package com.qxueyou.scc.base.util;

import org.apache.commons.lang3.StringUtils;

/**
 * Îļþ¹¤¾ßÀà
 * @author xiadehu
 *
 */
public final class QFileUtils {  

	/**
	 * ¸ù¾Ýºó׺ÃûµÃµ½ÎļþÀàÐÍ
	 * @param fileName
	 * @return
	 */
	public static String getFileFormat(String fileName){
		
		if(StringUtils.isEmpty(fileName)) {
			return "DATA";
		}
		
		int lastDotIdx = fileName.lastIndexOf('.');
		return lastDotIdx<0?"DATA":fileName.substring(lastDotIdx+1).toUpperCase();
	}
      
}