JSONObject參數遞歸轉換

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.Set;

/**
 * @description: JSONObject參數遞歸轉換
 * @author: huang wei
 * @create: 2020-12-02 11:50
 */
public class JsonTrans {
    /**
     * 日志對象
     */
    private static final Logger LOG = LoggerFactory.getLogger(JsonTrans.class);

    public static void main(String[] args) {
        // 要轉換的參數對象
        String responseStr = "{\"ret\":\"0\",\"count\":1,\"retMsg\":null,\"processCost\":null,\"data\":{\"moniid\":\"1000003\",\"monitype\":\"2\",\"moniname\":\"離線視屏-1\",\"location\":\"3\",\"locationName\":\"徐州市轄區公安局\",\"rtspurl\":\"/files/videoFile/1000003/1540863941796.mp4\",\"monistatus\":\"1\",\"createTime\":1540863941000,\"updateTime\":1540863941000,\"videoFiles\":{\"fileId\":20,\"moniid\":\"1000003\",\"fileName\":\"20180724 _20180724163102_162702.mp \",\"fileNameafterupload\":\"1540863941796.mp4\",\"filePathafterupload\":\"/home/vap/files/videoFile/10000\",\"createTime\":1540863942000,\"startTime\":1540863909000,\"fileSize\":131963967,\"videoFiles\":{\"fileId\":20,\"moniid\":\"1000003\",\"fileName\":\"20180724 _20180724163102_162702.mp \",\"fileNameafterupload\":\"1540863941796.mp4\",\"filePathafterupload\":\"/home/vap/files/videoFile/10000\",\"createTime\":1540863942000,\"startTime\":1540863909000,\"fileSize\":131963967}}}}";
        JSONObject result = JSONObject.parseObject(responseStr);

        // 參數映射關系，沒有配置的則舍棄
        String responseRelations = "[ {\"id\": 2184,\"newAtt\": \"fileNameafterupload3\",\"oldAtt\": \"fileNameafterupload\",\"attrType\": \"string\",\"parentId\": 2180}\n" +
                ", {\"id\": 2183,\"newAtt\": \"fileName3\",\"oldAtt\": \"fileName\",\"attrType\": \"string\",\"parentId\": 2180}\n" +
                ", {\"id\": 2182,\"newAtt\": \"moniid3\",\"oldAtt\": \"moniid\",\"attrType\": \"string\",\"parentId\": 2180}\n" +
                ", {\"id\": 2181,\"newAtt\": \"fileId3\",\"oldAtt\": \"fileId\",\"attrType\": \"string\",\"parentId\": 2180}\n" +
                ", {\"id\": 2180,\"newAtt\": \"videoFiles2\",\"oldAtt\": \"videoFiles\",\"attrType\": \"object\",\"parentId\": 2175}\n" +
                ", {\"id\": 2179,\"newAtt\": \"fileNameafterupload2\",\"oldAtt\": \"fileNameafterupload\",\"attrType\": \"string\",\"parentId\": 2175}\n" +
                ", {\"id\": 2178,\"newAtt\": \"fileName2\",\"oldAtt\": \"fileName\",\"attrType\": \"string\",\"parentId\": 2175}\n" +
                ", {\"id\": 2177,\"newAtt\": \"moniid2\",\"oldAtt\": \"moniid\",\"attrType\": \"string\",\"parentId\": 2175}\n" +
                ", {\"id\": 2176,\"newAtt\": \"fileId2\",\"oldAtt\": \"fileId\",\"attrType\": \"string\",\"parentId\": 2175}\n" +
                ", {\"id\": 2175,\"newAtt\": \"videoFiles1\",\"oldAtt\": \"videoFiles\",\"attrType\": \"object\",\"parentId\": 2169}\n" +
                ", {\"id\": 2174,\"newAtt\": \"locationName1\",\"oldAtt\": \"locationName\",\"attrType\": \"string\",\"parentId\": 2169}\n" +
                ", {\"id\": 2173,\"newAtt\": \"location1\",\"oldAtt\": \"location\",\"attrType\": \"string\",\"parentId\": 2169}\n" +
                ", {\"id\": 2172,\"newAtt\": \"moniname1\",\"oldAtt\": \"moniname\",\"attrType\": \"string\",\"parentId\": 2169}\n" +
                ", {\"id\": 2171,\"newAtt\": \"monitype1\",\"oldAtt\": \"monitype\",\"attrType\": \"string\",\"parentId\": 2169}\n" +
                ", {\"id\": 2170,\"newAtt\": \"moniid1\",\"oldAtt\": \"moniid\",\"attrType\": \"string\",\"parentId\": 2169}\n" +
                ", {\"id\": 2169,\"newAtt\": \"data\",\"oldAtt\": \"data\",\"attrType\": \"object\",\"parentId\": 0}\n" +
                ", {\"id\": 2168,\"newAtt\": \"count\",\"oldAtt\": \"count\",\"attrType\": \"object\",\"parentId\": 0}]";
        List<ResponseCodeMsgRelation> responseCodeMsgRelations = JSONArray.parseArray(responseRelations,ResponseCodeMsgRelation.class);

