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 26package jdk.internal.reflect; 27 28import java.lang.reflect.Field; 29 30class UnsafeDoubleFieldAccessorImpl extends UnsafeFieldAccessorImpl { 31 UnsafeDoubleFieldAccessorImpl(Field field) { 32 super(field); 33 } 34 35 public Object get(Object obj) throws IllegalArgumentException { 36 return Double.valueOf(getDouble(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 throw newGetIntIllegalArgumentException(); 57 } 58 59 public long getLong(Object obj) throws IllegalArgumentException { 60 throw newGetLongIllegalArgumentException(); 61 } 62 63 public float getFloat(Object obj) throws IllegalArgumentException { 64 throw newGetFloatIllegalArgumentException(); 65 } 66 67 public double getDouble(Object obj) throws IllegalArgumentException { 68 ensureObj(obj); 69 return unsafe.getDouble(obj, fieldOffset); 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.putDouble(obj, fieldOffset, ((Byte) value).byteValue()); 84 return; 85 } 86 if (value instanceof Short) { 87 unsafe.putDouble(obj, fieldOffset, ((Short) value).shortValue()); 88 return; 89 } 90 if (value instanceof Character) { 91 unsafe.putDouble(obj, fieldOffset, ((Character) value).charValue()); 92 return; 93 } 94 if (value instanceof Integer) { 95 unsafe.putDouble(obj, fieldOffset, ((Integer) value).intValue()); 96 return; 97 } 98 if (value instanceof Long) { 99 unsafe.putDouble(obj, fieldOffset, ((Long) value).longValue()); 100 return; 101 } 102 if (value instanceof Float) { 103 unsafe.putDouble(obj, fieldOffset, ((Float) value).floatValue()); 104 return; 105 } 106 if (value instanceof Double) { 107 unsafe.putDouble(obj, fieldOffset, ((Double) value).doubleValue()); 108 return; 109 } 110 throwSetIllegalArgumentException(value); 111 } 112 113 public void setBoolean(Object obj, boolean z) 114 throws IllegalArgumentException, IllegalAccessException 115 { 116 throwSetIllegalArgumentException(z); 117 } 118 119 public void setByte(Object obj, byte b) 120 throws IllegalArgumentException, IllegalAccessException 121 { 122 setDouble(obj, b); 123 } 124 125 public void setChar(Object obj, char c) 126 throws IllegalArgumentException, IllegalAccessException 127 { 128 setDouble(obj, c); 129 } 130 131 public void setShort(Object obj, short s) 132 throws IllegalArgumentException, IllegalAccessException 133 { 134 setDouble(obj, s); 135 } 136 137 public void setInt(Object obj, int i) 138 throws IllegalArgumentException, IllegalAccessException 139 { 140 setDouble(obj, i); 141 } 142 143 public void setLong(Object obj, long l) 144 throws IllegalArgumentException, IllegalAccessException 145 { 146 setDouble(obj, l); 147 } 148 149 public void setFloat(Object obj, float f) 150 throws IllegalArgumentException, IllegalAccessException 151 { 152 setDouble(obj, f); 153 } 154 155 public void setDouble(Object obj, double d) 156 throws IllegalArgumentException, IllegalAccessException 157 { 158 ensureObj(obj); 159 if (isFinal) { 160 throwFinalFieldIllegalAccessException(d); 161 } 162 unsafe.putDouble(obj, fieldOffset, d); 163 } 164} 165