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| 1 | +/* | |
| 2 | + * Copyright (c) 2003, 2006, 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.misc; | |
| 27 | + | |
| 28 | +import sun.reflect.ConstantPool; | |
| 29 | +import sun.reflect.annotation.AnnotationType; | |
| 30 | +import sun.nio.ch.Interruptible; | |
| 31 | + | |
| 32 | +public interface JavaLangAccess { | |
| 33 | + /** Return the constant pool for a class. */ | |
| 34 | + ConstantPool getConstantPool(Class klass); | |
| 35 | + | |
| 36 | + /** | |
| 37 | + * Set the AnnotationType instance corresponding to this class. | |
| 38 | + * (This method only applies to annotation types.) | |
| 39 | + */ | |
| 40 | + void setAnnotationType(Class klass, AnnotationType annotationType); | |
| 41 | + | |
| 42 | + /** | |
| 43 | + * Get the AnnotationType instance corresponding to this class. | |
| 44 | + * (This method only applies to annotation types.) | |
| 45 | + */ | |
| 46 | + AnnotationType getAnnotationType(Class klass); | |
| 47 | + | |
| 48 | + /** | |
| 49 | + * Returns the elements of an enum class or null if the | |
| 50 | + * Class object does not represent an enum type; | |
| 51 | + * the result is uncloned, cached, and shared by all callers. | |
| 52 | + */ | |
| 53 | + <E extends Enum<E>> E[] getEnumConstantsShared(Class<E> klass); | |
| 54 | + | |
| 55 | + /** Set thread's blocker field. */ | |
| 56 | + void blockedOn(Thread t, Interruptible b); | |
| 57 | + | |
| 58 | + /** | |
| 59 | + * Registers a shutdown hook. | |
| 60 | + * | |
| 61 | + * It is expected that this method with registerShutdownInProgress=true | |
| 62 | + * is only used to register DeleteOnExitHook since the first file | |
| 63 | + * may be added to the delete on exit list by the application shutdown | |
| 64 | + * hooks. | |
| 65 | + * | |
| 66 | + * @params slot the slot in the shutdown hook array, whose element | |
| 67 | + * will be invoked in order during shutdown | |
| 68 | + * @params registerShutdownInProgress true to allow the hook | |
| 69 | + * to be registered even if the shutdown is in progress. | |
| 70 | + * @params hook the hook to be registered | |
| 71 | + * | |
| 72 | + * @throw IllegalStateException if shutdown is in progress and | |
| 73 | + * the slot is not valid to register. | |
| 74 | + */ | |
| 75 | + void registerShutdownHook(int slot, boolean registerShutdownInProgress, Runnable hook); | |
| 76 | + | |
| 77 | + /** | |
| 78 | + * Returns the number of stack frames represented by the given throwable. | |
| 79 | + */ | |
| 80 | + int getStackTraceDepth(Throwable t); | |
| 81 | + | |
| 82 | + /** | |
| 83 | + * Returns the ith StackTraceElement for the given throwable. | |
| 84 | + */ | |
| 85 | + StackTraceElement getStackTraceElement(Throwable t, int i); | |
| 86 | +} | |