        // 一級參數父Id默認為0
        int parentAttId = 0;
        // 參數映射處理
        JSONObject jsonObject = attrTurnBack(parentAttId, responseCodeMsgRelations, result);
        LOG.info("返回參數映射處理：" + jsonObject);
    }

    /**
     * @throws Exception
     * @Description: 參數轉換
     * @Param:
     * @return:
     * @author: hw
     * @date: 2019/8/19 16:22
     */
    public static JSONObject attrTurnBack(int parentAttId, List<ResponseCodeMsgRelation> responseCodeMsgRelations, JSONObject jsonObj) {
        JSONObject resJson = new JSONObject();
        try {
            Set<String> keySet = jsonObj.keySet();
            int count = 0;
            for (String key : keySet) {
                String resKey = "";
                int mineId = -1;
                for (int i = 0; i < responseCodeMsgRelations.size(); i++) {
                    //映射對象
                    ResponseCodeMsgRelation responseCodeMsgRelation = responseCodeMsgRelations.get(i);
                    if (responseCodeMsgRelation.getOldAtt().equals(key)) {
                        //判斷父層是否一致
                        int parentId = responseCodeMsgRelation.getParentId();
                        if (parentAttId == parentId) {
                            count++;
                            mineId = responseCodeMsgRelation.getId();
                            resKey = responseCodeMsgRelation.getNewAtt();

                            break;
                        }
                    }
                }

                if (resKey != "" && resKey != null) {
                    if (jsonObj.get(key) instanceof JSONObject) {
                        JSONObject jsonobj1 = (JSONObject) jsonObj.get(key);
                        resJson.put(resKey, attrTurnBack(mineId, responseCodeMsgRelations, jsonobj1));
                    } else if (jsonObj.get(key) instanceof JSONArray) {
                        JSONArray jsonArr = (JSONArray) jsonObj.get(key);
                        resJson.put(resKey, attrTurnBack(mineId, responseCodeMsgRelations, jsonArr));
                    } else {
                        resJson.put(resKey, jsonObj.get(key));
                    }
                }
            }

            //如果count為0，說明該jsonObject下所有key都沒有映射，則直接返回
            if (count == 0) {
                resJson = jsonObj;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        return resJson;
    }

    public static JSONArray attrTurnBack(int parentAtt, List<ResponseCodeMsgRelation> responseCodeMsgRelations, JSONArray jsonArr) {
        JSONArray resJson = new JSONArray();
        for (int i = 0; i < jsonArr.size(); i++) {
            if(jsonArr.get(i) instanceof JSONObject){
                JSONObject jsonObj = jsonArr.getJSONObject(i);
                resJson.add(attrTurnBack(parentAtt, responseCodeMsgRelations, jsonObj));
            }else {
                resJson=jsonArr;
            }
        }
        return resJson;
    }


    /**
     * 參數映射關系類
     */
    static class ResponseCodeMsgRelation{
        private Integer id;

        // 原始參數名稱
        private String oldAtt;

        // 映射參數名稱
        private String newAtt;

        // 參數類型 1 String 2 boolean 3 int 4 long 5 float 6 double 7 object 8 array
        private String attrType;

        // 父節點 0:無
        private Integer parentId;

        public String getAttrType() {
            return attrType;
        }

        public void setAttrType(String attrType) {
            this.attrType = attrType;
        }

        public Integer getParentId() {
            return parentId;
        }

        public void setParentId(Integer parentId) {
            this.parentId = parentId;
        }

        public Integer getId() {
            return id;
        }

        public void setId(Integer id) {
            this.id = id;
        }

        public String getOldAtt() {
            return oldAtt;
        }

        public void setOldAtt(String oldAtt) {
            this.oldAtt = oldAtt;
        }

        public String getNewAtt() {
            return newAtt;
        }

        public void setNewAtt(String newAtt) {
            this.newAtt = newAtt;
        }
    }
}