/**
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* Copyright © 2015-2020 <a href="http://www.jeeplus.org/">JeePlus</a> All rights reserved.
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*/
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package com.jeeplus.common.mapper;
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import java.util.Collection;
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import java.util.List;
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import org.dozer.DozerBeanMapper;
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import com.google.common.collect.Lists;
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/**
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* 简单封装Dozer, 实现深度转换Bean<->Bean的Mapper.实现:
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*
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* 1. 持有Mapper的单例.
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* 2. 返回值类型转换.
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* 3. 批量转换Collection中的所有对象.
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* 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.
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*
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* @author calvin
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* @version 2013-01-15
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*/
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public class BeanMapper {
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/**
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* 持有Dozer单例, 避免重复创建DozerMapper消耗资源.
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*/
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private static DozerBeanMapper dozer = new DozerBeanMapper();
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/**
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* 基于Dozer转换对象的类型.
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*/
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public static <T> T map(Object source, Class<T> destinationClass) {
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return dozer.map(source, destinationClass);
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}
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/**
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* 基于Dozer转换Collection中对象的类型.
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*/
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@SuppressWarnings("rawtypes")
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public static <T> List<T> mapList(Collection sourceList, Class<T> destinationClass) {
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List<T> destinationList = Lists.newArrayList();
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for (Object sourceObject : sourceList) {
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T destinationObject = dozer.map(sourceObject, destinationClass);
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destinationList.add(destinationObject);
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}
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return destinationList;
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}
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/**
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* 基于Dozer将对象A的值拷贝到对象B中.
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*/
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public static void copy(Object source, Object destinationObject) {
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dozer.map(source, destinationObject);
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}
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}
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