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【Java】类属性复制工具类

作者:晚风工作室 / 发布于2013/2/1/ 736

import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.beanutils.BeanUtils;

/**
 * 类属性复制帮助类
 * 
 * @author 晚风工作室 www.soservers.com
 * @version 20111220
 * 
 * {@code	现使用Common BeanUtils组件实现
 * 		需要
 * 			commons-beanutils-1.7.0.jar
 * 			commons-logging-1.0.4.jar
 * 		支持
 * }
 *
 */
public class CopyBeanPluginsUtil {

	/**
	 * 属性复制
	 * @param <T>
	 * @param toBeanClass	复制到对象的class
	 * @param fromBean		属性来源对象
	 * @return				复制出的对象
	 * @throws InstantiationException
	 * @throws IllegalAccessException
	 * @throws InvocationTargetException
	 */
	public static <T> T copyBean(Class<T> toBeanClass, Object fromBean) throws InstantiationException, IllegalAccessException, InvocationTargetException{
		
		T toBean = toBeanClass.newInstance();
		
		BeanUtils.copyProperties(toBean, fromBean);
		
		return toBean;
	}
	

	/**
	 * list集合bean属性复制
	 * @param <T>
	 * @param toBeanClass
	 * @param fromBeanList
	 * @return
	 * @throws InstantiationException
	 * @throws IllegalAccessException
	 * @throws InvocationTargetException
	 */
	@SuppressWarnings("unchecked")
	public static <T> List<T> copyList(Class<T> toBeanClass, List fromBeanList) throws InstantiationException, IllegalAccessException, InvocationTargetException{
		
		List<T> _l = new ArrayList<T>();
		for(Object fromBean : fromBeanList){
			_l.add(CopyBeanPluginsUtil.copyBean(toBeanClass, fromBean));
		}
		
		
		return _l;
	}
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub

	}

}

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