简单封装Dozer, 实现深度转换Bean到Bean的Mapper.实现:

import java.util.Collection;

import java.util.List;

import org.dozer.DozerBeanMapper;

import com.google.common.collect.Lists;

/**

* 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.

*

*/

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> T map(Object source, Class<T> destinationClass) {
return dozer.map(source, destinationClass);
}

/**
* 基于Dozer转换Collection中对象的类型.
*/
@SuppressWarnings("rawtypes")
public static <T> List<T> mapList(Collection sourceList, Class<T> destinationClass) {
List<T> 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);
}

}