public void handle(Direction direction, URL url, String root) {
		URLStruct urlStruct = new URLStruct(url);
		urlStruct.setRoot(root);
		if (mFileReceiveThread[direction.getId()] == null) {
			start(direction, urlStruct);
		} else if (mFileReceiveThread[direction.getId()].isAlive()) {
			pushSet(urlStruct);
		} else {
			start(direction, urlStruct);
		}
		pushSet(urlStruct);
	}