code: @Override
      protected InputStream getContentInputStream(OperationContext operationContext, ModelNode operation) throws OperationFailedException {
  
          String urlSpec = operation.get(URL).asString();
          try {
              URL url = new URL(urlSpec);
              return url.openStream();
          } catch (MalformedURLException e) {
              throw new OperationFailedException(DomainControllerLogger.ROOT_LOGGER.invalidUrl(urlSpec, e.toString()));
          } catch (IOException e) {
              throw new OperationFailedException(DomainControllerLogger.ROOT_LOGGER.errorObtainingUrlStream(urlSpec, e.toString()));
          }
      }
docs: {@inheritDoc}