Java tutorial
/* * Copyright 2014 Alibaba Group Holding Ltd. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ // Created on 2014721 // $Id$ package net.shopxx.util; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.commons.lang.RandomStringUtils; import com.alibaba.fastjson.JSONObject; /** * Token * * @author L.cm email: 596392912@qq.com site: http://www.dreamlu.net * @date Jun 24, 2013 9:58:25 PM */ public class TokenUtil { private static final String STR_S = "abcdefghijklmnopqrstuvwxyz0123456789"; /** * ? qq sdk * * @param @param string * @param @return * @return String * @throws */ public static String getAccessToken(String string) { String accessToken = ""; try { JSONObject json = JSONObject.parseObject(string); if (null != json) { accessToken = json.getString("access_token"); } } catch (Exception e) { Matcher m = Pattern.compile("^access_token=(\\w+)&expires_in=(\\w+)&refresh_token=(\\w+)$") .matcher(string); if (m.find()) { accessToken = m.group(1); } else { Matcher m2 = Pattern.compile("^access_token=(\\w+)&expires_in=(\\w+)$").matcher(string); if (m2.find()) { accessToken = m2.group(1); } } } return accessToken; } /** * ?openid * * @param @param string * @param @return * @return String * @throws */ public static String getOpenId(String string) { String openid = null; Matcher m = Pattern.compile("\"openid\"\\s*:\\s*\"(\\w+)\"").matcher(string); if (m.find()) openid = m.group(1); return openid; } /** * sina uidqq * * @Title: getUid * @param @param string * @param @return * @return String * @throws */ public static String getUid(String string) { JSONObject json = JSONObject.parseObject(string); return json.getString("uid"); } /** * ?? * * @return */ public static String randomState() { return RandomStringUtils.random(24, STR_S); } }