protected Object[] getArgumentsForConstraint( String objectName, String field, ConstraintDescriptor<?> descriptor) { List<Object> arguments = new LinkedList<Object>(); String[] codes = new String[] {objectName + Errors.NESTED_PATH_SEPARATOR + field, field}; arguments.add(new DefaultMessageSourceResolvable(codes, field)); // Using a TreeMap for alphabetical ordering of attribute names Map<String, Object> attributesToExpose = new TreeMap<String, Object>(); for (Map.Entry<String, Object> entry : descriptor.getAttributes().entrySet()) { String attributeName = entry.getKey(); Object attributeValue = entry.getValue(); if (!internalAnnotationAttributes.contains(attributeName)) { attributesToExpose.put(attributeName, attributeValue); } } arguments.addAll(attributesToExpose.values()); return arguments.toArray(new Object[arguments.size()]); }