commit 6918f363930078d138090de84a3dd3f6e5059233
author Chiachang Wang <chiachangwang@google.com> Thu Mar 11 01:03:15 2021 +0000
committer Gerrit Code Review <noreply-gerritcodereview@google.com> Thu Mar 11 01:03:15 2021 +0000
tree 057cd08b285c79ae272ecbce5c3913a73736a5f2
parent a7c245d1ceda885fddda7baa65355e3b974a02d7
parent 4dfe1ff50a9aaee99983e65cdaededf8b7e7ef81

Merge "Add helper function to check if collection is empty"

staticlibs/framework/com/android/net/module/util/CollectionUtils.java

diff --git a/staticlibs/framework/com/android/net/module/util/CollectionUtils.java b/staticlibs/framework/com/android/net/module/util/CollectionUtils.java
index 115f19d..2223443 100644
--- a/staticlibs/framework/com/android/net/module/util/CollectionUtils.java
+++ b/staticlibs/framework/com/android/net/module/util/CollectionUtils.java
@@ -38,6 +38,13 @@
     }
 
     /**
+     * @return True if the collection is null or 0-length.
+     */
+    public static <T> boolean isEmpty(@Nullable Collection<T> collection) {
+        return collection == null || collection.isEmpty();
+    }
+
+    /**
      * Returns an int array from the given Integer list.
      */
     @NonNull