Class.java revision 191e70e2ebae59054aa8737707bb9845b71b4820
151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 22c87ad3a45cecf9e344487cad1abfdebe79f2c7cNarayan Kamath * Copyright (C) 2014 The Android Open Source Project 37accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * Copyright (c) 1994, 2014, Oracle and/or its affiliates. All rights reserved. 451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is free software; you can redistribute it and/or modify it 751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * under the terms of the GNU General Public License version 2 only, as 851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * published by the Free Software Foundation. Oracle designates this 951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * particular file as subject to the "Classpath" exception as provided 1051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by Oracle in the LICENSE file that accompanied this code. 1151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is distributed in the hope that it will be useful, but WITHOUT 1351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * version 2 for more details (a copy is included in the LICENSE file that 1651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * accompanied this code). 1751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * You should have received a copy of the GNU General Public License version 1951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2 along with this work; if not, write to the Free Software Foundation, 2051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or visit www.oracle.com if you need additional information or have any 2451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * questions. 2551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 2651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskipackage java.lang; 2851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2920938c5ed2bc8f5de8047a47caddb146f730868fNeil Fullerimport com.android.dex.Dex; 3020938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller 3120938c5ed2bc8f5de8047a47caddb146f730868fNeil Fullerimport java.io.InputStream; 3220938c5ed2bc8f5de8047a47caddb146f730868fNeil Fullerimport java.io.Serializable; 3320938c5ed2bc8f5de8047a47caddb146f730868fNeil Fullerimport java.lang.annotation.Annotation; 3420938c5ed2bc8f5de8047a47caddb146f730868fNeil Fullerimport java.lang.annotation.Inherited; 35be1608980825868eb1c70fab6eb86fe06bd304ceYi Kongimport java.lang.reflect.AnnotatedElement; 3651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.Array; 3720938c5ed2bc8f5de8047a47caddb146f730868fNeil Fullerimport java.lang.reflect.Constructor; 3851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.Field; 397accc5fb09911a1dcc027f48089845f617f2912eNeil Fullerimport java.lang.reflect.GenericDeclaration; 4020938c5ed2bc8f5de8047a47caddb146f730868fNeil Fullerimport java.lang.reflect.Member; 4151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.Method; 4251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.Modifier; 4351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.Type; 4451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.TypeVariable; 4551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.ArrayList; 4651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.Arrays; 4751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.Collection; 4820938c5ed2bc8f5de8047a47caddb146f730868fNeil Fullerimport java.util.Collections; 4951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.HashMap; 5020938c5ed2bc8f5de8047a47caddb146f730868fNeil Fullerimport java.util.List; 517accc5fb09911a1dcc027f48089845f617f2912eNeil Fullerimport java.util.Objects; 52a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebskiimport libcore.reflect.GenericSignatureParser; 5320938c5ed2bc8f5de8047a47caddb146f730868fNeil Fullerimport libcore.reflect.InternalNames; 54a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebskiimport libcore.reflect.Types; 55a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebskiimport libcore.util.BasicLruCache; 56a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebskiimport libcore.util.CollectionUtils; 57a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebskiimport libcore.util.EmptyArray; 5820938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller 5920938c5ed2bc8f5de8047a47caddb146f730868fNeil Fullerimport dalvik.system.VMStack; 6020938c5ed2bc8f5de8047a47caddb146f730868fNeil Fullerimport sun.reflect.CallerSensitive; 61a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 6251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/** 6351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Instances of the class {@code Class} represent classes and 6451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * interfaces in a running Java application. An enum is a kind of 6551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class and an annotation is a kind of interface. Every array also 6651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * belongs to a class that is reflected as a {@code Class} object 6751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * that is shared by all arrays with the same element type and number 6851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * of dimensions. The primitive Java types ({@code boolean}, 6951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code byte}, {@code char}, {@code short}, 7051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code int}, {@code long}, {@code float}, and 7151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code double}), and the keyword {@code void} are also 7251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represented as {@code Class} objects. 7351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 7451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> {@code Class} has no public constructor. Instead {@code Class} 7551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * objects are constructed automatically by the Java Virtual Machine as classes 7651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * are loaded and by calls to the {@code defineClass} method in the class 7751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * loader. 7851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 7951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> The following example uses a {@code Class} object to print the 8051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class name of an object: 8151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 827accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <blockquote><pre> 8351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * void printClassName(Object obj) { 8451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * System.out.println("The class of " + obj + 8551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * " is " + obj.getClass().getName()); 8651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * } 8751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </pre></blockquote> 8851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 8951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> It is also possible to get the {@code Class} object for a named 9051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * type (or for void) using a class literal. See Section 15.8.2 of 9151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <cite>The Java™ Language Specification</cite>. 9251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * For example: 9351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 947accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <blockquote> 9551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code System.out.println("The name of class Foo is: "+Foo.class.getName());} 9651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </blockquote> 9751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 9851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param <T> the type of the class modeled by this {@code Class} 9951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * object. For example, the type of {@code String.class} is {@code 10051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Class<String>}. Use {@code Class<?>} if the class being modeled is 10151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * unknown. 10251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 10351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @author unascribed 10451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.ClassLoader#defineClass(byte[], int, int) 10551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.0 10651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 1077accc5fb09911a1dcc027f48089845f617f2912eNeil Fullerpublic final class Class<T> implements java.io.Serializable, 1087accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller GenericDeclaration, 1097accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller Type, 1107accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller AnnotatedElement { 1117accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller private static final int ANNOTATION= 0x00002000; 1127accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller private static final int ENUM = 0x00004000; 1137accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller private static final int SYNTHETIC = 0x00001000; 1147accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller private static final int FINALIZABLE = 0x80000000; 1151ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 1161ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** defining class loader, or null for the "bootstrap" system loader. */ 1171ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient ClassLoader classLoader; 1181ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 1191ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 1201ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * For array classes, the component class object for instanceof/checkcast (for String[][][], 1211ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * this will be String[][]). null for non-array classes. 1221ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 1231ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient Class<?> componentType; 1241ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 1251ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * DexCache of resolved constant pool entries. Will be null for certain runtime-generated classes 1261ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * e.g. arrays and primitive classes. 1271ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 1281ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient DexCache dexCache; 1291ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 1301ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 1311ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * The interface table (iftable_) contains pairs of a interface class and an array of the 1321ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * interface methods. There is one pair per interface supported by this class. That 1331ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * means one pair for each interface we support directly, indirectly via superclass, or 1341ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * indirectly via a superinterface. This will be null if neither we nor our superclass 1351ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * implement any interfaces. 1361ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * 1371ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Why we need this: given "class Foo implements Face", declare "Face faceObj = new Foo()". 1381ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Invoke faceObj.blah(), where "blah" is part of the Face interface. We can't easily use a 1391ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * single vtable. 1401ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * 1411ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * For every interface a concrete class implements, we create an array of the concrete vtable_ 1421ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * methods for the methods in the interface. 1431ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 1441ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient Object[] ifTable; 1451ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 1461ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** Lazily computed name of this class; always prefer calling getName(). */ 1471ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient String name; 1481ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 1491ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** The superclass, or null if this is java.lang.Object, an interface or primitive type. */ 1501ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient Class<? super T> superClass; 1511ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 15270b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak /** 15370b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * If class verify fails, we must return same error on subsequent tries. We may store either 15470b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * the class of the error, or an actual instance of Throwable here. 15570b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak */ 15670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak private transient Object verifyError; 1571ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 1581ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 1591ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Virtual method table (vtable), for use by "invoke-virtual". The vtable from the superclass 1601ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * is copied in, and virtual methods from our class either replace those from the super or are 1611ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * appended. For abstract classes, methods may be created in the vtable that aren't in 1621ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * virtual_ methods_ for miranda methods. 1631ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 1641ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient Object vtable; 1651ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 16670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak /** Short-cut to dexCache.strings */ 16770b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak private transient long dexCacheStrings; 16870b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak 1691ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** access flags; low 16 bits are defined by VM spec */ 1701ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient int accessFlags; 1711ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 1721ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 1731ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Instance fields. These describe the layout of the contents of an Object. Note that only the 1741ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * fields directly declared by this class are listed in iFields; fields declared by a 1751ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * superclass are listed in the superclass's Class.iFields. 1761ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * 1771ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * All instance fields that refer to objects are guaranteed to be at the beginning of the field 1781ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * list. {@link Class#numReferenceInstanceFields} specifies the number of reference fields. 1791ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 1801ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient long iFields; 1811ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 182551112f15a648b739f842b2466b5fdae3e80d6deAlex Light /** All methods with this class as the base for virtual dispatch. */ 183551112f15a648b739f842b2466b5fdae3e80d6deAlex Light private transient long methods; 184551112f15a648b739f842b2466b5fdae3e80d6deAlex Light 1851ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** Static fields */ 1861ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient long sFields; 1871ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 18870b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak /** Class flags to help the GC with object scanning. */ 18970b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak private transient int classFlags; 19070b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak 1911ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 1921ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Total size of the Class instance; used when allocating storage on GC heap. 1931ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * See also {@link Class#objectSize}. 1941ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 1951ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient int classSize; 1961ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 1971ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 1981ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * tid used to check for recursive static initializer invocation. 1991ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 2001ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient int clinitThreadId; 2011ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 2021ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 2031ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Class def index from dex file. An index of 65535 indicates that there is no class definition, 2041ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * for example for an array type. 2051ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * TODO: really 16bits as type indices are 16bit. 2061ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 2071ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient int dexClassDefIndex; 2081ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 2091ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 2101ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Class type index from dex file, lazily computed. An index of 65535 indicates that the type 2111ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * index isn't known. Volatile to avoid double-checked locking bugs. 2121ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * TODO: really 16bits as type indices are 16bit. 2131ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 2141ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient volatile int dexTypeIndex; 2151ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 2161ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** Number of instance fields that are object references. */ 2171ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient int numReferenceInstanceFields; 2181ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 2191ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** Number of static fields that are object references. */ 2201ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient int numReferenceStaticFields; 2211ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 2221ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 2231ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Total object size; used when allocating storage on GC heap. For interfaces and abstract 2241ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * classes this will be zero. See also {@link Class#classSize}. 2251ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 2261ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient int objectSize; 2271ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 2281ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 229265a876206ebe30470777d444d7fc5087087913aMathieu Chartier * Aligned object size for allocation fast path. The value is max int if the object is 230265a876206ebe30470777d444d7fc5087087913aMathieu Chartier * uninitialized or finalizable, otherwise the aligned object size. 231265a876206ebe30470777d444d7fc5087087913aMathieu Chartier */ 232265a876206ebe30470777d444d7fc5087087913aMathieu Chartier private transient int objectSizeAllocFastPath; 233265a876206ebe30470777d444d7fc5087087913aMathieu Chartier 234265a876206ebe30470777d444d7fc5087087913aMathieu Chartier /** 2351ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * The lower 16 bits is the primitive type value, or 0 if not a primitive type; set for 2361ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * generated primitive classes. 2371ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 2381ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient int primitiveType; 2391ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 2401ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** Bitmap of offsets of iFields. */ 2411ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient int referenceInstanceOffsets; 2421ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 2431ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** State of class initialization */ 2441ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private transient int status; 2451ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 246551112f15a648b739f842b2466b5fdae3e80d6deAlex Light /** Offset of the first virtual method copied from an interface in the methods array. */ 247551112f15a648b739f842b2466b5fdae3e80d6deAlex Light private transient short copiedMethodsOffset; 248551112f15a648b739f842b2466b5fdae3e80d6deAlex Light 249551112f15a648b739f842b2466b5fdae3e80d6deAlex Light /** Offset of the first virtual method defined in this class in the methods array. */ 250551112f15a648b739f842b2466b5fdae3e80d6deAlex Light private transient short virtualMethodsOffset; 251551112f15a648b739f842b2466b5fdae3e80d6deAlex Light 25251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /* 2537accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * Private constructor. Only the Java Virtual Machine creates Class objects. 2547accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * This constructor is not used and prevents the default constructor being 2557accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * generated. 25651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 25751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private Class() {} 25851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 25951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 26051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 26151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Converts the object to a string. The string representation is the 26251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * string "class" or "interface", followed by a space, and then by the 26351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * fully qualified name of the class in the format returned by 26451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code getName}. If this {@code Class} object represents a 26551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * primitive type, this method returns the name of the primitive type. If 26651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this {@code Class} object represents void this method returns 26751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * "void". 26851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 26951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return a string representation of this class object. 27051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 27151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public String toString() { 27251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (isInterface() ? "interface " : (isPrimitive() ? "" : "class ")) 27351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski + getName(); 27451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 27551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2767accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller /** 2777accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * Returns a string describing this {@code Class}, including 2787accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * information about modifiers and type parameters. 2797accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 2807accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * The string is formatted as a list of type modifiers, if any, 2817accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * followed by the kind of type (empty string for primitive types 2827accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * and {@code class}, {@code enum}, {@code interface}, or 2837accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <code>@</code>{@code interface}, as appropriate), followed 2847accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * by the type's name, followed by an angle-bracketed 2857accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * comma-separated list of the type's type parameters, if any. 2867accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 2877accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * A space is used to separate modifiers from one another and to 2887accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * separate any modifiers from the kind of type. The modifiers 2897accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * occur in canonical order. If there are no type parameters, the 2907accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * type parameter list is elided. 2917accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 2927accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p>Note that since information about the runtime representation 2937accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of a type is being generated, modifiers not present on the 2947accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * originating source code or illegal on the originating source 2957accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * code may be present. 2967accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 2977accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @return a string describing this {@code Class}, including 2987accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * information about modifiers and type parameters 2997accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 3007accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @since 1.8 3017accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller */ 3027accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller public String toGenericString() { 3037accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (isPrimitive()) { 3047accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller return toString(); 3057accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } else { 3067accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller StringBuilder sb = new StringBuilder(); 3077accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 3087accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // Class modifiers are a superset of interface modifiers 3097accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller int modifiers = getModifiers() & Modifier.classModifiers(); 3107accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (modifiers != 0) { 3117accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller sb.append(Modifier.toString(modifiers)); 3127accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller sb.append(' '); 3137accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } 3147accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 3157accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (isAnnotation()) { 3167accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller sb.append('@'); 3177accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } 3187accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (isInterface()) { // Note: all annotation types are interfaces 3197accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller sb.append("interface"); 3207accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } else { 3217accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (isEnum()) 3227accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller sb.append("enum"); 3237accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller else 3247accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller sb.append("class"); 3257accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } 3267accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller sb.append(' '); 3277accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller sb.append(getName()); 3287accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 3297accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller TypeVariable<?>[] typeparms = getTypeParameters(); 3307accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (typeparms.length > 0) { 3317accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller boolean first = true; 3327accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller sb.append('<'); 3337accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller for(TypeVariable<?> typeparm: typeparms) { 3347accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (!first) 3357accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller sb.append(','); 3367accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller sb.append(typeparm.getTypeName()); 3377accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller first = false; 3387accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } 3397accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller sb.append('>'); 3407accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } 3417accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 3427accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller return sb.toString(); 3437accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } 3447accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } 34551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 34651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 34751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the {@code Class} object associated with the class or 34851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * interface with the given string name. Invoking this method is 34951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * equivalent to: 35051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 35151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <blockquote> 35251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class.forName(className, true, currentLoader)} 35351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </blockquote> 35451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 35551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * where {@code currentLoader} denotes the defining class loader of 35651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the current class. 