From c8625160e9f918bbf165894379f68c281cfc48de Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Fri, 24 Nov 2023 15:41:48 +0000
Subject: [PATCH] Switch to JDK 17 (already a Keycloak prerequisite)

---
 src/main/java/org/keycloak/protocol/cas/mappers/GroupMembershipMapper.java |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/main/java/org/keycloak/protocol/cas/mappers/GroupMembershipMapper.java b/src/main/java/org/keycloak/protocol/cas/mappers/GroupMembershipMapper.java
index bee3b9e..80870f0 100644
--- a/src/main/java/org/keycloak/protocol/cas/mappers/GroupMembershipMapper.java
+++ b/src/main/java/org/keycloak/protocol/cas/mappers/GroupMembershipMapper.java
@@ -1,8 +1,6 @@
 package org.keycloak.protocol.cas.mappers;
 
-import org.keycloak.models.GroupModel;
-import org.keycloak.models.ProtocolMapperModel;
-import org.keycloak.models.UserSessionModel;
+import org.keycloak.models.*;
 import org.keycloak.models.utils.ModelToRepresentation;
 import org.keycloak.protocol.oidc.mappers.OIDCAttributeMapperHelper;
 import org.keycloak.provider.ProviderConfigProperty;
@@ -11,6 +9,7 @@
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 public class GroupMembershipMapper extends AbstractCASProtocolMapper {
     private static final List<ProviderConfigProperty> configProperties = new ArrayList<ProviderConfigProperty>();
@@ -52,10 +51,11 @@
     }
 
     @Override
-    public void setAttribute(Map<String, Object> attributes, ProtocolMapperModel mappingModel, UserSessionModel userSession) {
+    public void setAttribute(Map<String, Object> attributes, ProtocolMapperModel mappingModel, UserSessionModel userSession,
+                             KeycloakSession session, ClientSessionContext clientSessionCt) {
         List<String> membership = new LinkedList<>();
         boolean fullPath = useFullPath(mappingModel);
-        for (GroupModel group : userSession.getUser().getGroups()) {
+        for (GroupModel group : userSession.getUser().getGroupsStream().collect(Collectors.toSet())) {
             if (fullPath) {
                 membership.add(ModelToRepresentation.buildGroupPath(group));
             } else {

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