2021-11-03

java  json比对

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;



@Slf4j
public class JsonCompareUtil {

    public static String NONE = "不存在对应key";
    public static String SIZE = "数组长度不一致";
    public static String VALUE = "对应值不相等";
    public static String TYPE = "对应值类型不一致";
    public static List exclude;
    public static List keyList;

    public static JSonArray compareRun(JSonObject label, JSonObject result, String excludeString) {
        if (!StringUtils.isEmpty(excludeString)) {
            exclude = Arrays.asList(excludeString.split(","));
        }
        if (keyList == null) {
            keyList = new ArrayList<>();
            keyList.add("object");
        }
        JSonArray ret = compareJson(label, result, new JSonArray());
        keyList = null;
        exclude = null;
        return ret;
    }

    public static JSonArray compareJson(JSonObject label, JSonObject result, JSonArray error) {
        List labelKey = new ArrayList<>();
        for (String s : label.keySet()) {
            labelKey.add(s);
            if (exclude != null && exclude.contains(s)) {
                continue;
            }
            keyList.add("." + s);
            if (result.get(s) == null && label.get(s) != null) {
                error.add(newItem(StringUtils.join(keyList, ""), "", label.getString(s), NONE));
                keyList.add("." + s);
                continue;
            }
//            if (result.get(key) == null && label.get(key) == null) {
//                return error.isEmpty() ? "" : error.toJSonString();
//            }
            compareJson(label.get(s), result.get(s), s, error);
            keyList.remove(keyList.size() - 1);
        }
        for (String s : result.keySet()) {
            if (!labelKey.contains(s)) {
                keyList.add("." + s);
                error.add(newItem(StringUtils.join(keyList, ""), result.getString(s), "", NONE));
                keyList.remove(keyList.size() - 1);
            }
        }
        return error;
    }

    public static void compareJson(Object label, Object result, String key, JSonArray error) {
        if (label instanceof JSONObject) {
            if (result instanceof JSONObject) {
                compareJson((JSONObject) label, (JSONObject) result, error);
            } else {
                error.add(newItem(StringUtils.join(keyList, ""), result.toString(), label.toString(), TYPE));
            }
        } else if (label instanceof JSONArray) {
            if (result instanceof JSONArray) {
                compareJson((JSONArray) label, (JSONArray) result, key, error);
            } else {
                error.add(newItem(StringUtils.join(keyList, ""), result.toString(), label.toString(), TYPE));
            }
        } else if (label instanceof String) {
            if (result instanceof String) {
                try {
                    String labelToStr = label.toString();
                    String resultToStr = result.toString();
                    compareJson(labelToStr, resultToStr, error);
                } catch (Exception e) {
                    error.add(newItem(StringUtils.join(keyList, ""), result.toString(), label.toString(), VALUE));
                }
            } else {
                error.add(newItem(StringUtils.join(keyList, ""), result.toString(), label.toString(), TYPE));
            }
        } else {
            compareJson(label.toString(), result.toString(), error);
        }
    }

    public static void compareJson(String labelToStr, String resultToStr, JSonArray error) {
        if (labelToStr != null && resultToStr != null) {
            if (!labelToStr.equals(resultToStr)) {
                error.add(newItem(StringUtils.join(keyList, ""), resultToStr, labelToStr, VALUE));
            }
        } else {
            error.add(newItem(StringUtils.join(keyList, ""), resultToStr, labelToStr, NONE));
        }
    }


    public static void compareJson(JSonArray label, JSonArray result, String key, JSonArray error) {
        if (label != null && result != null) {
            if (result.size() != label.size()) {
                error.add(newItem(StringUtils.join(keyList, ""), String.valueOf(result.size()), String.valueOf(label.size()), SIZE));
            }
            Iterator