35751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 35851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> For example, the following code fragment returns the 35951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * runtime {@code Class} descriptor for the class named 36051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code java.lang.Thread}: 36151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 36251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <blockquote> 36351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class t = Class.forName("java.lang.Thread")} 36451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </blockquote> 36551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> 36651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * A call to {@code forName("X")} causes the class named 36751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code X} to be initialized. 36851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 36951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param className the fully qualified name of the desired class. 37051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the {@code Class} object for the class with the 37151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * specified name. 37251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @exception LinkageError if the linkage fails 37351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @exception ExceptionInInitializerError if the initialization provoked 37451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by this method fails 37551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @exception ClassNotFoundException if the class cannot be located 37651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 37751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski @CallerSensitive 37851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public static Class<?> forName(String className) 37951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws ClassNotFoundException { 380a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return forName(className, true, VMStack.getCallingClassLoader()); 38151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 38251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 38351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 38451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 38551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the {@code Class} object associated with the class or 38651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * interface with the given string name, using the given class loader. 38751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Given the fully qualified name for a class or interface (in the same 38851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * format returned by {@code getName}) this method attempts to 38951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * locate, load, and link the class or interface. The specified class 39051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * loader is used to load the class or interface. If the parameter 39151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code loader} is null, the class is loaded through the bootstrap 39251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class loader. The class is initialized only if the 39351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code initialize} parameter is {@code true} and if it has 39451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * not been initialized earlier. 39551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 39651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If {@code name} denotes a primitive type or void, an attempt 39751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * will be made to locate a user-defined class in the unnamed package whose 39851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * name is {@code name}. Therefore, this method cannot be used to 39951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * obtain any of the {@code Class} objects representing primitive 40051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * types or void. 40151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 40251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If {@code name} denotes an array class, the component type of 40351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the array class is loaded but not initialized. 40451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 40551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> For example, in an instance method the expression: 40651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 40751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <blockquote> 40851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class.forName("Foo")} 40951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </blockquote> 41051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 41151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is equivalent to: 41251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 41351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <blockquote> 41451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class.forName("Foo", true, this.getClass().getClassLoader())} 41551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </blockquote> 41651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 41751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Note that this method throws errors related to loading, linking or 41851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * initializing as specified in Sections 12.2, 12.3 and 12.4 of <em>The 41951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Java Language Specification</em>. 42051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Note that this method does not check whether the requested class 42151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is accessible to its caller. 42251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 42351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If the {@code loader} is {@code null}, and a security 42451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * manager is present, and the caller's class loader is not null, then this 42551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * method calls the security manager's {@code checkPermission} method 42651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * with a {@code RuntimePermission("getClassLoader")} permission to 42751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ensure it's ok to access the bootstrap class loader. 42851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 42951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param name fully qualified name of the desired class 4307accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @param initialize if {@code true} the class will be initialized. 4317accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * See Section 12.4 of <em>The Java Language Specification</em>. 43251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param loader class loader from which the class must be loaded 43351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return class object representing the desired class 43451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 43551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @exception LinkageError if the linkage fails 43651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @exception ExceptionInInitializerError if the initialization provoked 43751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by this method fails 43851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @exception ClassNotFoundException if the class cannot be located by 43951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the specified class loader 44051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 44151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.Class#forName(String) 44251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.ClassLoader 44351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.2 44451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 44551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski @CallerSensitive 44651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public static Class<?> forName(String name, boolean initialize, 44751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ClassLoader loader) 44851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws ClassNotFoundException 44951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 45051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (loader == null) { 451bac8ef10e8a32316e4eedc6163dd3776cf5e5d7eNarayan Kamath loader = BootClassLoader.getInstance(); 452a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 453a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Class<?> result; 454a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski try { 455a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski result = classForName(name, initialize, loader); 456a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } catch (ClassNotFoundException e) { 457a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Throwable cause = e.getCause(); 458a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (cause instanceof LinkageError) { 459a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski throw (LinkageError) cause; 46051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 461a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski throw e; 46251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 463a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return result; 46451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 46551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 46651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** Called after security checks have been made. */ 467a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski static native Class<?> classForName(String className, boolean shouldInitialize, 468a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski ClassLoader classLoader) throws ClassNotFoundException; 46951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 47051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 47151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Creates a new instance of the class represented by this {@code Class} 47251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * object. The class is instantiated as if by a {@code new} 47351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * expression with an empty argument list. The class is initialized if it 47451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * has not already been initialized. 47551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 47651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p>Note that this method propagates any exception thrown by the 47751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * nullary constructor, including a checked exception. Use of 47851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this method effectively bypasses the compile-time exception 47951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * checking that would otherwise be performed by the compiler. 48051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * The {@link 48151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * java.lang.reflect.Constructor#newInstance(java.lang.Object...) 48251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Constructor.newInstance} method avoids this problem by wrapping 48351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * any exception thrown by the constructor in a (checked) {@link 48451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * java.lang.reflect.InvocationTargetException}. 48551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 4867accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @return a newly allocated instance of the class represented by this 4877accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * object. 4887accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws IllegalAccessException if the class or its nullary 4897accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * constructor is not accessible. 4907accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws InstantiationException 4917accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * if this {@code Class} represents an abstract class, 4927accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * an interface, an array class, a primitive type, or void; 4937accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * or if the class has no nullary constructor; 4947accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * or if the instantiation fails for some other reason. 4957accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws ExceptionInInitializerError if the initialization 4967accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * provoked by this method fails. 4977accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 4987accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and 4997accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * the caller's class loader is not the same as or an 5007accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 5017accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 5027accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 5037accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class. 50451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 5051ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath public native T newInstance() throws InstantiationException, IllegalAccessException; 50651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 50751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 50851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Determines if the specified {@code Object} is assignment-compatible 50951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * with the object represented by this {@code Class}. This method is 51051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the dynamic equivalent of the Java language {@code instanceof} 51151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * operator. The method returns {@code true} if the specified 51251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Object} argument is non-null and can be cast to the 51351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * reference type represented by this {@code Class} object without 51451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * raising a {@code ClassCastException.} It returns {@code false} 51551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * otherwise. 51651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 51751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> Specifically, if this {@code Class} object represents a 51851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * declared class, this method returns {@code true} if the specified 51951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Object} argument is an instance of the represented class (or 52051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * of any of its subclasses); it returns {@code false} otherwise. If 52151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this {@code Class} object represents an array class, this method 52251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns {@code true} if the specified {@code Object} argument 52351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * can be converted to an object of the array class by an identity 52451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * conversion or by a widening reference conversion; it returns 52551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code false} otherwise. If this {@code Class} object 52651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represents an interface, this method returns {@code true} if the 52751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class or any superclass of the specified {@code Object} argument 52851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * implements this interface; it returns {@code false} otherwise. If 52951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this {@code Class} object represents a primitive type, this method 53051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns {@code false}. 53151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 5327accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @param obj the object to check 53351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return true if {@code obj} is an instance of this class 53451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 53551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 53651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 5377accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller public boolean isInstance(Object obj) { 5387accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (obj == null) { 539a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return false; 540a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 5417accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller return isAssignableFrom(obj.getClass()); 542a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 54351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 54451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 54551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 54651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Determines if the class or interface represented by this 54751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} object is either the same as, or is a superclass or 54851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * superinterface of, the class or interface represented by the specified 54951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} parameter. It returns {@code true} if so; 55051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * otherwise it returns {@code false}. If this {@code Class} 55151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * object represents a primitive type, this method returns 55251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code true} if the specified {@code Class} parameter is 55351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * exactly this {@code Class} object; otherwise it returns 55451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code false}. 55551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 55651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> Specifically, this method tests whether the type represented by the 55751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * specified {@code Class} parameter can be converted to the type 55851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represented by this {@code Class} object via an identity conversion 55951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or via a widening reference conversion. See <em>The Java Language 56051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Specification</em>, sections 5.1.1 and 5.1.4 , for details. 56151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 5627accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @param cls the {@code Class} object to be checked 56351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the {@code boolean} value indicating whether objects of the 56451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * type {@code cls} can be assigned to objects of this class 56551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @exception NullPointerException if the specified Class parameter is 56651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * null. 56751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 56851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 5697accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller public boolean isAssignableFrom(Class<?> cls) { 5707accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (this == cls) { 571a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return true; // Can always assign to things of the same type. 572a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } else if (this == Object.class) { 5737accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller return !cls.isPrimitive(); // Can assign any reference to java.lang.Object. 574a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } else if (isArray()) { 5757accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller return cls.isArray() && componentType.isAssignableFrom(cls.componentType); 576a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } else if (isInterface()) { 577a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // Search iftable which has a flattened and uniqued list of interfaces. 5787accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller Object[] iftable = cls.ifTable; 579a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (iftable != null) { 580a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski for (int i = 0; i < iftable.length; i += 2) { 5811ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath if (iftable[i] == this) { 582a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return true; 583a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 584a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 585a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 586a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return false; 587a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } else { 5887accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (!cls.isInterface()) { 5897accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller for (cls = cls.superClass; cls != null; cls = cls.superClass) { 5907accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (cls == this) { 591a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return true; 592a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 593a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 594a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 595a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return false; 596a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 597a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 59851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 59951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 60051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Determines if the specified {@code Class} object represents an 60151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * interface type. 60251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 60351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return {@code true} if this object represents an interface; 60451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code false} otherwise. 60551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 606a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public boolean isInterface() { 607a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return (accessFlags & Modifier.INTERFACE) != 0; 608a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 60951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 61051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 61151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Determines if this {@code Class} object represents an array class. 61251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 61351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return {@code true} if this object represents an array class; 61451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code false} otherwise. 61551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 61651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 617a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public boolean isArray() { 618a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return getComponentType() != null; 619a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 62051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 62151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 62251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Determines if the specified {@code Class} object represents a 62351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * primitive type. 62451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 62551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> There are nine predefined {@code Class} objects to represent 62651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the eight primitive types and void. These are created by the Java 62751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Virtual Machine, and have the same names as the primitive types that 62851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * they represent, namely {@code boolean}, {@code byte}, 62951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code char}, {@code short}, {@code int}, 63051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code long}, {@code float}, and {@code double}. 63151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 63251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> These objects may only be accessed via the following public static 63351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * final variables, and are the only {@code Class} objects for which 63451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this method returns {@code true}. 63551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 63651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return true if and only if this class represents a primitive type 63751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 63851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.Boolean#TYPE 63951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.Character#TYPE 64051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.Byte#TYPE 64151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.Short#TYPE 64251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.Integer#TYPE 64351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.Long#TYPE 64451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.Float#TYPE 64551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.Double#TYPE 64651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.Void#TYPE 64751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 64851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 649a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public boolean isPrimitive() { 6501ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath return (primitiveType & 0xFFFF) != 0; 651a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 65251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 65351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 6542ebb445676e3f0170930e5c47e7a86d20332e5a8Yi Kong * Indicates whether this {@code Class} or its parents override finalize. 6552ebb445676e3f0170930e5c47e7a86d20332e5a8Yi Kong * 6562ebb445676e3f0170930e5c47e7a86d20332e5a8Yi Kong * @return {@code true} if and if this class or its parents override 6572ebb445676e3f0170930e5c47e7a86d20332e5a8Yi Kong * finalize; 6582ebb445676e3f0170930e5c47e7a86d20332e5a8Yi Kong * 6592ebb445676e3f0170930e5c47e7a86d20332e5a8Yi Kong * @hide 6602ebb445676e3f0170930e5c47e7a86d20332e5a8Yi Kong */ 6612ebb445676e3f0170930e5c47e7a86d20332e5a8Yi Kong public boolean isFinalizable() { 6622ebb445676e3f0170930e5c47e7a86d20332e5a8Yi Kong return (getModifiers() & FINALIZABLE) != 0; 6632ebb445676e3f0170930e5c47e7a86d20332e5a8Yi Kong } 6642ebb445676e3f0170930e5c47e7a86d20332e5a8Yi Kong 6652ebb445676e3f0170930e5c47e7a86d20332e5a8Yi Kong /** 66651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if this {@code Class} object represents an annotation 66751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * type. Note that if this method returns true, {@link #isInterface()} 66851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * would also return true, as all annotation types are also interfaces. 66951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 67051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return {@code true} if this class object represents an annotation 67151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * type; {@code false} otherwise 67251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 67351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 67451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public boolean isAnnotation() { 67551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (getModifiers() & ANNOTATION) != 0; 67651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 67751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 67851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 67951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns {@code true} if this class is a synthetic class; 68051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns {@code false} otherwise. 68151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return {@code true} if and only if this class is a synthetic class as 68251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * defined by the Java Language Specification. 6837accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 13.1 The Form of a Binary 68451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 68551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 68651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public boolean isSynthetic() { 68751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (getModifiers() & SYNTHETIC) != 0; 68851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 68951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 69051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 69151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the name of the entity (class, interface, array class, 69251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * primitive type, or void) represented by this {@code Class} object, 69351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * as a {@code String}. 69451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 69551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If this class object represents a reference type that is not an 69651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * array type then the binary name of the class is returned, as specified 69751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by 69851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <cite>The Java™ Language Specification</cite>. 