12cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom/* 22cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Licensed to the Apache Software Foundation (ASF) under one or more 32cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * contributor license agreements. See the NOTICE file distributed with 42cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * this work for additional information regarding copyright ownership. 52cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * The ASF licenses this file to You under the Apache License, Version 2.0 62cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * (the "License"); you may not use this file except in compliance with 72cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * the License. You may obtain a copy of the License at 82cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 92cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * http://www.apache.org/licenses/LICENSE-2.0 102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Unless required by applicable law or agreed to in writing, software 122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * distributed under the License is distributed on an "AS IS" BASIS, 132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * See the License for the specific language governing permissions and 152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * limitations under the License. 162cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 172cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom/* 182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Copyright (C) 2006-2007 The Android Open Source Project 192cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 202cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Licensed under the Apache License, Version 2.0 (the "License"); 212cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * you may not use this file except in compliance with the License. 222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * You may obtain a copy of the License at 232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * http://www.apache.org/licenses/LICENSE-2.0 252cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Unless required by applicable law or agreed to in writing, software 272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * distributed under the License is distributed on an "AS IS" BASIS, 282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * See the License for the specific language governing permissions and 302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * limitations under the License. 312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrompackage java.lang; 342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 352cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport com.android.dex.Dex; 362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport dalvik.system.VMStack; 372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.io.InputStream; 382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.io.Serializable; 392cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.lang.annotation.Annotation; 402cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.lang.reflect.AccessibleObject; 412cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.lang.reflect.AnnotatedElement; 422cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.lang.reflect.Constructor; 432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.lang.reflect.Field; 442cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.lang.reflect.GenericDeclaration; 452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.lang.reflect.InvocationTargetException; 462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.lang.reflect.Member; 472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.lang.reflect.Method; 482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.lang.reflect.Modifier; 492cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.lang.reflect.Type; 502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.lang.reflect.TypeVariable; 512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.net.URL; 525346a96c353933579db184a8433fc0cc1e076950Narayan Kamathimport java.nio.charset.StandardCharsets; 532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.security.ProtectionDomain; 542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.util.ArrayList; 552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.util.Arrays; 56eb183cdeab97f7fb25ae804319c1f5a46353dc4fMathieu Chartierimport java.util.Collections; 572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport java.util.List; 582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport libcore.reflect.AnnotationAccess; 592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport libcore.reflect.GenericSignatureParser; 602cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport libcore.reflect.InternalNames; 612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport libcore.reflect.Types; 62a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogersimport libcore.util.BasicLruCache; 632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport libcore.util.CollectionUtils; 642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstromimport libcore.util.EmptyArray; 65793b9ef91876cb7bea31ddf74f110ac45302f1ddJeff Haoimport libcore.util.SneakyThrow; 662cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 672cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom/** 682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * The in-memory representation of a Java class. This representation serves as 692cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * the starting point for querying class-related information, a process usually 702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * called "reflection". There are basically three types of {@code Class} 712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * instances: those representing real classes and interfaces, those representing 722cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * primitive types, and those representing array classes. 732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 742cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <h4>Class instances representing object types (classes or interfaces)</h4> 752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <p> 762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * These represent an ordinary class or interface as found in the class 772cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * hierarchy. The name associated with these {@code Class} instances is simply 782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * the fully qualified class name of the class or interface that it represents. 792cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * In addition to this human-readable name, each class is also associated by a 802cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * so-called <em>descriptor</em>, which is the letter "L", followed by the 812cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * class name and a semicolon (";"). The descriptor is what the runtime system 822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * uses internally for identifying the class (for example in a DEX file). 832cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * </p> 842cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <h4>Classes representing primitive types</h4> 852cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <p> 862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * These represent the standard Java primitive types and hence share their 872cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * names (for example "int" for the {@code int} primitive type). Although it is 882cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * not possible to create new instances based on these {@code Class} instances, 892cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * they are still useful for providing reflection information, and as the 902cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * component type of array classes. There is one {@code Class} instance for each 912cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * primitive type, and their descriptors are: 922cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * </p> 932cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <ul> 942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <li>{@code B} representing the {@code byte} primitive type</li> 952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <li>{@code S} representing the {@code short} primitive type</li> 962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <li>{@code I} representing the {@code int} primitive type</li> 972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <li>{@code J} representing the {@code long} primitive type</li> 982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <li>{@code F} representing the {@code float} primitive type</li> 992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <li>{@code D} representing the {@code double} primitive type</li> 1002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <li>{@code C} representing the {@code char} primitive type</li> 1012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <li>{@code Z} representing the {@code boolean} primitive type</li> 1022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <li>{@code V} representing void function return values</li> 1032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * </ul> 1042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <p> 1052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <h4>Classes representing array classes</h4> 1062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <p> 1072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * These represent the classes of Java arrays. There is one such {@code Class} 1082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * instance per combination of array leaf component type and arity (number of 1092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * dimensions). In this case, the name associated with the {@code Class} 1102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * consists of one or more left square brackets (one per dimension in the array) 1112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * followed by the descriptor of the class representing the leaf component type, 1122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * which can be either an object type or a primitive type. The descriptor of a 1132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * {@code Class} representing an array type is the same as its name. Examples 1142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * of array class descriptors are: 1152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * </p> 1162cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <ul> 1172cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <li>{@code [I} representing the {@code int[]} type</li> 1182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <li>{@code [Ljava/lang/String;} representing the {@code String[]} type</li> 1192cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <li>{@code [[[C} representing the {@code char[][][]} type (three dimensions!)</li> 1202cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * </ul> 1212cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 1222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrompublic final class Class<T> implements Serializable, AnnotatedElement, GenericDeclaration, Type { 1232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 1242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private static final long serialVersionUID = 3206093459760846163L; 1252cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 126d5178dc78b33c1d97af57b9ab047aa69717bc039Brian Carlstrom /** defining class loader, or null for the "bootstrap" system loader. */ 1272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient ClassLoader classLoader; 1282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 1292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 1302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * For array classes, the component class object for instanceof/checkcast (for String[][][], 131d5178dc78b33c1d97af57b9ab047aa69717bc039Brian Carlstrom * this will be String[][]). null for non-array classes. 1322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 1332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient Class<?> componentType; 1342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 135d5178dc78b33c1d97af57b9ab047aa69717bc039Brian Carlstrom * DexCache of resolved constant pool entries. Will be null for certain runtime-generated classes 1362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * e.g. arrays and primitive classes. 1372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 1382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient DexCache dexCache; 1392cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 1403d38e8203d344acc9acd63c377b6a53683e1df67Mathieu Chartier /** Short-cut to dexCache.strings */ 1413d38e8203d344acc9acd63c377b6a53683e1df67Mathieu Chartier private transient String[] dexCacheStrings; 1423d38e8203d344acc9acd63c377b6a53683e1df67Mathieu Chartier 1432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 1442cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * The interface table (iftable_) contains pairs of a interface class and an array of the 1452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * interface methods. There is one pair per interface supported by this class. That 1462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * means one pair for each interface we support directly, indirectly via superclass, or 1472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * indirectly via a superinterface. This will be null if neither we nor our superclass 1482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * implement any interfaces. 1492cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 1502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Why we need this: given "class Foo implements Face", declare "Face faceObj = new Foo()". 1512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Invoke faceObj.blah(), where "blah" is part of the Face interface. We can't easily use a 1522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * single vtable. 1532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 1542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * For every interface a concrete class implements, we create an array of the concrete vtable_ 1552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * methods for the methods in the interface. 1562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 1572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient Object[] ifTable; 1582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 1592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** Lazily computed name of this class; always prefer calling getName(). */ 1602cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient String name; 1612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 162d5178dc78b33c1d97af57b9ab047aa69717bc039Brian Carlstrom /** The superclass, or null if this is java.lang.Object, an interface or primitive type. */ 1632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient Class<? super T> superClass; 1642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 1652cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** If class verify fails, we must return same error on subsequent tries. */ 1662cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient Class<?> verifyErrorClass; 1672cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 1682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 1692cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Virtual method table (vtable), for use by "invoke-virtual". The vtable from the superclass 1702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * is copied in, and virtual methods from our class either replace those from the super or are 1712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * appended. For abstract classes, methods may be created in the vtable that aren't in 1722cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * virtual_ methods_ for miranda methods. 1732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 174e9fbfba8affa05b7ed129da51f789985a1d379d0Mathieu Chartier private transient Object vtable; 1752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 1762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** access flags; low 16 bits are defined by VM spec */ 1772cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient int accessFlags; 1782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 179e9fbfba8affa05b7ed129da51f789985a1d379d0Mathieu Chartier /** static, private, and <init> methods. */ 180e9fbfba8affa05b7ed129da51f789985a1d379d0Mathieu Chartier private transient long directMethods; 181e9fbfba8affa05b7ed129da51f789985a1d379d0Mathieu Chartier 1822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 183239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier * Instance fields. These describe the layout of the contents of an Object. Note that only the 184239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier * fields directly declared by this class are listed in iFields; fields declared by a 185239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier * superclass are listed in the superclass's Class.iFields. 