jdk/src/share/classes/sun/reflect/UnsafeCharacterFieldAccessorImpl.java
author duke
Sat, 01 Dec 2007 00:00:00 +0000
changeset 2 90ce3da70b43
child 5506 202f599c92aa
permissions -rw-r--r--
Initial load
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2
90ce3da70b43 Initial load
duke
parents:
diff changeset
     1
/*
90ce3da70b43 Initial load
duke
parents:
diff changeset
     2
 * Copyright 2001-2005 Sun Microsystems, Inc.  All Rights Reserved.
90ce3da70b43 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
90ce3da70b43 Initial load
duke
parents:
diff changeset
     4
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
90ce3da70b43 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
90ce3da70b43 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.  Sun designates this
90ce3da70b43 Initial load
duke
parents:
diff changeset
     8
 * particular file as subject to the "Classpath" exception as provided
90ce3da70b43 Initial load
duke
parents:
diff changeset
     9
 * by Sun in the LICENSE file that accompanied this code.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    10
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    11
 * This code is distributed in the hope that it will be useful, but WITHOUT
90ce3da70b43 Initial load
duke
parents:
diff changeset
    12
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
90ce3da70b43 Initial load
duke
parents:
diff changeset
    13
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
90ce3da70b43 Initial load
duke
parents:
diff changeset
    14
 * version 2 for more details (a copy is included in the LICENSE file that
90ce3da70b43 Initial load
duke
parents:
diff changeset
    15
 * accompanied this code).
90ce3da70b43 Initial load
duke
parents:
diff changeset
    16
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    17
 * You should have received a copy of the GNU General Public License version
90ce3da70b43 Initial load
duke
parents:
diff changeset
    18
 * 2 along with this work; if not, write to the Free Software Foundation,
90ce3da70b43 Initial load
duke
parents:
diff changeset
    19
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    20
 *
90ce3da70b43 Initial load
duke
parents:
diff changeset
    21
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
90ce3da70b43 Initial load
duke
parents:
diff changeset
    22
 * CA 95054 USA or visit www.sun.com if you need additional information or
90ce3da70b43 Initial load
duke
parents:
diff changeset
    23
 * have any questions.
90ce3da70b43 Initial load
duke
parents:
diff changeset
    24
 */
90ce3da70b43 Initial load
duke
parents:
diff changeset
    25
90ce3da70b43 Initial load
duke
parents:
diff changeset
    26
package sun.reflect;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    27
90ce3da70b43 Initial load
duke
parents:
diff changeset
    28
import java.lang.reflect.Field;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    29
90ce3da70b43 Initial load
duke
parents:
diff changeset
    30
class UnsafeCharacterFieldAccessorImpl extends UnsafeFieldAccessorImpl {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    31
    UnsafeCharacterFieldAccessorImpl(Field field) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    32
        super(field);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    33
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    34
90ce3da70b43 Initial load
duke
parents:
diff changeset
    35
    public Object get(Object obj) throws IllegalArgumentException {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    36
        return new Character(getChar(obj));
90ce3da70b43 Initial load
duke
parents:
diff changeset
    37
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    38
90ce3da70b43 Initial load
duke
parents:
diff changeset
    39
    public boolean getBoolean(Object obj) throws IllegalArgumentException {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    40
        throw newGetBooleanIllegalArgumentException();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    41
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    42
90ce3da70b43 Initial load
duke
parents:
diff changeset
    43
    public byte getByte(Object obj) throws IllegalArgumentException {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    44
        throw newGetByteIllegalArgumentException();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    45
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    46
90ce3da70b43 Initial load
duke
parents:
diff changeset
    47
    public char getChar(Object obj) throws IllegalArgumentException {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    48
        ensureObj(obj);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    49
        return unsafe.getChar(obj, fieldOffset);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    50
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    51
90ce3da70b43 Initial load
duke
parents:
diff changeset
    52
    public short getShort(Object obj) throws IllegalArgumentException {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    53
        throw newGetShortIllegalArgumentException();
90ce3da70b43 Initial load
duke
parents:
diff changeset
    54
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    55
90ce3da70b43 Initial load
duke
parents:
diff changeset
    56
    public int getInt(Object obj) throws IllegalArgumentException {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    57
        return getChar(obj);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    58
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    59
90ce3da70b43 Initial load
duke
parents:
diff changeset
    60
    public long getLong(Object obj) throws IllegalArgumentException {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    61
        return getChar(obj);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    62
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    63
90ce3da70b43 Initial load
duke
parents:
diff changeset
    64
    public float getFloat(Object obj) throws IllegalArgumentException {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    65
        return getChar(obj);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    66
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    67
90ce3da70b43 Initial load
duke
parents:
diff changeset
