jint initialize()

in androidLibs/fbjni/cxx/fbjni/fbjni.cpp [18:53]

• 30 lines of code
• 8 McCabe index (conditional complexity)

jint initialize(JavaVM* vm, std::function<void()>&& init_fn) noexcept {
  // TODO (t7832883): DTRT when we have exception pointers
  static auto error_msg = std::string{"Failed to initialize fbjni"};
  static bool error_occured = [vm] {
      bool retVal = false;
      try {
        Environment::initialize(vm);
      } catch (std::exception& ex) {
        retVal = true;
        try {
          error_msg = std::string{"Failed to initialize fbjni: "} + ex.what();
        } catch (...) {
          // Ignore, we already have a fall back message
        }
      } catch (...) {
        retVal = true;
      }
      return retVal;
    }();

  try {
    if (error_occured) {
      throw std::runtime_error(error_msg);
    }

    init_fn();
  } catch (const std::exception& e) {
    FBJNI_LOGE("error %s", e.what());
    translatePendingCppExceptionToJavaException();
  } catch (...) {
    translatePendingCppExceptionToJavaException();
    // So Java will handle the translated exception, fall through and
    // return a good version number.
  }
  return JNI_VERSION_1_6;
}