protected Map<String, Set<AuthenticationTriple>> getIntersectionPrefixSetAT(
List<AuthenticationTriple> authenticationData) throws SNAAExceptionException {
if (authenticationData == null) {
throw createSNAAException("Argument authenticationData must not be null!");
}
// WS Endpoint URL -> Set<URN Prefixes> for intersection of authenticationData
Map<String, Set<AuthenticationTriple>> intersectionPrefixSet =
new HashMap<String, Set<AuthenticationTriple>>();
for (AuthenticationTriple authenticationTriple : authenticationData) {
for (Entry<String, Set<String>> entry : prefixSet.entrySet()) {
if (entry.getValue().contains(authenticationTriple.getUrnPrefix())) {
Set<AuthenticationTriple> set =
intersectionPrefixSet.get(authenticationTriple.getUrnPrefix());
if (set == null) {
set = new HashSet<AuthenticationTriple>();
intersectionPrefixSet.put(entry.getKey(), set);
}
set.add(authenticationTriple);
}
}
// check if federator federates the urn prefix found in the authentication triple
boolean found = false;
for (Set<AuthenticationTriple> triples : intersectionPrefixSet.values()) {
for (AuthenticationTriple triple : triples) {
if (triple.getUrnPrefix().equals(authenticationTriple.getUrnPrefix())) {
found = true;
}
}
}
if (!found) {
throw createSNAAException(
"No endpoint known for URN prefix " + authenticationTriple.getUrnPrefix());
}
}
return intersectionPrefixSet;
}
