Use Java 17

[signal-cli] / src / main / java / org / asamk / signal / commands / JoinGroupCommand.java

diff --git a/src/main/java/org/asamk/signal/commands/JoinGroupCommand.java b/src/main/java/org/asamk/signal/commands/JoinGroupCommand.java
index 1e06ea9ce9d3ca349cb76f4e0136b1e74f455876..892879f6c01f4757f9f52a07b16b6ea2fbfee10c 100644 (file)
--- a/src/main/java/org/asamk/signal/commands/JoinGroupCommand.java
+++ b/src/main/java/org/asamk/signal/commands/JoinGroupCommand.java
@@ -55,8 +55,7 @@ public class JoinGroupCommand implements JsonRpcLocalCommand {
         try {
             final var results = m.joinGroup(linkUrl);
             var newGroupId = results.first();
         try {
             final var results = m.joinGroup(linkUrl);
             var newGroupId = results.first();

-            if (outputWriter instanceof JsonWriter) {
-                final var writer = (JsonWriter) outputWriter;
+            if (outputWriter instanceof JsonWriter writer) {

                 if (!m.getGroup(newGroupId).isMember()) {
                     writer.write(Map.of("groupId", newGroupId.toBase64(), "onlyRequested", true));
                 } else {
                 if (!m.getGroup(newGroupId).isMember()) {
                     writer.write(Map.of("groupId", newGroupId.toBase64(), "onlyRequested", true));
                 } else {