    68
    public double getDouble(Object obj) throws IllegalArgumentException {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    69
        return getChar(obj);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    70
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    71
90ce3da70b43 Initial load
duke
parents:
diff changeset
    72
    public void set(Object obj, Object value)
90ce3da70b43 Initial load
duke
parents:
diff changeset
    73
        throws IllegalArgumentException, IllegalAccessException
90ce3da70b43 Initial load
duke
parents:
diff changeset
    74
    {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    75
        ensureObj(obj);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    76
        if (isFinal) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    77
            throwFinalFieldIllegalAccessException(value);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    78
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    79
        if (value == null) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    80
            throwSetIllegalArgumentException(value);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    81
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    82
        if (value instanceof Character) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    83
            unsafe.putChar(obj, fieldOffset, ((Character) value).charValue());
90ce3da70b43 Initial load
duke
parents:
diff changeset
    84
            return;
90ce3da70b43 Initial load
duke
parents:
diff changeset
    85
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    86
        throwSetIllegalArgumentException(value);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    87
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    88
90ce3da70b43 Initial load
duke
parents:
diff changeset
    89
    public void setBoolean(Object obj, boolean z)
90ce3da70b43 Initial load
duke
parents:
diff changeset
    90
        throws IllegalArgumentException, IllegalAccessException
90ce3da70b43 Initial load
duke
parents:
diff changeset
    91
    {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    92
        throwSetIllegalArgumentException(z);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    93
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
    94
90ce3da70b43 Initial load
duke
parents:
diff changeset
    95
    public void setByte(Object obj, byte b)
90ce3da70b43 Initial load
duke
parents:
diff changeset
    96
        throws IllegalArgumentException, IllegalAccessException
90ce3da70b43 Initial load
duke
parents:
diff changeset
    97
    {
90ce3da70b43 Initial load
duke
parents:
diff changeset
    98
        throwSetIllegalArgumentException(b);
90ce3da70b43 Initial load
duke
parents:
diff changeset
    99
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   100
90ce3da70b43 Initial load
duke
parents:
diff changeset
   101
    public void setChar(Object obj, char c)
90ce3da70b43 Initial load
duke
parents:
diff changeset
   102
        throws IllegalArgumentException, IllegalAccessException
90ce3da70b43 Initial load
duke
parents:
diff changeset
   103
    {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   104
        ensureObj(obj);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   105
        if (isFinal) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   106
            throwFinalFieldIllegalAccessException(c);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   107
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   108
        unsafe.putChar(obj, fieldOffset, c);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   109
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   110
90ce3da70b43 Initial load
duke
parents:
diff changeset
   111
    public void setShort(Object obj, short s)
90ce3da70b43 Initial load
duke
parents:
diff changeset
   112
        throws IllegalArgumentException, IllegalAccessException
90ce3da70b43 Initial load
duke
parents:
diff changeset
   113
    {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   114
        throwSetIllegalArgumentException(s);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   115
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   116
90ce3da70b43 Initial load
duke
parents:
diff changeset
   117
    public void setInt(Object obj, int i)
90ce3da70b43 Initial load
duke
parents:
diff changeset
   118
        throws IllegalArgumentException, IllegalAccessException
90ce3da70b43 Initial load
duke
parents:
diff changeset
   119
    {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   120
        throwSetIllegalArgumentException(i);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   121
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   122
90ce3da70b43 Initial load
duke
parents:
diff changeset
   123
    public void setLong(Object obj, long l)
90ce3da70b43 Initial load
duke
parents:
diff changeset
   124
        throws IllegalArgumentException, IllegalAccessException
90ce3da70b43 Initial load
duke
parents:
diff changeset
   125
    {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   126
        throwSetIllegalArgumentException(l);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   127
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   128
90ce3da70b43 Initial load
duke
parents:
diff changeset
   129
    public void setFloat(Object obj, float f)
90ce3da70b43 Initial load
duke
parents:
diff changeset
   130
        throws IllegalArgumentException, IllegalAccessException
90ce3da70b43 Initial load
duke
parents:
diff changeset
   131
    {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   132
        throwSetIllegalArgumentException(f);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   133
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   134
90ce3da70b43 Initial load
duke
parents:
diff changeset
   135
    public void setDouble(Object obj, double d)
90ce3da70b43 Initial load
duke
parents:
diff changeset
   136
        throws IllegalArgumentException, IllegalAccessException
90ce3da70b43 Initial load
duke
parents:
diff changeset
   137
    {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   138
        throwSetIllegalArgumentException(d);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   139
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   140
}