package com.darkness.common.util;

import org.springframework.beans.BeanUtils;
import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

public class ConvertUtils {

    public static <S, T> List<T> convertList(List<S> sourceList, Class<T> clazz) {
        if (CollectionUtils.isEmpty(sourceList)) {
            return new ArrayList<>();
        }
        List<T> targetList = new ArrayList<>(sourceList.size());
        for (S sourceObj : sourceList) {
            if (Objects.nonNull(sourceObj)) {
                T targetObj = BeanUtils.instantiateClass(clazz);
                BeanUtils.copyProperties(sourceObj, targetObj);
                targetList.add(targetObj);
            } else {
                targetList.add(null); // 或者根据业务需求决定是否添加null
            }
        }
        return targetList;
    }
    public static <T, S> T convertObj(S sourceObj, Class<T> clazz) {
        if (Objects.isNull(sourceObj)) {
            return null;
        }
        T targetObj = BeanUtils.instantiateClass(clazz);
        BeanUtils.copyProperties(sourceObj, targetObj);
        return targetObj;
    }
}