Use Java 17

[signal-cli] / lib / src / main / java / org / asamk / signal / manager / api / RecipientIdentifier.java

diff --git a/lib/src/main/java/org/asamk/signal/manager/api/RecipientIdentifier.java b/lib/src/main/java/org/asamk/signal/manager/api/RecipientIdentifier.java
index be1029e69be4baedc4048103dc82a2f3150e40e9..ec2d00f555e11a8aee146e7d9041728fee750113 100644 (file)
--- a/lib/src/main/java/org/asamk/signal/manager/api/RecipientIdentifier.java
+++ b/lib/src/main/java/org/asamk/signal/manager/api/RecipientIdentifier.java
@@ -9,9 +9,9 @@ import org.whispersystems.signalservice.api.util.UuidUtil;
 
 import java.util.UUID;
 
-public abstract class RecipientIdentifier {
+public sealed abstract class RecipientIdentifier {
 
-    public static class NoteToSelf extends RecipientIdentifier {
+    public static final class NoteToSelf extends RecipientIdentifier {
 
         public static NoteToSelf INSTANCE = new NoteToSelf();
 
@@ -19,7 +19,7 @@ public abstract class RecipientIdentifier {
         }
     }
 
-    public abstract static class Single extends RecipientIdentifier {
+    public sealed static abstract class Single extends RecipientIdentifier {
 
         public static Single fromString(String identifier, String localNumber) throws InvalidNumberException {
             return UuidUtil.isUuid(identifier)
@@ -43,7 +43,7 @@ public abstract class RecipientIdentifier {
         public abstract String getIdentifier();
     }
 
-    public static class Uuid extends Single {
+    public static final class Uuid extends Single {
 
         public final UUID uuid;
 
@@ -72,7 +72,7 @@ public abstract class RecipientIdentifier {
         }
     }
 
-    public static class Number extends Single {
+    public static final class Number extends Single {
 
         public final String number;
 
@@ -101,7 +101,7 @@ public abstract class RecipientIdentifier {
         }
     }
 
-    public static class Group extends RecipientIdentifier {
+    public static final class Group extends RecipientIdentifier {
 
         public final GroupId groupId;