UnsafeQualifiedFloatFieldAccessorImpl.java revision 14176:8606d027b2c2 
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
26package jdk.internal.reflect;
27
28import java.lang.reflect.Field;
29
30class UnsafeQualifiedFloatFieldAccessorImpl
31    extends UnsafeQualifiedFieldAccessorImpl
32{
33    UnsafeQualifiedFloatFieldAccessorImpl(Field field, boolean isReadOnly) {
34        super(field, isReadOnly);
35    }
36
37    public Object get(Object obj) throws IllegalArgumentException {
38        return Float.valueOf(getFloat(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        throw newGetByteIllegalArgumentException();
47    }
48
49    public char getChar(Object obj) throws IllegalArgumentException {
50        throw newGetCharIllegalArgumentException();
51    }
52
53    public short getShort(Object obj) throws IllegalArgumentException {
54        throw newGetShortIllegalArgumentException();
55    }
56
57    public int getInt(Object obj) throws IllegalArgumentException {
58        throw newGetIntIllegalArgumentException();
59    }
60
61    public long getLong(Object obj) throws IllegalArgumentException {
62        throw newGetLongIllegalArgumentException();
63    }
64
65    public float getFloat(Object obj) throws IllegalArgumentException {
66        ensureObj(obj);
67        return unsafe.getFloatVolatile(obj, fieldOffset);
68    }
69
70    public double getDouble(Object obj) throws IllegalArgumentException {
71        return getFloat(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.putFloatVolatile(obj, fieldOffset, ((Byte) value).byteValue());
86            return;
87        }
88        if (value instanceof Short) {
89            unsafe.putFloatVolatile(obj, fieldOffset, ((Short) value).shortValue());
90            return;
91        }
92        if (value instanceof Character) {
93            unsafe.putFloatVolatile(obj, fieldOffset, ((Character) value).charValue());
94            return;
95        }
96        if (value instanceof Integer) {
97            unsafe.putFloatVolatile(obj, fieldOffset, ((Integer) value).intValue());
98            return;
99        }
100        if (value instanceof Long) {
101            unsafe.putFloatVolatile(obj, fieldOffset, ((Long) value).longValue());
102            return;
103        }
104        if (value instanceof Float) {
105            unsafe.putFloatVolatile(obj, fieldOffset, ((Float) value).floatValue());
106            return;
107        }
108        throwSetIllegalArgumentException(value);
109    }
110
111    public void setBoolean(Object obj, boolean z)
112        throws IllegalArgumentException, IllegalAccessException
113    {
114        throwSetIllegalArgumentException(z);
115    }
116
117    public void setByte(Object obj, byte b)
118        throws IllegalArgumentException, IllegalAccessException
119    {
120        setFloat(obj, b);
121    }
122
123    public void setChar(Object obj, char c)
124        throws IllegalArgumentException, IllegalAccessException
125    {
126        setFloat(obj, c);
127    }
128
129    public void setShort(Object obj, short s)
130        throws IllegalArgumentException, IllegalAccessException
131    {
132        setFloat(obj, s);
133    }
134
135    public void setInt(Object obj, int i)
136        throws IllegalArgumentException, IllegalAccessException
137    {
138        setFloat(obj, i);
139    }
140
141    public void setLong(Object obj, long l)
142        throws IllegalArgumentException, IllegalAccessException
143    {
144        setFloat(obj, l);
145    }
146
147    public void setFloat(Object obj, float f)
148        throws IllegalArgumentException, IllegalAccessException
149    {
150        ensureObj(obj);
151        if (isReadOnly) {
152            throwFinalFieldIllegalAccessException(f);
153        }
154        unsafe.putFloatVolatile(obj, fieldOffset, f);
155    }
156
157    public void setDouble(Object obj, double d)
158        throws IllegalArgumentException, IllegalAccessException
159    {
160        throwSetIllegalArgumentException(d);
161    }
162}
163