private static void nullEmptyLists()

in scim-core/src/main/java/org/apache/directory/scim/core/repository/UpdateRequest.java [185:215]

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

  private static void nullEmptyLists(JsonNode node) {
    List<String> objectsToDelete = new ArrayList<>();
    
    if (node != null) {
      Iterator<Map.Entry<String, JsonNode>> children = node.fields();
      while(children.hasNext()) {
        Map.Entry<String, JsonNode> child = children.next();
        String name = child.getKey();
        JsonNode childNode = child.getValue();
        
        //Attempt to delete children before analyzing 
        if (childNode.isContainerNode()) {
          nullEmptyLists(childNode);
        }
        
        if (childNode instanceof ArrayNode) {
          ArrayNode ar = (ArrayNode)childNode;
          if (ar.size() == 0) {
            objectsToDelete.add(name);
          }
        }
      }
      
      if (!objectsToDelete.isEmpty() && node instanceof ObjectNode) {
        ObjectNode on = (ObjectNode)node;
        for(String name : objectsToDelete) {
          on.remove(name);
        }
      }
    }
  }