diff -r 65407a437327 -r 339963bcff24 src/java.base/share/classes/jdk/internal/misc/JavaLangAccess.java --- a/src/java.base/share/classes/jdk/internal/misc/JavaLangAccess.java Mon Nov 12 10:55:49 2018 +0530 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,314 +0,0 @@ -/* - * Copyright (c) 2003, 2018, 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 jdk.internal.misc; - -import java.lang.annotation.Annotation; -import java.lang.module.ModuleDescriptor; -import java.lang.reflect.Executable; -import java.lang.reflect.Method; -import java.net.URI; -import java.nio.charset.CharacterCodingException; -import java.nio.charset.Charset; -import java.security.AccessControlContext; -import java.security.ProtectionDomain; -import java.util.Iterator; -import java.util.List; -import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; -import java.util.stream.Stream; - -import jdk.internal.module.ServicesCatalog; -import jdk.internal.reflect.ConstantPool; -import sun.reflect.annotation.AnnotationType; -import sun.nio.ch.Interruptible; - -public interface JavaLangAccess { - - /** - * Returns the list of {@code Method} objects for the declared public - * methods of this class or interface that have the specified method name - * and parameter types. - */ - List getDeclaredPublicMethods(Class klass, String name, Class... parameterTypes); - - /** - * Return the constant pool for a class. - */ - ConstantPool getConstantPool(Class klass); - - /** - * Compare-And-Set the AnnotationType instance corresponding to this class. - * (This method only applies to annotation types.) - */ - boolean casAnnotationType(Class klass, AnnotationType oldType, AnnotationType newType); - - /** - * Get the AnnotationType instance corresponding to this class. - * (This method only applies to annotation types.) - */ - AnnotationType getAnnotationType(Class klass); - - /** - * Get the declared annotations for a given class, indexed by their types. - */ - Map, Annotation> getDeclaredAnnotationMap(Class klass); - - /** - * Get the array of bytes that is the class-file representation - * of this Class' annotations. - */ - byte[] getRawClassAnnotations(Class klass); - - /** - * Get the array of bytes that is the class-file representation - * of this Class' type annotations. - */ - byte[] getRawClassTypeAnnotations(Class klass); - - /** - * Get the array of bytes that is the class-file representation - * of this Executable's type annotations. - */ - byte[] getRawExecutableTypeAnnotations(Executable executable); - - /** - * Returns the elements of an enum class or null if the - * Class object does not represent an enum type; - * the result is uncloned, cached, and shared by all callers. - */ - > E[] getEnumConstantsShared(Class klass); - - /** - * Set current thread's blocker field. - */ - void blockedOn(Interruptible b); - - /** - * Registers a shutdown hook. - * - * It is expected that this method with registerShutdownInProgress=true - * is only used to register DeleteOnExitHook since the first file - * may be added to the delete on exit list by the application shutdown - * hooks. - * - * @param slot the slot in the shutdown hook array, whose element - * will be invoked in order during shutdown - * @param registerShutdownInProgress true to allow the hook - * to be registered even if the shutdown is in progress. - * @param hook the hook to be registered - * - * @throws IllegalStateException if shutdown is in progress and - * the slot is not valid to register. - */ - void registerShutdownHook(int slot, boolean registerShutdownInProgress, Runnable hook); - - /** - * Returns a new Thread with the given Runnable and an - * inherited AccessControlContext. - */ - Thread newThreadWithAcc(Runnable target, AccessControlContext acc); - - /** - * Invokes the finalize method of the given object. - */ - void invokeFinalize(Object o) throws Throwable; - - /** - * Returns the ConcurrentHashMap used as a storage for ClassLoaderValue(s) - * associated with the given class loader, creating it if it doesn't already exist. - */ - ConcurrentHashMap createOrGetClassLoaderValueMap(ClassLoader cl); - - /** - * Defines a class with the given name to a class loader. - */ - Class defineClass(ClassLoader cl, String name, byte[] b, ProtectionDomain pd, String source); - - /** - * Returns a class loaded by the bootstrap class loader. - */ - Class findBootstrapClassOrNull(ClassLoader cl, String name); - - /** - * Define a Package of the given name and module by the given class loader. - */ - Package definePackage(ClassLoader cl, String name, Module module); - - /** - * Invokes Long.fastUUID - */ - String fastUUID(long lsb, long msb); - - /** - * Record the non-exported packages of the modules in the given layer - */ - void addNonExportedPackages(ModuleLayer layer); - - /** - * Invalidate package access cache - */ - void invalidatePackageAccessCache(); - - /** - * Defines a new module to the Java virtual machine. The module - * is defined to the given class loader. - * - * The URI is for information purposes only, it can be {@code null}. - */ - Module defineModule(ClassLoader loader, ModuleDescriptor descriptor, URI uri); - - /** - * Defines the unnamed module for the given class loader. - */ - Module defineUnnamedModule(ClassLoader loader); - - /** - * Updates the readability so that module m1 reads m2. The new read edge - * does not result in a strong reference to m2 (m2 can be GC'ed). - * - * This method is the same as m1.addReads(m2) but without a permission check. - */ - void addReads(Module m1, Module m2); - - /** - * Updates module m to read all unnamed modules. - */ - void addReadsAllUnnamed(Module m); - - /** - * Updates module m1 to export a package to module m2. The export does - * not result in a strong reference to m2 (m2 can be GC'ed). - */ - void addExports(Module m1, String pkg, Module m2); - - /** - * Updates a module m to export a package to all unnamed modules. - */ - void addExportsToAllUnnamed(Module m, String pkg); - - /** - * Updates module m1 to open a package to module m2. Opening the - * package does not result in a strong reference to m2 (m2 can be GC'ed). - */ - void addOpens(Module m1, String pkg, Module m2); - - /** - * Updates module m to open a package to all unnamed modules. - */ - void addOpensToAllUnnamed(Module m, String pkg); - - /** - * Updates module m to open all packages returned by the given iterator. - */ - void addOpensToAllUnnamed(Module m, Iterator packages); - - /** - * Updates module m to use a service. - */ - void addUses(Module m, Class service); - - /** - * Returns true if module m reflectively exports a package to other - */ - boolean isReflectivelyExported(Module module, String pn, Module other); - - /** - * Returns true if module m reflectively opens a package to other - */ - boolean isReflectivelyOpened(Module module, String pn, Module other); - - /** - * Returns the ServicesCatalog for the given Layer. - */ - ServicesCatalog getServicesCatalog(ModuleLayer layer); - - /** - * Returns an ordered stream of layers. The first element is the - * given layer, the remaining elements are its parents, in DFS order. - */ - Stream layers(ModuleLayer layer); - - /** - * Returns a stream of the layers that have modules defined to the - * given class loader. - */ - Stream layers(ClassLoader loader); - - /** - * Constructs a new {@code String} by decoding the specified subarray of - * bytes using the specified {@linkplain java.nio.charset.Charset charset}. - * - * The caller of this method shall relinquish and transfer the ownership of - * the byte array to the callee since the later will not make a copy. - * - * @param bytes the byte array source - * @param cs the Charset - * @return the newly created string - * @throws CharacterCodingException for malformed or unmappable bytes - */ - String newStringNoRepl(byte[] bytes, Charset cs) throws CharacterCodingException; - - /** - * Encode the given string into a sequence of bytes using the specified Charset. - * - * This method avoids copying the String's internal representation if the input - * is ASCII. - * - * This method throws CharacterCodingException instead of replacing when - * malformed input or unmappable characters are encountered. - * - * @param s the string to encode - * @param cs the charset - * @return the encoded bytes - * @throws CharacterCodingException for malformed input or unmappable characters - */ - byte[] getBytesNoRepl(String s, Charset cs) throws CharacterCodingException; - - /** - * Returns a new string by decoding from the given utf8 bytes array. - * - * @param off the index of the first byte to decode - * @param len the number of bytes to decode - * @return the newly created string - * @throws IllegalArgumentException for malformed or unmappable bytes. - */ - String newStringUTF8NoRepl(byte[] bytes, int off, int len); - - /** - * Encode the given string into a sequence of bytes using utf8. - * - * @param s the string to encode - * @return the encoded bytes in utf8 - * @throws IllegalArgumentException for malformed surrogates - */ - byte[] getBytesUTF8NoRepl(String s); - - /** - * Set the cause of Throwable - * @param cause set t's cause to new value - */ - void setCause(Throwable t, Throwable cause); -}