Android NDK get JVM stacktrace

std::vector<std::string> security_check::HookingSecurityChecker::getJniStackTrace() {

    jclass jThrowable = env->FindClass("java/lang/Throwable");

    jmethodID jThrowableConstructor = env->GetMethodID(jThrowable, "<init>", "()V");
    jmethodID jThrowableGetStackTrace = env->GetMethodID(jThrowable, "getStackTrace",
                                                         "()[Ljava/lang/StackTraceElement;");

    jobject jThrowableObject = env->NewObject(jThrowable, jThrowableConstructor);
    jobjectArray jStackTraceArray = (jobjectArray) env->CallObjectMethod(jThrowableObject, jThrowableGetStackTrace);

    env->DeleteLocalRef(jThrowableObject);

    return explodeString(transformStackTraceIntoString(jStackTraceArray), '\n');
}

std::string security_check::HookingSecurityChecker::transformStackTraceIntoString(jobjectArray jStackTraceArray) {
    jobject jStackTraceElementInLoop;
    std::string jniStackTrace = "";
    jstring jStackTraceElementInLoopToString;

    jclass jStackTraceElement = env->FindClass("java/lang/StackTraceElement");
    jmethodID jStackTraceElementToString = env->GetMethodID(jStackTraceElement, "toString", "()Ljava/lang/String;");

    for (int i = 0; i < env->GetArrayLength(jStackTraceArray); i++) {
        jStackTraceElementInLoop = env->GetObjectArrayElement(jStackTraceArray, i);
        jStackTraceElementInLoopToString = (jstring) env->CallObjectMethod(jStackTraceElementInLoop,
                                                                           jStackTraceElementToString);
        jniStackTrace.append(env->GetStringUTFChars(jStackTraceElementInLoopToString, 0)).append("\n");
    }

    return jniStackTrace;
}