69951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 70051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If this class object represents a primitive type or void, then the 70151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * name returned is a {@code String} equal to the Java language 70251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * keyword corresponding to the primitive type or void. 70351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 70451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If this class object represents a class of arrays, then the internal 70551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * form of the name consists of the name of the element type preceded by 70651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * one or more '{@code [}' characters representing the depth of the array 70751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * nesting. The encoding of element type names is as follows: 70851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 70951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <blockquote><table summary="Element types and encodings"> 71051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <tr><th> Element Type <th> <th> Encoding 71151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <tr><td> boolean <td> <td align=center> Z 71251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <tr><td> byte <td> <td align=center> B 71351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <tr><td> char <td> <td align=center> C 71451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <tr><td> class or interface 71551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <td> <td align=center> L<i>classname</i>; 71651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <tr><td> double <td> <td align=center> D 71751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <tr><td> float <td> <td align=center> F 71851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <tr><td> int <td> <td align=center> I 71951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <tr><td> long <td> <td align=center> J 72051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <tr><td> short <td> <td align=center> S 72151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </table></blockquote> 72251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 72351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> The class or interface name <i>classname</i> is the binary name of 72451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the class specified above. 72551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 72651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> Examples: 72751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <blockquote><pre> 72851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * String.class.getName() 72951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns "java.lang.String" 73051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * byte.class.getName() 73151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns "byte" 73251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * (new Object[3]).getClass().getName() 73351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns "[Ljava.lang.Object;" 73451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * (new int[3][4][5][6][7][8][9]).getClass().getName() 73551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns "[[[[[[[I" 73651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </pre></blockquote> 73751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 73851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the name of the class or interface 73951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represented by this object. 74051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 74151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public String getName() { 74251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String name = this.name; 74351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (name == null) 744a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski this.name = name = getNameNative(); 74551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return name; 74651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 74751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 748a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski private native String getNameNative(); 74951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 75051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 75151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the class loader for the class. Some implementations may use 75251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * null to represent the bootstrap class loader. This method will return 75351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * null in such implementations if this class was loaded by the bootstrap 75451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class loader. 75551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 75651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If a security manager is present, and the caller's class loader is 75751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * not null and the caller's class loader is not the same as or an ancestor of 75851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the class loader for the class whose class loader is requested, then 75951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this method calls the security manager's {@code checkPermission} 76051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * method with a {@code RuntimePermission("getClassLoader")} 76151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * permission to ensure it's ok to access the class loader for the class. 76251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 76351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p>If this object 76451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represents a primitive type or void, null is returned. 76551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 76651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the class loader that loaded the class or interface 76751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represented by this object. 76851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws SecurityException 76951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * if a security manager exists and its 77051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code checkPermission} method denies 77151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * access to the class loader for the class. 77251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.ClassLoader 77351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see SecurityManager#checkPermission 77451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.RuntimePermission 77551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 77651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public ClassLoader getClassLoader() { 777a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (isPrimitive()) { 77851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 77951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 780a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return (classLoader == null) ? BootClassLoader.getInstance() : classLoader; 78151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 78251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 78351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 78451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns an array of {@code TypeVariable} objects that represent the 78551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * type variables declared by the generic declaration represented by this 78651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code GenericDeclaration} object, in declaration order. Returns an 78751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * array of length 0 if the underlying generic declaration declares no type 78851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * variables. 78951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 79051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return an array of {@code TypeVariable} objects that represent 79151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the type variables declared by this generic declaration 79251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws java.lang.reflect.GenericSignatureFormatError if the generic 79351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * signature of this generic declaration does not conform to 79451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the format specified in 79551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <cite>The Java™ Virtual Machine Specification</cite> 79651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 79751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 7987accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller @Override 7997accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller public synchronized TypeVariable<Class<T>>[] getTypeParameters() { 800d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao String annotationSignature = getSignatureAttribute(); 801a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (annotationSignature == null) { 802a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return EmptyArray.TYPE_VARIABLE; 803a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 804a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski GenericSignatureParser parser = new GenericSignatureParser(getClassLoader()); 805a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski parser.parseForClass(this, annotationSignature); 806a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return parser.formalTypeParameters; 80751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 80851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 8097accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 81051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 81151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the {@code Class} representing the superclass of the entity 81251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * (class, interface, primitive type or void) represented by this 81351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class}. If this {@code Class} represents either the 81451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Object} class, an interface, a primitive type, or void, then 81551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * null is returned. If this object represents an array class then the 81651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} object representing the {@code Object} class is 81751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returned. 81851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 81951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the superclass of the class represented by this object. 82051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 821a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public Class<? super T> getSuperclass() { 822a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // For interfaces superClass is Object (which agrees with the JNI spec) 823a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // but not with the expected behavior here. 824a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (isInterface()) { 825a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return null; 826a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } else { 827a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return superClass; 828a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 829a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 83051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 83151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 83251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the {@code Type} representing the direct superclass of 83351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the entity (class, interface, primitive type or void) represented by 83451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this {@code Class}. 83551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 83651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p>If the superclass is a parameterized type, the {@code Type} 83751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * object returned must accurately reflect the actual type 83851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * parameters used in the source code. The parameterized type 83951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * representing the superclass is created if it had not been 84051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * created before. See the declaration of {@link 84151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * java.lang.reflect.ParameterizedType ParameterizedType} for the 84251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * semantics of the creation process for parameterized types. If 84351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this {@code Class} represents either the {@code Object} 84451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class, an interface, a primitive type, or void, then null is 84551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returned. If this object represents an array class then the 84651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} object representing the {@code Object} class is 84751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returned. 84851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 84951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws java.lang.reflect.GenericSignatureFormatError if the generic 85051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class signature does not conform to the format specified in 85151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <cite>The Java™ Virtual Machine Specification</cite> 85251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws TypeNotPresentException if the generic superclass 85351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * refers to a non-existent type declaration 85451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws java.lang.reflect.MalformedParameterizedTypeException if the 85551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * generic superclass refers to a parameterized type that cannot be 85651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * instantiated for any reason 85751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the superclass of the class represented by this object 85851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 85951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 86051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Type getGenericSuperclass() { 861a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Type genericSuperclass = getSuperclass(); 862a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // This method is specified to return null for all cases where getSuperclass 863a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // returns null, i.e, for primitives, interfaces, void and java.lang.Object. 864a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (genericSuperclass == null) { 865a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return null; 866a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 867a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 868d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao String annotationSignature = getSignatureAttribute(); 869a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (annotationSignature != null) { 870a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski GenericSignatureParser parser = new GenericSignatureParser(getClassLoader()); 871a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski parser.parseForClass(this, annotationSignature); 872a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski genericSuperclass = parser.superclassType; 873a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 874a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return Types.getType(genericSuperclass); 87551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 87651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 87751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 87851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Gets the package for this class. The class loader of this class is used 87951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * to find the package. If the class was loaded by the bootstrap class 88051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * loader the set of packages loaded from CLASSPATH is searched to find the 88151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * package of the class. Null is returned if no package object was created 88251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by the class loader of this class. 88351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 88451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> Packages have attributes for versions and specifications only if the 88551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * information was defined in the manifests that accompany the classes, and 88651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * if the class loader created the package instance with the attributes 88751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * from the manifest. 88851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 88951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the package of the class, or null if no package 89051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * information is available from the archive or codebase. 89151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 89251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Package getPackage() { 893a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski ClassLoader loader = getClassLoader(); 894a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (loader != null) { 895a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski String packageName = getPackageName$(); 896a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return packageName != null ? loader.getPackage(packageName) : null; 897a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 898a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return null; 899a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 900a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 901a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski /** 902a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * Returns the package name of this class. This returns null for classes in 903a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * the default package. 904a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * 905a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * @hide 906a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski */ 907a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public String getPackageName$() { 908a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski String name = getName(); 909a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski int last = name.lastIndexOf('.'); 910a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return last == -1 ? null : name.substring(0, last); 91151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 91251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 91351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 91451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 91551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Determines the interfaces implemented by the class or interface 91651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represented by this object. 91751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 91851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If this object represents a class, the return value is an array 91951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * containing objects representing all interfaces implemented by the 92051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class. The order of the interface objects in the array corresponds to 92151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the order of the interface names in the {@code implements} clause 92251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * of the declaration of the class represented by this object. For 92351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * example, given the declaration: 92451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <blockquote> 92551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code class Shimmer implements FloorWax, DessertTopping { ... }} 92651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </blockquote> 92751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * suppose the value of {@code s} is an instance of 92851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Shimmer}; the value of the expression: 92951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <blockquote> 93051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code s.getClass().getInterfaces()[0]} 93151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </blockquote> 93251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is the {@code Class} object that represents interface 93351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code FloorWax}; and the value of: 93451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <blockquote> 93551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code s.getClass().getInterfaces()[1]} 93651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </blockquote> 93751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is the {@code Class} object that represents interface 93851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code DessertTopping}. 93951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 94051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If this object represents an interface, the array contains objects 94151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * representing all interfaces extended by the interface. The order of the 94251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * interface objects in the array corresponds to the order of the interface 94351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * names in the {@code extends} clause of the declaration of the 94451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * interface represented by this object. 94551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 94651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If this object represents a class or interface that implements no 94751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * interfaces, the method returns an array of length 0. 94851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 94951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If this object represents a primitive type or void, the method 95051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns an array of length 0. 95151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 9527accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents an array type, the 9537accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * interfaces {@code Cloneable} and {@code java.io.Serializable} are 9547accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * returned in that order. 9557accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 95651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return an array of interfaces implemented by this class. 95751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 958a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public Class<?>[] getInterfaces() { 959a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (isArray()) { 960a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return new Class<?>[] { Cloneable.class, Serializable.class }; 961a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } else if (isProxy()) { 962a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return getProxyInterfaces(); 963a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 964a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Dex dex = getDex(); 965a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (dex == null) { 966a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return EmptyArray.CLASS; 967a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 968a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski short[] interfaces = dex.interfaceTypeIndicesFromClassDefIndex(dexClassDefIndex); 969a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Class<?>[] result = new Class<?>[interfaces.length]; 970a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski for (int i = 0; i < interfaces.length; i++) { 971a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski result[i] = getDexCacheType(dex, interfaces[i]); 972a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 973a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return result; 974a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 975a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 976a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // Returns the interfaces that this proxy class directly implements. 977a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski private native Class<?>[] getProxyInterfaces(); 97851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 97951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 98051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the {@code Type}s representing the interfaces 98151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * directly implemented by the class or interface represented by 98251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this object. 98351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 98451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p>If a superinterface is a parameterized type, the 98551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Type} object returned for it must accurately reflect 98651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the actual type parameters used in the source code. The 98751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * parameterized type representing each superinterface is created 98851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * if it had not been created before. See the declaration of 98951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@link java.lang.reflect.ParameterizedType ParameterizedType} 99051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * for the semantics of the creation process for parameterized 99151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * types. 99251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 99351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If this object represents a class, the return value is an 99451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * array containing objects representing all interfaces 99551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * implemented by the class. The order of the interface objects in 99651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the array corresponds to the order of the interface names in 99751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the {@code implements} clause of the declaration of the class 99851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represented by this object. In the case of an array class, the 99951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * interfaces {@code Cloneable} and {@code Serializable} are 100051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returned in that order. 100151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 100251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p>If this object represents an interface, the array contains 100351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * objects representing all interfaces directly extended by the 100451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * interface. The order of the interface objects in the array 100551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * corresponds to the order of the interface names in the 100651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code extends} clause of the declaration of the interface 100751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represented by this object. 100851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 100951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p>If this object represents a class or interface that 101051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * implements no interfaces, the method returns an array of length 101151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 0. 101251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 101351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p>If this object represents a primitive type or void, the 101451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * method returns an array of length 0. 