Spring RestController PUT/Update

foo.java

@RequestMapping(value = "/{id}", method = RequestMethod.PUT)
public HttpEntity update(@PathVariable String id, HttpServletRequest request) throws IOException {
    ProductDetail existing = find(id);
    ProductDetail updated = objectMapper.readerForUpdating(existing).readValue(request.getReader());
    
    MutablePropertyValues propertyValues = new MutablePropertyValues();
    propertyValues.add("productId", updated.getProductId());
    propertyValues.add("productName", updated.getProductName());
    propertyValues.add("shortDescription", updated.getShortDescription());
    propertyValues.add("longDescription", updated.getLongDescription());
    propertyValues.add("inventoryId", updated.getInventoryId());
    
    DataBinder binder = new DataBinder(updated);
    binder.addValidators(validator);
    binder.bind(propertyValues);
    binder.validate();
    if (binder.getBindingResult().hasErrors()) {
        return new ResponseEntity<>(binder.getBindingResult().getAllErrors(), HttpStatus.BAD_REQUEST);
    } else {
        return new ResponseEntity<>(updated, HttpStatus.ACCEPTED);
    }
}