--- a/jdk/src/java.base/share/classes/sun/reflect/UnsafeFieldAccessorImpl.java Fri Apr 15 16:19:14 2016 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,206 +0,0 @@
-/*
- * Copyright (c) 2001, 2011, 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;
-import jdk.internal.misc.Unsafe;
-
-/** Base class for jdk.internal.misc.Unsafe-based FieldAccessors. The
- observation is that there are only nine types of fields from the
- standpoint of reflection code: the eight primitive types and
- Object. Using class Unsafe instead of generated bytecodes saves
- memory and loading time for the dynamically-generated
- FieldAccessors. */
-
-abstract class UnsafeFieldAccessorImpl extends FieldAccessorImpl {
- static final Unsafe unsafe = Unsafe.getUnsafe();
-
- protected final Field field;
- protected final long fieldOffset;
- protected final boolean isFinal;
-
- UnsafeFieldAccessorImpl(Field field) {
- this.field = field;
- if (Modifier.isStatic(field.getModifiers()))
- fieldOffset = unsafe.staticFieldOffset(field);
- else
- fieldOffset = unsafe.objectFieldOffset(field);
- isFinal = Modifier.isFinal(field.getModifiers());
- }
-
- protected void ensureObj(Object o) {
- // NOTE: will throw NullPointerException, as specified, if o is null
- if (!field.getDeclaringClass().isAssignableFrom(o.getClass())) {
- throwSetIllegalArgumentException(o);
- }
- }
-
- private String getQualifiedFieldName() {
- return field.getDeclaringClass().getName() + "." +field.getName();
- }
-
- protected IllegalArgumentException newGetIllegalArgumentException(String type) {
- return new IllegalArgumentException(
- "Attempt to get "+field.getType().getName()+" field \"" +
- getQualifiedFieldName() + "\" with illegal data type conversion to "+type
- );
- }
-
- protected void throwFinalFieldIllegalAccessException(String attemptedType,
- String attemptedValue)
- throws IllegalAccessException {
- throw new IllegalAccessException(getSetMessage(attemptedType, attemptedValue));
-
- }
- protected void throwFinalFieldIllegalAccessException(Object o) throws IllegalAccessException {
- throwFinalFieldIllegalAccessException(o != null ? o.getClass().getName() : "", "");
- }
-
- protected void throwFinalFieldIllegalAccessException(boolean z) throws IllegalAccessException {
- throwFinalFieldIllegalAccessException("boolean", Boolean.toString(z));
- }
-
- protected void throwFinalFieldIllegalAccessException(char b) throws IllegalAccessException {
- throwFinalFieldIllegalAccessException("char", Character.toString(b));
- }
-
- protected void throwFinalFieldIllegalAccessException(byte b) throws IllegalAccessException {
- throwFinalFieldIllegalAccessException("byte", Byte.toString(b));
- }
-
- protected void throwFinalFieldIllegalAccessException(short b) throws IllegalAccessException {
- throwFinalFieldIllegalAccessException("short", Short.toString(b));
- }
-
- protected void throwFinalFieldIllegalAccessException(int i) throws IllegalAccessException {
- throwFinalFieldIllegalAccessException("int", Integer.toString(i));
- }
-
- protected void throwFinalFieldIllegalAccessException(long i) throws IllegalAccessException {
- throwFinalFieldIllegalAccessException("long", Long.toString(i));
- }
-
- protected void throwFinalFieldIllegalAccessException(float f) throws IllegalAccessException {
- throwFinalFieldIllegalAccessException("float", Float.toString(f));
- }
-
- protected void throwFinalFieldIllegalAccessException(double f) throws IllegalAccessException {
- throwFinalFieldIllegalAccessException("double", Double.toString(f));
- }
-
- protected IllegalArgumentException newGetBooleanIllegalArgumentException() {
- return newGetIllegalArgumentException("boolean");
- }
-
- protected IllegalArgumentException newGetByteIllegalArgumentException() {
- return newGetIllegalArgumentException("byte");
- }
-
- protected IllegalArgumentException newGetCharIllegalArgumentException() {
- return newGetIllegalArgumentException("char");
- }
-
- protected IllegalArgumentException newGetShortIllegalArgumentException() {
- return newGetIllegalArgumentException("short");
- }
-
- protected IllegalArgumentException newGetIntIllegalArgumentException() {
- return newGetIllegalArgumentException("int");
- }
-
- protected IllegalArgumentException newGetLongIllegalArgumentException() {
- return newGetIllegalArgumentException("long");
- }
-
- protected IllegalArgumentException newGetFloatIllegalArgumentException() {
- return newGetIllegalArgumentException("float");
- }
-
- protected IllegalArgumentException newGetDoubleIllegalArgumentException() {
- return newGetIllegalArgumentException("double");
- }
-
- protected String getSetMessage(String attemptedType, String attemptedValue) {
- String err = "Can not set";
- if (Modifier.isStatic(field.getModifiers()))
- err += " static";
- if (isFinal)
- err += " final";
- err += " " + field.getType().getName() + " field " + getQualifiedFieldName() + " to ";
- if (attemptedValue.length() > 0) {
- err += "(" + attemptedType + ")" + attemptedValue;
- } else {
- if (attemptedType.length() > 0)
- err += attemptedType;
- else
- err += "null value";
- }
- return err;
- }
-
- protected void throwSetIllegalArgumentException(String attemptedType,
- String attemptedValue) {
- throw new IllegalArgumentException(getSetMessage(attemptedType,attemptedValue));
- }
-
- protected void throwSetIllegalArgumentException(Object o) {
- throwSetIllegalArgumentException(o != null ? o.getClass().getName() : "", "");
- }
-
- protected void throwSetIllegalArgumentException(boolean b) {
- throwSetIllegalArgumentException("boolean", Boolean.toString(b));
- }
-
- protected void throwSetIllegalArgumentException(byte b) {
- throwSetIllegalArgumentException("byte", Byte.toString(b));
- }
-
- protected void throwSetIllegalArgumentException(char c) {
- throwSetIllegalArgumentException("char", Character.toString(c));
- }
-
- protected void throwSetIllegalArgumentException(short s) {
- throwSetIllegalArgumentException("short", Short.toString(s));
- }
-
- protected void throwSetIllegalArgumentException(int i) {
- throwSetIllegalArgumentException("int", Integer.toString(i));
- }
-
- protected void throwSetIllegalArgumentException(long l) {
- throwSetIllegalArgumentException("long", Long.toString(l));
- }
-
- protected void throwSetIllegalArgumentException(float f) {
- throwSetIllegalArgumentException("float", Float.toString(f));
- }
-
- protected void throwSetIllegalArgumentException(double d) {
- throwSetIllegalArgumentException("double", Double.toString(d));
- }
-
-}