186239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier * 187239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier * All instance fields that refer to objects are guaranteed to be at the beginning of the field 188239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier * list. {@link Class#numReferenceInstanceFields} specifies the number of reference fields. 189239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier */ 190239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier private transient long iFields; 191239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier 192239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier /** Static fields */ 193239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier private transient long sFields; 194239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier 195e9fbfba8affa05b7ed129da51f789985a1d379d0Mathieu Chartier /** Virtual methods defined in this class; invoked through vtable. */ 196e9fbfba8affa05b7ed129da51f789985a1d379d0Mathieu Chartier private transient long virtualMethods; 197239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier 198239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier /** 1992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Total size of the Class instance; used when allocating storage on GC heap. 2002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * See also {@link Class#objectSize}. 2012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 2022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient int classSize; 2032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 2042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 2052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * tid used to check for recursive static initializer invocation. 2062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 2072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient int clinitThreadId; 2082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 2092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 210a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * Class def index from dex file. An index of 65535 indicates that there is no class definition, 211a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * for example for an array type. 212a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * TODO: really 16bits as type indices are 16bit. 2132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 214a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers private transient int dexClassDefIndex; 215a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers 216a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers /** 217a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * Class type index from dex file, lazily computed. An index of 65535 indicates that the type 218a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * index isn't known. Volatile to avoid double-checked locking bugs. 219a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * TODO: really 16bits as type indices are 16bit. 220a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers */ 221a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers private transient volatile int dexTypeIndex; 2222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 223e9fbfba8affa05b7ed129da51f789985a1d379d0Mathieu Chartier /** Number of direct methods. */ 224e9fbfba8affa05b7ed129da51f789985a1d379d0Mathieu Chartier private transient int numDirectMethods; 225e9fbfba8affa05b7ed129da51f789985a1d379d0Mathieu Chartier 226239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier /** Number of instance fields. */ 227239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier private transient int numInstanceFields; 228239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier 2292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** Number of instance fields that are object references. */ 2302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient int numReferenceInstanceFields; 2312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 2322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** Number of static fields that are object references. */ 2332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient int numReferenceStaticFields; 2342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 235239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier /** Number of static fields. */ 236239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier private transient int numStaticFields; 237239a39fa24e3fc5b173a80de63a10f489539bb9eMathieu Chartier 238e9fbfba8affa05b7ed129da51f789985a1d379d0Mathieu Chartier /** Number of virtual methods. */ 239e9fbfba8affa05b7ed129da51f789985a1d379d0Mathieu Chartier private transient int numVirtualMethods; 240e9fbfba8affa05b7ed129da51f789985a1d379d0Mathieu Chartier 2412cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 2422cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Total object size; used when allocating storage on GC heap. For interfaces and abstract 2432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * classes this will be zero. See also {@link Class#classSize}. 2442cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 2452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient int objectSize; 2462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 247c519ec27ba900d5422c5a0d40388fb6620981564Hiroshi Yamauchi /** 248c519ec27ba900d5422c5a0d40388fb6620981564Hiroshi Yamauchi * The lower 16 bits is the primitive type value, or 0 if not a primitive type; set for 249c519ec27ba900d5422c5a0d40388fb6620981564Hiroshi Yamauchi * generated primitive classes. 250c519ec27ba900d5422c5a0d40388fb6620981564Hiroshi Yamauchi */ 2512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient int primitiveType; 2522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 2532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** Bitmap of offsets of iFields. */ 2542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient int referenceInstanceOffsets; 2552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 2562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** State of class initialization */ 2572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private transient int status; 2582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 2592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private Class() { 260d5178dc78b33c1d97af57b9ab047aa69717bc039Brian Carlstrom // Prevent this class from being instantiated, 261d5178dc78b33c1d97af57b9ab047aa69717bc039Brian Carlstrom // instances should be created by the runtime only. 2622cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 2632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 2642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 26571dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * Returns a {@code Class} object which represents the class with 26671dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * the given name. The name should be the name of a non-primitive 26771dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * class, as described in the {@link Class class definition}. 26871dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * Primitive types can not be found using this method; use {@code 26971dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * int.class} or {@code Integer.TYPE} instead. 2702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 2712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <p>If the class has not yet been loaded, it is loaded and initialized 2722cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * first. This is done through either the class loader of the calling class 2732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * or one of its parent class loaders. It is possible that a static initializer is run as 2742cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * a result of this call. 2752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 2762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws ClassNotFoundException 2772cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if the requested class cannot be found. 2782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws LinkageError 2792cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if an error occurs during linkage 2802cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws ExceptionInInitializerError 2812cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if an exception occurs during static initialization of a 2822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * class. 2832cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 2842cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public static Class<?> forName(String className) throws ClassNotFoundException { 2852cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return forName(className, true, VMStack.getCallingClassLoader()); 2862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 2872cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 2882cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 28971dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * Returns a {@code Class} object which represents the class with 29071dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * the given name. The name should be the name of a non-primitive 29171dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * class, as described in the {@link Class class definition}. 29271dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * Primitive types can not be found using this method; use {@code 29371dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * int.class} or {@code Integer.TYPE} instead. 2942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 2952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <p>If the class has not yet been loaded, it is loaded first, using the given class loader. 2962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * If the class has not yet been initialized and {@code shouldInitialize} is true, 2972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * the class will be initialized. 2982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 29931ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * <p>If the provided {@code classLoader} is {@code null}, the bootstrap 300d5178dc78b33c1d97af57b9ab047aa69717bc039Brian Carlstrom * class loader will be used to load the class. 301d5178dc78b33c1d97af57b9ab047aa69717bc039Brian Carlstrom * 3022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws ClassNotFoundException 3032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if the requested class cannot be found. 3042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws LinkageError 3052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if an error occurs during linkage 3062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws ExceptionInInitializerError 3072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if an exception occurs during static initialization of a 3082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * class. 3092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 3102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public static Class<?> forName(String className, boolean shouldInitialize, 3112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom ClassLoader classLoader) throws ClassNotFoundException { 3122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 3132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (classLoader == null) { 31431ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom classLoader = BootClassLoader.getInstance(); 3152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 3162cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Catch an Exception thrown by the underlying native code. It wraps 3172cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // up everything inside a ClassNotFoundException, even if e.g. an 3182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Error occurred during initialization. This as a workaround for 3192cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // an ExceptionInInitializerError that's also wrapped. It is actually 3202cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // expected to be thrown. Maybe the same goes for other errors. 3212cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Not wrapping up all the errors will break android though. 3222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Class<?> result; 3232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom try { 3242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom result = classForName(className, shouldInitialize, classLoader); 3252cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } catch (ClassNotFoundException e) { 3262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Throwable cause = e.getCause(); 3272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (cause instanceof LinkageError) { 3282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throw (LinkageError) cause; 3292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 3302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throw e; 3312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 3322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result; 3332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 3342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 3352cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom static native Class<?> classForName(String className, boolean shouldInitialize, 3362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom ClassLoader classLoader) throws ClassNotFoundException; 3372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 3382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 33971dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * Returns an array containing {@code Class} objects for all 34071dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * public classes, interfaces, enums and annotations that are 34171dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * members of this class and its superclasses. This does not 34271dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * include classes of implemented interfaces. If there are no 34371dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * such class members or if this object represents a primitive 34471dc4f7d4829335f7aba5414b43d16cd316ba22fBrian Carlstrom * type then an array of length 0 is returned. 3452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 3462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Class<?>[] getClasses() { 3472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom List<Class<?>> result = new ArrayList<Class<?>>(); 3482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (Class<?> c = this; c != null; c = c.superClass) { 3492cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (Class<?> member : c.getDeclaredClasses()) { 3502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (Modifier.isPublic(member.getModifiers())) { 3512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom result.add(member); 3522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 3532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 3542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 3552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result.toArray(new Class[result.size()]); 3562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 3572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 3582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom @Override public <A extends Annotation> A getAnnotation(Class<A> annotationType) { 3592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return AnnotationAccess.getAnnotation(this, annotationType); 3602cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 3612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 3622cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 3632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns an array containing all the annotations of this class. If there are no annotations 3642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * then an empty array is returned. 