com.gitee.feizns.bean.BeanUtils Maven / Gradle / Ivy

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Java 类型，反射，属性以及实体类操作工具类。

There is a newer version: 5.5-RELEASE

package com.gitee.feizns.bean;

import com.gitee.feizns.StreamUtils;
import com.gitee.feizns.reflect.ConstructorUtils;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;

/**
 * java com.gitee.feizns.bean.
 * @author feizns
 * @since 2019/6/9 0009
 */
public abstract class BeanUtils {

    /**
     * 复制属性
     * @param target
     * @param source
     * @param 
     * @return
     */
    public static final  T copyProperties(T target, Object... source) {
        return copyProperties(target, StreamUtils::noChangeFun, source);
    }

    /**
     * 复制属性
     * @param target
     * @param source
     * @param 
     * @return
     */
    public static final  T copyProperties(T target, Function keyMap, Object... source) {
        Map> map = PropertyUtils.writableProps(target)
                .collect(Collectors.toMap(Property::name, item -> item, StreamUtils::leaveSecond, LinkedHashMap::new));
        for (Object o : source) {
            PropertyUtils.readableProps(o).forEach(prop -> {
                String newKey = keyMap.apply(prop.name());
                Property