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/*
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* Copyright 2001-2004 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package sun.reflect;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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class UnsafeFieldAccessorFactory {
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static FieldAccessor newFieldAccessor(Field field, boolean override) {
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Class type = field.getType();
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boolean isStatic = Modifier.isStatic(field.getModifiers());
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boolean isFinal = Modifier.isFinal(field.getModifiers());
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boolean isVolatile = Modifier.isVolatile(field.getModifiers());
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boolean isQualified = isFinal || isVolatile;
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boolean isReadOnly = isFinal && (isStatic || !override);
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if (isStatic) {
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// This code path does not guarantee that the field's
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// declaring class has been initialized, but it must be
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// before performing reflective operations.
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UnsafeFieldAccessorImpl.unsafe.ensureClassInitialized(field.getDeclaringClass());
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if (!isQualified) {
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if (type == Boolean.TYPE) {
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return new UnsafeStaticBooleanFieldAccessorImpl(field);
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} else if (type == Byte.TYPE) {
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return new UnsafeStaticByteFieldAccessorImpl(field);
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} else if (type == Short.TYPE) {
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return new UnsafeStaticShortFieldAccessorImpl(field);
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} else if (type == Character.TYPE) {
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return new UnsafeStaticCharacterFieldAccessorImpl(field);
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} else if (type == Integer.TYPE) {
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return new UnsafeStaticIntegerFieldAccessorImpl(field);
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} else if (type == Long.TYPE) {
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return new UnsafeStaticLongFieldAccessorImpl(field);
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} else if (type == Float.TYPE) {
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return new UnsafeStaticFloatFieldAccessorImpl(field);
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} else if (type == Double.TYPE) {
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return new UnsafeStaticDoubleFieldAccessorImpl(field);
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} else {
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return new UnsafeStaticObjectFieldAccessorImpl(field);
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}
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} else {
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if (type == Boolean.TYPE) {
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return new UnsafeQualifiedStaticBooleanFieldAccessorImpl(field, isReadOnly);
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} else if (type == Byte.TYPE) {
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return new UnsafeQualifiedStaticByteFieldAccessorImpl(field, isReadOnly);
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} else if (type == Short.TYPE) {
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return new UnsafeQualifiedStaticShortFieldAccessorImpl(field, isReadOnly);
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} else if (type == Character.TYPE) {
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return new UnsafeQualifiedStaticCharacterFieldAccessorImpl(field, isReadOnly);
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} else if (type == Integer.TYPE) {
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return new UnsafeQualifiedStaticIntegerFieldAccessorImpl(field, isReadOnly);
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} else if (type == Long.TYPE) {
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return new UnsafeQualifiedStaticLongFieldAccessorImpl(field, isReadOnly);
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} else if (type == Float.TYPE) {
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return new UnsafeQualifiedStaticFloatFieldAccessorImpl(field, isReadOnly);
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} else if (type == Double.TYPE) {
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return new UnsafeQualifiedStaticDoubleFieldAccessorImpl(field, isReadOnly);
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} else {
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return new UnsafeQualifiedStaticObjectFieldAccessorImpl(field, isReadOnly);
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}
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}
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} else {
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if (!isQualified) {
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if (type == Boolean.TYPE) {
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return new UnsafeBooleanFieldAccessorImpl(field);
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} else if (type == Byte.TYPE) {
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return new UnsafeByteFieldAccessorImpl(field);
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} else if (type == Short.TYPE) {
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return new UnsafeShortFieldAccessorImpl(field);
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} else if (type == Character.TYPE) {
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return new UnsafeCharacterFieldAccessorImpl(field);
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} else if (type == Integer.TYPE) {
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return new UnsafeIntegerFieldAccessorImpl(field);
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} else if (type == Long.TYPE) {
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return new UnsafeLongFieldAccessorImpl(field);
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} else if (type == Float.TYPE) {
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return new UnsafeFloatFieldAccessorImpl(field);
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} else if (type == Double.TYPE) {
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return new UnsafeDoubleFieldAccessorImpl(field);
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} else {
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return new UnsafeObjectFieldAccessorImpl(field);
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}
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} else {
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if (type == Boolean.TYPE) {
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return new UnsafeQualifiedBooleanFieldAccessorImpl(field, isReadOnly);
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} else if (type == Byte.TYPE) {
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return new UnsafeQualifiedByteFieldAccessorImpl(field, isReadOnly);
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} else if (type == Short.TYPE) {
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return new UnsafeQualifiedShortFieldAccessorImpl(field, isReadOnly);
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} else if (type == Character.TYPE) {
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return new UnsafeQualifiedCharacterFieldAccessorImpl(field, isReadOnly);
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} else if (type == Integer.TYPE) {
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return new UnsafeQualifiedIntegerFieldAccessorImpl(field, isReadOnly);
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} else if (type == Long.TYPE) {
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return new UnsafeQualifiedLongFieldAccessorImpl(field, isReadOnly);
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} else if (type == Float.TYPE) {
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return new UnsafeQualifiedFloatFieldAccessorImpl(field, isReadOnly);
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} else if (type == Double.TYPE) {
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return new UnsafeQualifiedDoubleFieldAccessorImpl(field, isReadOnly);
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} else {
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return new UnsafeQualifiedObjectFieldAccessorImpl(field, isReadOnly);
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}
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}
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}
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}
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}
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