101551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 101651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws java.lang.reflect.GenericSignatureFormatError 101751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * if the generic class signature does not conform to the format 101851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * specified in 101951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <cite>The Java™ Virtual Machine Specification</cite> 102051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws TypeNotPresentException if any of the generic 102151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * superinterfaces refers to a non-existent type declaration 102251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws java.lang.reflect.MalformedParameterizedTypeException 102351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * if any of the generic superinterfaces refer to a parameterized 102451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * type that cannot be instantiated for any reason 102551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return an array of interfaces implemented by this class 102651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 102751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 102851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Type[] getGenericInterfaces() { 1029a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Type[] result; 1030a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski synchronized (Caches.genericInterfaces) { 1031a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski result = Caches.genericInterfaces.get(this); 1032a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (result == null) { 1033d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao String annotationSignature = getSignatureAttribute(); 1034a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (annotationSignature == null) { 1035a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski result = getInterfaces(); 1036a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } else { 1037a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski GenericSignatureParser parser = new GenericSignatureParser(getClassLoader()); 1038a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski parser.parseForClass(this, annotationSignature); 1039a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski result = Types.getTypeArray(parser.interfaceTypes, false); 1040a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1041a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Caches.genericInterfaces.put(this, result); 1042a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1043a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1044a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return (result.length == 0) ? result : result.clone(); 104551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 104651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 104751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 104851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 104951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the {@code Class} representing the component type of an 105051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * array. If this class does not represent an array class this method 105151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns null. 105251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 105351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the {@code Class} representing the component type of this 105451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class if this class is an array 105551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.reflect.Array 105651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 105751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 1058a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public Class<?> getComponentType() { 1059a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return componentType; 1060a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 106151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 106251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 106351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the Java language modifiers for this class or interface, encoded 106451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * in an integer. The modifiers consist of the Java Virtual Machine's 106551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * constants for {@code public}, {@code protected}, 106651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code private}, {@code final}, {@code static}, 106751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code abstract} and {@code interface}; they should be decoded 106851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * using the methods of class {@code Modifier}. 106951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 107051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> If the underlying class is an array class, then its 107151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code public}, {@code private} and {@code protected} 107251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * modifiers are the same as those of its component type. If this 107351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} represents a primitive type or void, its 107451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code public} modifier is always {@code true}, and its 107551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code protected} and {@code private} modifiers are always 107651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code false}. If this object represents an array class, a 107751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * primitive type or void, then its {@code final} modifier is always 107851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code true} and its interface modifier is always 107951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code false}. The values of its other modifiers are not determined 108051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by this specification. 108151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 108251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> The modifier encodings are defined in <em>The Java Virtual Machine 108351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Specification</em>, table 4.1. 108451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 108551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the {@code int} representing the modifiers for this class 108651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.reflect.Modifier 108751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 108851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 1089a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public int getModifiers() { 1090a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // Array classes inherit modifiers from their component types, but in the case of arrays 1091a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // of an inner class, the class file may contain "fake" access flags because it's not valid 1092a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // for a top-level class to private, say. The real access flags are stored in the InnerClass 1093a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // attribute, so we need to make sure we drill down to the inner class: the accessFlags 1094a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // field is not the value we want to return, and the synthesized array class does not itself 1095a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // have an InnerClass attribute. https://code.google.com/p/android/issues/detail?id=56267 1096a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (isArray()) { 1097a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski int componentModifiers = getComponentType().getModifiers(); 1098a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if ((componentModifiers & Modifier.INTERFACE) != 0) { 1099a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski componentModifiers &= ~(Modifier.INTERFACE | Modifier.STATIC); 1100a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1101a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return Modifier.ABSTRACT | Modifier.FINAL | componentModifiers; 1102a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1103a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski int JAVA_FLAGS_MASK = 0xffff; 1104d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao int modifiers = this.getInnerClassFlags(accessFlags & JAVA_FLAGS_MASK); 1105a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return modifiers & JAVA_FLAGS_MASK; 1106a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 110751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 110851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 110951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Gets the signers of this class. 111051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 111151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the signers of this class, or null if there are no signers. In 111251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * particular, this method returns null if this object represents 111351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * a primitive type or void. 111451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 111551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 1116a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public Object[] getSigners() { 1117a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return null; 1118a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 111951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 112070b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak private native Method getEnclosingMethodNative(); 112151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 112251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 112351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * If this {@code Class} object represents a local or anonymous 112451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class within a method, returns a {@link 112551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * java.lang.reflect.Method Method} object representing the 112651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * immediately enclosing method of the underlying class. Returns 112751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code null} otherwise. 112851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 112951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * In particular, this method returns {@code null} if the underlying 113051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class is a local or anonymous class immediately enclosed by a type 113151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * declaration, instance initializer or static initializer. 113251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 113351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the immediately enclosing method of the underlying class, if 113451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * that class is a local or anonymous class; otherwise {@code null}. 113551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 113651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 11377accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // ANDROID-CHANGED: Removed SecurityException 113851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Method getEnclosingMethod() { 1139a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (classNameImpliesTopLevel()) { 114051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 114151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 114270b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak return getEnclosingMethodNative(); 114351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 114451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 114551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 114651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * If this {@code Class} object represents a local or anonymous 114751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class within a constructor, returns a {@link 114851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * java.lang.reflect.Constructor Constructor} object representing 114951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the immediately enclosing constructor of the underlying 115051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class. Returns {@code null} otherwise. In particular, this 115151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * method returns {@code null} if the underlying class is a local 115251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or anonymous class immediately enclosed by a type declaration, 115351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * instance initializer or static initializer. 115451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 115551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the immediately enclosing constructor of the underlying class, if 115651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * that class is a local or anonymous class; otherwise {@code null}. 115751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 115851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 11597accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // ANDROID-CHANGED: Removed SecurityException 116051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Constructor<?> getEnclosingConstructor() { 1161a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (classNameImpliesTopLevel()) { 116251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 116351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 116470b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak return getEnclosingConstructorNative(); 1165a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1166a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 116770b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak private native Constructor<?> getEnclosingConstructorNative(); 116870b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak 1169a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski private boolean classNameImpliesTopLevel() { 1170a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return !getName().contains("$"); 117151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 117251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 11737accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 117451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 117551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * If the class or interface represented by this {@code Class} object 117651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is a member of another class, returns the {@code Class} object 117751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * representing the class in which it was declared. This method returns 117851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * null if this class or interface is not a member of any other class. If 117951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this {@code Class} object represents an array class, a primitive 118051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * type, or void,then this method returns null. 118151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 118251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the declaring class for this class 118351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 118451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 11857accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // ANDROID-CHANGED: Removed SecurityException 118670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak public native Class<?> getDeclaringClass(); 118751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 118851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 118951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the immediately enclosing class of the underlying 119051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class. If the underlying class is a top level class this 119151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * method returns {@code null}. 119251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the immediately enclosing class of the underlying class 119351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 119451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 11957accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // ANDROID-CHANGED: Removed SecurityException 119670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak public native Class<?> getEnclosingClass(); 119751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 119851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 119951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the simple name of the underlying class as given in the 120051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * source code. Returns an empty string if the underlying class is 120151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * anonymous. 120251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 120351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p>The simple name of an array is the simple name of the 120451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * component type with "[]" appended. In particular the simple 120551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * name of an array whose component type is anonymous is "[]". 120651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 120751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the simple name of the underlying class 120851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 120951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 121051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public String getSimpleName() { 121151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (isArray()) 121251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return getComponentType().getSimpleName()+"[]"; 121351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 121492d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath if (isAnonymousClass()) { 121592d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath return ""; 121692d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath } 121792d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath 121892d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath if (isMemberClass() || isLocalClass()) { 121992d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath // Note that we obtain this information from getInnerClassName(), which uses 122092d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath // dex system annotations to obtain the name. It is possible for this information 122192d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath // to disagree with the actual enclosing class name. For example, if dex 122292d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath // manipulation tools have renamed the enclosing class without adjusting 122392d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath // the system annotation to match. See http://b/28800927. 122492d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath return getInnerClassName(); 122592d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath } 122692d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath 122792d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath String simpleName = getName(); 122892d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath final int dot = simpleName.lastIndexOf("."); 122992d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath if (dot > 0) { 123051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return simpleName.substring(simpleName.lastIndexOf(".")+1); // strip the package name 123151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 123251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 123392d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath return simpleName; 123451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 123551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 123620938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller /** 123720938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller * Return an informative string for the name of this type. 123820938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller * 123920938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller * @return an informative string for the name of this type 124020938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller * @since 1.8 124120938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller */ 124220938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller public String getTypeName() { 124320938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller if (isArray()) { 124420938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller try { 124520938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller Class<?> cl = this; 124620938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller int dimensions = 0; 124720938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller while (cl.isArray()) { 124820938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller dimensions++; 124920938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller cl = cl.getComponentType(); 125020938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller } 125120938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller StringBuilder sb = new StringBuilder(); 125220938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller sb.append(cl.getName()); 125320938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller for (int i = 0; i < dimensions; i++) { 125420938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller sb.append("[]"); 125520938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller } 125620938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller return sb.toString(); 125720938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller } catch (Throwable e) { /*FALLTHRU*/ } 125820938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller } 125920938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller return getName(); 126020938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller } 126120938c5ed2bc8f5de8047a47caddb146f730868fNeil Fuller 126251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 126351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the canonical name of the underlying class as 126451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * defined by the Java Language Specification. Returns null if 126551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the underlying class does not have a canonical name (i.e., if 126651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * it is a local or anonymous class or an array whose component 126751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * type does not have a canonical name). 126851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the canonical name of the underlying class if it exists, and 126951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code null} otherwise. 127051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 127151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 127251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public String getCanonicalName() { 127351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (isArray()) { 127451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String canonicalName = getComponentType().getCanonicalName(); 127551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (canonicalName != null) 127651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return canonicalName + "[]"; 127751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski else 127851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 127951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 128051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (isLocalOrAnonymousClass()) 128151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 128251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> enclosingClass = getEnclosingClass(); 128351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (enclosingClass == null) { // top level class 128451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return getName(); 128551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 128651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String enclosingName = enclosingClass.getCanonicalName(); 128751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (enclosingName == null) 128851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 128951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return enclosingName + "." + getSimpleName(); 129051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 129151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 129251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 129351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 129451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns {@code true} if and only if the underlying class 129551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is an anonymous class. 129651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 129751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return {@code true} if and only if this class is an anonymous class. 129851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 129951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 130070b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak public native boolean isAnonymousClass(); 130151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 130251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 130351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns {@code true} if and only if the underlying class 130451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is a local class. 130551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 130651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return {@code true} if and only if this class is a local class. 130751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 130851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 130951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public boolean isLocalClass() { 1310d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao return (getEnclosingMethod() != null || getEnclosingConstructor() != null) 1311a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski && !isAnonymousClass(); 131251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 131351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 131451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 131551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns {@code true} if and only if the underlying class 131651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is a member class. 131751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 131851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return {@code true} if and only if this class is a member class. 131951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 132051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 132151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public boolean isMemberClass() { 132292d7211db6d0d1afd981f8e4a51857c88cee0e03Narayan Kamath return getDeclaringClass() != null; 132351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 132451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 132551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 132651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns {@code true} if this is a local class or an anonymous 132751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class. Returns {@code false} otherwise. 132851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 132951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private boolean isLocalOrAnonymousClass() { 133051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // JVM Spec 4.8.6: A class must have an EnclosingMethod 133151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // attribute if and only if it is a local class or an 133251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // anonymous class. 1333a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return isLocalClass() || isAnonymousClass(); 133451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 133551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 133651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 133751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns an array containing {@code Class} objects representing all 133851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the public classes and interfaces that are members of the class 133951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represented by this {@code Class} object. This includes public 134051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class and interface members inherited from superclasses and public class 134151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * and interface members declared by the class. This method returns an 134251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * array of length 0 if this {@code Class} object has no public member 134351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * classes or interfaces. This method also returns an array of length 0 if 134451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this {@code Class} object represents a primitive type, an array 134551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class, or void. 134651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 134751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the array of {@code Class} objects representing the public 13487accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * members of this class 134951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 135051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 135151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 135251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski @CallerSensitive 135351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Class<?>[] getClasses() { 13541ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath List<Class<?>> result = new ArrayList<Class<?>>(); 13551ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath for (Class<?> c = this; c != null; c = c.superClass) { 13561ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath for (Class<?> member : c.getDeclaredClasses()) { 13571ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath if (Modifier.isPublic(member.getModifiers())) { 13581ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath result.add(member); 13591ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath } 13601ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath } 13611ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath } 13621ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath return result.toArray(new Class[result.size()]); 136351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 136451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 136551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 136651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 136751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns an array containing {@code Field} objects reflecting all 136851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the accessible public fields of the class or interface represented by 13697accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * this {@code Class} object. 137051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 13717accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents a class or interface with no 13727accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * no accessible public fields, then this method returns an array of length 13737accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 0. 137451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 13757accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents a class, then this method 13767accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * returns the public fields of the class and of all its superclasses. 137751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 13787accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents an interface, then this 13797accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * method returns the fields of the interface and of all its 13807accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * superinterfaces. 