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 "mirror/proxy.h" 25 #include "object_utils.h" 26 #include "reflection.h" 27 #include "scoped_thread_state_change.h" 28 #include "well_known_classes.h" 29 30 namespace art { 31 32 static jobject Method_invoke(JNIEnv* env, 33 jobject javaMethod, jobject javaReceiver, jobject javaArgs) { 34 ScopedObjectAccess soa(env); 35 return InvokeMethod(soa, javaMethod, javaReceiver, javaArgs); 36 } 37 38 static jobject Method_getExceptionTypesNative(JNIEnv* env, jobject javaMethod) { 39 ScopedObjectAccess soa(env); 40 jobject art_method = soa.Env()->GetObjectField( 41 javaMethod, WellKnownClasses::java_lang_reflect_AbstractMethod_artMethod); 42 43 mirror::ArtMethod* proxy_method = soa.Decode<mirror::Object*>(art_method)->AsArtMethod(); 44 CHECK(proxy_method->GetDeclaringClass()->IsProxyClass()); 45 mirror::SynthesizedProxyClass* proxy_class = 46 down_cast<mirror::SynthesizedProxyClass*>(proxy_method->GetDeclaringClass()); 47 int throws_index = -1; 48 size_t num_virt_methods = proxy_class->NumVirtualMethods(); 49 for (size_t i = 0; i < num_virt_methods; i++) { 50 if (proxy_class->GetVirtualMethod(i) == proxy_method) { 51 throws_index = i; 52 break; 53 } 54 } 55 CHECK_NE(throws_index, -1); 56 mirror::ObjectArray<mirror::Class>* declared_exceptions = 57 proxy_class->GetThrows()->Get(throws_index); 58 return soa.AddLocalReference<jobject>(declared_exceptions->Clone(soa.Self())); 59 } 60 61 static JNINativeMethod gMethods[] = { 62 NATIVE_METHOD(Method, invoke, "(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;"), 63 NATIVE_METHOD(Method, getExceptionTypesNative, "()[Ljava/lang/Class;"), 64 }; 65 66 void register_java_lang_reflect_Method(JNIEnv* env) { 67 REGISTER_NATIVE_METHODS("java/lang/reflect/Method"); 68 } 69 70 } // namespace art 71