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