3652cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 3662cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getDeclaredAnnotations() 3672cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 3682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom @Override public Annotation[] getAnnotations() { 3692cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return AnnotationAccess.getAnnotations(this); 3702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 3712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 3722cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 3732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the canonical name of this class. If this class does not have a 3742cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * canonical name as defined in the Java Language Specification, then the 3752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * method returns {@code null}. 3762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 3772cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public String getCanonicalName() { 3782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (isLocalClass() || isAnonymousClass()) 3792cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 3802cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 3812cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (isArray()) { 3822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /* 3832cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * The canonical name of an array type depends on the (existence of) 3842cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * the component type's canonical name. 3852cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 3862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String name = getComponentType().getCanonicalName(); 3872cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (name != null) { 3882cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return name + "[]"; 3892cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 3902cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else if (isMemberClass()) { 3912cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /* 3922cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * The canonical name of an inner class depends on the (existence 3932cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * of) the declaring class' canonical name. 3942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 3952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String name = getDeclaringClass().getCanonicalName(); 3962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (name != null) { 3972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return name + "." + getSimpleName(); 3982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 3992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else { 4002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /* 4012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * The canonical name of a top-level class or primitive type is 4022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * equal to the fully qualified name. 4032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 4042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return getName(); 4052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 4062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 4072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /* 4082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Other classes don't have a canonical name. 4092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 4102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 4112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 4122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 4132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 4142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the class loader which was used to load the class represented by 4152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * this {@code Class}. Implementations are free to return {@code null} for 4162cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * classes that were loaded by the bootstrap class loader. The Android 4172cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * reference implementation, though, always returns a reference to an actual 4182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * class loader. 4192cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 4202cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public ClassLoader getClassLoader() { 4212cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (this.isPrimitive()) { 4222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 4232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 4242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 425df22ac586a1eab0cfaddd2c62f3b71ed74838b21Andreas Gampe final ClassLoader loader = classLoader; 4262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return loader == null ? BootClassLoader.getInstance() : loader; 4272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 4282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 4292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 4302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns a {@code Class} object which represents the component type if 4312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * this class represents an array type. Returns {@code null} if this class 4322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * does not represent an array type. The component type of an array type is 4332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * the type of the elements of the array. 4342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 4352cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Class<?> getComponentType() { 4362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return componentType; 4372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 4382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 4392cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 4402cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the dex file from which this class was loaded. 4412cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 4422cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @hide 4432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 444a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers public Dex getDex() { 445a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers if (dexCache == null) { 446a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers return null; 447a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 448a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers return dexCache.getDex(); 449a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 4502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 4512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 452a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * Returns a string from the dex cache, computing the string from the dex file if necessary. 4532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 4542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @hide 4552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 4562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public String getDexCacheString(Dex dex, int dexStringIndex) { 4573f58d2cbf86775ac97bddc1a8a0a9658b498d282Vladimir Marko String s = dexCache.getResolvedString(dexStringIndex); 4582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (s == null) { 459a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers s = dex.strings().get(dexStringIndex).intern(); 4603f58d2cbf86775ac97bddc1a8a0a9658b498d282Vladimir Marko dexCache.setResolvedString(dexStringIndex, s); 4612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 4622cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return s; 4632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 4642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 4652cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 466a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * Returns a resolved type from the dex cache, computing the type from the dex file if 467a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * necessary. 4682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 4692cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @hide 4702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 4712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Class<?> getDexCacheType(Dex dex, int dexTypeIndex) { 4723f58d2cbf86775ac97bddc1a8a0a9658b498d282Vladimir Marko Class<?> resolvedType = dexCache.getResolvedType(dexTypeIndex); 4732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (resolvedType == null) { 4742cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom int descriptorIndex = dex.typeIds().get(dexTypeIndex); 4752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String descriptor = getDexCacheString(dex, descriptorIndex); 4762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom resolvedType = InternalNames.getClass(getClassLoader(), descriptor); 4773f58d2cbf86775ac97bddc1a8a0a9658b498d282Vladimir Marko dexCache.setResolvedType(dexTypeIndex, resolvedType); 4782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 4792cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return resolvedType; 4802cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 4812cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 4822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 4832cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns a {@code Constructor} object which represents the public 4842cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * constructor matching the given parameter types. 4852cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * {@code (Class[]) null} is equivalent to the empty array. 4862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 4872cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws NoSuchMethodException 4882cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if the constructor cannot be found. 4892cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getDeclaredConstructor(Class[]) 4902cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 4912cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Constructor<T> getConstructor(Class<?>... parameterTypes) throws NoSuchMethodException { 4922cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return getConstructor(parameterTypes, true); 4932cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 4942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 4952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 4962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns a {@code Constructor} object which represents the constructor 4972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * matching the specified parameter types that is declared by the class 4982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * represented by this {@code Class}. 4992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * {@code (Class[]) null} is equivalent to the empty array. 5002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 5012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws NoSuchMethodException 5022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if the requested constructor cannot be found. 5032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getConstructor(Class[]) 5042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 5052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Constructor<T> getDeclaredConstructor(Class<?>... parameterTypes) 5062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throws NoSuchMethodException { 5072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return getConstructor(parameterTypes, false); 5082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 5092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 5102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 5112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns a constructor with the given parameters. 5122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 5132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @param publicOnly true to only return public constructores. 5142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @param parameterTypes argument types to match the constructor's. 5152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 5162cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private Constructor<T> getConstructor(Class<?>[] parameterTypes, boolean publicOnly) 5172cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throws NoSuchMethodException { 5182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (parameterTypes == null) { 5192cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom parameterTypes = EmptyArray.CLASS; 5202cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 5212cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (Class<?> c : parameterTypes) { 5222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (c == null) { 5232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throw new NoSuchMethodException("parameter type is null"); 5242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 5252cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 5262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Constructor<T> result = getDeclaredConstructorInternal(parameterTypes); 5272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (result == null || publicOnly && !Modifier.isPublic(result.getAccessFlags())) { 5282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throw new NoSuchMethodException("<init> " + Arrays.toString(parameterTypes)); 5292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 5302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result; 5312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 5322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 5332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 53431ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * Returns the constructor with the given parameters if it is defined by this class; 53531ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * {@code null} otherwise. This may return a non-public member. 5362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 5372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @param args the types of the parameters to the constructor. 5382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 539826b803b4da92986bfbe7fc2618c326ccb50c971Mathieu Chartier private native Constructor<T> getDeclaredConstructorInternal(Class<?>[] args); 5402cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 5412cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 5422cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns an array containing {@code Constructor} objects for all public 5432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * constructors for this {@code Class}. If there 5442cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * are no public constructors or if this {@code Class} represents an array 5452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * class, a primitive type or void then an empty array is returned. 5462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 5472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getDeclaredConstructors() 5482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 5492cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Constructor<?>[] getConstructors() { 550826b803b4da92986bfbe7fc2618c326ccb50c971Mathieu Chartier return getDeclaredConstructorsInternal(true); 5512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 5522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 5532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 5542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns an array containing {@code Constructor} objects for all 5552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * constructors declared in the class represented by this {@code Class}. If 5562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * there are no constructors or if this {@code Class} represents an array 5572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * class, a primitive type or void then an empty array is returned. 5582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 5592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getConstructors() 5602cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 5612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Constructor<?>[] getDeclaredConstructors() { 562826b803b4da92986bfbe7fc2618c326ccb50c971Mathieu Chartier return getDeclaredConstructorsInternal(false); 5632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 5642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 565826b803b4da92986bfbe7fc2618c326ccb50c971Mathieu Chartier private native Constructor<?>[] getDeclaredConstructorsInternal(boolean publicOnly); 566826b803b4da92986bfbe7fc2618c326ccb50c971Mathieu Chartier 5672cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 5682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns a {@code Method} object which represents the method matching the 5692cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * specified name and parameter types that is declared by the class 5702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * represented by this {@code Class}. 