blob: c4ab5d69fcd82af28267e1378b93d321abf6d975 [file] [log] [blame]
/*
* Copyright (C) 2016 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_Parameter.h"
#include "android-base/stringprintf.h"
#include "nativehelper/jni_macros.h"
#include "art_method-inl.h"
#include "common_throws.h"
#include "dex_file-inl.h"
#include "dex_file_annotations.h"
#include "jni_internal.h"
#include "native_util.h"
#include "scoped_fast_native_object_access-inl.h"
#include "utils.h"
namespace art {
using android::base::StringPrintf;
static jobject Parameter_getAnnotationNative(JNIEnv* env,
jclass,
jobject javaMethod,
jint parameterIndex,
jclass annotationType) {
ScopedFastNativeObjectAccess soa(env);
if (UNLIKELY(javaMethod == nullptr)) {
ThrowNullPointerException("javaMethod == null");
return nullptr;
}
ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
if (method->IsProxyMethod()) {
return nullptr;
}
uint32_t parameter_count = method->GetParameterTypeList()->Size();
if (UNLIKELY(parameterIndex < 0 || static_cast<uint32_t>(parameterIndex) >= parameter_count)) {
ThrowIllegalArgumentException(
StringPrintf("Illegal parameterIndex %d for %s, parameter_count is %d",
parameterIndex,
method->PrettyMethod().c_str(),
parameter_count).c_str());
return nullptr;
}
StackHandleScope<1> hs(soa.Self());
Handle<mirror::Class> klass(hs.NewHandle(soa.Decode<mirror::Class>(annotationType)));
return soa.AddLocalReference<jobject>(
annotations::GetAnnotationForMethodParameter(method, parameterIndex, klass));
}
static JNINativeMethod gMethods[] = {
FAST_NATIVE_METHOD(Parameter,
getAnnotationNative,
"(Ljava/lang/reflect/Executable;ILjava/lang/Class;)Ljava/lang/annotation/Annotation;"),
};
void register_java_lang_reflect_Parameter(JNIEnv* env) {
REGISTER_NATIVE_METHODS("java/lang/reflect/Parameter");
}
} // namespace art