JOLT脚本创建重复的数组行

{
  "data": [
    {
      "id": 1,
      "name": "Alice"
    },
    {
      "id": 2,
      "name": "Bob"
    }
  ]
}

{
  "users": [
    {
      "userId": 1,
      "userName": "Alice"
    },
    {
      "userId": 2,
      "userName": "Bob"
    }
  ]
}

[
  {
    "operation": "shift",
    "spec": {
      "data": {
        "*": {
          "$": "users[#2].userId",
          "@name": "users[#2].userName"
        }
      }
    }
  }
]

import com.bazaarvoice.jolt.JoltTransformer;
import com.bazaarvoice.jolt.JsonUtils;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class JoltExample {
    public static void main(String[] args) {
        String inputJson = "{\"data\":[{\"id\":1,\"name\":\"Alice\"},{\"id\":2,\"name\":\"Bob\"}]}";
        String joltSpec = "[{\"operation\":\"shift\",\"spec\":{\"data\":{\"*\":{\"$\":\"users[#2].userId\",\"@name\":\"users[#2].userName\"}}}}]";

        try {
            Map<String, Object> inputMap = JsonUtils.jsonToMap(inputJson);
            List<Object> transform = new JoltTransformer(joltSpec).transform(inputMap);

            System.out.println(JsonUtils.toJsonString(transform.get(0)));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}