/**
* Checks that all the attributes have a unique Name/NameFormat pair.
*
* @param query the attribute query to validate
* @throws ValidationException thrown if more than on Name/NameFormat pair is found in the list of
* attributes in this query
*/
protected void validateUniqueAttributeIdentifiers(AttributeQuery query)
throws ValidationException {
List<Attribute> attributes = query.getAttributes();
HashSet<Pair<String, String>> encounteredNames = new HashSet<Pair<String, String>>();
String attributeName;
String attributeNameFormat;
for (Attribute attribute : attributes) {
attributeName = attribute.getName();
attributeNameFormat = attribute.getNameFormat();
if (DatatypeHelper.isEmpty(attributeNameFormat)) {
// SAML 2 core, sec. 2.7.3.1, if no format is specified,
// unspecified is in effect. This avoids bug in processing null value.
attributeNameFormat = Attribute.UNSPECIFIED;
}
Pair<String, String> pair = new Pair<String, String>(attributeName, attributeNameFormat);
if (encounteredNames.contains(pair)) {
throw new ValidationException(
"Attribute query contains more than one attribute with the same Name and NameFormat");
} else {
encounteredNames.add(pair);
}
}
}
