public void getUserLabel() {
		String id;
		try {
			id = request.getParameter("user_id").trim();
		} catch (Exception e) {
			jsonObject.put("RC", RC.PARAMETER_ERROR);
			return;
		}

		UserLabel userLabel;
		try {
			userLabel = new UserLabelDao().getById(id);
		} catch (Exception e) {
			jsonObject.put("RC", RC.SQL_EXCEPTION);
			return;
		}
		if (userLabel == null) {
			jsonObject.put("OC", OC.UNKNOWN_USER_ID);
			return;
		}
		jsonObject.put("OC", OC.SUCCESS);
		jsonObject.put("user_id", userLabel.getUser_id());
		if (userLabel.getUser_label1() != null) {
			jsonObject.put("user_label1", userLabel.getUser_label1());
			jsonObject.put("user_label_value1", userLabel.getUser_label_value1());
		}
		if (userLabel.getUser_label2() != null) {
			jsonObject.put("user_label2", userLabel.getUser_label2());
			jsonObject.put("user_label_value2", userLabel.getUser_label_value2());
		}
		if (userLabel.getUser_label3() != null) {
			jsonObject.put("user_label3", userLabel.getUser_label3());
			jsonObject.put("user_label_value3", userLabel.getUser_label_value3());
		}
		if (userLabel.getUser_label4() != null) {
			jsonObject.put("user_label4", userLabel.getUser_label4());
			jsonObject.put("user_label_value4", userLabel.getUser_label_value4());
		}
		if (userLabel.getUser_label5() != null) {
			jsonObject.put("user_label5", userLabel.getUser_label5());
			jsonObject.put("user_label_value5", userLabel.getUser_label_value5());
		}
	}