Showing the changes to java/pkg/sun/reflect/UnsafeFieldAccessorFactory.java (1 of 18352 files). Show all
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| 1 | /* | ||
| 2 | * Copyright (c) 2001, 2004, 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 | import java.lang.reflect.Modifier; | ||
| 30 | |||
| 31 | class UnsafeFieldAccessorFactory { | ||
| 32 | static FieldAccessor newFieldAccessor(Field field, boolean override) { | ||
| 33 | Class type = field.getType(); | ||
| 34 | boolean isStatic = Modifier.isStatic(field.getModifiers()); | ||
| 35 | boolean isFinal = Modifier.isFinal(field.getModifiers()); | ||
| 36 | boolean isVolatile = Modifier.isVolatile(field.getModifiers()); | ||
| 37 | boolean isQualified = isFinal || isVolatile; | ||
| 38 | boolean isReadOnly = isFinal && (isStatic || !override); | ||
| 39 | if (isStatic) { | ||
| 40 | // This code path does not guarantee that the field's | ||
| 41 | // declaring class has been initialized, but it must be | ||
| 42 | // before performing reflective operations. | ||
| 43 | UnsafeFieldAccessorImpl.unsafe.ensureClassInitialized(field.getDeclaringClass()); | ||
| 44 | |||
| 45 | if (!isQualified) { | ||
| 46 | if (type == Boolean.TYPE) { | ||
| 47 | return new UnsafeStaticBooleanFieldAccessorImpl(field); | ||
| 48 | } else if (type == Byte.TYPE) { | ||
| 49 | return new UnsafeStaticByteFieldAccessorImpl(field); | ||
| 50 | } else if (type == Short.TYPE) { | ||
| 51 | return new UnsafeStaticShortFieldAccessorImpl(field); | ||
| 52 | } else if (type == Character.TYPE) { | ||
| 53 | return new UnsafeStaticCharacterFieldAccessorImpl(field); | ||
| 54 | } else if (type == Integer.TYPE) { | ||
| 55 | return new UnsafeStaticIntegerFieldAccessorImpl(field); | ||
| 56 | } else if (type == Long.TYPE) { | ||
| 57 | return new UnsafeStaticLongFieldAccessorImpl(field); | ||
| 58 | } else if (type == Float.TYPE) { | ||
| 59 | return new UnsafeStaticFloatFieldAccessorImpl(field); | ||
| 60 | } else if (type == Double.TYPE) { | ||
| 61 | return new UnsafeStaticDoubleFieldAccessorImpl(field); | ||
| 62 | } else { | ||
| 63 | return new UnsafeStaticObjectFieldAccessorImpl(field); | ||
| 64 | } | ||
| 65 | } else { | ||
| 66 | if (type == Boolean.TYPE) { | ||
| 67 | return new UnsafeQualifiedStaticBooleanFieldAccessorImpl(field, isReadOnly); | ||
| 68 | } else if (type == Byte.TYPE) { | ||
| 69 | return new UnsafeQualifiedStaticByteFieldAccessorImpl(field, isReadOnly); | ||
| 70 | } else if (type == Short.TYPE) { | ||
| 71 | return new UnsafeQualifiedStaticShortFieldAccessorImpl(field, isReadOnly); | ||
| 72 | } else if (type == Character.TYPE) { | ||
| 73 | return new UnsafeQualifiedStaticCharacterFieldAccessorImpl(field, isReadOnly); | ||
| 74 | } else if (type == Integer.TYPE) { | ||
| 75 | return new UnsafeQualifiedStaticIntegerFieldAccessorImpl(field, isReadOnly); | ||
| 76 | } else if (type == Long.TYPE) { | ||
| 77 | return new UnsafeQualifiedStaticLongFieldAccessorImpl(field, isReadOnly); | ||
| 78 | } else if (type == Float.TYPE) { | ||
| 79 | return new UnsafeQualifiedStaticFloatFieldAccessorImpl(field, isReadOnly); | ||
| 80 | } else if (type == Double.TYPE) { | ||
| 81 | return new UnsafeQualifiedStaticDoubleFieldAccessorImpl(field, isReadOnly); | ||
| 82 | } else { | ||
| 83 | return new UnsafeQualifiedStaticObjectFieldAccessorImpl(field, isReadOnly); | ||
| 84 | } | ||
| 85 | } | ||
| 86 | } else { | ||
| 87 | if (!isQualified) { | ||
| 88 | if (type == Boolean.TYPE) { | ||
| 89 | return new UnsafeBooleanFieldAccessorImpl(field); | ||
| 90 | } else if (type == Byte.TYPE) { | ||
| 91 | return new UnsafeByteFieldAccessorImpl(field); | ||
| 92 | } else if (type == Short.TYPE) { | ||
| 93 | return new UnsafeShortFieldAccessorImpl(field); | ||
| 94 | } else if (type == Character.TYPE) { | ||
| 95 | return new UnsafeCharacterFieldAccessorImpl(field); | ||
| 96 | } else if (type == Integer.TYPE) { | ||
| 97 | return new UnsafeIntegerFieldAccessorImpl(field); | ||
| 98 | } else if (type == Long.TYPE) { | ||
| 99 | return new UnsafeLongFieldAccessorImpl(field); | ||
| 100 | } else if (type == Float.TYPE) { | ||
| 101 | return new UnsafeFloatFieldAccessorImpl(field); | ||
| 102 | } else if (type == Double.TYPE) { | ||
| 103 | return new UnsafeDoubleFieldAccessorImpl(field); | ||
| 104 | } else { | ||
| 105 | return new UnsafeObjectFieldAccessorImpl(field); | ||
| 106 | } | ||
| 107 | } else { | ||
| 108 | if (type == Boolean.TYPE) { | ||
| 109 | return new UnsafeQualifiedBooleanFieldAccessorImpl(field, isReadOnly); | ||
| 110 | } else if (type == Byte.TYPE) { | ||
| 111 | return new UnsafeQualifiedByteFieldAccessorImpl(field, isReadOnly); | ||
| 112 | } else if (type == Short.TYPE) { | ||
| 113 | return new UnsafeQualifiedShortFieldAccessorImpl(field, isReadOnly); | ||
| 114 | } else if (type == Character.TYPE) { | ||
| 115 | return new UnsafeQualifiedCharacterFieldAccessorImpl(field, isReadOnly); | ||
| 116 | } else if (type == Integer.TYPE) { | ||
| 117 | return new UnsafeQualifiedIntegerFieldAccessorImpl(field, isReadOnly); | ||
| 118 | } else if (type == Long.TYPE) { | ||
| 119 | return new UnsafeQualifiedLongFieldAccessorImpl(field, isReadOnly); | ||
| 120 | } else if (type == Float.TYPE) { | ||
| 121 | return new UnsafeQualifiedFloatFieldAccessorImpl(field, isReadOnly); | ||
| 122 | } else if (type == Double.TYPE) { | ||
| 123 | return new UnsafeQualifiedDoubleFieldAccessorImpl(field, isReadOnly); | ||
| 124 | } else { | ||
| 125 | return new UnsafeQualifiedObjectFieldAccessorImpl(field, isReadOnly); | ||
| 126 | } | ||
| 127 | } | ||
| 128 | } | ||
| 129 | } | ||
| 130 | } | ||