138151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 13827accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents an array type, a primitive 13837accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * type, or void, then this method returns an array of length 0. 138451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 13857accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> The elements in the returned array are not sorted and are not in any 13867accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * particular order. 138751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 13887accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @return the array of {@code Field} objects representing the 13897accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * public fields 13907accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 13917accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and 13927accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * the caller's class loader is not the same as or an 13937accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 13947accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 13957accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 13967accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class. 139751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 139851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 13997accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.2 Class Members 14007accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.3 Field Declarations 140151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 140251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski @CallerSensitive 140351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Field[] getFields() throws SecurityException { 1404a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski List<Field> fields = new ArrayList<Field>(); 14051ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath getPublicFieldsRecursive(fields); 14061ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath return fields.toArray(new Field[fields.size()]); 14071ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath } 14081ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 14091ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 14101ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Populates {@code result} with public fields defined by this class, its 14111ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * superclasses, and all implemented interfaces. 14121ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 14131ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private void getPublicFieldsRecursive(List<Field> result) { 1414a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // search superclasses 1415a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski for (Class<?> c = this; c != null; c = c.superClass) { 14161ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath Collections.addAll(result, c.getPublicDeclaredFields()); 1417a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1418a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 1419a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // search iftable which has a flattened and uniqued list of interfaces 1420a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Object[] iftable = ifTable; 1421a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (iftable != null) { 1422a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski for (int i = 0; i < iftable.length; i += 2) { 14231ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath Collections.addAll(result, ((Class<?>) iftable[i]).getPublicDeclaredFields()); 1424a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1425a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 142651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 142751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 142851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 14297accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * Returns an array containing {@code Method} objects reflecting all the 14307accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * public methods of the class or interface represented by this {@code 14317accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * Class} object, including those declared by the class or interface and 14327accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * those inherited from superclasses and superinterfaces. 143351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 14347accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents a type that has multiple 14357accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * public methods with the same name and parameter types, but different 14367accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * return types, then the returned array has a {@code Method} object for 14377accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * each such method. 143851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 14397accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents a type with a class 14407accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * initialization method {@code <clinit>}, then the returned array does 14417accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <em>not</em> have a corresponding {@code Method} object. 144251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 14437accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents an array type, then the 14447accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * returned array has a {@code Method} object for each of the public 14457accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * methods inherited by the array type from {@code Object}. It does not 14467accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * contain a {@code Method} object for {@code clone()}. 144751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 14487accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents an interface then the 14497accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * returned array does not contain any implicitly declared methods from 14507accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@code Object}. Therefore, if no methods are explicitly declared in 14517accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * this interface or any of its superinterfaces then the returned array 14527accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * has length 0. (Note that a {@code Class} object which represents a class 14537accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * always has public methods, inherited from {@code Object}.) 145451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 14557accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents a primitive type or void, 14567accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * then the returned array has length 0. 145751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 14587accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> Static methods declared in superinterfaces of the class or interface 14597accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * represented by this {@code Class} object are not considered members of 14607accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * the class or interface. 146151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 14627accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> The elements in the returned array are not sorted and are not in any 14637accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * particular order. 146451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 14657accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @return the array of {@code Method} objects representing the 14667accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * public methods of this class 14677accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 14687accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and 14697accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * the caller's class loader is not the same as or an 14707accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 14717accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 14727accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 14737accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class. 14747accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 14757accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.2 Class Members 14767accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.4 Method Declarations 147751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 147851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 147951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski @CallerSensitive 148051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Method[] getMethods() throws SecurityException { 1481a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski List<Method> methods = new ArrayList<Method>(); 14821ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath getPublicMethodsInternal(methods); 14831ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /* 14841ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Remove duplicate methods defined by superclasses and 14851ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * interfaces, preferring to keep methods declared by derived 14861ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * types. 14871ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 14881ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath CollectionUtils.removeDuplicates(methods, Method.ORDER_BY_SIGNATURE); 14891ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath return methods.toArray(new Method[methods.size()]); 14901ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath } 14911ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 14921ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 14931ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Populates {@code result} with public methods defined by this class, its 14941ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * superclasses, and all implemented interfaces, including overridden methods. 14951ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 14961ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private void getPublicMethodsInternal(List<Method> result) { 14971ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath Collections.addAll(result, getDeclaredMethodsUnchecked(true)); 1498a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (!isInterface()) { 1499a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // Search superclasses, for interfaces don't search java.lang.Object. 1500a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski for (Class<?> c = superClass; c != null; c = c.superClass) { 15011ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath Collections.addAll(result, c.getDeclaredMethodsUnchecked(true)); 1502a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1503a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1504a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // Search iftable which has a flattened and uniqued list of interfaces. 1505a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Object[] iftable = ifTable; 1506a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (iftable != null) { 1507a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski for (int i = 0; i < iftable.length; i += 2) { 1508a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Class<?> ifc = (Class<?>) iftable[i]; 15091ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath Collections.addAll(result, ifc.getDeclaredMethodsUnchecked(true)); 1510a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1511a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 151251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 151351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 151451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 151551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns an array containing {@code Constructor} objects reflecting 151651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * all the public constructors of the class represented by this 151751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} object. An array of length 0 is returned if the 151851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class has no public constructors, or if the class is an array class, or 151951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * if the class reflects a primitive type or void. 152051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 152151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Note that while this method returns an array of {@code 152251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Constructor<T>} objects (that is an array of constructors from 152351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this class), the return type of this method is {@code 152451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Constructor<?>[]} and <em>not</em> {@code Constructor<T>[]} as 152551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * might be expected. This less informative return type is 152651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * necessary since after being returned from this method, the 152751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * array could be modified to hold {@code Constructor} objects for 152851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * different classes, which would violate the type guarantees of 152951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Constructor<T>[]}. 153051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 153151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the array of {@code Constructor} objects representing the 15327accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * public constructors of this class 15337accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 15347accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and 15357accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * the caller's class loader is not the same as or an 15367accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 15377accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 15387accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 15397accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class. 154051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 154151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 154251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 154351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski @CallerSensitive 154451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Constructor<?>[] getConstructors() throws SecurityException { 15451ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath return getDeclaredConstructorsInternal(true); 154651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 154751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 15487accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 154951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 15507accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * Returns a {@code Field} object that reflects the specified public member 15517accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * field of the class or interface represented by this {@code Class} 15527accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * object. The {@code name} parameter is a {@code String} specifying the 15537accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * simple name of the desired field. 155451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 155551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> The field to be reflected is determined by the algorithm that 15567accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * follows. Let C be the class or interface represented by this object: 15577accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 155851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <OL> 155951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <LI> If C declares a public field with the name specified, that is the 156051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * field to be reflected.</LI> 156151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <LI> If no field was found in step 1 above, this algorithm is applied 156251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * recursively to each direct superinterface of C. The direct 156351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * superinterfaces are searched in the order they were declared.</LI> 156451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <LI> If no field was found in steps 1 and 2 above, and C has a 156551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * superclass S, then this algorithm is invoked recursively upon S. 156651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * If C has no superclass, then a {@code NoSuchFieldException} 156751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is thrown.</LI> 156851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </OL> 156951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 15707accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents an array type, then this 15717accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * method does not find the {@code length} field of the array type. 157251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 157351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param name the field name 15747accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @return the {@code Field} object of this class specified by 15757accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@code name} 15767accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NoSuchFieldException if a field with the specified name is 15777accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * not found. 15787accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NullPointerException if {@code name} is {@code null} 15797accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 15807accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and 15817accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * the caller's class loader is not the same as or an 15827accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 15837accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 15847accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 15857accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class. 158651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 158751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 15887accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.2 Class Members 15897accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.3 Field Declarations 159051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 15917accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // ANDROID-CHANGED: Removed SecurityException 15927accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller public Field getField(String name) 15937accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller throws NoSuchFieldException { 1594fe26efa3f4d36ab6132ba2d01898cdf11c89667bPiotr Jastrzebski if (name == null) { 1595fe26efa3f4d36ab6132ba2d01898cdf11c89667bPiotr Jastrzebski throw new NullPointerException("name == null"); 1596fe26efa3f4d36ab6132ba2d01898cdf11c89667bPiotr Jastrzebski } 159770b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak Field result = getPublicFieldRecursive(name); 159870b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak if (result == null) { 159951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new NoSuchFieldException(name); 160051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 160170b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak return result; 1602a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1603a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 160470b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak /** 160570b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * The native implementation of the {@code getField} method. 160670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * 160770b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * @throws NullPointerException 160870b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * if name is null. 160970b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * @see #getField(String) 161070b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak */ 161170b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak private native Field getPublicFieldRecursive(String name); 161251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 161351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 161451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns a {@code Method} object that reflects the specified public 161551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * member method of the class or interface represented by this 161651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} object. The {@code name} parameter is a 161751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code String} specifying the simple name of the desired method. The 161851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code parameterTypes} parameter is an array of {@code Class} 161951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * objects that identify the method's formal parameter types, in declared 162051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * order. If {@code parameterTypes} is {@code null}, it is 162151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * treated as if it were an empty array. 162251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 16237accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If the {@code name} is "{@code <init>}" or "{@code <clinit>}" a 162451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code NoSuchMethodException} is raised. Otherwise, the method to 162551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * be reflected is determined by the algorithm that follows. Let C be the 16267accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * class or interface represented by this object: 162751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <OL> 16287accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <LI> C is searched for a <I>matching method</I>, as defined below. If a 16297accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * matching method is found, it is reflected.</LI> 16307accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <LI> If no matching method is found by step 1 then: 16317accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <OL TYPE="a"> 16327accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <LI> If C is a class other than {@code Object}, then this algorithm is 16337accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invoked recursively on the superclass of C.</LI> 16347accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <LI> If C is the class {@code Object}, or if C is an interface, then 16357accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * the superinterfaces of C (if any) are searched for a matching 16367accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * method. If any such method is found, it is reflected.</LI> 16377accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * </OL></LI> 163851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </OL> 163951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 16407accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> To find a matching method in a class or interface C: If C 16417accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * declares exactly one public method with the specified name and exactly 16427accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * the same formal parameter types, that is the method reflected. If more 16437accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * than one such method is found in C, and one of these methods has a 16447accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * return type that is more specific than any of the others, that method is 16457accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * reflected; otherwise one of the methods is chosen arbitrarily. 164651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 164751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p>Note that there may be more than one matching method in a 164851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class because while the Java language forbids a class to 164951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * declare multiple methods with the same signature but different 165051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * return types, the Java virtual machine does not. This 165151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * increased flexibility in the virtual machine can be used to 165251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * implement various language features. For example, covariant 165351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns can be implemented with {@linkplain 165451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * java.lang.reflect.Method#isBridge bridge methods}; the bridge 165551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * method and the method being overridden would have the same 165651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * signature but different return types. 165751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 16587accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents an array type, then this 16597accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * method does not find the {@code clone()} method. 16607accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 16617accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> Static methods declared in superinterfaces of the class or interface 16627accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * represented by this {@code Class} object are not considered members of 16637accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * the class or interface. 166451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 166551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param name the name of the method 166651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param parameterTypes the list of parameters 166751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the {@code Method} object that matches the specified 16687accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@code name} and {@code parameterTypes} 16697accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NoSuchMethodException if a matching method is not found 16707accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * or if the name is "<init>"or "<clinit>". 16717accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NullPointerException if {@code name} is {@code null} 16727accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 16737accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and 16747accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * the caller's class loader is not the same as or an 16757accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 16767accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 16777accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 16787accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class. 16797accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 16807accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.2 Class Members 16817accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.4 Method Declarations 168251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 168351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 168451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski @CallerSensitive 168551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Method getMethod(String name, Class<?>... parameterTypes) 168651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws NoSuchMethodException, SecurityException { 1687a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return getMethod(name, parameterTypes, true); 168851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 168951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 169051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 169151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 169251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns a {@code Constructor} object that reflects the specified 169351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * public constructor of the class represented by this {@code Class} 169451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * object. The {@code parameterTypes} parameter is an array of 169551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} objects that identify the constructor's formal 169651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * parameter types, in declared order. 169751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 169851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * If this {@code Class} object represents an inner class 169951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * declared in a non-static context, the formal parameter types 170051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * include the explicit enclosing instance as the first parameter. 170151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 170251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> The constructor to reflect is the public constructor of the class 170351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represented by this {@code Class} object whose formal parameter 170451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * types match those specified by {@code parameterTypes}. 170551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 170651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param parameterTypes the parameter array 170751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the {@code Constructor} object of the public constructor that 17087accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * matches the specified {@code parameterTypes} 17097accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NoSuchMethodException if a matching method is not found. 17107accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 17117accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and 17127accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * the caller's class loader is not the same as or an 17137accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 17147accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 17157accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 17167accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class. 