com.github.hetianyi.common.util.BeanUtil Maven / Gradle / Ivy

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package com.github.hetianyi.common.util;

import org.apache.commons.beanutils.ConvertUtils;
import org.springframework.cglib.beans.BeanCopier;

/**
 * Bean操作工具类
 *
 * @author Jason He
 * @version 1.0.9
 * @since 1.0.9
 * @date 2020-02-20
 */
public class BeanUtil {

    /**
     * 将对象source的字段复制到target对应字段，

     * target字段在source中对应不到的字段或者转换的失败的字段将赋值null。
     * @param source 源对象
     * @param target 目标对象
     */
    public static  T copyProperties(S source, T target) {
        if (null == source || null == target) {
            return target;
        }
        BeanCopier copier = BeanCopier.create(source.getClass(), target.getClass(), true);
        copier.copy(source, target, (o, aClass, o1) -> {
            if (null == o || aClass.isAssignableFrom(o.getClass())) {
                return o;
            }
            Object ret = ConvertUtils.convert(o, aClass);
            return (null != ret && aClass.isAssignableFrom(ret.getClass())) ? ret : null;
        });
        return target;
    }
}