从一个目录下读取txt 文本的资源

//从一个目录下取txt 文件的资源来读取
	private static Set<String> getDirResoureList(String dirpath) throws IOException{
		LOG.debug("START  Get　DIR_path  Resource Info to mysql !path={}",dirpath);
		if (StringUtils.isNotBlank(dirpath)) {
			File dir = new File(dirpath);
			if (dir.exists() && dir.isDirectory() && dir.isAbsolute()) {
				
				File [] files= dir.listFiles(); 
				for (File f : files) {
					String filepath= f.getPath();
					
					LOG.debug("get file info name = {}  path = {}",f.getName(),f.getPath());
					if(f.getName().endsWith(".txt")){
						//取这个文件中的所有资源
						Set<String> links = getResource(filepath);
						
						SavaSQLByLinks(filepath+".sql", links);
					}
				}
				
			}else{
				LOG.debug("dir is not exists ! or dir is hidden ! or not is directory !");
				return null;
			}
			
		}else{
			LOG.debug("path is NULL ;");
			return null;
		}
		return null;
	}