5712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 5722cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @param name 5732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * the requested method's name. 5742cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @param parameterTypes 5752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * the parameter types of the requested method. 5762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * {@code (Class[]) null} is equivalent to the empty array. 5772cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @return the method described by {@code name} and {@code parameterTypes}. 5782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws NoSuchMethodException 5792cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if the requested constructor cannot be found. 5802cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws NullPointerException 5812cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if {@code name} is {@code null}. 5822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getMethod(String, Class[]) 5832cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 5842cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Method getDeclaredMethod(String name, Class<?>... parameterTypes) 5852cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throws NoSuchMethodException { 5862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return getMethod(name, parameterTypes, false); 5872cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 5882cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 5892cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 5902cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns a {@code Method} object which represents the public method with 5912cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * the specified name and parameter types. 5922cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * {@code (Class[]) null} is equivalent to the empty array. 5932cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * This method first searches the 5942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * class C represented by this {@code Class}, then the superclasses of C and 5952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * finally the interfaces implemented by C and finally the superclasses of C 5962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * for a method with matching name. 5972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 5982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws NoSuchMethodException 5992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if the method cannot be found. 6002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getDeclaredMethod(String, Class[]) 6012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 6022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Method getMethod(String name, Class<?>... parameterTypes) throws NoSuchMethodException { 6032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return getMethod(name, parameterTypes, true); 6042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 60678728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes private Method getMethod(String name, Class<?>[] parameterTypes, boolean recursivePublicMethods) 6072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throws NoSuchMethodException { 6082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (name == null) { 6092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throw new NullPointerException("name == null"); 6102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (parameterTypes == null) { 6122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom parameterTypes = EmptyArray.CLASS; 6132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (Class<?> c : parameterTypes) { 6152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (c == null) { 6162cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throw new NoSuchMethodException("parameter type is null"); 6172cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6192cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Method result = recursivePublicMethods ? getPublicMethodRecursive(name, parameterTypes) 6202cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom : getDeclaredMethodInternal(name, parameterTypes); 6212cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Fail if we didn't find the method or it was expected to be public. 6222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (result == null || 6232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom (recursivePublicMethods && !Modifier.isPublic(result.getAccessFlags()))) { 6242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throw new NoSuchMethodException(name + " " + Arrays.toString(parameterTypes)); 6252cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result; 6272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 6292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private Method getPublicMethodRecursive(String name, Class<?>[] parameterTypes) { 6302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // search superclasses 6312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (Class<?> c = this; c != null; c = c.getSuperclass()) { 6322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Method result = c.getDeclaredMethodInternal(name, parameterTypes); 6332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (result != null && Modifier.isPublic(result.getAccessFlags())) { 6342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result; 6352cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // search iftable which has a flattened and uniqued list of interfaces 6382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Object[] iftable = ifTable; 6392cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (iftable != null) { 6402cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (int i = 0; i < iftable.length; i += 2) { 6412cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Class<?> ifc = (Class<?>) iftable[i]; 6422cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Method result = ifc.getPublicMethodRecursive(name, parameterTypes); 6432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (result != null && Modifier.isPublic(result.getAccessFlags())) { 6442cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result; 6452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 6492cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 6512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 65231ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * Returns the method if it is defined by this class; {@code null} otherwise. This may return a 6532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * non-public member. 6542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 6552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @param name the method name 6562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @param args the method's parameter types 6572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 658826b803b4da92986bfbe7fc2618c326ccb50c971Mathieu Chartier private native Method getDeclaredMethodInternal(String name, Class<?>[] args); 6593f58d2cbf86775ac97bddc1a8a0a9658b498d282Vladimir Marko 6603f58d2cbf86775ac97bddc1a8a0a9658b498d282Vladimir Marko /** 6612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns an array containing {@code Method} objects for all methods 6622cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * declared in the class represented by this {@code Class}. If there are no 6632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * methods or if this {@code Class} represents an array class, a primitive 6642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * type or void then an empty array is returned. 6652cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 6662cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getMethods() 6672cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 6682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Method[] getDeclaredMethods() { 669826b803b4da92986bfbe7fc2618c326ccb50c971Mathieu Chartier Method[] result = getDeclaredMethodsUnchecked(false); 6702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (Method m : result) { 6712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Throw NoClassDefFoundError if types cannot be resolved. 6722cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom m.getReturnType(); 6732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom m.getParameterTypes(); 6742cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result; 6762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 6772cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 6782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 6792cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 6804bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette * Populates a list of methods without performing any security or type 6814bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette * resolution checks first. If no methods exist, the list is not modified. 6824bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette * 6834bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette * @param publicOnly Whether to return only public methods. 6844bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette * @param methods A list to populate with declared methods. 6854bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette * @hide 6862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 687826b803b4da92986bfbe7fc2618c326ccb50c971Mathieu Chartier public native Method[] getDeclaredMethodsUnchecked(boolean publicOnly); 6882cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 6892cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 6902cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns an array containing {@code Method} objects for all public methods 6912cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * for the class C represented by this {@code Class}. Methods may be 6922cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * declared in C, the interfaces it implements or in the superclasses of C. 6932cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * The elements in the returned array are in no particular order. 6942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 6952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <p>If there are no public methods or if this {@code Class} represents a 6962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * primitive type or {@code void} then an empty array is returned. 6972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 6982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getDeclaredMethods() 6992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 7002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Method[] getMethods() { 7012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom List<Method> methods = new ArrayList<Method>(); 7022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom getPublicMethodsInternal(methods); 7032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /* 7042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Remove duplicate methods defined by superclasses and 7052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * interfaces, preferring to keep methods declared by derived 7062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * types. 7072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 7082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom CollectionUtils.removeDuplicates(methods, Method.ORDER_BY_SIGNATURE); 7092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return methods.toArray(new Method[methods.size()]); 7102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 7112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 7122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 7132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Populates {@code result} with public methods defined by this class, its 7142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * superclasses, and all implemented interfaces, including overridden methods. 7152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 7162cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private void getPublicMethodsInternal(List<Method> result) { 717826b803b4da92986bfbe7fc2618c326ccb50c971Mathieu Chartier Collections.addAll(result, getDeclaredMethodsUnchecked(true)); 7182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (!isInterface()) { 7192cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Search superclasses, for interfaces don't search java.lang.Object. 7202cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (Class<?> c = superClass; c != null; c = c.superClass) { 721826b803b4da92986bfbe7fc2618c326ccb50c971Mathieu Chartier Collections.addAll(result, c.getDeclaredMethodsUnchecked(true)); 7222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 7232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 7242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Search iftable which has a flattened and uniqued list of interfaces. 7252cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Object[] iftable = ifTable; 7262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (iftable != null) { 7272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (int i = 0; i < iftable.length; i += 2) { 7282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Class<?> ifc = (Class<?>) iftable[i]; 729826b803b4da92986bfbe7fc2618c326ccb50c971Mathieu Chartier Collections.addAll(result, ifc.getDeclaredMethodsUnchecked(true)); 7302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 7312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 7322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 7332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 7342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 7352cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the annotations that are directly defined on the class 7362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * represented by this {@code Class}. Annotations that are inherited are not 7372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * included in the result. If there are no annotations at all, an empty 7382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * array is returned. 7392cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 7402cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getAnnotations() 7412cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 7422cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom @Override public Annotation[] getDeclaredAnnotations() { 7432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom List<Annotation> result = AnnotationAccess.getDeclaredAnnotations(this); 7442cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result.toArray(new Annotation[result.size()]); 7452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 7462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 7472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 7482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns an array containing {@code Class} objects for all classes, 7492cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * interfaces, enums and annotations that are members of this class. 7502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 7512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Class<?>[] getDeclaredClasses() { 7522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return AnnotationAccess.getMemberClasses(this); 7532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 7542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 7552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 7562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns a {@code Field} object for the field with the given name 7572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * which is declared in the class represented by this {@code Class}. 7582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 7592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws NoSuchFieldException if the requested field can not be found. 7602cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getField(String) 7612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 762eb183cdeab97f7fb25ae804319c1f5a46353dc4fMathieu Chartier public native Field getDeclaredField(String name) throws NoSuchFieldException; 7632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 7642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 7652cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns an array containing {@code Field} objects for all fields declared 7662cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * in the class represented by this {@code Class}. If there are no fields or 7672cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if this {@code Class} represents an array class, a primitive type or void 7682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * then an empty array is returned. 