ProductService.java 文件源码

@PreAuthorize ("hasAnyRole('ROLE_DOWNLOAD','ROLE_SEARCH')")
@Transactional (readOnly=true, propagation=Propagation.REQUIRED)
public InputStream getProductThumbnail (Long id)
{
   // TODO remove method cause not used
   Product product = getProduct (id);
   if (!product.getThumbnailFlag ()) return null;
   try
   {
      return new FileInputStream (product.getThumbnailPath ());
   }
   catch (Exception e)
   {
      LOGGER.warn ("Cannot retrieve Thumbnail from product id #" + id,e);
   }
   return null;
}