static Object flatteningMap()

in datasource-client/src/main/java/org/apache/seatunnel/datasource/configuration/util/ConfigUtil.java [53:86]

• 33 lines of code
• 9 McCabe index (conditional complexity)

    static Object flatteningMap(Object rawValue, Map<String, Object> newMap, List<String> keys, boolean nestedMap) {
        if (rawValue == null) {
            return null;
        }
        if (!(rawValue instanceof List) && !(rawValue instanceof Map)) {
            if (newMap == null) {
                return rawValue;
            }
            newMap.put(String.join(".", keys), rawValue);
            return newMap;
        }

        if (rawValue instanceof List) {
            List<Object> rawList = (List<Object>) rawValue;
            rawList.replaceAll(value -> flatteningMap(value, null, null, false));
            if (newMap != null) {
                newMap.put(String.join(".", keys), rawList);
                return newMap;
            }
            return rawList;
        } else {
            Map<String, Object> rawMap = (Map<String, Object>) rawValue;
            if (!nestedMap) {
                keys = new ArrayList<>();
                newMap = new HashMap<>(rawMap.size());
            }
            for (Map.Entry<String, Object> entry : rawMap.entrySet()) {
                keys.add(entry.getKey());
                flatteningMap(entry.getValue(), newMap, keys, true);
                keys.remove(keys.size() - 1);
            }
            return newMap;
        }
    }