public void copyFileToZip(File src, String dest) throws IOException {
		if (!src.exists()) return;
		createDirectory(dest);
		for (File f : src.listFiles()) {
			String target = dest + f.getName();
			if (f.isDirectory()) copyFileToZip(f, target + "/");
			if (f.isFile()) createFile(target, f);
		}
	}