171751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 171851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 171951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 172051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Constructor<T> getConstructor(Class<?>... parameterTypes) 172151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws NoSuchMethodException, SecurityException { 172251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return getConstructor0(parameterTypes, Member.PUBLIC); 172351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 172451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 17257accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 172651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 172751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns an array of {@code Class} objects reflecting all the 172851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * classes and interfaces declared as members of the class represented by 172951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this {@code Class} object. This includes public, protected, default 173051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * (package) access, and private classes and interfaces declared by the 173151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class, but excludes inherited classes and interfaces. This method 173251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns an array of length 0 if the class declares no classes or 173351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * interfaces as members, or if this {@code Class} object represents a 173451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * primitive type, an array class, or void. 173551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 173651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the array of {@code Class} objects representing all the 17377accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * declared members of this class 17387accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 17397accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and any of the 17407accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * following conditions is met: 174151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 17427accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <ul> 174351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 17447accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as the 17457accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * class loader of this class and invocation of 17467accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@link SecurityManager#checkPermission 17477accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPermission} method with 17487accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@code RuntimePermission("accessDeclaredMembers")} 17497accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * denies access to the declared classes within this class 175051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 17517accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as or an 17527accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 17537accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 17547accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 17557accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class 175651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 17577accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * </ul> 175851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 175951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 176051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 17617accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // ANDROID-CHANGED: Removed SecurityException 176270b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak public native Class<?>[] getDeclaredClasses(); 176351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 176451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 176551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns an array of {@code Field} objects reflecting all the fields 176651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * declared by the class or interface represented by this 176751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} object. This includes public, protected, default 176851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * (package) access, and private fields, but excludes inherited fields. 176951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 17707accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents a class or interface with no 17717accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * declared fields, then this method returns an array of length 0. 17727accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 17737accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents an array type, a primitive 17747accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * type, or void, then this method returns an array of length 0. 17757accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 17767accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> The elements in the returned array are not sorted and are not in any 17777accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * particular order. 177851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 17797accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @return the array of {@code Field} objects representing all the 17807accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * declared fields of this class 17817accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 17827accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and any of the 17837accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * following conditions is met: 178451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 17857accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <ul> 178651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 17877accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as the 17887accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * class loader of this class and invocation of 17897accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@link SecurityManager#checkPermission 17907accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPermission} method with 17917accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@code RuntimePermission("accessDeclaredMembers")} 17927accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * denies access to the declared fields within this class 179351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 17947accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as or an 17957accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 17967accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 17977accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 17987accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class 179951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 18007accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * </ul> 180151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 180251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 18037accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.2 Class Members 18047accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.3 Field Declarations 180551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 18067accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // ANDROID-CHANGED: Removed SecurityException 18071ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath public native Field[] getDeclaredFields(); 180851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 18091ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 18101ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Populates a list of fields without performing any security or type 18111ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * resolution checks first. If no fields exist, the list is not modified. 18121ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * 18131ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * @param publicOnly Whether to return only public fields. 18141ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * @hide 18151ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 18161ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath public native Field[] getDeclaredFieldsUnchecked(boolean publicOnly); 181751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 181851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 181951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 18207accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * Returns an array containing {@code Method} objects reflecting all the 18217accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * declared methods of the class or interface represented by this {@code 18227accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * Class} object, including public, protected, default (package) 18237accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * access, and private methods, but excluding inherited methods. 182451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 18257accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents a type that has multiple 18267accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * declared methods with the same name and parameter types, but different 18277accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * return types, then the returned array has a {@code Method} object for 18287accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * each such method. 182951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 18307accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents a type that has a class 18317accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * initialization method {@code <clinit>}, then the returned array does 18327accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <em>not</em> have a corresponding {@code Method} object. 183351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 18347accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents a class or interface with no 18357accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * declared methods, then the returned array has length 0. 183651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 18377accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents an array type, a primitive 18387accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * type, or void, then the returned array has length 0. 183951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 18407accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> The elements in the returned array are not sorted and are not in any 18417accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * particular order. 184251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 18437accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @return the array of {@code Method} objects representing all the 18447accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * declared methods of this class 18457accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 18467accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and any of the 18477accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * following conditions is met: 18487accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 18497accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <ul> 18507accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 18517accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as the 18527accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * class loader of this class and invocation of 18537accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@link SecurityManager#checkPermission 18547accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPermission} method with 18557accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@code RuntimePermission("accessDeclaredMembers")} 18567accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * denies access to the declared methods within this class 18577accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 18587accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as or an 18597accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 18607accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 18617accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 18627accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class 18637accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 18647accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * </ul> 18657accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 18667accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.2 Class Members 18677accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.4 Method Declarations 186851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 186951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 187051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Method[] getDeclaredMethods() throws SecurityException { 18711ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath Method[] result = getDeclaredMethodsUnchecked(false); 1872a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski for (Method m : result) { 1873a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // Throw NoClassDefFoundError if types cannot be resolved. 1874a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski m.getReturnType(); 1875a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski m.getParameterTypes(); 1876a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1877a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return result; 1878a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 1879a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 18801ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 18811ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Populates a list of methods without performing any security or type 18821ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * resolution checks first. If no methods exist, the list is not modified. 18831ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * 18841ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * @param publicOnly Whether to return only public methods. 18851ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * @hide 18861ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 18871ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath public native Method[] getDeclaredMethodsUnchecked(boolean publicOnly); 188851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 188951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 189051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns an array of {@code Constructor} objects reflecting all the 189151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * constructors declared by the class represented by this 189251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} object. These are public, protected, default 189351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * (package) access, and private constructors. The elements in the array 189451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returned are not sorted and are not in any particular order. If the 189551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class has a default constructor, it is included in the returned array. 189651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This method returns an array of length 0 if this {@code Class} 189751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * object represents an interface, a primitive type, an array class, or 189851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * void. 189951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 190051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> See <em>The Java Language Specification</em>, section 8.2. 190151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 19027accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @return the array of {@code Constructor} objects representing all the 19037accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * declared constructors of this class 19047accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 19057accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and any of the 19067accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * following conditions is met: 190751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 19087accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <ul> 190951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 19107accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as the 19117accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * class loader of this class and invocation of 19127accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@link SecurityManager#checkPermission 19137accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPermission} method with 19147accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@code RuntimePermission("accessDeclaredMembers")} 19157accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * denies access to the declared constructors within this class 191651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 19177accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as or an 19187accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 19197accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 19207accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 19217accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class 192251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 19237accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * </ul> 192451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 192551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 192651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 192751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Constructor<?>[] getDeclaredConstructors() throws SecurityException { 19281ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath return getDeclaredConstructorsInternal(false); 192951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 193051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 19317accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 193251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 19331ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Returns the constructor with the given parameters if it is defined by this class; 19341ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * {@code null} otherwise. This may return a non-public member. 19351ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 19361ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private native Constructor<?>[] getDeclaredConstructorsInternal(boolean publicOnly); 19371ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 19381ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 193951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns a {@code Field} object that reflects the specified declared 194051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * field of the class or interface represented by this {@code Class} 19417accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * object. The {@code name} parameter is a {@code String} that specifies 19427accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * the simple name of the desired field. 19437accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 19447accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents an array type, then this 19457accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * method does not find the {@code length} field of the array type. 194651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 194751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param name the name of the field 19487accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @return the {@code Field} object for the specified field in this 19497accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * class 19507accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NoSuchFieldException if a field with the specified name is 19517accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * not found. 19527accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NullPointerException if {@code name} is {@code null} 19537accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 19547accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and any of the 19557accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * following conditions is met: 19567accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 19577accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <ul> 19587accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 19597accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as the 19607accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * class loader of this class and invocation of 19617accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@link SecurityManager#checkPermission 19627accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPermission} method with 19637accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@code RuntimePermission("accessDeclaredMembers")} 19647accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * denies access to the declared field 19657accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 19667accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as or an 19677accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 19687accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 19697accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 19707accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class 19717accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 19727accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * </ul> 197351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 197451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 19757accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.2 Class Members 19767accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.3 Field Declarations 197751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 19787accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // ANDROID-CHANGED: Removed SecurityException 19791ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath public native Field getDeclaredField(String name) throws NoSuchFieldException; 198051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 19811ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 19821ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Returns the subset of getDeclaredFields which are public. 19831ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 19841ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private native Field[] getPublicDeclaredFields(); 1985a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 198651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 198751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns a {@code Method} object that reflects the specified 198851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * declared method of the class or interface represented by this 198951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} object. The {@code name} parameter is a 199051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code String} that specifies the simple name of the desired 199151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * method, and the {@code parameterTypes} parameter is an array of 199251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} objects that identify the method's formal parameter 199351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * types, in declared order. If more than one method with the same 199451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * parameter types is declared in a class, and one of these methods has a 199551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * return type that is more specific than any of the others, that method is 199651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returned; otherwise one of the methods is chosen arbitrarily. If the 199751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * name is "<init>"or "<clinit>" a {@code NoSuchMethodException} 199851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is raised. 199951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 20007accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <p> If this {@code Class} object represents an array type, then this 20017accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * method does not find the {@code clone()} method. 20027accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 200351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param name the name of the method 200451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param parameterTypes the parameter array 20057accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @return the {@code Method} object for the method of this class 20067accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * matching the specified name and parameters 20077accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NoSuchMethodException if a matching method is not found. 20087accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NullPointerException if {@code name} is {@code null} 20097accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 20107accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and any of the 20117accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * following conditions is met: 20127accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 20137accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <ul> 20147accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 20157accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as the 20167accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * class loader of this class and invocation of 20177accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@link SecurityManager#checkPermission 20187accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPermission} method with 20197accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@code RuntimePermission("accessDeclaredMembers")} 20207accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * denies access to the declared method 20217accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 20227accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as or an 20237accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 20247accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 20257accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 20267accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class 20277accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 20287accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * </ul> 20297accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 20307accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.2 Class Members 20317accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @jls 8.4 Method Declarations 203251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 203351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 203451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski @CallerSensitive 203551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Method getDeclaredMethod(String name, Class<?>... parameterTypes) 203651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws NoSuchMethodException, SecurityException { 2037a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return getMethod(name, parameterTypes, false); 2038a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2039a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 2040a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski private Method getMethod(String name, Class<?>[] parameterTypes, boolean recursivePublicMethods) 2041a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski throws NoSuchMethodException { 2042a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (name == null) { 2043a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski throw new NullPointerException("name == null"); 2044a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2045a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (parameterTypes == null) { 2046a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski parameterTypes = EmptyArray.CLASS; 2047a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2048a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski for (Class<?> c : parameterTypes) { 2049a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (c == null) { 2050a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski throw new NoSuchMethodException("parameter type is null"); 2051a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2052a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2053a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Method result = recursivePublicMethods ? getPublicMethodRecursive(name, parameterTypes) 2054a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski : getDeclaredMethodInternal(name, parameterTypes); 2055a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // Fail if we didn't find the method or it was expected to be public. 2056a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (result == null || 2057a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski (recursivePublicMethods && !Modifier.isPublic(result.getAccessFlags()))) { 2058a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski throw new NoSuchMethodException(name + " " + Arrays.toString(parameterTypes)); 2059a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2060a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return result; 2061a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2062a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski private Method getPublicMethodRecursive(String name, Class<?>[] parameterTypes) { 2063a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski // search superclasses 2064a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski for (Class<?> c = this; c != null; c = c.getSuperclass()) { 2065a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Method result = c.getDeclaredMethodInternal(name, parameterTypes); 2066a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (result != null && Modifier.isPublic(result.getAccessFlags())) { 2067a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return result; 2068a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2069a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2070cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath 2071cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath return findInterfaceMethod(name, parameterTypes); 2072cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath } 2073cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath 2074cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath /** 2075cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath * Returns an instance method that's defined on this class or any super classes, regardless 2076cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath * of its access flags. Constructors are excluded. 