Home » openjdk-7 » sun » reflect » [javadoc | source]

    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 UnsafeIntegerFieldAccessorImpl extends UnsafeFieldAccessorImpl {
   31       UnsafeIntegerFieldAccessorImpl(Field field) {
   32           super(field);
   33       }
   34   
   35       public Object get(Object obj) throws IllegalArgumentException {
   36           return new Integer(getInt(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           ensureObj(obj);
   57           return unsafe.getInt(obj, fieldOffset);
   58       }
   59   
   60       public long getLong(Object obj) throws IllegalArgumentException {
   61           return getInt(obj);
   62       }
   63   
   64       public float getFloat(Object obj) throws IllegalArgumentException {
   65           return getInt(obj);
   66       }
   67   
   68       public double getDouble(Object obj) throws IllegalArgumentException {
   69           return getInt(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.putInt(obj, fieldOffset, ((Byte) value).byteValue());
   84               return;
   85           }
   86           if (value instanceof Short) {
   87               unsafe.putInt(obj, fieldOffset, ((Short) value).shortValue());
   88               return;
   89           }
   90           if (value instanceof Character) {
   91               unsafe.putInt(obj, fieldOffset, ((Character) value).charValue());
   92               return;
   93           }
   94           if (value instanceof Integer) {
   95               unsafe.putInt(obj, fieldOffset, ((Integer) value).intValue());
   96               return;
   97           }
   98           throwSetIllegalArgumentException(value);
   99       }
  100   
  101       public void setBoolean(Object obj, boolean z)
  102           throws IllegalArgumentException, IllegalAccessException
  103       {
  104           throwSetIllegalArgumentException(z);
  105       }
  106   
  107       public void setByte(Object obj, byte b)
  108           throws IllegalArgumentException, IllegalAccessException
  109       {
  110           setInt(obj, b);
  111       }
  112   
  113       public void setChar(Object obj, char c)
  114           throws IllegalArgumentException, IllegalAccessException
  115       {
  116           setInt(obj, c);
  117       }
  118   
  119       public void setShort(Object obj, short s)
  120           throws IllegalArgumentException, IllegalAccessException
  121       {
  122           setInt(obj, s);
  123       }
  124   
  125       public void setInt(Object obj, int i)
  126           throws IllegalArgumentException, IllegalAccessException
  127       {
  128           ensureObj(obj);
  129           if (isFinal) {
  130               throwFinalFieldIllegalAccessException(i);
  131           }
  132           unsafe.putInt(obj, fieldOffset, i);
  133       }
  134   
  135       public void setLong(Object obj, long l)
  136           throws IllegalArgumentException, IllegalAccessException
  137       {
  138           throwSetIllegalArgumentException(l);
  139       }
  140   
  141       public void setFloat(Object obj, float f)
  142           throws IllegalArgumentException, IllegalAccessException
  143       {
  144           throwSetIllegalArgumentException(f);
  145       }
  146   
  147       public void setDouble(Object obj, double d)
  148           throws IllegalArgumentException, IllegalAccessException
  149       {
  150           throwSetIllegalArgumentException(d);
  151       }
  152   }

Home » openjdk-7 » sun » reflect » [javadoc | source]