7692cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 7702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getFields() 7712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 772eb183cdeab97f7fb25ae804319c1f5a46353dc4fMathieu Chartier public native Field[] getDeclaredFields(); 7732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 7744bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette /** 7754bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette * Populates a list of fields without performing any security or type 7764bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette * resolution checks first. If no fields exist, the list is not modified. 7774bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette * 7784bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette * @param publicOnly Whether to return only public fields. 7794bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette * @param fields A list to populate with declared fields. 7804bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette * @hide 7814bde7d71a45ca7d79b53d0770dc8cd6cd5469a76Alan Viverette */ 782eb183cdeab97f7fb25ae804319c1f5a46353dc4fMathieu Chartier public native Field[] getDeclaredFieldsUnchecked(boolean publicOnly); 7832cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 7842cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 78531ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * Returns the field if it is defined by this class; {@code null} otherwise. This 7862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * may return a non-public member. 7872cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 788eb183cdeab97f7fb25ae804319c1f5a46353dc4fMathieu Chartier private native Field getDeclaredFieldInternal(String name); 7895346a96c353933579db184a8433fc0cc1e076950Narayan Kamath 7905346a96c353933579db184a8433fc0cc1e076950Narayan Kamath /** 791eb183cdeab97f7fb25ae804319c1f5a46353dc4fMathieu Chartier * Returns the subset of getDeclaredFields which are public. 7925346a96c353933579db184a8433fc0cc1e076950Narayan Kamath */ 793eb183cdeab97f7fb25ae804319c1f5a46353dc4fMathieu Chartier private native Field[] getPublicDeclaredFields(); 7942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 7952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 7962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the class that this class is a member of, or {@code null} if this 7972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * class is a top-level class, a primitive, an array, or defined within a 7982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * method or constructor. 7992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 8002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Class<?> getDeclaringClass() { 8014583b2cee94e9582a6c7a1d715f4896073d03badBrian Carlstrom if (AnnotationAccess.isAnonymousClass(this)) { 8024583b2cee94e9582a6c7a1d715f4896073d03badBrian Carlstrom return null; 8034583b2cee94e9582a6c7a1d715f4896073d03badBrian Carlstrom } 80496caa8ec10a5d64d804a9ed3897c9a34c8626239Brian Carlstrom return AnnotationAccess.getEnclosingClass(this); 8052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 8072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 8082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the class enclosing this class. For most classes this is the same 8092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * as the {@link #getDeclaringClass() declaring class}. For classes defined 8102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * within a method or constructor (typically anonymous inner classes), this 8112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * is the declaring class of that member. 8122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 8132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Class<?> getEnclosingClass() { 8142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Class<?> declaringClass = getDeclaringClass(); 8152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (declaringClass != null) { 8162cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return declaringClass; 8172cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom AccessibleObject member = AnnotationAccess.getEnclosingMethodOrConstructor(this); 81996caa8ec10a5d64d804a9ed3897c9a34c8626239Brian Carlstrom if (member != null) { 82096caa8ec10a5d64d804a9ed3897c9a34c8626239Brian Carlstrom return ((Member) member).getDeclaringClass(); 82196caa8ec10a5d64d804a9ed3897c9a34c8626239Brian Carlstrom } 82296caa8ec10a5d64d804a9ed3897c9a34c8626239Brian Carlstrom return AnnotationAccess.getEnclosingClass(this); 8232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 8252cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 8262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the enclosing {@code Constructor} of this {@code Class}, if it is an 8272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * anonymous or local/automatic class; otherwise {@code null}. 8282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 8292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Constructor<?> getEnclosingConstructor() { 8302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (classNameImpliesTopLevel()) { 8312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 8322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom AccessibleObject result = AnnotationAccess.getEnclosingMethodOrConstructor(this); 8342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result instanceof Constructor ? (Constructor<?>) result : null; 8352cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 8372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 8382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the enclosing {@code Method} of this {@code Class}, if it is an 8392cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * anonymous or local/automatic class; otherwise {@code null}. 8402cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 8412cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Method getEnclosingMethod() { 8422cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (classNameImpliesTopLevel()) { 8432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 8442cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom AccessibleObject result = AnnotationAccess.getEnclosingMethodOrConstructor(this); 8462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result instanceof Method ? (Method) result : null; 8472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 8492cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 8502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns true if this class is definitely a top level class, or false if 8512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * a more expensive check like {@link #getEnclosingClass()} is necessary. 8522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 8532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <p>This is a hack that exploits an implementation detail of all Java 8542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * language compilers: generated names always contain "$". As it is possible 8552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * for a top level class to be named with a "$", a false result <strong>does 8562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * not</strong> indicate that this isn't a top-level class. 8572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 8582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private boolean classNameImpliesTopLevel() { 8592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return !getName().contains("$"); 8602cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 8622cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 8632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the {@code enum} constants associated with this {@code Class}. 8642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns {@code null} if this {@code Class} does not represent an {@code 8652cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * enum} type. 8662cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 8672cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom @SuppressWarnings("unchecked") // we only cast after confirming that this class is an enum 8682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public T[] getEnumConstants() { 8692cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (!isEnum()) { 8702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 8712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8722cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return (T[]) Enum.getSharedConstants((Class) this).clone(); 8732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8742cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 8752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 8762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns a {@code Field} object which represents the public field with the 8772cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * given name. This method first searches the class C represented by 8782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * this {@code Class}, then the interfaces implemented by C and finally the 8792cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * superclasses of C. 8802cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 8812cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws NoSuchFieldException 8822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if the field cannot be found. 8832cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getDeclaredField(String) 8842cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 8852cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Field getField(String name) throws NoSuchFieldException { 8862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (name == null) { 8872cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throw new NullPointerException("name == null"); 8882cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8892cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Field result = getPublicFieldRecursive(name); 8902cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (result == null) { 8912cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throw new NoSuchFieldException(name); 8922cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8932cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result; 8942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 8952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 8962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private Field getPublicFieldRecursive(String name) { 8972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // search superclasses 8982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (Class<?> c = this; c != null; c = c.superClass) { 8992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Field result = c.getDeclaredFieldInternal(name); 9002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (result != null && (result.getModifiers() & Modifier.PUBLIC) != 0) { 9012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result; 9022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 9052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // search iftable which has a flattened and uniqued list of interfaces 9062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (ifTable != null) { 9072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (int i = 0; i < ifTable.length; i += 2) { 908eb183cdeab97f7fb25ae804319c1f5a46353dc4fMathieu Chartier Field result = ((Class<?>) ifTable[i]).getPublicFieldRecursive(name); 9092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (result != null && (result.getModifiers() & Modifier.PUBLIC) != 0) { 9102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return result; 9112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 9152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 9162cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9172cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 9182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 9192cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns an array containing {@code Field} objects for all public fields 9202cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * for the class C represented by this {@code Class}. Fields may be declared 9212cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * in C, the interfaces it implements or in the superclasses of C. The 9222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * elements in the returned array are in no particular order. 9232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 9242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <p>If there are no public fields or if this class represents an array class, 9252cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * a primitive type or {@code void} then an empty array is returned. 9262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 9272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see #getDeclaredFields() 9282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 9292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Field[] getFields() { 9302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom List<Field> fields = new ArrayList<Field>(); 9312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom getPublicFieldsRecursive(fields); 932eb183cdeab97f7fb25ae804319c1f5a46353dc4fMathieu Chartier return fields.toArray(new Field[fields.size()]); 9332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 9352cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 9362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Populates {@code result} with public fields defined by this class, its 9372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * superclasses, and all implemented interfaces. 9382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 9392cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private void getPublicFieldsRecursive(List<Field> result) { 9402cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // search superclasses 9412cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (Class<?> c = this; c != null; c = c.superClass) { 942eb183cdeab97f7fb25ae804319c1f5a46353dc4fMathieu Chartier Collections.addAll(result, c.getPublicDeclaredFields()); 9432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9442cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 9452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // search iftable which has a flattened and uniqued list of interfaces 9462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Object[] iftable = ifTable; 9472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (iftable != null) { 9482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (int i = 0; i < iftable.length; i += 2) { 949eb183cdeab97f7fb25ae804319c1f5a46353dc4fMathieu Chartier Collections.addAll(result, ((Class<?>) iftable[i]).getPublicDeclaredFields()); 9502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 9542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 9552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the {@link Type}s of the interfaces that this {@code Class} directly 9562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * implements. If the {@code Class} represents a primitive type or {@code 9572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * void} then an empty array is returned. 9582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 9592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Type[] getGenericInterfaces() { 960a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers Type[] result; 961a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers synchronized (Caches.genericInterfaces) { 962a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers result = Caches.genericInterfaces.get(this); 963a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers if (result == null) { 964a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers String annotationSignature = AnnotationAccess.getSignature(this); 965a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers if (annotationSignature == null) { 966a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers result = getInterfaces(); 967a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } else { 968a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers GenericSignatureParser parser = new GenericSignatureParser(getClassLoader()); 969a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers parser.parseForClass(this, annotationSignature); 970a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers result = Types.getTypeArray(parser.interfaceTypes, false); 971a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 972a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers Caches.genericInterfaces.put(this, result); 973a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 974d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers } 975a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers return (result.length == 0) ? result : result.clone(); 9762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9772cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 9782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 9792cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the {@code Type} that represents the superclass of this {@code 9802cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * class}. 