public boolean isReturnGenericCollection()

in src/main/java/com/epam/digital/data/platform/starter/swagger/apiresponse/validator/ResponseEntityTypeValidator.java [28:40]

• 13 lines of code
• 3 McCabe index (conditional complexity)

  public boolean isReturnGenericCollection(HandlerMethod handlerMethod) {
    Type responseType = handlerMethod.getMethod().getGenericReturnType();
    if (responseType instanceof ParameterizedType) {
      ParameterizedType parameterizedResponseType = (ParameterizedType) responseType;
      Type genericType = parameterizedResponseType.getActualTypeArguments()[0];
      if (genericType instanceof ParameterizedType) {
        ParameterizedType parameterizedInnerGenericType = (ParameterizedType) genericType;
        Class<?> genericClass = (Class<?>) parameterizedInnerGenericType.getRawType();
        return Collection.class.isAssignableFrom(genericClass);
      }
    }
    return false;
  }