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add getListMap

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This commit is contained in:
Jörg Prante 2023-03-06 07:41:00 +01:00
parent 02fb8cbe09
commit fea602159f
1 changed files with 12 additions and 1 deletions
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13
datastructures-common/src/main/java/org/xbib/datastructures/common/Maps.java
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@ -14,6 +14,17 @@ public class Maps {
private 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"}) @SuppressWarnings({"unchecked"})
public static Map<String, Object> deepMerge(Map<String, Object> map, Map<String, Object> newMap) { public static Map<String, Object> deepMerge(Map<String, Object> map, Map<String, Object> newMap) {
for (Map.Entry<String, Object> e : newMap.entrySet()) { for (Map.Entry<String, Object> e : newMap.entrySet()) {
@ -102,7 +113,7 @@ public class Maps {
} }
} else if (oo instanceof List) { } else if (oo instanceof List) {
List<?> l = (List<?>) oo; List<?> l = (List<?>) oo;
return (T) l.get(0); return (T) l;
} else { } else {
return (T) oo; return (T) oo;
} }