9812cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 9822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Type getGenericSuperclass() { 983d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers Type genericSuperclass = getSuperclass(); 9843b8c8cba4defe9049aca66d505e509395e5485f5Narayan Kamath // This method is specified to return null for all cases where getSuperclass 9853b8c8cba4defe9049aca66d505e509395e5485f5Narayan Kamath // returns null, i.e, for primitives, interfaces, void and java.lang.Object. 9863b8c8cba4defe9049aca66d505e509395e5485f5Narayan Kamath if (genericSuperclass == null) { 9873b8c8cba4defe9049aca66d505e509395e5485f5Narayan Kamath return null; 9883b8c8cba4defe9049aca66d505e509395e5485f5Narayan Kamath } 9893b8c8cba4defe9049aca66d505e509395e5485f5Narayan Kamath 990d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers String annotationSignature = AnnotationAccess.getSignature(this); 991d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers if (annotationSignature != null) { 992d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers GenericSignatureParser parser = new GenericSignatureParser(getClassLoader()); 993d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers parser.parseForClass(this, annotationSignature); 994d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers genericSuperclass = parser.superclassType; 995d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers } 996d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers return Types.getType(genericSuperclass); 9972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 9982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 9992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 10002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns an array of {@code Class} objects that match the interfaces 10012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * in the {@code implements} declaration of the class represented 10022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * by this {@code Class}. The order of the elements in the array is 10032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * identical to the order in the original class declaration. If the class 10042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * does not implement any interfaces, an empty array is returned. 10052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 10062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * <p>This method only returns directly-implemented interfaces, and does not 10072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * include interfaces implemented by superclasses or superinterfaces of any 10082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * implemented interfaces. 10092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 10102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Class<?>[] getInterfaces() { 10112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (isArray()) { 10122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return new Class<?>[] { Cloneable.class, Serializable.class }; 10132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else if (isProxy()) { 10142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return getProxyInterfaces(); 10152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 1016a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers Dex dex = getDex(); 1017a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers if (dex == null) { 1018a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers return EmptyArray.CLASS; 1019a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 1020a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers short[] interfaces = dex.interfaceTypeIndicesFromClassDefIndex(dexClassDefIndex); 1021a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers Class<?>[] result = new Class<?>[interfaces.length]; 1022a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers for (int i = 0; i < interfaces.length; i++) { 1023a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers result[i] = getDexCacheType(dex, interfaces[i]); 1024a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 1025a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers return result; 10262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 10272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 10282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Returns the interfaces that this proxy class directly implements. 10292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private native Class<?>[] getProxyInterfaces(); 10302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 10312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 10322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns an integer that represents the modifiers of the class represented 10332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * by this {@code Class}. The returned value is a combination of bits 10342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * defined by constants in the {@link Modifier} class. 10352cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 10362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public int getModifiers() { 103778728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes // Array classes inherit modifiers from their component types, but in the case of arrays 103878728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes // of an inner class, the class file may contain "fake" access flags because it's not valid 103978728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes // for a top-level class to private, say. The real access flags are stored in the InnerClass 104078728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes // attribute, so we need to make sure we drill down to the inner class: the accessFlags 104178728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes // field is not the value we want to return, and the synthesized array class does not itself 104278728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes // have an InnerClass attribute. https://code.google.com/p/android/issues/detail?id=56267 104378728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes if (isArray()) { 104478728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes int componentModifiers = getComponentType().getModifiers(); 104578728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes if ((componentModifiers & Modifier.INTERFACE) != 0) { 104678728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes componentModifiers &= ~(Modifier.INTERFACE | Modifier.STATIC); 104778728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes } 104878728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes return Modifier.ABSTRACT | Modifier.FINAL | componentModifiers; 104978728ebce868f5949739e6e204e3e0fbf0356f8dElliott Hughes } 10502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom int JAVA_FLAGS_MASK = 0xffff; 10512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom int modifiers = AnnotationAccess.getInnerClassFlags(this, accessFlags & JAVA_FLAGS_MASK); 10522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return modifiers & JAVA_FLAGS_MASK; 10532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 10542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 10552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 10562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the name of the class represented by this {@code Class}. For a 10572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * description of the format which is used, see the class definition of 10582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * {@link Class}. 10592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 10602cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public String getName() { 10612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String result = name; 10622cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return (result == null) ? (name = getNameNative()) : result; 10632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 10642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 10652cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private native String getNameNative(); 10662cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 10672cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 10682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the simple name of the class represented by this {@code Class} as 10692cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * defined in the source code. If there is no name (that is, the class is 10702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * anonymous) then an empty string is returned. If the receiver is an array 10712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * then the name of the underlying type with square braces appended (for 10722cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * example {@code "Integer[]"}) is returned. 10732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 10742cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @return the simple name of the class represented by this {@code Class}. 10752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 10762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public String getSimpleName() { 10772cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (isArray()) { 10782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return getComponentType().getSimpleName() + "[]"; 10792cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 10802cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 10812cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (isAnonymousClass()) { 10822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return ""; 10832cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 10842cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 10852cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (isMemberClass() || isLocalClass()) { 10862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return getInnerClassName(); 10872cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 10882cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 10892cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String name = getName(); 10902cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom int dot = name.lastIndexOf('.'); 10912cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (dot != -1) { 10922cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return name.substring(dot + 1); 10932cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 10942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 10952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return name; 10962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 10972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 10982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 109931ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * Returns the simple name of a member or local class, or {@code null} otherwise. 11002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 11012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private String getInnerClassName() { 11022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return AnnotationAccess.getInnerClassName(this); 11032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 11042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 11052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 110631ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * Returns {@code null}. 11072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 11082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public ProtectionDomain getProtectionDomain() { 11092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 11102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 11112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 11122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 111331ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * Returns the URL of the given resource, or {@code null} if the resource is not found. 11142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * The mapping between the resource name and the URL is managed by the class' class loader. 11152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 11162cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see ClassLoader 11172cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 11182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public URL getResource(String resourceName) { 11192cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Get absolute resource name, but without the leading slash 11202cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (resourceName.startsWith("/")) { 11212cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom resourceName = resourceName.substring(1); 11222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else { 11232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String pkg = getName(); 11242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom int dot = pkg.lastIndexOf('.'); 11252cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (dot != -1) { 11262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom pkg = pkg.substring(0, dot).replace('.', '/'); 11272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else { 11282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom pkg = ""; 11292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 11302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 11312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom resourceName = pkg + "/" + resourceName; 11322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 11332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 11342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Delegate to proper class loader 11352cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom ClassLoader loader = getClassLoader(); 11362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (loader != null) { 11372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return loader.getResource(resourceName); 11382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else { 11392cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return ClassLoader.getSystemResource(resourceName); 11402cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 11412cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 11422cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 11432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 114431ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * Returns a read-only stream for the contents of the given resource, or {@code null} if the 114531ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * resource is not found. 11462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * The mapping between the resource name and the stream is managed by the class' class loader. 11472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 11482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @see ClassLoader 11492cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 11502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public InputStream getResourceAsStream(String resourceName) { 11512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Get absolute resource name, but without the leading slash 11522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (resourceName.startsWith("/")) { 11532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom resourceName = resourceName.substring(1); 11542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else { 11552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String pkg = getName(); 11562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom int dot = pkg.lastIndexOf('.'); 11572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (dot != -1) { 11582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom pkg = pkg.substring(0, dot).replace('.', '/'); 11592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else { 11602cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom pkg = ""; 11612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 11622cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 11632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom resourceName = pkg + "/" + resourceName; 11642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 11652cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 11662cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Delegate to proper class loader 11672cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom ClassLoader loader = getClassLoader(); 11682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (loader != null) { 11692cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return loader.getResourceAsStream(resourceName); 11702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else { 11712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return ClassLoader.getSystemResourceAsStream(resourceName); 11722cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 11732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 11742cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 11752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 117631ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * Returns {@code null}. (On Android, a {@code ClassLoader} can load classes from multiple dex 117731ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * files. All classes from any given dex file will have the same signers, but different dex 11782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * files may have different signers. This does not fit well with the original 11792cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * {@code ClassLoader}-based model of {@code getSigners}.) 