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package org.jf.dexlib2.analysis.reflection;
import com.google.common.base.Function;
import com.google.common.base.Predicate;
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.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 Set<String> getInterfaces() {
return new AbstractSet<String>() {
@Nonnull @Override public Iterator<String> iterator() {
return 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());
}
});
}
@Override public int size() {
return cls.getInterfaces().length;
}
};
}
@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());
}
}