make internal representation immutable

cryostatio · Jun 16, 2022 · 66b0050 · 66b0050
1 parent 73d2f3b
commit 66b0050
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/main/java/io/cryostat/configuration/CredentialsManager.java b/src/main/java/io/cryostat/configuration/CredentialsManager.java
@@ -45,6 +45,7 @@
 import java.nio.file.attribute.PosixFilePermission;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
@@ -241,15 +242,15 @@ public static class MatchedCredentials {
 
         private MatchedCredentials(String matchExpression, Collection<ServiceRef> targets) {
             this.matchExpression = matchExpression;
-            this.targets = targets;
+            this.targets = new HashSet<>(targets);
         }
 
         public String getMatchExpression() {
             return matchExpression;
         }
 
         public Collection<ServiceRef> getTargets() {
-            return targets;
+            return Collections.unmodifiableCollection(targets);
         }
     }