11802cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 11812cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Object[] getSigners() { 11822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // See http://code.google.com/p/android/issues/detail?id=1766. 11832cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 11842cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 11852cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 11862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 11872cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the {@code Class} object which represents the superclass of the 11882cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * class represented by this {@code Class}. If this {@code Class} represents 11892cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * the {@code Object} class, a primitive type, an interface or void then the 11902cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * method returns {@code null}. If this {@code Class} represents an array 11912cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * class then the {@code Object} class is returned. 11922cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 11932cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Class<? super T> getSuperclass() { 11942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // For interfaces superClass is Object (which agrees with the JNI spec) 11952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // but not with the expected behavior here. 11962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (isInterface()) { 11972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 11982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else { 11992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return superClass; 12002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 12032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 12042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns an array containing {@code TypeVariable} objects for type 12052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * variables declared by the generic class represented by this {@code 12062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Class}. Returns an empty array if the class is not generic. 12072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 12082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom @SuppressWarnings("unchecked") 12092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom @Override public synchronized TypeVariable<Class<T>>[] getTypeParameters() { 1210d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers String annotationSignature = AnnotationAccess.getSignature(this); 1211d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers if (annotationSignature == null) { 1212d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers return EmptyArray.TYPE_VARIABLE; 1213d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers } 12142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom GenericSignatureParser parser = new GenericSignatureParser(getClassLoader()); 1215d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers parser.parseForClass(this, annotationSignature); 1216d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers return parser.formalTypeParameters; 12172cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 12192cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 12202cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Tests whether this {@code Class} represents an annotation class. 12212cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 12222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isAnnotation() { 12232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom final int ACC_ANNOTATION = 0x2000; // not public in reflect.Modifier 12242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return (accessFlags & ACC_ANNOTATION) != 0; 12252cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 12272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom @Override public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) { 12282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return AnnotationAccess.isAnnotationPresent(this, annotationType); 12292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 12312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 12322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Tests whether the class represented by this {@code Class} is 12332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * anonymous. 12342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 12352cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isAnonymousClass() { 12362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return AnnotationAccess.isAnonymousClass(this); 12372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 12392cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 12402cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Tests whether the class represented by this {@code Class} is an array class. 12412cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 12422cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isArray() { 12432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return getComponentType() != null; 12442cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 12462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 12472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Is this a runtime created proxy class? 12482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 12492cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @hide 12502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 12512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isProxy() { 12522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return (accessFlags & 0x00040000) != 0; 12532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 12552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 12562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Can {@code c} be assigned to this class? For example, String can be assigned to Object 12572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * (by an upcast), however, an Object cannot be assigned to a String as a potentially exception 12582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * throwing downcast would be necessary. Similarly for interfaces, a class that implements (or 12592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * an interface that extends) another can be assigned to its parent, but not vice-versa. All 12602cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Classes may assign to themselves. Classes for primitive types may not assign to each other. 12612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 12622cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @param c the class to check. 12632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @return {@code true} if {@code c} can be assigned to the class 12642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * represented by this {@code Class}; {@code false} otherwise. 12652cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws NullPointerException if {@code c} is {@code null}. 12662cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 12672cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isAssignableFrom(Class<?> c) { 12682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (this == c) { 12692cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return true; // Can always assign to things of the same type. 12702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else if (this == Object.class) { 12712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return !c.isPrimitive(); // Can assign any reference to java.lang.Object. 12722cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else if (isArray()) { 12732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return c.isArray() && componentType.isAssignableFrom(c.componentType); 12742cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else if (isInterface()) { 12752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom // Search iftable which has a flattened and uniqued list of interfaces. 12762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom Object[] iftable = c.ifTable; 12772cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (iftable != null) { 12782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (int i = 0; i < iftable.length; i += 2) { 127986ea497b965fe86d084e109e6d2d1ff560e8f4bfJeff Hao if (iftable[i] == this) { 12802cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return true; 12812cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12832cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12842cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return false; 12852cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else { 12862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (!c.isInterface()) { 12872cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (c = c.superClass; c != null; c = c.superClass) { 12882cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (c == this) { 12892cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return true; 12902cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12912cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12922cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12932cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return false; 12942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 12962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 12972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 12982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Tests whether the class represented by this {@code Class} is an 12992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * {@code enum}. 13002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 13012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isEnum() { 1302a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers return (getSuperclass() == Enum.class) && ((accessFlags & 0x4000) != 0); 13032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 13042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 13052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 13062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Tests whether the given object can be cast to the class 13072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * represented by this {@code Class}. This is the runtime version of the 13082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * {@code instanceof} operator. 13092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 13102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @return {@code true} if {@code object} can be cast to the type 13112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * represented by this {@code Class}; {@code false} if {@code 13122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * object} is {@code null} or cannot be cast. 13132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 13142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isInstance(Object object) { 13152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (object == null) { 13162cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return false; 13172cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 13182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return isAssignableFrom(object.getClass()); 13192cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 13202cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 13212cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 13222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Tests whether this {@code Class} represents an interface. 13232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 13242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isInterface() { 13252cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return (accessFlags & Modifier.INTERFACE) != 0; 13262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 13272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 13282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 13292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Tests whether the class represented by this {@code Class} is defined 13302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * locally. 13312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 13322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isLocalClass() { 13332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return !classNameImpliesTopLevel() 13342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom && AnnotationAccess.getEnclosingMethodOrConstructor(this) != null 13352cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom && !isAnonymousClass(); 13362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 13372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 13382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 13392cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Tests whether the class represented by this {@code Class} is a member 13402cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * class. 13412cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 13422cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isMemberClass() { 13432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return getDeclaringClass() != null; 13442cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 13452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 13462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 13472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Tests whether this {@code Class} represents a primitive type. 13482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 13492cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isPrimitive() { 1350c519ec27ba900d5422c5a0d40388fb6620981564Hiroshi Yamauchi return (primitiveType & 0xFFFF) != 0; 13512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 13522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 13532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 13542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Tests whether this {@code Class} represents a synthetic type. 13552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 13562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isSynthetic() { 13572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom final int ACC_SYNTHETIC = 0x1000; // not public in reflect.Modifier 13582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return (accessFlags & ACC_SYNTHETIC) != 0; 13592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 13602cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 13612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 13622cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Indicates whether this {@code Class} or its parents override finalize. 13632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 13642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @hide 13652cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 13662cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean isFinalizable() { 13672cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom final int ACC_CLASS_IS_FINALIZABLE = 0x80000000; // not public in reflect.Modifier 13682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return (accessFlags & ACC_CLASS_IS_FINALIZABLE) != 0; 13692cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 13702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 13712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 13722cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns a new instance of the class represented by this {@code Class}, 13732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * created by invoking the default (that is, zero-argument) constructor. If 13742cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * there is no such constructor, or if the creation fails (either because of 13752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * a lack of available memory or because an exception is thrown by the 13762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * constructor), an {@code InstantiationException} is thrown. If the default 13772cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * constructor exists but is not accessible from the context where this 13782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * method is invoked, an {@code IllegalAccessException} is thrown. 