text: /**
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef NIFI_MINIFI_CPP_JNIUTIL_H
  #define NIFI_MINIFI_CPP_JNIUTIL_H
  
  #include <string>
  #include <jni.h>
  
  static inline std::string JniStringToUTF(JNIEnv *env, const jstring &jstr) {
    if(!jstr && !env) {
      return "";
    }
    const char * c_str = env->GetStringUTFChars(jstr, NULL);
    if(c_str == NULL) {
      return "";
    }
    std::string str = c_str;
    env->ReleaseStringUTFChars(jstr, c_str);
    return str;
  }
  
  #endif  // NIFI_MINIFI_CPP_JNIUTIL_H
  