package com.yeshi.fanli.util;

import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class InviteCodeFilterUtil {

	// 特殊邀请码
	private static Set<String> spcialInviteCodeSet;

	/**
	 * 是否为特殊的邀请码
	 * 
	 * @param code
	 * @return
	 */
	public static boolean isSpecialCode(String code) {
		if (StringUtil.isNullOrEmpty(code))
			return false;
		if (spcialInviteCodeSet == null) {
			spcialInviteCodeSet = new HashSet<>();
		}

		if (spcialInviteCodeSet.size() == 0) {
			Scanner scanner = new Scanner(
					InviteCodeFilterUtil.class.getClassLoader().getResourceAsStream("invite_code_special.txt"));
			while (scanner.hasNext()) {
				String c = scanner.next();
				if (!StringUtil.isNullOrEmpty(c))
					spcialInviteCodeSet.add(c.trim());
			}
			scanner.close();
		}
		if (spcialInviteCodeSet.contains(code.trim().toUpperCase()))
			return true;
		else
			return false;
	}

}