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 "nativehelper/ScopedUtfChars.h"
20
21 namespace art {
22
Java_Main_getFieldId(JNIEnv * env,jclass,jclass cls,jstring name,jstring signature)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