com.github.lontime.extjson.BeanCopy Maven / Gradle / Ivy

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package com.github.lontime.extjson;

import java.util.Map;
import java.util.function.Function;

/**
 * bean copy
 * @author lontime
 * @since 1.0
 */
public class BeanCopy {

    /**
     * copy.
     * @param source source
     * @param target target
     * @param  T
     * @return target
     */
    public static  T copy(Object source, T target) {
        final Map map = MapBeanHelper.beanToMap(source);
        if (map == null || map.isEmpty()) {
            return target;
        }
        return MapBeanHelper.mapToBean0(target, map);
    }

    /**
     * copy.
     * @param source source
     * @param target target
     * @param rename rename function
     * @param  T
     * @return target
     */
    public static  T copy(Object source, T target, Function rename) {
        final Map map = MapBeanHelper.beanToMap(source);
        if (map == null || map.isEmpty()) {
            return target;
        }
        return MapBeanHelper.mapToBean0(target, map, rename);
    }

    /**
     * mixin.
     * @param source source
     * @param target target
     * @param  T
     * @return target
     */
    public static  T mixin(T source, T target) {
        final Map map = MapBeanHelper.beanToMap(source);
        if (map == null || map.isEmpty()) {
            return target;
        }
        return MapBeanHelper.mapToBean0(target, map, Function.identity());
    }

}