jdk/src/java.base/share/classes/sun/reflect/UnsafeByteFieldAccessorImpl.java
changeset 37377 bd3b98a11a14
parent 37376 5daa5fbad3ce
parent 37374 ee1b8619eddb
child 37380 55c2549714af
equal deleted inserted replaced
37376:5daa5fbad3ce 37377:bd3b98a11a14
     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 sun.reflect;
       
    27 
       
    28 import java.lang.reflect.Field;
       
    29 
       
    30 class UnsafeByteFieldAccessorImpl extends UnsafeFieldAccessorImpl {
       
    31     UnsafeByteFieldAccessorImpl(Field field) {
       
    32         super(field);
       
    33     }
       
    34 
       
    35     public Object get(Object obj) throws IllegalArgumentException {
       
    36         return Byte.valueOf(getByte(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         ensureObj(obj);
       
    45         return unsafe.getByte(obj, fieldOffset);
       
    46     }
       
    47 
       
    48     public char getChar(Object obj) throws IllegalArgumentException {
       
    49         throw newGetCharIllegalArgumentException();
       
    50     }
       
    51 
       
    52     public short getShort(Object obj) throws IllegalArgumentException {
       
    53         return getByte(obj);
       
    54     }
       
    55 
       
    56     public int getInt(Object obj) throws IllegalArgumentException {
       
    57         return getByte(obj);
       
    58     }
       
    59 
       
    60     public long getLong(Object obj) throws IllegalArgumentException {
       
    61         return getByte(obj);
       
    62     }
       
    63 
       
    64     public float getFloat(Object obj) throws IllegalArgumentException {
       
    65         return getByte(obj);
       
    66     }
       
    67 
       
    68     public double getDouble(Object obj) throws IllegalArgumentException {
       
    69         return getByte(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.putByte(obj, fieldOffset, ((Byte) value).byteValue());
       
    84             return;
       
    85         }
       
    86         throwSetIllegalArgumentException(value);
       
    87     }
       
    88 
       
    89     public void setBoolean(Object obj, boolean z)
       
    90         throws IllegalArgumentException, IllegalAccessException
       
    91     {
       
    92         throwSetIllegalArgumentException(z);
       
    93     }
       
    94 
       
    95     public void setByte(Object obj, byte b)
       
    96         throws IllegalArgumentException, IllegalAccessException
       
    97     {
       
    98         ensureObj(obj);
       
    99         if (isFinal) {
       
   100             throwFinalFieldIllegalAccessException(b);
       
   101         }
       
   102         unsafe.putByte(obj, fieldOffset, b);
       
   103     }
       
   104 
       
   105     public void setChar(Object obj, char c)
       
   106         throws IllegalArgumentException, IllegalAccessException
       
   107     {
       
   108         throwSetIllegalArgumentException(c);
       
   109     }
       
   110 
       
   111     public void setShort(Object obj, short s)
       
   112         throws IllegalArgumentException, IllegalAccessException
       
   113     {
       
   114         throwSetIllegalArgumentException(s);
       
   115     }
       
   116 
       
   117     public void setInt(Object obj, int i)
       
   118         throws IllegalArgumentException, IllegalAccessException
       
   119     {
       
   120         throwSetIllegalArgumentException(i);
       
   121     }
       
   122 
       
   123     public void setLong(Object obj, long l)
       
   124         throws IllegalArgumentException, IllegalAccessException
       
   125     {
       
   126         throwSetIllegalArgumentException(l);
       
   127     }
       
   128 
       
   129     public void setFloat(Object obj, float f)
       
   130         throws IllegalArgumentException, IllegalAccessException
       
   131     {
       
   132         throwSetIllegalArgumentException(f);
       
   133     }
       
   134 
       
   135     public void setDouble(Object obj, double d)
       
   136         throws IllegalArgumentException, IllegalAccessException
       
   137     {
       
   138         throwSetIllegalArgumentException(d);
       
   139     }
       
   140 }