/* * Copyright 2013, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.jf.dexlib2.analysis.reflection; import com.google.common.base.Function; import com.google.common.base.Predicate; import com.google.common.collect.ImmutableList; import com.google.common.collect.ImmutableSet; import com.google.common.collect.Iterators; import org.jf.dexlib2.analysis.reflection.util.ReflectionUtils; import org.jf.dexlib2.base.reference.BaseTypeReference; import org.jf.dexlib2.iface.Annotation; import org.jf.dexlib2.iface.ClassDef; import org.jf.dexlib2.iface.Field; import org.jf.dexlib2.iface.Method; import javax.annotation.Nonnull; import javax.annotation.Nullable; import java.lang.reflect.Constructor; import java.lang.reflect.Modifier; import java.util.AbstractSet; import java.util.Iterator; import java.util.List; import java.util.Set; /** * Wraps a ClassDef around a class loaded in the current VM * * Only supports the basic information exposed by ClassProto */ public class ReflectionClassDef extends BaseTypeReference implements ClassDef { private final Class cls; public ReflectionClassDef(Class cls) { this.cls = cls; } @Override public int getAccessFlags() { // the java modifiers appear to be the same as the dex access flags return cls.getModifiers(); } @Nullable @Override public String getSuperclass() { if (Modifier.isInterface(cls.getModifiers())) { return "Ljava/lang/Object;"; } Class superClass = cls.getSuperclass(); if (superClass == null) { return null; } return ReflectionUtils.javaToDexName(superClass.getName()); } @Nonnull @Override public List<String> getInterfaces() { return ImmutableList.copyOf(Iterators.transform(Iterators.forArray(cls.getInterfaces()), new Function<Class, String>() { @Nullable @Override public String apply(@Nullable Class input) { if (input == null) { return null; } return ReflectionUtils.javaToDexName(input.getName()); } })); } @Nullable @Override public String getSourceFile() { return null; } @Nonnull @Override public Set<? extends Annotation> getAnnotations() { return ImmutableSet.of(); } @Nonnull @Override public Iterable<? extends Field> getStaticFields() { return new Iterable<Field>() { @Nonnull @Override public Iterator<Field> iterator() { Iterator<java.lang.reflect.Field> staticFields = Iterators.filter( Iterators.forArray(cls.getDeclaredFields()), new Predicate<java.lang.reflect.Field>() { @Override public boolean apply(@Nullable java.lang.reflect.Field input) { return input!=null && Modifier.isStatic(input.getModifiers()); } }); return Iterators.transform(staticFields, new Function<java.lang.reflect.Field, Field>() { @Nullable @Override public Field apply(@Nullable java.lang.reflect.Field input) { return new ReflectionField(input); } } ); } }; } @Nonnull @Override public Iterable<? extends Field> getInstanceFields() { return new Iterable<Field>() { @Nonnull @Override public Iterator<Field> iterator() { Iterator<java.lang.reflect.Field> staticFields = Iterators.filter( Iterators.forArray(cls.getDeclaredFields()), new Predicate<java.lang.reflect.Field>() { @Override public boolean apply(@Nullable java.lang.reflect.Field input) { return input!=null && !Modifier.isStatic(input.getModifiers()); } }); return Iterators.transform(staticFields, new Function<java.lang.reflect.Field, Field>() { @Nullable @Override public Field apply(@Nullable java.lang.reflect.Field input) { return new ReflectionField(input); } } ); } }; } @Nonnull @Override public Set<? extends Field> getFields() { return new AbstractSet<Field>() { @Nonnull @Override public Iterator<Field> iterator() { return Iterators.transform(Iterators.forArray(cls.getDeclaredFields()), new Function<java.lang.reflect.Field, Field>() { @Nullable @Override public Field apply(@Nullable java.lang.reflect.Field input) { return new ReflectionField(input); } }); } @Override public int size() { return cls.getDeclaredFields().length; } }; } private static final int DIRECT_MODIFIERS = Modifier.PRIVATE | Modifier.STATIC; @Nonnull @Override public Iterable<? extends Method> getDirectMethods() { return new Iterable<Method>() { @Nonnull @Override public Iterator<Method> iterator() { Iterator<Method> constructorIterator = Iterators.transform(Iterators.forArray(cls.getDeclaredConstructors()), new Function<Constructor, Method>() { @Nullable @Override public Method apply(@Nullable Constructor input) { return new ReflectionConstructor(input); } }); Iterator<java.lang.reflect.Method> directMethods = Iterators.filter( Iterators.forArray(cls.getDeclaredMethods()), new Predicate<java.lang.reflect.Method>() { @Override public boolean apply(@Nullable java.lang.reflect.Method input) { return input != null && (input.getModifiers() & DIRECT_MODIFIERS) != 0; } }); Iterator<Method> methodIterator = Iterators.transform(directMethods, new Function<java.lang.reflect.Method, Method>() { @Nullable @Override public Method apply(@Nullable java.lang.reflect.Method input) { return new ReflectionMethod(input); } }); return Iterators.concat(constructorIterator, methodIterator); } }; } @Nonnull @Override public Iterable<? extends Method> getVirtualMethods() { return new Iterable<Method>() { @Nonnull @Override public Iterator<Method> iterator() { Iterator<java.lang.reflect.Method> directMethods = Iterators.filter( Iterators.forArray(cls.getDeclaredMethods()), new Predicate<java.lang.reflect.Method>() { @Override public boolean apply(@Nullable java.lang.reflect.Method input) { return input != null && (input.getModifiers() & DIRECT_MODIFIERS) == 0; } }); return Iterators.transform(directMethods, new Function<java.lang.reflect.Method, Method>() { @Nullable @Override public Method apply(@Nullable java.lang.reflect.Method input) { return new ReflectionMethod(input); } }); } }; } @Nonnull @Override public Set<? extends Method> getMethods() { return new AbstractSet<Method>() { @Nonnull @Override public Iterator<Method> iterator() { Iterator<Method> constructorIterator = Iterators.transform(Iterators.forArray(cls.getDeclaredConstructors()), new Function<Constructor, Method>() { @Nullable @Override public Method apply(@Nullable Constructor input) { return new ReflectionConstructor(input); } }); Iterator<Method> methodIterator = Iterators.transform(Iterators.forArray(cls.getDeclaredMethods()), new Function<java.lang.reflect.Method, Method>() { @Nullable @Override public Method apply(@Nullable java.lang.reflect.Method input) { return new ReflectionMethod(input); } }); return Iterators.concat(constructorIterator, methodIterator); } @Override public int size() { return cls.getDeclaredMethods().length + cls.getDeclaredConstructors().length; } }; } @Nonnull @Override public String getType() { return ReflectionUtils.javaToDexName(cls.getName()); } }