1 /* 2 * Copyright (C) 2017 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 "jni.h" 18 19 #include "ScopedUtfChars.h" 20 21 namespace art { 22 23 extern "C" JNIEXPORT jboolean JNICALL Java_Main_getFieldId(JNIEnv* env, 24 jclass, 25 jclass cls, 26 jstring name, 27 jstring signature) { 28 ScopedUtfChars name_chars(env, name); 29 if (name_chars.c_str() == nullptr) { 30 return false; 31 } 32 ScopedUtfChars signature_chars(env, signature); 33 if (signature_chars.c_str() == nullptr) { 34 return false; 35 } 36 jfieldID field_id = env->GetFieldID(cls, name_chars.c_str(), signature_chars.c_str()); 37 if (field_id == nullptr) { 38 return false; 39 } 40 return true; 41 } 42 43 } // namespace art 44
