69         return getLong(obj);
70     }
71 
set(Object obj, Object value)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.putLong(obj, fieldOffset, ((Byte) value).byteValue());
84             return;
85         }
86         if (value instanceof Short) {
87             unsafe.putLong(obj, fieldOffset, ((Short) value).shortValue());
88             return;
89         }
90         if (value instanceof Character) {
91             unsafe.putLong(obj, fieldOffset, ((Character) value).charValue());
92             return;
93         }
94         if (value instanceof Integer) {
95             unsafe.putLong(obj, fieldOffset, ((Integer) value).intValue());
96             return;
97         }
98         if (value instanceof Long) {
99             unsafe.putLong(obj, fieldOffset, ((Long) value).longValue());
100             return;
101         }
102         throwSetIllegalArgumentException(value);
103     }
104 
setBoolean(Object obj, boolean z)105     public void setBoolean(Object obj, boolean z)
106         throws IllegalArgumentException, IllegalAccessException
107     {
108         throwSetIllegalArgumentException(z);
109     }
110 
setByte(Object obj, byte b)111     public void setByte(Object obj, byte b)
112         throws IllegalArgumentException, IllegalAccessException
113     {
114         setLong(obj, b);
115     }
116 
setChar(Object obj, char c)117     public void setChar(Object obj, char c)
118         throws IllegalArgumentException, IllegalAccessException
119     {
120         setLong(obj, c);
121     }
122 
setShort(Object obj, short s)123     public void setShort(Object obj, short s)
124         throws IllegalArgumentException, IllegalAccessException
125     {
126         setLong(obj, s);
127     }
128 
setInt(Object obj, int i)129     public void setInt(Object obj, int i)
130         throws IllegalArgumentException, IllegalAccessException
131     {
132         setLong(obj, i);
133     }
134 
setLong(Object obj, long l)135     public void setLong(Object obj, long l)
136         throws IllegalArgumentException, IllegalAccessException
137     {
138         ensureObj(obj);
139         if (isFinal) {
140             throwFinalFieldIllegalAccessException(l);
141         }
142         unsafe.putLong(obj, fieldOffset, l);
143     }
144 
setFloat(Object obj, float f)145     public void setFloat(Object obj, float f)
146         throws IllegalArgumentException, IllegalAccessException
147     {
148         throwSetIllegalArgumentException(f);
149     }
150 
setDouble(Object obj, double d)151     public void setDouble(Object obj, double d)
152         throws IllegalArgumentException, IllegalAccessException
153     {
154         throwSetIllegalArgumentException(d);
155     }
156 }
157