} else if (filter.startsWith("creator:") && filter.length() > "creator:".length()) {
String creator = StringUtils.trim(filter.substring("creator:".length()));
if ("me".equals(creator))
q.withCreator(securityService.getUser());
else
q.withCreator(new UserImpl(creator));
} else if (filter.startsWith("modifier:") && filter.length() > "modifier:".length()) {
String modifier = StringUtils.trim(filter.substring("modifier:".length()));
if ("me".equals(modifier))
q.withModifier(securityService.getUser());
else