对象拷贝工具类BeanutilsCopy

mport java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.beanutils.BeanUtils;
import org.apache.log4j.Logger;
import org.dozer.DozerBeanMapper;

import com.google.common.collect.Lists;

public class BeanutilsCopy<T> {
private static Logger log = Logger.getLogger("BeanutilsCopy");

/**
*
*
* apacheCopyProperties(单个对象拷贝)
*
* @Title: apacheCopyProperties
* @param @param dest
* @param @param orig
* @return void
* @throws
*/
public static void apacheCopyProperties(Object dest, Object orig) {
try {
BeanUtils.copyProperties(dest, orig);
} catch (Exception e) {
log.error("apacheCopyProperties 异常：" + e);
}

}

/**
*
* mapList(拷贝集合信息)
* @Title: mapList
* @param @param sourceList
* @param @param destinationClass
* @param @return
* @return List<T>
* @throws
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public static <T> List<T> CopyList(Collection sourceList, Class<T> destinationClass)
{
DozerBeanMapper dozer=new DozerBeanMapper();
List destinationList = Lists.newArrayList();
for (Iterator  i$ = sourceList.iterator(); i$.hasNext(); ) { Object sourceObject = i$.next();
Object destinationObject = dozer.map(sourceObject, destinationClass);
destinationList.add(destinationObject);
}
return destinationList;
}

@SuppressWarnings("unchecked")
public static <T, D> T populateTbyDBySpring(D sourceObj, Class<T> clazz)
{
if (sourceObj == null) {
return null;
}
Object t = null;
try {
t = clazz.newInstance();
} catch (IllegalAccessException e) {
log.error("自动转换失败", e);
} catch (InstantiationException exx) {
log.error("自动转换失败", exx);
}
org.springframework.beans.BeanUtils.copyProperties(sourceObj, t);

return (T) t;

}

@SuppressWarnings({ "rawtypes", "unchecked" })
public static <T, D> List<T> populateTListbyDListBySpring(List<D> sourceObjs, Class<T> clazz)
{
if (sourceObjs == null) {
return null;
}
int len = sourceObjs.size();
List ts = new ArrayList(len);
Object t = null;
for (int i = 0; i < len; i++) {
Object d = sourceObjs.get(i);
t = populateTbyDBySpring(d, clazz);
ts.add(t);
}
return ts;
}

}