code: public DbProduct getProduct(final String name) {
          final DbProduct dbProduct = repositoryHandler.getProduct(name);
  
          if(dbProduct == null){
              throw new WebApplicationException(Response.status(Response.Status.NOT_FOUND)
                      .entity("Product " + name + " does not exist.").build());
          }
  
          return dbProduct;
      }
docs: Returns a product regarding its name
  
  @param name String
  @return DbProduct