1 /*
2 * Copyright (C) 2018 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 "utils/java/jni-base.h"
18
19 #include "utils/base/status.h"
20 #include "utils/java/string_utils.h"
21
22 namespace libtextclassifier3 {
23
EnsureLocalCapacity(JNIEnv * env,int capacity)24 bool EnsureLocalCapacity(JNIEnv* env, int capacity) {
25 return env->EnsureLocalCapacity(capacity) == JNI_OK;
26 }
27
JniExceptionCheckAndClear(JNIEnv * env)28 bool JniExceptionCheckAndClear(JNIEnv* env) {
29 TC3_CHECK(env != nullptr);
30 const bool result = env->ExceptionCheck();
31 if (result) {
32 env->ExceptionDescribe();
33 env->ExceptionClear();
34 }
35 return result;
36 }
37
ToStlString(JNIEnv * env,const jstring & str)38 StatusOr<std::string> ToStlString(JNIEnv* env, const jstring& str) {
39 std::string result;
40 if (!JStringToUtf8String(env, str, &result)) {
41 return {Status::UNKNOWN};
42 }
43 return result;
44 }
45
46 } // namespace libtextclassifier3
47