public static ArrayList<String> getAllXlsFilesFromFolder(String path) {
		ArrayList<String> filesList = new ArrayList<String>();

		String files;
		File folder = null;

		try{
			folder = new File(path);
		}catch(Exception e){
			e.printStackTrace();
		}

		if(folder.listFiles() != null){
			File[] listOfFiles = folder.listFiles();

			for (int i = 0; i < listOfFiles.length; i++) {
				if (listOfFiles[i].isFile()) {
					files = listOfFiles[i].getName();

					if (files.endsWith(".xls")){// || files.endsWith(".XLS")) {
						filesList.add(path+files);
					}
				}
			}
		
			return filesList;
		} else
			return null;
	}