bool PlainConfig::LogConfig::LoadFromJson()

in source/config/Config.cpp [434:535]
96 lines of code
17 McCabe index (conditional complexity)

bool PlainConfig::LogConfig::LoadFromJson(const Crt::JsonView &json)
{
    const char *jsonKey = JSON_KEY_LOG_LEVEL;
    if (json.ValueExists(jsonKey))
    {
        if (!json.GetString(jsonKey).empty())
        {
            try
            {
                deviceClientlogLevel = ParseDeviceClientLogLevel(json.GetString(jsonKey).c_str());
            }
            catch (const std::invalid_argument &e)
            {
                LOGM_ERROR(Config::TAG, "Unable to parse incoming log level value passed via JSON: %s", e.what());
                return false;
            }
        }
        else
        {
            LOGM_WARN(Config::TAG, "Key {%s} was provided in the JSON configuration file with an empty value", jsonKey);
        }
    }

    jsonKey = JSON_KEY_LOG_TYPE;
    if (json.ValueExists(jsonKey))
    {
        if (!json.GetString(jsonKey).empty())
        {
            try
            {
                deviceClientLogtype = ParseDeviceClientLogType(json.GetString(jsonKey).c_str());
            }
            catch (const std::invalid_argument &e)
            {
                LOGM_ERROR(Config::TAG, "Unable to parse incoming log type value passed via JSON: %s", e.what());
                return false;
            }
        }
        else
        {
            LOGM_WARN(Config::TAG, "Key {%s} was provided in the JSON configuration file with an empty value", jsonKey);
        }
    }

    jsonKey = JSON_KEY_LOG_FILE;
    if (json.ValueExists(jsonKey))
    {
        if (!json.GetString(jsonKey).empty())
        {
            deviceClientLogFile = FileUtils::ExtractExpandedPath(json.GetString(jsonKey).c_str());
        }
        else
        {
            LOGM_WARN(Config::TAG, "Key {%s} was provided in the JSON configuration file with an empty value", jsonKey);
        }
    }

    jsonKey = JSON_KEY_ENABLE_SDK_LOGGING;
    if (json.ValueExists(jsonKey) && json.GetBool(jsonKey))
    {
        if (json.GetBool(jsonKey))
        {
            sdkLoggingEnabled = true;
        }
    }

    jsonKey = JSON_KEY_SDK_LOG_LEVEL;
    if (json.ValueExists(jsonKey))
    {
        if (!json.GetString(jsonKey).empty())
        {
            try
            {
                sdkLogLevel = ParseSDKLogLevel(json.GetString(jsonKey).c_str());
            }
            catch (const std::invalid_argument &e)
            {
                LOGM_ERROR(Config::TAG, "Unable to parse incoming SDK log type value passed via JSON: %s", e.what());
                return false;
            }
        }
        else
        {
            LOGM_WARN(Config::TAG, "Key {%s} was provided in the JSON configuration file with an empty value", jsonKey);
        }
    }

    jsonKey = JSON_KEY_SDK_LOG_FILE;
    if (json.ValueExists(jsonKey))
    {
        if (!json.GetString(jsonKey).empty())
        {
            sdkLogFile = FileUtils::ExtractExpandedPath(json.GetString(jsonKey).c_str());
        }
        else
        {
            LOGM_WARN(Config::TAG, "Key {%s} was provided in the JSON configuration file with an empty value", jsonKey);
        }
    }

    return true;
}