package com.usky.utils;

import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;

import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

/**
 * @author laowo
 * @version v1.0
 * @date 2020/3/9 12:49
 * @description TODO
 **/
@Slf4j
public class BeanHelp {
    public static <T> T copyProperties(Object source, Class<T> target){
        try {
            T t = target.newInstance();
            BeanUtils.copyProperties(source, t);
            return t;
        } catch (Exception e) {
            log.error("【数据转换】数据转换出错，目标对象{}构造函数异常", target.getName(), e);
            //logger.error();
            // throw new LyException(ExceptionEnum.DATA_TRANSFER_ERROR);
        }
        return null;
    }

    public static <T> List<T> copyWithCollection(List<?> sourceList, Class<T> target){
        try {
            return sourceList.stream().map(s -> copyProperties(s, target)).collect(Collectors.toList());
        } catch (Exception e) {
            log.error("【数据转换】数据转换出错，目标对象{}构造函数异常", target.getName(), e);
            // throw new LyException(ExceptionEnum.DATA_TRANSFER_ERROR);
        }
        return null;
    }

    public static <T> Set<T> copyWithCollection(Set<?> sourceList, Class<T> target){
        try {
            return sourceList.stream().map(s -> copyProperties(s, target)).collect(Collectors.toSet());
        } catch (Exception e) {

        }
        return null;
    }


    /**
     * JSON字符串转对象
     * @param jsonStr
     * @param clazz
     * @return
     */
    public static <T> T jsonStrToObject(String jsonStr, Class<T> clazz){
        return JSONObject.parseObject(jsonStr, clazz);

    }

    /**
     * JSON字符串转List
     * @param type
     * @param listString
     * @return
     */
    public static <T> List<T> listStringToOjectList(String listString,Class<T> type){
        return JSONObject.parseArray(listString, type);

    }

}