1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "class_linker.h" 18 #include "jni_internal.h" 19 #include "mirror/art_method.h" 20 #include "mirror/art_method-inl.h" 21 #include "mirror/class-inl.h" 22 #include "mirror/object-inl.h" 23 #include "mirror/object_array-inl.h" 24 #include "reflection.h" 25 #include "scoped_fast_native_object_access.h" 26 #include "well_known_classes.h" 27 28 namespace art { 29 30 static jobject Method_invoke(JNIEnv* env, jobject javaMethod, jobject javaReceiver, 31 jobject javaArgs, jboolean accessible) { 32 ScopedFastNativeObjectAccess soa(env); 33 return InvokeMethod(soa, javaMethod, javaReceiver, javaArgs, (accessible == JNI_TRUE)); 34 } 35 36 static jobject Method_getExceptionTypesNative(JNIEnv* env, jobject javaMethod) { 37 ScopedFastNativeObjectAccess soa(env); 38 mirror::ArtMethod* proxy_method = mirror::ArtMethod::FromReflectedMethod(soa, javaMethod); 39 CHECK(proxy_method->GetDeclaringClass()->IsProxyClass()); 40 mirror::Class* proxy_class = proxy_method->GetDeclaringClass(); 41 int throws_index = -1; 42 size_t num_virt_methods = proxy_class->NumVirtualMethods(); 43 for (size_t i = 0; i < num_virt_methods; i++) { 44 if (proxy_class->GetVirtualMethod(i) == proxy_method) { 45 throws_index = i; 46 break; 47 } 48 } 49 CHECK_NE(throws_index, -1); 50 mirror::ObjectArray<mirror::Class>* declared_exceptions = 51 proxy_class->GetThrows()->Get(throws_index); 52 return soa.AddLocalReference<jobject>(declared_exceptions->Clone(soa.Self())); 53 } 54 55 static JNINativeMethod gMethods[] = { 56 NATIVE_METHOD(Method, invoke, "!(Ljava/lang/Object;[Ljava/lang/Object;Z)Ljava/lang/Object;"), 57 NATIVE_METHOD(Method, getExceptionTypesNative, "!()[Ljava/lang/Class;"), 58 }; 59 60 void register_java_lang_reflect_Method(JNIEnv* env) { 61 REGISTER_NATIVE_METHODS("java/lang/reflect/Method"); 62 } 63 64 } // namespace art 65