2077cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath * 2078cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath * This function does not perform access checks and its semantics don't match any dex byte code 2079cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath * instruction or public reflection API. This is used by {@code MethodHandles.findVirtual} 2080cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath * which will perform access checks on the returned method. 2081cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath * 2082cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath * @hide 2083cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath */ 2084cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath public Method getInstanceMethod(String name, Class<?>[] parameterTypes) 2085cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath throws NoSuchMethodException, IllegalAccessException { 2086cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath for (Class<?> c = this; c != null; c = c.getSuperclass()) { 2087cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath Method result = c.getDeclaredMethodInternal(name, parameterTypes); 2088cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath if (result != null && !Modifier.isStatic(result.getModifiers())) { 2089cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath return result; 2090cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath } 2091cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath } 2092cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath 2093191e70e2ebae59054aa8737707bb9845b71b4820Narayan Kamath return findInterfaceMethod(name, parameterTypes); 2094cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath } 2095cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath 2096cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath private Method findInterfaceMethod(String name, Class<?>[] parameterTypes) { 2097a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Object[] iftable = ifTable; 2098a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (iftable != null) { 2099d559f4f94cb0b9b4c80a3cc2040c0bd32276c225Alex Light // Search backwards so more specific interfaces are searched first. This ensures that 2100d559f4f94cb0b9b4c80a3cc2040c0bd32276c225Alex Light // the method we return is not overridden by one of it's subtypes that this class also 2101d559f4f94cb0b9b4c80a3cc2040c0bd32276c225Alex Light // implements. 2102d559f4f94cb0b9b4c80a3cc2040c0bd32276c225Alex Light for (int i = iftable.length - 2; i >= 0; i -= 2) { 2103a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Class<?> ifc = (Class<?>) iftable[i]; 2104a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Method result = ifc.getPublicMethodRecursive(name, parameterTypes); 2105a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (result != null && Modifier.isPublic(result.getAccessFlags())) { 2106a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return result; 2107a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2108a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 210951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 2110cc44ded0807d59a7c6059bdefdaeb89a1543228dNarayan Kamath 2111a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return null; 211251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 211351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 211451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 211551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 211651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns a {@code Constructor} object that reflects the specified 211751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * constructor of the class or interface represented by this 211851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} object. The {@code parameterTypes} parameter is 211951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * an array of {@code Class} objects that identify the constructor's 212051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * formal parameter types, in declared order. 212151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 212251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * If this {@code Class} object represents an inner class 212351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * declared in a non-static context, the formal parameter types 212451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * include the explicit enclosing instance as the first parameter. 212551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 212651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param parameterTypes the parameter array 21277accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @return The {@code Constructor} object for the constructor with the 21287accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * specified parameter list 21297accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NoSuchMethodException if a matching method is not found. 21307accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws SecurityException 21317accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * If a security manager, <i>s</i>, is present and any of the 21327accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * following conditions is met: 21337accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 21347accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <ul> 21357accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 21367accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as the 21377accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * class loader of this class and invocation of 21387accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@link SecurityManager#checkPermission 21397accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPermission} method with 21407accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@code RuntimePermission("accessDeclaredMembers")} 21417accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * denies access to the declared constructor 21427accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 21437accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * <li> the caller's class loader is not the same as or an 21447accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * ancestor of the class loader for the current class and 21457accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * invocation of {@link SecurityManager#checkPackageAccess 21467accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * s.checkPackageAccess()} denies access to the package 21477accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * of this class 21487accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * 21497accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * </ul> 215051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 215151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 215251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 215351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski @CallerSensitive 215451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Constructor<T> getDeclaredConstructor(Class<?>... parameterTypes) 215551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws NoSuchMethodException, SecurityException { 215651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return getConstructor0(parameterTypes, Member.DECLARED); 215751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 215851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 215951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 216051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Finds a resource with a given name. The rules for searching resources 216151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * associated with a given class are implemented by the defining 216251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@linkplain ClassLoader class loader} of the class. This method 216351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * delegates to this object's class loader. If this object was loaded by 216451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the bootstrap class loader, the method delegates to {@link 216551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ClassLoader#getSystemResourceAsStream}. 216651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 216751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> Before delegation, an absolute resource name is constructed from the 216851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * given resource name using this algorithm: 216951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 217051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <ul> 217151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 217251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <li> If the {@code name} begins with a {@code '/'} 217351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * (<tt>'\u002f'</tt>), then the absolute name of the resource is the 217451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * portion of the {@code name} following the {@code '/'}. 217551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 217651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <li> Otherwise, the absolute name is of the following form: 217751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 217851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <blockquote> 217951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code modified_package_name/name} 218051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </blockquote> 218151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 218251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> Where the {@code modified_package_name} is the package name of this 218351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * object with {@code '/'} substituted for {@code '.'} 218451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * (<tt>'\u002e'</tt>). 218551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 218651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </ul> 218751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 218851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param name name of the desired resource 218951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return A {@link java.io.InputStream} object or {@code null} if 219051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * no resource with this name is found 219151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws NullPointerException If {@code name} is {@code null} 219251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 219351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 219451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public InputStream getResourceAsStream(String name) { 219551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name = resolveName(name); 2196a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski ClassLoader cl = getClassLoader(); 219751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (cl==null) { 219851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // A system class. 219951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return ClassLoader.getSystemResourceAsStream(name); 220051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 220151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return cl.getResourceAsStream(name); 220251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 220351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 220451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 220551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Finds a resource with a given name. The rules for searching resources 220651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * associated with a given class are implemented by the defining 220751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@linkplain ClassLoader class loader} of the class. This method 220851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * delegates to this object's class loader. If this object was loaded by 220951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the bootstrap class loader, the method delegates to {@link 221051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ClassLoader#getSystemResource}. 221151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 221251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> Before delegation, an absolute resource name is constructed from the 221351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * given resource name using this algorithm: 221451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 221551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <ul> 221651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 221751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <li> If the {@code name} begins with a {@code '/'} 221851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * (<tt>'\u002f'</tt>), then the absolute name of the resource is the 221951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * portion of the {@code name} following the {@code '/'}. 222051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 222151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <li> Otherwise, the absolute name is of the following form: 222251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 222351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <blockquote> 222451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code modified_package_name/name} 222551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </blockquote> 222651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 222751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> Where the {@code modified_package_name} is the package name of this 222851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * object with {@code '/'} substituted for {@code '.'} 222951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * (<tt>'\u002e'</tt>). 223051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 223151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * </ul> 223251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 223351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param name name of the desired resource 223451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return A {@link java.net.URL} object or {@code null} if no 223551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * resource with this name is found 223651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 223751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 223851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public java.net.URL getResource(String name) { 223951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name = resolveName(name); 2240a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski ClassLoader cl = getClassLoader(); 224151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (cl==null) { 224251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // A system class. 224351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return ClassLoader.getSystemResource(name); 224451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 224551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return cl.getResource(name); 224651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 224751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 224851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 224951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the {@code ProtectionDomain} of this class. If there is a 225051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * security manager installed, this method first calls the security 225151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * manager's {@code checkPermission} method with a 225251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code RuntimePermission("getProtectionDomain")} permission to 225351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ensure it's ok to get the 225451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code ProtectionDomain}. 225551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 225651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the ProtectionDomain of this class 225751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 225851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws SecurityException 225951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * if a security manager exists and its 226051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code checkPermission} method doesn't allow 226151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * getting the ProtectionDomain. 226251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 226351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.security.ProtectionDomain 226451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see SecurityManager#checkPermission 226551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.RuntimePermission 226651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.2 226751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 226851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public java.security.ProtectionDomain getProtectionDomain() { 2269a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return null; 227051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 227151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 227251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 227351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Add a package name prefix if the name is not absolute Remove leading "/" 227451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * if name is absolute 227551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 227651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private String resolveName(String name) { 227751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (name == null) { 227851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return name; 227951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 228051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!name.startsWith("/")) { 228151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> c = this; 228251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski while (c.isArray()) { 228351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski c = c.getComponentType(); 228451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 228551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String baseName = c.getName(); 228651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int index = baseName.lastIndexOf('.'); 228751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (index != -1) { 228851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name = baseName.substring(0, index).replace('.', '/') 228951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski +"/"+name; 229051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 229151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 229251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name = name.substring(1); 229351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 229451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return name; 229551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 229651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2297a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski private Constructor<T> getConstructor0(Class<?>[] parameterTypes, 2298a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski int which) throws NoSuchMethodException 2299a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski { 2300a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (parameterTypes == null) { 2301a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski parameterTypes = EmptyArray.CLASS; 230251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 2303a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski for (Class<?> c : parameterTypes) { 2304a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (c == null) { 2305a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski throw new NoSuchMethodException("parameter type is null"); 2306a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 230751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 2308a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Constructor<T> result = getDeclaredConstructorInternal(parameterTypes); 2309a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (result == null || which == Member.PUBLIC && !Modifier.isPublic(result.getAccessFlags())) { 2310a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski throw new NoSuchMethodException("<init> " + Arrays.toString(parameterTypes)); 2311a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2312a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return result; 231351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 231451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 23157accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller /** use serialVersionUID from JDK 1.1 for interoperability */ 23167accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller private static final long serialVersionUID = 3206093459760846163L; 23177accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 23187accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 23191ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 23201ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Returns the constructor with the given parameters if it is defined by this class; 23211ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * {@code null} otherwise. This may return a non-public member. 23221ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * 23231ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * @param args the types of the parameters to the constructor. 23241ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 23251ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private native Constructor<T> getDeclaredConstructorInternal(Class<?>[] args); 232651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 232751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 232851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the assertion status that would be assigned to this 232951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class if it were to be initialized at the time this method is invoked. 233051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * If this class has had its assertion status set, the most recent 233151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * setting will be returned; otherwise, if any package default assertion 233251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * status pertains to this class, the most recent setting for the most 233351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * specific pertinent package default assertion status is returned; 233451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * otherwise, if this class is not a system class (i.e., it has a 233551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class loader) its class loader's default assertion status is returned; 233651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * otherwise, the system class default assertion status is returned. 233751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p> 233851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Few programmers will have any need for this method; it is provided 233951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * for the benefit of the JRE itself. (It allows a class to determine at 234051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the time that it is initialized whether assertions should be enabled.) 234151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Note that this method is not guaranteed to return the actual 234251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * assertion status that was (or will be) associated with the specified 234351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class when it was (or will be) initialized. 234451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 234551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the desired assertion status of the specified class. 234651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.ClassLoader#setClassAssertionStatus 234751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.ClassLoader#setPackageAssertionStatus 234851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see java.lang.ClassLoader#setDefaultAssertionStatus 234951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.4 235051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 235151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public boolean desiredAssertionStatus() { 2352a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return false; 235351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 235451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 235551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 235670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * Returns the simple name of a member or local class, or {@code null} otherwise. 235770b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak */ 235870b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak private native String getInnerClassName(); 235970b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak 236070b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak private native int getInnerClassFlags(int defaultValue); 236170b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak 236270b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak /** 236351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if and only if this class was declared as an enum in the 236451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * source code. 236551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 236651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return true if and only if this class was declared as an enum in the 236751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * source code 236851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 236951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 237051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public boolean isEnum() { 237151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // An enum must both directly extend java.lang.Enum and have 237251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // the ENUM bit set; classes for specialized enum constants 237351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // don't do the former. 237451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (this.getModifiers() & ENUM) != 0 && 237551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.getSuperclass() == java.lang.Enum.class; 237651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 237751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 237851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 237951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the elements of this enum class or null if this 238051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Class object does not represent an enum type. 238151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 238251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return an array containing the values comprising the enum class 238351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represented by this Class object in the order they're 238451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * declared, or null if this Class object does not 238551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represent an enum type 238651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 238751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 238851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public T[] getEnumConstants() { 238951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski T[] values = getEnumConstantsShared(); 239051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (values != null) ? values.clone() : null; 239151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 239251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 239351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 239451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the elements of this enum class or null if this 239551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Class object does not represent an enum type; 239651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * identical to getEnumConstants except that the result is 239751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * uncloned, cached, and shared by all callers. 239851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 239951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski T[] getEnumConstantsShared() { 2400a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (!isEnum()) return null; 2401a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return (T[]) Enum.getSharedConstants((Class) this); 240251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 240351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 240451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 240551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Casts an object to the class or interface represented 240651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by this {@code Class} object. 