/*
* Copyright ( C ) 2008 The Android Open Source Project
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#include "java_lang_reflect_Method.h"
#include "nativehelper/jni_macros.h"
#include "art_method-inl.h"
#include "base/pointer_size.h"
#include "class_linker-inl.h"
#include "class_linker.h"
#include "class_root-inl.h"
#include "dex/dex_file_annotations.h"
#include "jni/jni_internal.h"
#include "mirror/class-inl.h"
#include "mirror/object-inl.h"
#include "mirror/object_array-alloc-inl.h"
#include "native_util.h"
#include "reflection.h"
#include "scoped_fast_native_object_access-inl.h"
namespace art HIDDEN {
static jobject Method_getDefaultValue(JNIEnv* env, jobject javaMethod) {
ScopedFastNativeObjectAccess soa(env);
ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
if (!method->GetDeclaringClass()->IsAnnotation()) {
return nullptr;
}
return soa.AddLocalReference<jobject>(annotations::GetAnnotationDefaultValue(method));
}
static jobjectArray Method_getExceptionTypes(JNIEnv* env, jobject javaMethod) {
ScopedFastNativeObjectAccess soa(env);
ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
if (method->GetDeclaringClass()->IsProxyClass()) {
ObjPtr<mirror::Class > klass = method->GetDeclaringClass();
size_t throws_index = klass->GetProxyThrowsIndex(method);
DCHECK_NE(throws_index, static_cast <size_t>(-1 ));
StackHandleScope<1 u> hs(soa.Self());
Handle<mirror::ObjectArray<mirror::Class >> declared_exceptions =
hs.NewHandle(klass->GetProxyThrows()->Get(throws_index));
return soa.AddLocalReference<jobjectArray>(
mirror::ObjectArray<mirror::Class >::Clone(declared_exceptions, soa.Self()));
} else {
ObjPtr<mirror::ObjectArray<mirror::Class >> result_array =
annotations::GetExceptionTypesForMethod(method);
if (result_array == nullptr) {
// Return an empty array instead of a null pointer
ObjPtr<mirror::Class > class_array_class = GetClassRoot<mirror::ObjectArray<mirror::Class >>();
DCHECK(class_array_class != nullptr);
ObjPtr<mirror::ObjectArray<mirror::Class >> empty_array =
mirror::ObjectArray<mirror::Class >::Alloc(soa.Self(), class_array_class, 0 );
return soa.AddLocalReference<jobjectArray>(empty_array);
} else {
return soa.AddLocalReference<jobjectArray>(result_array);
}
}
}
NO_STACK_PROTECTOR
static jobject Method_invoke(JNIEnv* env, jobject javaMethod, jobject javaReceiver,
jobjectArray javaArgs) {
ScopedFastNativeObjectAccess soa(env);
return InvokeMethod<kRuntimePointerSize>(soa, javaMethod, javaReceiver, javaArgs);
}
static JNINativeMethod gMethods[] = {
FAST_NATIVE_METHOD(Method, getDefaultValue, "()Ljava/lang/Object;" ),
FAST_NATIVE_METHOD(Method, getExceptionTypes, "()[Ljava/lang/Class;" ),
FAST_NATIVE_METHOD(Method, invoke, "(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;" ),
};
void register_java_lang_reflect_Method(JNIEnv* env) {
REGISTER_NATIVE_METHODS("java/lang/reflect/Method" );
}
} // namespace art
Messung V0.5 in Prozent C=89 H=96 G=92
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-29)
¤
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