package com.hnf.framework.utils;

import com.alibaba.fastjson.JSON;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.beans.BeanUtils;
import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
* @Author: xxx
* @Date: 2019/1/14 16:21
* @Description: bean工具类
*/
public class MyBeanUtils {

/\*\*  
 \* 对象拷贝  
 \* @param source 源  
 \* @param target 目标  
 \*/  
public static void copyProperties(Object source, Object target){  
    if(source == null){return;}  
    BeanUtils.copyProperties(source, target);  
}

/\*\*  
 \* List 对象拷贝  
 \* @param list 源  
 \* @param <T> 目标  
 \* @return 目标  
 \*/  
public static <T, E> List copyList(List<T> list, Class<E> clazz) {  
    if (CollectionUtils.isEmpty(list)) {  
        return new ArrayList();  
    }  
    return JSON.parseArray(JSON.toJSONString(list), clazz);  
}

/\*\*  
 \* MAP拷贝  
 \* @param map 源  
 \* @return 目标  
 \*/  
public static Map<String, Object> copyMap(Map map) {  
    if(CollectionUtils.isEmpty(map)){  
        return new HashMap<>();  
    }  
    return JSON.parseObject(JSON.toJSONString(map));  
}

/\*\*  
 \* json 转 Map  
 \* @param json  
 \* @return  
 \*/  
public static Map<String, Object> jsonToMap(String json) {  
    try {  
        ObjectMapper objectMapper = new ObjectMapper();  
        return objectMapper.readValue(json, Map.class);  
    } catch (Exception ex){  
        ex.printStackTrace();  
    }  
    return null;  
}  

}