240751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 240851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param obj the object to be cast 240951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the object after casting, or null if obj is null 241051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 241151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws ClassCastException if the object is not 241251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * null and is not assignable to the type T. 241351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 241451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 241551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 24167accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller @SuppressWarnings("unchecked") 241751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public T cast(Object obj) { 241851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (obj != null && !isInstance(obj)) 241951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ClassCastException(cannotCastMsg(obj)); 242051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (T) obj; 242151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 242251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 242351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private String cannotCastMsg(Object obj) { 242451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return "Cannot cast " + obj.getClass().getName() + " to " + getName(); 242551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 242651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 242751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 242851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Casts this {@code Class} object to represent a subclass of the class 24297accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * represented by the specified class object. Checks that the cast 243051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is valid, and throws a {@code ClassCastException} if it is not. If 243151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this method succeeds, it always returns a reference to this class object. 243251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 243351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p>This method is useful when a client needs to "narrow" the type of 243451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * a {@code Class} object to pass it to an API that restricts the 243551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * {@code Class} objects that it is willing to accept. A cast would 243651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * generate a compile-time warning, as the correctness of the cast 243751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * could not be checked at runtime (because generic types are implemented 243851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by erasure). 243951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 24407accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @param <U> the type to cast this class object to 24417accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @param clazz the class of the type to cast this class object to 244251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return this {@code Class} object, cast to represent a subclass of 244351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the specified class object. 244451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws ClassCastException if this {@code Class} object does not 244551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represent a subclass of the specified class (here "subclass" includes 244651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the class itself). 244751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 244851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 24497accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller @SuppressWarnings("unchecked") 245051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public <U> Class<? extends U> asSubclass(Class<U> clazz) { 245151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (clazz.isAssignableFrom(this)) 245251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (Class<? extends U>) this; 245351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski else 245487778fb754e6e9bf04e1d8e10fd13f49cc2aa608Przemyslaw Szczepaniak throw new ClassCastException(this.toString() + 245587778fb754e6e9bf04e1d8e10fd13f49cc2aa608Przemyslaw Szczepaniak " cannot be cast to " + clazz.getName()); 245651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 245751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 245851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 245951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @throws NullPointerException {@inheritDoc} 246051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.5 246151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 24627accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller @SuppressWarnings("unchecked") 246351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public <A extends Annotation> A getAnnotation(Class<A> annotationClass) { 24647accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller Objects.requireNonNull(annotationClass); 246551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 246670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak A annotation = getDeclaredAnnotation(annotationClass); 246770b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak if (annotation != null) { 246870b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak return annotation; 246970b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 247070b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak 247170b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak if (annotationClass.isDeclaredAnnotationPresent(Inherited.class)) { 247270b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak for (Class<?> sup = getSuperclass(); sup != null; sup = sup.getSuperclass()) { 247370b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak annotation = sup.getDeclaredAnnotation(annotationClass); 247470b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak if (annotation != null) { 247570b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak return annotation; 247670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 247770b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 247870b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 247970b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak 248070b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak return null; 248170b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 248270b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak 24837accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller /** 24847accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * {@inheritDoc} 24857accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NullPointerException {@inheritDoc} 24867accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @since 1.5 24877accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller */ 24887accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller @Override 24897accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller public boolean isAnnotationPresent(Class<? extends Annotation> annotationClass) { 24907accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (annotationClass == null) { 24917accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller throw new NullPointerException("annotationClass == null"); 249270b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 249370b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak 24947accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (isDeclaredAnnotationPresent(annotationClass)) { 249570b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak return true; 249670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 249770b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak 24987accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (annotationClass.isDeclaredAnnotationPresent(Inherited.class)) { 249970b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak for (Class<?> sup = getSuperclass(); sup != null; sup = sup.getSuperclass()) { 25007accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (sup.isDeclaredAnnotationPresent(annotationClass)) { 250170b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak return true; 250270b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 250370b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 250470b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 250570b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak 250670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak return false; 250751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 250851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 250951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 25107accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NullPointerException {@inheritDoc} 25117accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @since 1.8 251251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 25137accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller @Override 25147accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller public <A extends Annotation> A[] getAnnotationsByType(Class<A> annotationClass) { 25157accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // Find any associated annotations [directly or repeatably (indirectly) present on this]. 25167accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller A[] annotations = GenericDeclaration.super.getAnnotationsByType(annotationClass); 25177accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 25187accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (annotations.length != 0) { 25197accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller return annotations; 25207accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } 25217accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 25227accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // Nothing was found, attempt looking for associated annotations recursively up to the root 25237accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // class if and only if: 25247accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // * The annotation class was marked with @Inherited. 25257accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // 25267accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // Inherited annotations are not coalesced into a single set: the first declaration found is 25277accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // returned. 25287accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 25297accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (annotationClass.isDeclaredAnnotationPresent(Inherited.class)) { 25307accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller Class<?> superClass = getSuperclass(); // Returns null if klass's base is Object. 25317accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 25327accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller if (superClass != null) { 25337accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller return superClass.getAnnotationsByType(annotationClass); 25347accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } 25357accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } 25367accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 25377accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller // Annotated was not marked with @Inherited, or no superclass. 25387accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller return (A[]) Array.newInstance(annotationClass, 0); // Safe by construction. 25397accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller } 25407accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller 25417accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller /** 25427accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @since 1.5 25437accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller */ 25447accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller @Override 25457accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller public Annotation[] getAnnotations() { 254670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak /* 254770b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * We need to get the annotations declared on this class, plus the 254870b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * annotations from superclasses that have the "@Inherited" annotation 254970b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * set. We create a temporary map to use while we accumulate the 255070b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * annotations and convert it to an array at the end. 255170b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * 255270b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * It's possible to have duplicates when annotations are inherited. 255370b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * We use a Map to filter those out. 255470b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * 255570b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * HashMap might be overkill here. 255670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak */ 255770b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak HashMap<Class<?>, Annotation> map = new HashMap<Class<?>, Annotation>(); 255870b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak for (Annotation declaredAnnotation : getDeclaredAnnotations()) { 255970b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak map.put(declaredAnnotation.annotationType(), declaredAnnotation); 256070b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 256170b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak for (Class<?> sup = getSuperclass(); sup != null; sup = sup.getSuperclass()) { 256270b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak for (Annotation declaredAnnotation : sup.getDeclaredAnnotations()) { 256370b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak Class<? extends Annotation> clazz = declaredAnnotation.annotationType(); 256470b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak if (!map.containsKey(clazz) && clazz.isDeclaredAnnotationPresent(Inherited.class)) { 256570b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak map.put(clazz, declaredAnnotation); 256670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 256770b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 256870b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak } 256951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 257070b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak /* Convert annotation values from HashMap to array. */ 257170b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak Collection<Annotation> coll = map.values(); 257270b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak return coll.toArray(new Annotation[coll.size()]); 257351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 257451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 257570b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak /** 25767accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @throws NullPointerException {@inheritDoc} 25779599ec54b164da29db4e3386a9839aca73caf8eeIgor Murashkin * @since 1.8 257851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 25799599ec54b164da29db4e3386a9839aca73caf8eeIgor Murashkin @Override 25807accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller public native <A extends Annotation> A getDeclaredAnnotation(Class<A> annotationClass); 25819599ec54b164da29db4e3386a9839aca73caf8eeIgor Murashkin 25829599ec54b164da29db4e3386a9839aca73caf8eeIgor Murashkin /** 25837accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller * @since 1.5 25849599ec54b164da29db4e3386a9839aca73caf8eeIgor Murashkin */ 25859599ec54b164da29db4e3386a9839aca73caf8eeIgor Murashkin @Override 25867accc5fb09911a1dcc027f48089845f617f2912eNeil Fuller public native Annotation[] getDeclaredAnnotations(); 258751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 258851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 258970b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak * Returns true if the annotation exists. 259051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 259170b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak private native boolean isDeclaredAnnotationPresent(Class<? extends Annotation> annotationClass); 259251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2593d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao private String getSignatureAttribute() { 2594d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao String[] annotation = getSignatureAnnotation(); 2595d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao if (annotation == null) { 2596d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao return null; 2597d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao } 2598d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao StringBuilder result = new StringBuilder(); 2599d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao for (String s : annotation) { 2600d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao result.append(s); 2601d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao } 2602d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao return result.toString(); 2603d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao } 2604d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao 2605d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao private native String[] getSignatureAnnotation(); 2606d890de26ec16f7fc32b58a00725aff1b2a79a169Jeff Hao 2607a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski /** 2608a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * Is this a runtime created proxy class? 2609a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * 2610a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * @hide 2611a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski */ 2612a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public boolean isProxy() { 2613a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return (accessFlags & 0x00040000) != 0; 2614a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2615a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 2616a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski /** 2617a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * Returns the dex file from which this class was loaded. 2618a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * 2619a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * @hide 2620a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski */ 2621a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public Dex getDex() { 2622a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (dexCache == null) { 2623a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return null; 2624a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2625a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return dexCache.getDex(); 2626a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2627a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski /** 2628a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * Returns a string from the dex cache, computing the string from the dex file if necessary. 2629a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * 2630a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * @hide 2631a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski */ 2632a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public String getDexCacheString(Dex dex, int dexStringIndex) { 263370b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak String s = dexCache.getResolvedString(dexStringIndex); 2634a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (s == null) { 2635a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski s = dex.strings().get(dexStringIndex).intern(); 263670b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak dexCache.setResolvedString(dexStringIndex, s); 2637a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2638a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return s; 2639a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2640a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 2641a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski /** 2642a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * Returns a resolved type from the dex cache, computing the type from the dex file if 2643a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * necessary. 2644a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * 2645a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * @hide 2646a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski */ 2647a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public Class<?> getDexCacheType(Dex dex, int dexTypeIndex) { 264870b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak Class<?> resolvedType = dexCache.getResolvedType(dexTypeIndex); 2649a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (resolvedType == null) { 2650a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski int descriptorIndex = dex.typeIds().get(dexTypeIndex); 2651a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski String descriptor = getDexCacheString(dex, descriptorIndex); 2652a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski resolvedType = InternalNames.getClass(getClassLoader(), descriptor); 265370b617fe562806bc3e15452a2792fec4355bd54fPrzemyslaw Szczepaniak dexCache.setResolvedType(dexTypeIndex, resolvedType); 2654a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2655a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return resolvedType; 2656a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2657a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski /** 2658a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * The annotation directory offset of this class in its own Dex, or 0 if it 2659a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * is unknown. 2660a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * 2661a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * TODO: 0 is a sentinel that means 'no annotations directory'; this should be -1 if unknown 2662a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * 2663a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * @hide 2664a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski */ 2665a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public int getDexAnnotationDirectoryOffset() { 2666a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski Dex dex = getDex(); 2667a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (dex == null) { 2668a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return 0; 2669a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2670a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski int classDefIndex = getDexClassDefIndex(); 2671a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (classDefIndex < 0) { 2672a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return 0; 2673a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2674a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return dex.annotationDirectoryOffsetFromClassDefIndex(classDefIndex); 2675a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2676a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski /** 2677a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * The type index of this class in its own Dex, or -1 if it is unknown. If a class is referenced 2678a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * by multiple Dex files, it will have a different type index in each. Dex files support 65534 2679a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * type indices, with 65535 representing no index. 2680a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * 2681a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * @hide 2682a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski */ 2683a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public int getDexTypeIndex() { 2684a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski int typeIndex = dexTypeIndex; 2685a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (typeIndex != 65535) { 2686a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return typeIndex; 2687a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2688a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski synchronized (this) { 2689a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski typeIndex = dexTypeIndex; 2690a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (typeIndex == 65535) { 2691a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (dexClassDefIndex >= 0) { 2692a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski typeIndex = getDex().typeIndexFromClassDefIndex(dexClassDefIndex); 2693a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } else { 2694a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski typeIndex = getDex().findTypeIndex(InternalNames.getInternalName(this)); 2695a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (typeIndex < 0) { 2696a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski typeIndex = -1; 2697a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2698a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2699a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski dexTypeIndex = typeIndex; 2700a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2701a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2702a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return typeIndex; 2703a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2704a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski private boolean canAccess(Class<?> c) { 2705a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if(Modifier.isPublic(c.accessFlags)) { 2706a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return true; 2707a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2708a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return inSamePackage(c); 2709a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2710a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 2711a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski private boolean canAccessMember(Class<?> memberClass, int memberModifiers) { 2712a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (memberClass == this || Modifier.isPublic(memberModifiers)) { 2713a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return true; 2714a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2715a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (Modifier.isPrivate(memberModifiers)) { 2716a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return false; 2717a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2718a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (Modifier.isProtected(memberModifiers)) { 2719a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski for (Class<?> parent = this.superClass; parent != null; parent = parent.superClass) { 2720a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (parent == memberClass) { 2721a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return true; 2722a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2723a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2724a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2725a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return inSamePackage(memberClass); 2726a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2727a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 2728a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski private boolean inSamePackage(Class<?> c) { 2729a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (classLoader != c.classLoader) { 2730a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return false; 2731a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2732a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski String packageName1 = getPackageName$(); 2733a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski String packageName2 = c.getPackageName$(); 2734a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski if (packageName1 == null) { 2735a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return packageName2 == null; 2736a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } else if (packageName2 == null) { 2737a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return false; 2738a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } else { 2739a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return packageName1.equals(packageName2); 2740a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2741a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2742a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski /** 2743a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * @hide 2744a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski */ 2745a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public int getAccessFlags() { 2746a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return accessFlags; 2747a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2748a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 27491ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath 27501ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath /** 27511ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * Returns the method if it is defined by this class; {@code null} otherwise. This may return a 27521ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * non-public member. 27531ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * 27541ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * @param name the method name 27551ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath * @param args the method's parameter types 27561ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath */ 27571ee709428b0987348980749b7fb7be90d8b225b5Narayan Kamath private native Method getDeclaredMethodInternal(String name, Class<?>[] args); 2758a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski 2759a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski /** 2760a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * The class def of this class in its own Dex, or -1 if there is no class def. 2761a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * 2762a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * @hide 2763a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski */ 2764a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski public int getDexClassDefIndex() { 2765a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski return (dexClassDefIndex == 65535) ? -1 : dexClassDefIndex; 2766a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 2767a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski private static class Caches { 2768a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski /** 2769a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * Cache to avoid frequent recalculation of generic interfaces, which is generally uncommon. 2770a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * Sized sufficient to allow ConcurrentHashMapTest to run without recalculating its generic 2771a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * interfaces (required to avoid time outs). Validated by running reflection heavy code 2772a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski * such as applications using Guice-like frameworks. 2773a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski */ 2774a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski private static final BasicLruCache<Class, Type[]> genericInterfaces 2775a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski = new BasicLruCache<Class, Type[]>(8); 2776a80f9aeb7b637fc241c75448eed08275245ec652Piotr Jastrzebski } 277751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} 2778