com.sicheng.common.mapper.BeanMapper Maven / Gradle / Ivy
/**
* 本作品使用 木兰公共许可证,第2版（Mulan PubL v2） 开源协议，请遵守相关条款，或者联系sicheng.net获取商用授权。
* Copyright (c) 2016 SiCheng.Net
* This software is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
package com.sicheng.common.mapper;
import com.google.common.collect.Lists;
import org.dozer.DozerBeanMapper;
import java.util.Collection;
import java.util.List;
/**
* 简单封装Dozer, 实现深度转换Bean<->Bean的Mapper.实现:
*
* 1. 持有Mapper的单例.
* 2. 返回值类型转换.
* 3. 批量转换Collection中的所有对象.
* 4. 区分创建新的B对象与将对象A值复制到已存在的B对象两种函数.
*
* @author zhaolei
* @version 2013-01-15
*/
public class BeanMapper {
/**
* 持有Dozer单例, 避免重复创建DozerMapper消耗资源.
*/
private static DozerBeanMapper dozer = new DozerBeanMapper();
/**
* 基于Dozer转换对象的类型.
*/
public static T map(Object source, Class destinationClass) {
return dozer.map(source, destinationClass);
}
/**
* 基于Dozer转换Collection中对象的类型.
*/
@SuppressWarnings("rawtypes")
public static List mapList(Collection sourceList, Class destinationClass) {
List destinationList = Lists.newArrayList();
for (Object sourceObject : sourceList) {
T destinationObject = dozer.map(sourceObject, destinationClass);
destinationList.add(destinationObject);
}
return destinationList;
}
/**
* 基于Dozer将对象A的值拷贝到对象B中.
*/
public static void copy(Object source, Object destinationObject) {
dozer.map(source, destinationObject);
}
}