From fea602159f7ab073ed62c18dfc73963325711d37 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Prante?= <joergprante@gmail.com>
Date: Mon, 6 Mar 2023 07:41:00 +0100
Subject: [PATCH]  add getListMap

---
 .../java/org/xbib/datastructures/common/Maps.java   | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/datastructures-common/src/main/java/org/xbib/datastructures/common/Maps.java b/datastructures-common/src/main/java/org/xbib/datastructures/common/Maps.java
index 12ad6cd..30790ab 100644
--- a/datastructures-common/src/main/java/org/xbib/datastructures/common/Maps.java
+++ b/datastructures-common/src/main/java/org/xbib/datastructures/common/Maps.java
@@ -14,6 +14,17 @@ public class Maps {
     private Maps() {
     }
 
+    @SuppressWarnings("unchecked")
+    public static List<Map<String, Object>> getListMap(Map<String, Object> map, String key) {
+        Object o = get(map, key);
+        if (o instanceof List) {
+            return (List<Map<String, Object>>) o;
+        } else if (o instanceof Map) {
+            return List.of((Map<String, Object>) o);
+        }
+        return List.of();
+    }
+
     @SuppressWarnings({"unchecked"})
     public static Map<String, Object> deepMerge(Map<String, Object> map, Map<String, Object> newMap) {
         for (Map.Entry<String, Object> e : newMap.entrySet()) {
@@ -102,7 +113,7 @@ public class Maps {
                 }
             } else if (oo instanceof List) {
                 List<?> l = (List<?>) oo;
-                return (T) l.get(0);
+                return (T) l;
             } else {
                 return (T) oo;
             }