Implement change phone number

[signal-cli] / lib / src / main / java / org / asamk / signal / manager / util / Utils.java

diff --git a/lib/src/main/java/org/asamk/signal/manager/util/Utils.java b/lib/src/main/java/org/asamk/signal/manager/util/Utils.java
index 16e80e453f663b697e907190817ff04fb2db8e45..6e9c701e13cddf4b401cb76bb3ca98fbdfdaa143 100644 (file)
--- a/lib/src/main/java/org/asamk/signal/manager/util/Utils.java
+++ b/lib/src/main/java/org/asamk/signal/manager/util/Utils.java
@@ -25,6 +25,8 @@ import java.util.Spliterator;
 import java.util.Spliterators;
 import java.util.function.BiFunction;
 import java.util.function.Consumer;
+import java.util.function.Function;
+import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import java.util.stream.StreamSupport;
 
@@ -122,6 +124,10 @@ public class Utils {
         }, leftStream.isParallel() || rightStream.isParallel());
     }
 
+    public static <OK, NK, V> Map<NK, V> mapKeys(Map<OK, V> map, Function<OK, NK> keyMapper) {
+        return map.entrySet().stream().collect(Collectors.toMap(e -> keyMapper.apply(e.getKey()), Map.Entry::getValue));
+    }
+
     public static Map<String, String> getQueryMap(String query) {
         var params = query.split("&");
         var map = new HashMap<String, String>();