public static List getArgFromJsonParamsAsList()

in services/library/src/main/java/com/google/cloud/pso/bq_pii_classifier/helpers/Utils.java [102:120]

• 12 lines of code
• 5 McCabe index (conditional complexity)

    public static List<String> getArgFromJsonParamsAsList(JsonObject requestJson, String argName, boolean required) {

        JsonArray  jsonArray = new JsonArray();

        // check in Json
        if (requestJson != null && requestJson.has(argName)) {
            jsonArray = requestJson.get(argName).getAsJsonArray();
        }

        // validate it exists
        if(required) {
            if (jsonArray.size() == 0)
                throw new IllegalArgumentException(String.format("%s is required", argName));
        }

        Type listType = new TypeToken<List<String>>() {}.getType();

        return new Gson().fromJson(jsonArray, listType);
    }