13792cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 13802cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws IllegalAccessException 13812cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if the default constructor is not visible. 13822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws InstantiationException 13832cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if the instance cannot be created. 13842cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 13852abeaa62bbba16960e3d824745b77705478f8450Mathieu Chartier public native T newInstance() throws InstantiationException, IllegalAccessException; 13862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 13872cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private boolean canAccess(Class<?> c) { 13882cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if(Modifier.isPublic(c.accessFlags)) { 13892cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return true; 13902cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 13912cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return inSamePackage(c); 13922cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 13932cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 13942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private boolean canAccessMember(Class<?> memberClass, int memberModifiers) { 13952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (memberClass == this || Modifier.isPublic(memberModifiers)) { 13962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return true; 13972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 13982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (Modifier.isPrivate(memberModifiers)) { 13992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return false; 14002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (Modifier.isProtected(memberModifiers)) { 14022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom for (Class<?> parent = this.superClass; parent != null; parent = parent.superClass) { 14032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (parent == memberClass) { 14042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return true; 14052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return inSamePackage(memberClass); 14092cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 14112cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom private boolean inSamePackage(Class<?> c) { 14122cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (classLoader != c.classLoader) { 14132cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return false; 14142cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14152cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String packageName1 = getPackageName$(); 14162cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String packageName2 = c.getPackageName$(); 14172cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (packageName1 == null) { 14182cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return packageName2 == null; 14192cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else if (packageName2 == null) { 14202cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return false; 14212cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else { 14222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return packageName1.equals(packageName2); 14232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14242cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14252cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 14262cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom @Override 14272cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public String toString() { 14282cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (isPrimitive()) { 14292cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return getSimpleName(); 14302cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else { 14312cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return (isInterface() ? "interface " : "class ") + getName(); 14322cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14332cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14342cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 14352cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 14362cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the {@code Package} of which the class represented by this 14372cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * {@code Class} is a member. Returns {@code null} if no {@code Package} 14382cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * object was created by the class loader of the class. 14392cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 14402cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public Package getPackage() { 1441d5178dc78b33c1d97af57b9ab047aa69717bc039Brian Carlstrom // TODO This might be a hack, but the runtime doesn't have the necessary info. 14422cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom ClassLoader loader = getClassLoader(); 14432cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (loader != null) { 14442cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String packageName = getPackageName$(); 14452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return packageName != null ? loader.getPackage(packageName) : null; 14462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 14482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14492cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 14502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 145131ae6d22605a0967d722f935bc3a8b868ada4917Brian Carlstrom * Returns the package name of this class. This returns {@code null} for classes in 14522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * the default package. 14532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 14542cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @hide 14552cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 14562cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public String getPackageName$() { 14572cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String name = getName(); 14582cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom int last = name.lastIndexOf('.'); 14592cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return last == -1 ? null : name.substring(0, last); 14602cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14612cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 14622cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 14632cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Returns the assertion status for the class represented by this {@code 14642cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Class}. Assertion is enabled / disabled based on the class loader, 14652cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * package or class default at runtime. 14662cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 14672cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public boolean desiredAssertionStatus() { 14682cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return false; 14692cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14702cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 14712cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 14722cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Casts this {@code Class} to represent a subclass of the given class. 14732cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * If successful, this {@code Class} is returned; otherwise a {@code 14742cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * ClassCastException} is thrown. 14752cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 14762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws ClassCastException 14772cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if this {@code Class} cannot be cast to the given type. 14782cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 14792cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom @SuppressWarnings("unchecked") 14802cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public <U> Class<? extends U> asSubclass(Class<U> c) { 14812cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (c.isAssignableFrom(this)) { 14822cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return (Class<? extends U>)this; 14832cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14842cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String actualClassName = this.getName(); 14852cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String desiredClassName = c.getName(); 14862cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throw new ClassCastException(actualClassName + " cannot be cast to " + desiredClassName); 14872cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 14882cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 14892cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 14902cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * Casts the given object to the type represented by this {@code Class}. 14912cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * If the object is {@code null} then the result is also {@code null}. 14922cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 14932cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @throws ClassCastException 14942cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * if the object cannot be cast to the given type. 14952cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 14962cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom @SuppressWarnings("unchecked") 14972cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom public T cast(Object obj) { 14982cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom if (obj == null) { 14992cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return null; 15002cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } else if (this.isInstance(obj)) { 15012cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom return (T)obj; 15022cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 15032cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String actualClassName = obj.getClass().getName(); 15042cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom String desiredClassName = this.getName(); 15052cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom throw new ClassCastException(actualClassName + " cannot be cast to " + desiredClassName); 15062cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 15072cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 15082cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 1509a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * The class def of this class in its own Dex, or -1 if there is no class def. 15102cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 1511a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * @hide 1512a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers */ 1513a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers public int getDexClassDefIndex() { 1514a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers return (dexClassDefIndex == 65535) ? -1 : dexClassDefIndex; 1515a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 1516a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers 1517a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers /** 1518a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * The type index of this class in its own Dex, or -1 if it is unknown. If a class is referenced 1519a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * by multiple Dex files, it will have a different type index in each. Dex files support 65534 1520a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * type indices, with 65535 representing no index. 15212cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 15222cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @hide 15232cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 1524a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers public int getDexTypeIndex() { 1525a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers int typeIndex = dexTypeIndex; 1526a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers if (typeIndex != 65535) { 1527a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers return typeIndex; 1528a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 1529a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers synchronized (this) { 1530a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers typeIndex = dexTypeIndex; 1531a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers if (typeIndex == 65535) { 1532a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers if (dexClassDefIndex >= 0) { 1533a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers typeIndex = getDex().typeIndexFromClassDefIndex(dexClassDefIndex); 1534a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } else { 1535a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers typeIndex = getDex().findTypeIndex(InternalNames.getInternalName(this)); 1536a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers if (typeIndex < 0) { 1537a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers typeIndex = -1; 1538a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 1539a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 1540a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers dexTypeIndex = typeIndex; 1541a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 15422cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 1543a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers return typeIndex; 15442cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom } 15452cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom 15462cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom /** 15472cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * The annotation directory offset of this class in its own Dex, or 0 if it 15482cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * is unknown. 15492cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 15502cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * TODO: 0 is a sentinel that means 'no annotations directory'; this should be -1 if unknown 15512cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * 15522cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom * @hide 15532cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom */ 1554a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers public int getDexAnnotationDirectoryOffset() { 1555a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers Dex dex = getDex(); 1556a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers if (dex == null) { 1557a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers return 0; 1558a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 1559a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers int classDefIndex = getDexClassDefIndex(); 1560a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers if (classDefIndex < 0) { 1561a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers return 0; 1562a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 1563a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers return dex.annotationDirectoryOffsetFromClassDefIndex(classDefIndex); 1564a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 1565d4ec55c4e1acc3c3df937facbd367aff6618536cIan Rogers 1566a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers private static class Caches { 1567a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers /** 1568a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * Cache to avoid frequent recalculation of generic interfaces, which is generally uncommon. 1569a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * Sized sufficient to allow ConcurrentHashMapTest to run without recalculating its generic 1570a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * interfaces (required to avoid time outs). Validated by running reflection heavy code 1571a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers * such as applications using Guice-like frameworks. 1572a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers */ 1573a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers private static final BasicLruCache<Class, Type[]> genericInterfaces 1574a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers = new BasicLruCache<Class, Type[]>(8); 1575a6e22fc9b70ebe39abd716ce37450bda935c0fb8Ian Rogers } 15762cf03dc15c40b92634ff606694af5a6e9aa4db09Brian Carlstrom} 1577