@Override protected void validateAttributes() { if (!isSystemTag()) { return; } Set<String> allowedAttributes = getAllowedAttributes(); for (int i = 0; i < xmlReader.getAttributeCount(); i++) { QName qname = xmlReader.getAttributeName(i); String localPart = qname.getLocalPart(); String prefix = qname.getPrefix(); if (prefix != null && !prefix.isEmpty() && !prefix.equalsIgnoreCase(SYSTEM_TAG_PREFIX)) { throw new InvalidSystemAttributeException(prefix + ":" + localPart, getLocation()); } else if (!AuraTextUtil.containsIgnoreCase(localPart, allowedAttributes)) { throw new InvalidSystemAttributeException(localPart, getLocation()); } } }