0N/A/*
2362N/A * Copyright (c) 2001, 2004, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage sun.reflect;
0N/A
0N/Aimport java.lang.reflect.Field;
0N/Aimport java.lang.reflect.Modifier;
0N/A
0N/Aclass UnsafeFieldAccessorFactory {
0N/A static FieldAccessor newFieldAccessor(Field field, boolean override) {
0N/A Class type = field.getType();
0N/A boolean isStatic = Modifier.isStatic(field.getModifiers());
0N/A boolean isFinal = Modifier.isFinal(field.getModifiers());
0N/A boolean isVolatile = Modifier.isVolatile(field.getModifiers());
0N/A boolean isQualified = isFinal || isVolatile;
0N/A boolean isReadOnly = isFinal && (isStatic || !override);
0N/A if (isStatic) {
0N/A // This code path does not guarantee that the field's
0N/A // declaring class has been initialized, but it must be
0N/A // before performing reflective operations.
0N/A UnsafeFieldAccessorImpl.unsafe.ensureClassInitialized(field.getDeclaringClass());
0N/A
0N/A if (!isQualified) {
0N/A if (type == Boolean.TYPE) {
0N/A return new UnsafeStaticBooleanFieldAccessorImpl(field);
0N/A } else if (type == Byte.TYPE) {
0N/A return new UnsafeStaticByteFieldAccessorImpl(field);
0N/A } else if (type == Short.TYPE) {
0N/A return new UnsafeStaticShortFieldAccessorImpl(field);
0N/A } else if (type == Character.TYPE) {
0N/A return new UnsafeStaticCharacterFieldAccessorImpl(field);
0N/A } else if (type == Integer.TYPE) {
0N/A return new UnsafeStaticIntegerFieldAccessorImpl(field);
0N/A } else if (type == Long.TYPE) {
0N/A return new UnsafeStaticLongFieldAccessorImpl(field);
0N/A } else if (type == Float.TYPE) {
0N/A return new UnsafeStaticFloatFieldAccessorImpl(field);
0N/A } else if (type == Double.TYPE) {
0N/A return new UnsafeStaticDoubleFieldAccessorImpl(field);
0N/A } else {
0N/A return new UnsafeStaticObjectFieldAccessorImpl(field);
0N/A }
0N/A } else {
0N/A if (type == Boolean.TYPE) {
0N/A return new UnsafeQualifiedStaticBooleanFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Byte.TYPE) {
0N/A return new UnsafeQualifiedStaticByteFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Short.TYPE) {
0N/A return new UnsafeQualifiedStaticShortFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Character.TYPE) {
0N/A return new UnsafeQualifiedStaticCharacterFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Integer.TYPE) {
0N/A return new UnsafeQualifiedStaticIntegerFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Long.TYPE) {
0N/A return new UnsafeQualifiedStaticLongFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Float.TYPE) {
0N/A return new UnsafeQualifiedStaticFloatFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Double.TYPE) {
0N/A return new UnsafeQualifiedStaticDoubleFieldAccessorImpl(field, isReadOnly);
0N/A } else {
0N/A return new UnsafeQualifiedStaticObjectFieldAccessorImpl(field, isReadOnly);
0N/A }
0N/A }
0N/A } else {
0N/A if (!isQualified) {
0N/A if (type == Boolean.TYPE) {
0N/A return new UnsafeBooleanFieldAccessorImpl(field);
0N/A } else if (type == Byte.TYPE) {
0N/A return new UnsafeByteFieldAccessorImpl(field);
0N/A } else if (type == Short.TYPE) {
0N/A return new UnsafeShortFieldAccessorImpl(field);
0N/A } else if (type == Character.TYPE) {
0N/A return new UnsafeCharacterFieldAccessorImpl(field);
0N/A } else if (type == Integer.TYPE) {
0N/A return new UnsafeIntegerFieldAccessorImpl(field);
0N/A } else if (type == Long.TYPE) {
0N/A return new UnsafeLongFieldAccessorImpl(field);
0N/A } else if (type == Float.TYPE) {
0N/A return new UnsafeFloatFieldAccessorImpl(field);
0N/A } else if (type == Double.TYPE) {
0N/A return new UnsafeDoubleFieldAccessorImpl(field);
0N/A } else {
0N/A return new UnsafeObjectFieldAccessorImpl(field);
0N/A }
0N/A } else {
0N/A if (type == Boolean.TYPE) {
0N/A return new UnsafeQualifiedBooleanFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Byte.TYPE) {
0N/A return new UnsafeQualifiedByteFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Short.TYPE) {
0N/A return new UnsafeQualifiedShortFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Character.TYPE) {
0N/A return new UnsafeQualifiedCharacterFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Integer.TYPE) {
0N/A return new UnsafeQualifiedIntegerFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Long.TYPE) {
0N/A return new UnsafeQualifiedLongFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Float.TYPE) {
0N/A return new UnsafeQualifiedFloatFieldAccessorImpl(field, isReadOnly);
0N/A } else if (type == Double.TYPE) {
0N/A return new UnsafeQualifiedDoubleFieldAccessorImpl(field, isReadOnly);
0N/A } else {
0N/A return new UnsafeQualifiedObjectFieldAccessorImpl(field, isReadOnly);
0N/A }
0N/A }
0N/A }
0N/A }
0N/A}